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SEI Investments--Form 10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

x	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2006

¨	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number 0 - 10200

SEI INVESTMENTS COMPANY

(Exact name of registrant as specified in its charter)


Pennsylvania		23-1707341
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)


1 Freedom Valley Drive, Oaks, Pennsylvania		19456-1100
(Address of principal executive offices)		(Zip Code)


Registrant’s telephone number, including area code		610-676-1000

Securities registered pursuant to Section 12(b) of the Act:


Title of each class		Name of each exchange on which registered
None

Securities registered pursuant to Section 12(g) of the Act:

Common Stock, par value $.01 per share

(Title of class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes x No ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ¨ No x

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ¨

(Cover page 1 of 2 pages)

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer (See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act). (Check one):

Large accelerated filer x Accelerated filer ¨ Non-accelerated filer ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ¨ No x

The aggregate market value of the voting common stock held by non-affiliates of the registrant was approximately $3.1 billion based on the closing price of $48.88 as reported by NASDAQ on June 30, 2006 (the last business day of the registrant’s most recently completed second fiscal quarter). For purposes of making this calculation only, the registrant has defined affiliates as including all executive officers, directors and beneficial owners of more than ten percent of the common stock of the registrant.

APPLICABLE ONLY TO REGISTRANTS INVOLVED IN BANKRUPTCY PROCEEDINGS

DURING THE PRECEDING FIVE YEARS:

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Section 12, 13, or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court. Yes ¨ No ¨

(APPLICABLE ONLY TO CORPORATE REGISTRANTS)

Number of shares outstanding of each of the registrant’s classes of common stock, as of the close of business on January 31, 2007:


Common Stock, $.01 par value		99,047,805

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the following documents are incorporated by reference herein:

The definitive proxy statement relating to the registrant’s 2007 Annual Meeting of Shareholders, to be filed within 120 days after the end of the fiscal year covered by this annual report, is incorporated by reference in Part III hereof.

(Cover page 2 of 2 pages)

SEI Investments Company

Fiscal Year Ended December 31, 2006

TABLE OF CONTENTS


		Page
	PART I

Item 1.	Business.	2
Item 1A.	Risk Factors.	11
Item 1B.	Unresolved Staff Comments.	13
Item 2.	Properties.	13
Item 3.	Legal Proceedings.	13
Item 4.	Submission of Matters to a Vote of Security Holders.	14

	PART II

Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.	15
Item 6.	Selected Financial Data.	16
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operation.	17
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk.	32
Item 8.	Financial Statements and Supplementary Data.	33
Item 9.	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.	70
Item 9A.	Controls and Procedures.	70
Item 9B.	Other Information.	70

	PART III

Item 10.	Directors, Executive Officers and Corporate Governance.	71
Item 11.	Executive Compensation.	72
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.	72
Item 13.	Certain Relationships and Related Transactions, and Director Independence.	74
Item 14.	Principal Accounting Fees and Services.	74

	PART IV

Item 15.	Exhibits, Financial Statement Schedules.	75

Page 1 of 89

PART I

Forward Looking Statements

This Annual Report on Form 10-K contains certain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements involve certain known and unknown risks, uncertainties and other factors, many of which are beyond our control, and are not limited to those discussed in Item 1A, “Risk Factors.” All statements that do not relate to historical or current facts are forward-looking statements. These statements may include words such as “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance. In particular, these include statements relating to present or anticipated products and markets, future revenues, capital expenditures, expansion plans, future financing and liquidity, personnel, and other statements regarding matters that are not historical facts or statements of current condition.

Any or all forward-looking statements contained within this Annual Report on Form 10-K may turn out to be wrong. They can be affected by inaccurate assumptions we might make, or by known or unknown risks and uncertainties. Many factors mentioned in the discussion below will be important in determining future results. Consequently, we cannot guarantee any forward-looking statements. Actual future results may vary materially.

We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. You are advised, however, to consult any further disclosures we make on related subjects in our filings with the U.S. Securities and Exchange Commission (SEC).

Item 1.

Business.

Overview

SEI (NASDAQ:SEIC) is a leading global provider of asset management services, investment processing and investment operations solutions. The company’s innovative outsourcing solutions help corporations, financial institutions, financial advisors and affluent families create and manage wealth. As of December 31, 2006, through our subsidiaries and partnerships in which we have a significant interest, we administer $366.6 billion in mutual fund and pooled assets, manage $181.5 billion in assets, and operate from more than 20 offices in over a dozen countries.

Most of our products and services are known as wealth management business solutions, and include:

•

Investment processing and investment operations outsourcing solutions for U.S. banks, trust companies, investment managers, and European private banks;

•

Investment management programs to affluent investors, families, retirement plan sponsors and not-for-profit organizations; and

•

Fund processing solutions to U.S. banks, investment management firms and investment companies that sponsor and distribute mutual funds and other U.S. regulated investments. We also offer these solutions to investment managers worldwide that sponsor and distribute alternative investments.

General Development of the Business

For over 35 years, SEI has been a leading provider of wealth management business solutions for the financial services industry.

We began doing business in 1968 by providing computer-based training simulations to train bank loan officers in credit lending practices.

1970’s

We developed an investment accounting system for bank trust departments in 1972, and became a leading provider of investment processing outsourcing services to banks and trust institutions.

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1980’s

SEI became a public company in 1981. We entered the asset management business in 1982 and launched a series of money market mutual funds for our bank clients. Later in the decade, we expanded our services to bank clients by offering mutual fund accounting services, and investment operations outsourcing services.

1990’s

We introduced our “Manager of Managers” investment process, and offered these programs to investment advisors who manage wealth for their high-net-worth clients. We entered the institutional investor market and began offering asset management programs to retirement plan sponsors and institutional investors in selected global markets, including the United States, Canada, Europe, South Africa and East Asia.

2000’s

We developed broader, more strategic solutions for our clients and markets, including a complete life and wealth platform for operating an investment advisory business, a total operational outsourcing solution for investment managers, a fully-integrated pension management system for retirement plan sponsors and a complete life and wealth solution for affluent families.

Strategy

We seek to achieve growth in earnings and shareholder value by strengthening our position as a provider of wealth management business solutions. Business strategies to achieve this objective include:

•

Help corporations manage retirement plans. Under-funded pension plans threaten the financial health of many corporations. We help retirement plan sponsors to evaluate the impact of their pension plans on the financial health of their organizations. We deliver customized asset management solutions that integrate pension decisions and corporate finance needs, enabling plan sponsors to make better decisions about their plans and to manage their pension assets more effectively.

•

Create broader solutions for wealth service firms. Global banks, investment managers and financial advisors demand greater efficiencies in their operations, seek expanded capabilities to manage their businesses, strive for a better view of their clients, and require new products to meet the evolving needs of their markets. We are developing next generation business solutions integrating technology, operating processes, and financial products designed to help these institutions better serve their clients and provide opportunities to improve their business success.

•

Help “baby boomers” manage their life and wealth goals. We are enhancing our solutions to enable our wealth service firm clients to better serve members of the post-World War II “baby boom” generation now approaching retirement. Baby boomers demand a holistic wealth management experience that focuses on their life goals and provides them with an integrated array of financial services. We help these investors identify their goals and offer comprehensive life and wealth advisory services including life planning, investments and other financial services.

•

Expand into global markets. Global markets are large and present significant opportunities for growth. We are intelligently evolving U.S. business models for the global wealth management marketplace, focusing on the needs of institutional investors, private banks, investment advisors and affluent individual investors.

Fundamental Principles

We are guided by these fundamental principles in managing the business and adopting these growth strategies:

•

Achieve organic growth in revenue and earnings. We seek to grow the business by providing additional services to clients, adding new clients, introducing new products, and adapting products for new markets.

•

Forge long-term client relationships. We strive to achieve high levels of customer satisfaction so we may forge close and long lasting client relationships. We believe these intimate relationships enable us to market additional services, and acquire knowledge and insights that fuel the product development process.

•

Invest in product development. We continually enhance our products and services to keep pace with industry developments, regulatory requirements, and the emerging needs of markets and clients. We believe investments in research and development give us a competitive advantage in our markets.

Page 3 of 89

•

Adopt business models which generate recurring revenues and positive cash flows. Recurring revenues generate predictable cash flows, which serve as a source of funds for continuing operations, investments in new products, common stock repurchases, dividend payments, and principal and interest payments on debt.

•

Leverage investments across the business. We design and implement product solutions and business process capabilities to serve the needs of multiple markets. This philosophy facilitates the design of comprehensive solutions while minimizing duplicative research and development efforts. These solutions can often be developed into single operating platforms that can be used by the entire company, potentially offering operating efficiencies that can benefit corporate profitability.

•

Create value for shareholders. The objective of achieving long-term sustainable growth in revenues and earnings strongly influences the management of the business. This philosophy guides corporate management practices, strategic planning activities, and employee compensation practices.

Products and Services

Investment Processing

We offer investment processing services to U.S. banks, trust companies, investment managers, and private banks in the United Kingdom and Continental Europe. Investment processing services are an integral component of our wealth management business solutions offered to banks and investment advisors. Our proprietary software system, TRUST 3000^®, supports our U.S. investment processing business by serving as the system of record for trust institutions. TRUST 3000^® is a complete trust accounting and investment system that provides straight-through-business processing for investment transactions for multiple types of investment accounts, including personal trust, corporate trust, institutional trust, and non-trust investment accounts.

Through the integrated investment functionality of TRUST 3000^®, we support the full range of activities for wealth management including:

•

Investment management – portfolio analysis, investment decision support, and performance measurement reporting;

•

Trade execution services – straight-through trade order management and electronic trading services for equities and mutual funds;

•

Account services – cash processing and investor reporting for all accounts. Our software supports many specialized activities associated with personal trust management including principal and income segregation, uninvested cash and overdraft management, and beneficiary payment processing;

•

Investment processing – securities processing and investment accounting for all types of domestic and global securities; and

•

Compliance reporting – audit, compliance, and regulatory reporting.

This core accounting application combines comprehensive trust and securities accounting with integrated and automated front, middle, and back-office solutions. Clients can manage their front-office operations through the use of our systems to maintain and service their clients. The middle-office performs the administrative activities of the front-office and provides the connection between the front-office and the investment operations area, which is the back-office.

Revenues from investment processing services are earned as monthly fees from contracted services including software licenses, information processing, and investment operations. Revenues are primarily earned based upon the number of trust accounts being serviced. Revenues may also be earned based upon project-oriented contractual agreements related to client implementations. These revenues are recognized in Information processing and software servicing fees on the accompanying Consolidated Statements of Operations, except for fees earned associated with trade execution services.

Investment Management Programs

We offer investment management programs to affluent investors and families, and institutional investors. These programs are built around investment strategies which are tailored to meet the needs of different investors, taking into consideration their objectives and risk tolerances. Investment management programs consist of mutual funds and separate account programs. Mutual funds cover multiple asset classes including money market, equity, fixed-income and alternative investment portfolios, primarily in the form of registered investment companies. Mutual funds are organized into trusts which are governed by various boards of trustees. We serve as the administrator, transfer agent, investment advisor and distributor for many of these funds. The investment advisory and distribution contracts are subject to annual renewal by the board of trustees of the funds. These contracts provide for the payment of fees to us based on a percentage of the average daily net assets of each fund.

Page 4 of 89

Focused on investors’ objectives, the investment process is based on five principles: asset allocation, portfolio structure, tax management, multiple specialist managers, and continuous portfolio management. The investment management programs allow access to some of the best style-specific money managers who are normally not available to individual investors. This innovative approach, called Manager-of-Managers, is designed to promote adherence to our disciplined investment principles in that each manager’s performance is tracked and scrutinized. The potential benefit of this method is improved performance with reduced volatility, because it eliminates the task of attempting to predict which style of investing will be in favor at any particular time. We maintain the asset class exposure within the specifically defined boundaries of our client’s asset allocation plan by incorporating a formal rebalancing program in the asset management process.

As of December 31, 2006, we managed $116.5 billion in total assets, net of assets managed by LSV Asset Management (LSV), including $89.5 billion invested in our fixed-income and equity funds or through separately managed account programs, $13.5 billion invested in our liquidity funds and $13.5 billion invested in our collective trust fund programs.

Revenues from investment management programs are primarily earned based upon a contractual percentage of net assets under management. These revenues are recognized in Asset management, administration and distribution fees on the accompanying Consolidated Statements of Operations.

Fund Processing

We offer fund administration and distribution services to U.S. banks, investment management firms and investment companies that sponsor and distribute mutual funds and other U.S. regulated investments. We also offer these services to investment managers worldwide that sponsor and distribute alternative investments, including hedge funds, fund of funds, private equity funds, and other investment vehicles.

Recordkeeping and administrative activities associated with the operations of pooled investment funds include:

•

Fund accounting – investment tracking, transaction processing, fund valuation, investment and tax reporting, and regulatory compliance;

•

Fund administration – financial statement preparation, regulatory filings, coordination of audits, legal and tax support services;

•

Trustee and custodial services – trustee and custody services for U.S. regulated investments, and off-shore investments;

•

Investor services – shareholder services for fund investors; and

•

Distribution support services – business, marketing and product development planning.

We also offer operational outsourcing solutions for the administration and management of separately managed account programs as well as total operational outsourcing solutions for investment management firms.

As of December 31, 2006, we administered $185.1 billion in non-SEI mutual funds and other pooled assets.

Revenues from fund processing are primarily earned based upon a contractual percentage of net assets under administration. These revenues are recognized in Asset management, administration and distribution fees on the accompanying Consolidated Statements of Operations.

Business Segments

Business segments are generally organized around our target markets. Financial information about each business segment is contained in Note 12 to the Consolidated Financial Statements. Our business segments are:

Private Banking and Trust – provides investment processing and investment management programs to banks and other trust institutions located in the United States and Canada;

Investment Advisors – provides investment management programs to affluent investors through a network of independent registered investment advisors, financial planners, and other investment professionals in the United States;

Enterprises – provides investment management programs and administrative outsourcing solutions for retirement plan sponsors and not-for-profit organizations globally;

Page 5 of 89

Money Managers – provides fund investment processing and institutional and separate account operational outsourcing solutions to banks, investment managers and mutual fund companies located in the United States and to investment managers worldwide of alternative asset classes such as hedge funds, fund of funds, and private equity funds;

Investments in New Businesses – provides investment management programs to investment advisors and banks located outside the United States and investment processing solutions to banks and trust institutions in the United Kingdom and Continental Europe. This segment also includes our investment management programs offered to affluent families residing in the United States both directly and through a network of independent advisors; and

LSV Asset Management – is a registered investment advisor that provides investment advisory services to institutions, including pension plans and investment companies.

The percentage of consolidated revenues generated by each business segment for the last three years was:


	2006		2005		2004
Private Banking and Trust	24	%	37	%	42	%
Investment Advisors	19	%	27	%	26	%
Enterprises	14	%	11	%	10	%
Money Managers	10	%	11	%	11	%
Investments in New Businesses	8	%	14	%	11	%
LSV (1)	25	%	—		—

	100	%	100	%	100	%

(1)	Beginning in 2006, we consolidated the accounts of LSV into our financial statements. See Note 2 to the Consolidated Financial Statements.

Private Banking and Trust

The Private Banking and Trust segment offers investment processing services and investment management programs to banks and trust institutions in the United States and Canada. We believe our investment processing services help banks and trust institutions reduce risk, improve quality, and gain operational efficiency to devote more of their resources on servicing their clients.

We offer investment processing solutions through two primary business models: an application services provider (ASP) model and a business services provider (BSP) model. In both models, we own, maintain and operate the software applications and information processing facilities.

•

Application Services Provider

Banks using our ASP model outsource investment processing technology software and computer processing but retain responsibility for investment operations, client administration, and investment management. Clients operate our ASP Solution remotely while fully supported by our data center using dedicated telecommunications networks. The ASP model includes a dedicated relationship team that supports our client’s business. We assist our clients with strategically reevaluating their systems and process needs as their businesses change.

•

Business Services Provider

The BSP model is an extension of our ASP solution. It was designed for Private Banks, and other trust organizations that prefer to outsource their entire investment operations. With the BSP solution, we assume the entire back-office processing function. The BSP model includes: investment processing; account access and reporting; audit, compliance and regulatory services; custody and safekeeping of assets; income collections; securities settlement; and other related trust activities.

New clients undergo a system implementation process which can take a few months for smaller institutions and up to 15 months or more for larger institutions. During the implementation process, we convert our client’s investment and financial data to our systems and train them on optimizing the use of our systems. Our goal is to help reengineer and transform their business operations. We earn a one-time implementation fee for the data conversion services.

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Client contracts have initial terms that are generally three to seven years in length. At December 31, 2006, we had significant relationships with approximately 140 banks and trust institutions, including trust departments of 8 of the 20 largest United States banks. We also had single-product relationships with approximately 200 additional banks and trust institutions.

Our principal competitors in the investment processing business for this segment include SunGard Data Systems Inc. and Metavante Corporation, a division of Marshal and Isley. We also consider ‘in-house’ solutions to be a form of competition. Many large financial institutions develop, operate and maintain proprietary investment and trust accounting systems.

Investment Advisors

The Investment Advisors segment offers wealth management solutions to registered investment advisors, many of whom are affiliated with or are registered as independent broker-dealers, financial planners, and life insurance agents located throughout the United States. These wealth management solutions include SEI asset management programs and “back-office” investment processing outsourcing services. We also help advisors manage and grow their businesses by giving them access to our marketing support programs, business assessment assistance and recommended management practices. Our solutions aim to help investment advisors reduce risk, improve quality, and gain operational efficiency to devote more of their resources to servicing their clients.

Advisors are responsible for the investor relationship which includes creating financial plans, implementing investment strategies, and educating and servicing their customers. Advisors may customize portfolios to include separate account managers as well as SEI mutual funds. Our wealth and investment programs are designed to be attractive to affluent or high-net-worth individual investors with over $500 thousand of investable assets and small to medium-sized institutional plans.

We continually enhance our investment offering to meet the emerging investment needs of the baby boomer. Our goal-based investment program was first introduced in 2004. This program, totaling over $3.9 billion in assets at the end of 2006, is designed to assist higher-net-worth investors with a system for portfolio construction to support customers with multiple goals across diverse risk and time parameters. In 2006, we also expanded our Managed Volatility Portfolios to include a global strategy and we introduced phase one of our Distribution Focused strategies. Our Managed Volatility Portfolios seek to capture some of the return potential of equities without all of the associated risk. For many, they are a good alternative to a portfolio heavily weighted towards fixed income. As of December 31, 2006 these portfolios had approximately $500.0 million in assets. Our Distribution Focused strategies are income oriented portfolios targeted at the retired baby boomer that needs regular cash distributions from their investments. We expect to complete the development and rollout of these strategies in 2007.

While we continue to enhance our investment offering for the end investor, we have also enhanced our operating platform for advisors. In 2006, we upgraded our BusinessBuilder desktop tool for advisors, improved customer statements, and made significant progress in the build out of a new proposal generation tool which will be rolled out in early 2007.

Although we have agreements with over 6,000 financial advisors, our business is based primarily on approximately 1,300 clients who, at December 31, 2006, had at least $5.0 million each in customer assets invested in our mutual funds and separately managed accounts. Revenues are earned largely as a percentage of average assets under management.

The principal competition for our investment management products is from other money managers and mutual fund companies. In the advisor distributor channel, the principal competitors include AssetMark, Brinker, EnvestNet, Fidelity Investments, Lockwood Advisors, Inc., a subsidiary of Bank of New York, and other broker-dealers.

Enterprises

The Enterprises segment offers investment management programs and administrative outsourcing solutions for retirement plan sponsors and not-for-profit organizations globally. Clients can outsource their entire investment management needs and the administration for defined benefit, defined contribution, funded welfare and non-qualified deferred compensation plans as well as the administration of endowment and foundation asset pools.

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The outsourcing program provides a strategic platform integrating the Manager-of-Managers investment process, plan administration services, and consulting services. Plan administration services include trustee, custodial, benefit payment services, record-keeping services, and donor administration. Consulting services include actuarial services, asset liability modeling, and the customization of an asset allocation plan that is designed to meet long-term objectives.

By outsourcing retirement plan services, we believe clients benefit from an investment approach which is built around an investment plan designed to meet the client’s long-term needs, and an investment process that removes the responsibility of manager selection, is designed to reduce business risk, provide ongoing due diligence, and increase operational efficiency.

Fees are primarily earned as a percentage of average assets under management. At December 31, 2006, we had relationships with approximately 470 institutional investor clients. The principal competitor for this segment is Frank Russell Company, a subsidiary of Northwestern Mutual.

Money Managers

The Money Managers segment provides investment managers with a suite of back and middle office investment processing services associated with operating an investment fund or account. We offer U.S.-based managers support for traditional investment products such as mutual funds, exchange-traded funds, institutional and separate accounts, and provide outsourcing services including accounting, administration, reconciliation, investor servicing and client reporting. In addition, we provide many of the same services to investment managers located worldwide who manage alternative investments such as hedge funds, funds of funds, and private equity funds. We believe our fund and investment processing outsourcing solutions help investment managers reduce risk, improve accuracy and efficiency, and receive tools to better manage their business.

Contracts for our fund and investment processing services generally have terms ranging from one to five years. Fees are primarily earned as a percentage of average assets under management and administration. At December 31, 2006, we had relationships with approximately 161 investment management companies and alternative investment managers. Our principal competitors for this segment include PFPC Worldwide Inc., a member of the PNC Financial Services Group, Inc., Citco, and State Street Bank and Trust Company.

Investments in New Businesses

The Investments in New Businesses segment represents other business ventures intended to expand our investment management programs and services to private banking and distribution partners and high-net-worth investors.

We offer investment management programs to banks and distribution partners located outside the United States and investment processing solutions to private banks and trust institutions in the United Kingdom and Continental Europe. Leveraging the capabilities of our Global Wealth Platform, we are expanding our investment processing solutions offered to global private banks.

We are also expanding our investment solutions to include affluent families who reside in the United States and the United Kingdom. The family wealth management solution offers flexible family-office type services through a highly personalized solution while utilizing the Manager-of-Managers investment process.

We have made, and will continue to make, significant investments in technology, marketing and infrastructure to develop and support our new business initiatives.

At December 31, 2006, there were approximately 150 clients for the global private banking and distribution business and approximately 190 for the family wealth solution. The principal competitor for the global business is Russell Investment Group. The principal competitors for the family wealth solution are diversified financial services providers focused on the high-net-worth and ultra-high-net-worth market.

LSV Asset Management

LSV is a registered investment advisor that provides investment advisory services to institutions, including pension plans and investment companies. LSV is a value-oriented, contrarian money manager offering a deep-value investment alternative utilizing a proprietary equity investment model to identify securities generally considered to be out of favor by the market. LSV is currently the specialist advisor to a number of our equity mutual funds. In addition, LSV is a portfolio manager to a portion of our global investment products. At December 31, 2006, LSV managed approximately $70.6 billion in total assets, of which $2.4 billion were assets in our mutual funds.

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Business Segment Name Changes and Restructuring

Three business segments will change names on January 1, 2007. The Private Banking & Trust business segment will be renamed as Private Banks, the Enterprises business segment will be renamed as Institutional Investors, and the Money Managers business segment will be renamed as Investment Managers.

The structure of two of our business segments will change on January 1, 2007. The investment management programs and services offered to global private banks of the Investments in New Businesses segment will move to the Private Banks segment. Originally, business segments were organized around our operations in the United States, and our non-U.S. operations were included in the Investments in New Businesses segment. As our non-U.S. businesses mature, we will consolidate the U.S. and non-U.S. activity into one globally-managed business segment.

As a result of these changes, the Company’s business segments in 2007 will be:

Private Banks – provides investment processing and investment management programs to banks and trust institutions worldwide;

Investment Advisors – provides investment management programs to affluent investors through a network of independent registered investment advisors, financial planners and other investment professionals in the United States;

Institutional Investors – provides investment management programs and administrative outsourcing solutions to retirement plan sponsors and not-for-profit organizations worldwide;

Investment Managers – provides fund investment processing and institutional and separate account operations outsourcing solutions to banks, investment managers and mutual fund companies located in the United States and to investment managers worldwide of alternative asset classes such as hedge funds, fund of funds, and private equity funds;

Investments in New Businesses – provides investment management programs to affluent families residing in the United States and Europe both directly and through the SEI Wealth Network^®; and

LSV Asset Management – is a registered investment advisor that provides investment advisory services to institutions, including pension plans and investment companies.

In 2007, prior year amounts will be reclassified as required to conform to the restructured business segments.

Research and Development

We are devoting significant resources to research and development, including expenditures for new technology platforms, enhancements to existing technology platforms, and new investment products and services. We spent approximately $139.1 million in 2006, $126.7 million in 2005, and $95.0 million in 2004, of which we capitalized approximately $73.3 million in 2006, $67.6 million in 2005, and $37.0 million in 2004 relating to the development of new technology platforms. Total research and development expenditures as a percentage of revenues were 15.7 percent in 2006, 16.4 percent in 2005, and 13.7 percent in 2004. The percentage in 2006 excludes the revenues of LSV, which was consolidated into our financial statements beginning in January 2006.

System requirements to satisfy the needs of the financial services industry are complex, substantial and continually evolving for a number of reasons, including, increased trading volume, introduction of new investment alternatives, changes in technology, changes in laws and regulations, and increased competition. We believe service to existing and potential clients is enhanced by substantial investments to improve current software products and to develop new products and services for the financial services industry. Using a combination of SEI professionals and partner firms to accomplish the design, development, and enhancement of our software products, we will continue to emphasize the importance of research and development to enhance our competitive position in the industry.

A significant portion of our research and development spending is related to building our Global Wealth Platform. We anticipate this platform will be used by all of our business segments except LSV to manage all or most of their client processes. The platform consists of various components, each offering different capabilities and provides straight-through business processing that integrates most front, middle and back-office operations. The front-end components will be used by our personnel to manage all middle-office operations and by clients to manage their client administration and portfolio management processes. The back-office components will streamline all investment related activities, eliminate many manual processes, and perform trade order execution and securities settlement activities.

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We anticipate the Global Wealth Platform will enable us to enter the European large bank market. We believe the platform will improve our competitive position in the U.S. market, facilitate the transition of the U.S. bank market from ASP to BSP services and enhance the client experience for our advisor clients. We plan to implement the new platform for a global private bank in 2007.

Marketing and Sales

Our business solutions are directly marketed to potential clients in our target markets. We employ approximately 90 sales representatives who operate from offices located throughout the United States, Canada, western Europe, South Africa, Asia and other locations.

Customers

In 2006, one client accounted for approximately 11 percent of the revenues of the Private Banking and Trust segment and another client accounted for approximately 25 percent of the revenues of the Investments in New Businesses segment.

Personnel

At January 31, 2007, we had approximately 2,230 full-time and 70 part-time employees. None of our employees is unionized. Management considers employee relations to be generally good.

Regulatory Considerations

Our principal wholly-owned subsidiaries are SEI Investments Distribution Co., or SIDCO, SEI Investments Management Corporation, or SIMC, and SEI Private Trust Company, or SPTC. SIDCO is a broker-dealer registered with the SEC under the Securities and Exchange Act of 1934 and is a member of the National Association of Securities Dealers, Inc. SIMC is an investment advisor registered with the SEC under the Investment Advisers Act of 1940. SPTC is a limited purpose federal thrift chartered and regulated by the United States Office of Thrift Supervision. In addition, various SEI subsidiaries are subject to the jurisdiction of regulatory authorities in Canada, the United Kingdom, the Republic of Ireland and other foreign countries.

SIDCO and SIMC are subject to various federal and state laws and regulations that grant supervisory agencies, including the SEC, broad administrative powers. In the event of a failure to comply with these laws and regulations, the possible sanctions that may be imposed include the suspension of individual employees, limitations on the permissibility of SIDCO, SIMC, SEI, and our other subsidiaries to engage in business for specified periods of time, the revocation of applicable registration as a broker-dealer or investment advisor, as the case may be, censures, and fines. SPTC and SEI Trust Company, a state chartered trust company, are subject to laws and regulations imposed by federal and state banking authorities. In the event of a failure to comply with these laws and regulations, restrictions, including revocation of applicable banking charter, may be placed on the business of these companies. Additionally, the securities and banking laws applicable to us and our subsidiaries provide for certain private rights of action that could give rise to civil litigation. Any litigation could have significant financial and non-financial consequences including monetary judgments and the requirement to take action or limit activities that could ultimately affect our business.

Compliance with existing and future regulations and responding to and complying with recent regulatory activity affecting broker-dealers, investment companies and their service providers could have a significant impact on us. We have responded and are currently responding to various regulatory examinations, inquiries and requests. As a result of these examinations, inquiries and requests, we review our compliance procedures and business operations and make changes as we deem necessary. These activities resulted in an increased level of corporate overhead costs. One of these regulatory requests and inquiries relate to the payment by certain of our subsidiaries of expenses related to the marketing and distribution of shares of certain mutual fund clients of our fund administration and distribution business. A similar inquiry recently resulted in an SEC order sanctioning one of our mutual fund administrator competitors. Given the fact-specific nature of the practices relating to the marketing and distribution of fund shares, we cannot infer from the competitor’s order involving the competitor’s practices what the ultimate resolution of this SEC inquiry into the Company’s practices will be.

We offer investment and banking products that also are subject to regulation by the federal and state securities and banking authorities, as well as non-United States regulatory authorities, where applicable. Existing or future regulations that affect these products could lead to a reduction in sales of these products. Changes in the regulation of commission recapture or soft dollar payment arrangements could affect sales of some services, primarily our brokerage services.

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Our bank clients are subject to supervision by federal and state banking authorities concerning the manner in which such clients purchase and receive our products and services. Our plan sponsor clients are subject to supervision by the Department of Labor and compliance with employee benefit regulations. Investment advisor and broker-dealer clients are regulated by the SEC and state securities authorities. Existing or future regulations applicable to our clients may affect our clients’ purchase of our products and services.

In addition, see the discussion of governmental regulations in Item 1A “Risk Factors” for a description of the risks that proposed regulatory changes may present for our business.

Available Information

We maintain a website at www.seic.com and make available free of charge through the Investor Information section of this website our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and all amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC. We include our website in this Annual Report on Form 10-K only as an inactive textual reference and do not intend it to be an active link to our website. The material on our website is not part of this Annual Report on Form 10-K.

Item 1A.

Risk Factors.

We believe that the risks and uncertainties described below are those that impose the greatest threat to the sustainability of our business. However, there are other risks and uncertainties that exist that may be unknown to us or, in the present opinion of our management, do not currently pose a material risk of harm to us. The risk and uncertainties facing our business, including those described below, could materially adversely affect our business, results of operations, financial condition and liquidity.

Our revenues and earnings are affected by changes in capital markets. A significant portion of our revenues are earned based on the value of assets invested in investment products that we manage or administer. Significant fluctuations in securities prices may materially affect the value of these assets and may also influence an investor’s decision to invest in and maintain an investment in a mutual fund or other investment product. As a result, our revenues and earnings derived from assets under management and administration could be adversely affected.

We are exposed to product development risk. We continually strive to increase revenues and meet our customers’ needs by introducing new products and services. As a result, we are subject to product development risk, which may result in loss if we are unable to develop and deliver fully functional products to our target markets that address our clients’ needs and that are developed on a timely basis and reflect an attractive value proposition. Our spending related to developing new products is for the purpose of enhancing our competitive position in the industry. A significant portion of this spending has been capitalized. In the event that we fail to develop products or services at an acceptable cost or on a timely basis or if we fail to deliver functional products and services which are of sound, economic value to our clients and our target markets, or an inability to support the product in a cost-effective manner, we could suffer significant financial loss.

We are dependent upon third-party service providers in our operations. We utilize numerous third-party service providers in our operations, in the development of new products, and in the maintenance of our proprietary systems. A failure by a third-party service provider could expose us to an inability to provide contractual services to our clients in a timely basis. Additionally, if a third-party service provider is unable to provide these services, we may incur significant costs to either internalize some of these services or find a suitable alternative.

Poor fund performance may affect our revenues and earnings. Our ability to maintain our existing clients and attract new clients may be negatively affected if the performance of our mutual funds and other investment products, relative to market conditions and other comparable competitive investment products, is lower. Investors may decide to place their investable funds elsewhere which would reduce the amount of assets we manage resulting in a decrease in our revenues.

Consolidation within our target markets may affect our business. Merger and acquisition activity between banks and other financial institutions could reduce the number of existing and prospective clients. Consolidation activities may also cause larger institutions to internalize some or all of our services. These factors may negatively impact our ability to generate future growth in revenues and earnings.

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The Company and our clients are subject to extensive governmental regulation. Our various business activities are conducted through entities which may be registered with the Securities and Exchange Commission (SEC) as an investment adviser, a broker-dealer, a transfer agent, an investment company or with the United States Office of Thrift Supervision or state banking authorities as a trust company. Our broker-dealer is also a member of the National Association of Securities Dealers and is subject to its rules and oversight. In addition, various subsidiaries of the Company are registered with, and subject to the oversight of, regulatory authorities primarily in the United Kingdom and the Republic of Ireland. Many of our clients are subject to substantial regulation by federal and state banking, securities or insurance authorities or the Department of Labor. Compliance with existing and future regulations and responding to and complying with recent regulatory activity affecting broker-dealers, investment companies and their service providers could have a significant impact on us. We have responded and are currently responding to various regulatory examinations, inquiries and requests. As a result of these examinations, inquiries and requests, we review our compliance procedures and business operations and make changes as we deem necessary. These activities resulted in an increased level of corporate overhead costs. One of these regulatory requests and inquiries relate to the payment by certain of our subsidiaries of expenses related to the marketing and distribution of shares of certain mutual fund clients of our fund administration and distribution business. A similar inquiry recently resulted in an SEC order sanctioning one of our mutual fund administrator competitors. Given the fact-specific nature of the practices relating to the marketing and distribution of fund shares, we cannot infer from the competitor’s order involving the competitor’s practices what the ultimate resolution of this SEC inquiry into the Company’s practices will be.

We offer investment and banking products that also are subject to regulation by the federal and state securities and banking authorities, as well as non-United States regulatory authorities, where applicable. Existing or future regulations that affect these products could lead to a reduction in sales of these products. Directed brokerage payment arrangements offered by us are also subject to the SEC and other federal regulatory authorities. Changes in the regulation of directed brokerage or soft dollar payment arrangements or strategic decisions of our clients regarding these arrangements could affect sales of some services, primarily our brokerage services.

We are exposed to systems and technology risks. Through our proprietary systems, we maintain and process data for our clients that is critical to their business operations. An unanticipated interruption of service may have significant ramifications, such as lost data, damaged software codes, or inaccurate processing of transactions. As a result, the costs necessary to rectify these problems may be substantial.

We are exposed to data security risks. A failure to safeguard the integrity and confidentiality of client data from the infiltration by an unauthorized user that is either stored on or transmitted between our proprietary systems or to other third party service provider systems may lead to modifications or theft of critical and sensitive data pertaining to our clients. The costs incurred to correct client data and prevent further unauthorized access could be extensive.

We are dependent upon third party approvals. Many of the investment advisors through which we distribute our investment offerings are affiliated with independent broker-dealers or other networks, which have regulatory responsibility for the advisor’s practice. As part of the regulatory oversight, these broker-dealers or networks must approve the use of our investment products by affiliated advisors within their networks. Failure to receive such approval, or the withdrawal of such approval, could adversely affect the marketing of our investment products.

We are exposed to operational risks. Operational risk generally refers to the risk of loss resulting from our operations, including, but not limited to, improper or unauthorized execution and processing of transactions, deficiencies in our operating systems, business disruptions and inadequacies or breaches in our internal control processes. We operate different businesses in diverse markets and are reliant on the ability of our employees and systems to process large volumes of transactions often within short time frames. In the event of a breakdown or improper operation of systems, human error or improper action by employees, we could suffer financial loss, regulatory sanctions or damage to our reputation. In order to mitigate and control operational risk, we continue to enhance policies and procedures that are designed to identify and manage operational risk.

Changes in, or interpretation of, accounting principles could affect our revenues and earnings. We prepare our consolidated financial statements in accordance with generally accepted accounting principles. A change in these principles can have a significant effect on our reported results and may even retroactively affect previously reported results. Accounting principles that recently have been adopted that had or may have a significant affect are: (1) accounting for stock-based compensation, and (2) accounting for income taxes. We adopted Statement of Financial Accounting Standards No. 123(R) (SFAS 123(R)), “Share-Based Payment,” in January 2006 which requires the measurement of all stock-based compensation to employees, including grants of employee stock options, using a fair value based method and the recording of such expense in our consolidated statements of operations. Effective January 2007, FASB Interpretation No. 48 (FIN 48), “Accounting for Uncertainty in Income Taxes,” sets forth a specific recognition threshold and measurement method for the financial statement

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recognition and measurement of a tax position taken or expected to be taken on a tax return. SFAS 123(R) had a significant adverse effect on our financial results and will continue to impact our future results. We do not expect the adoption of FIN 48 to have a material impact on our financial statements.

Changes in, or interpretations of, tax rules and regulations may adversely affect our effective tax rates. Unanticipated changes in our tax rates could affect our future results of operations. Our future effective tax rates could be adversely affected by changes in tax laws or the interpretation of tax laws. We are subject to possible examinations of our income tax returns by the Internal Revenue Service and state and foreign tax authorities. We regularly assess the likelihood of outcomes resulting from these examinations to determine the adequacy of our provision for income taxes, however, there can be no assurance that the final determination of any examination will not have an adverse effect on our operating results or financial position.

Currency fluctuations could negatively affect our future revenues and earnings as our business grows globally. We operate and invest globally to expand our business into foreign markets. Our foreign subsidiaries use the local currency as the functional currency. As these businesses evolve, our exposure to changes in currency exchange rates may increase. Adverse movements in currency exchange rates may negatively affect our operating results, liquidity and financial condition.

We rely on our executive officers and senior management. Most of our executive officers and senior management personnel do not have employment agreements with us. The loss of these individuals may have a material adverse affect on our future operations.

Item 1B.

Unresolved Staff Comments.

None.

Item 2.

Properties.

Our corporate headquarters is located in Oaks, Pennsylvania and consists of eight buildings situated on approximately 90 acres. We own and operate the land and buildings, which encompass approximately 400,000 square feet of office space and 34,000 square feet of data center space. We are currently expanding these facilities by constructing a ninth building of 83,000 square feet to be completed in the first quarter of 2007 and a new parking structure to be completed in the third quarter of 2007. We lease other offices which aggregate 64,000 square feet. We also own a 3,400 square foot condominium that is used for business purposes in New York, New York.

Item 3.

Legal Proceedings.

On September 30, 2004, SIDCO was named as a defendant in a putative consolidated amended class action complaint (the “PBHG Complaint”) filed in the United States District Court for the District of Maryland titled “Stephen Carey v. Pilgrim Baxter & Associates, LTD, et. al.” The PBHG Complaint was purportedly made on behalf of all persons that purchased or held PBHG mutual funds during the period from November 1, 1998 to November 13, 2003 and related generally to various market timing practices allegedly permitted by the PBHG Funds. The suit named as defendants some 36 persons and entities, including various persons and entities affiliated with Pilgrim Baxter & Associates, Ltd., various PBHG Funds, various alleged market timers, various alleged facilitating brokers, various clearing brokers, various banks that allegedly financed the market timing activities, various distributors/underwriters and others. The PBHG Complaint alleged that SIDCO was the named distributor/underwriter from November 1998 until July 2001 for various PBHG funds in which market timing allegedly occurred during that period. The PBHG Complaint generally alleged that the prospectus for certain PBHG funds made misstatements and omissions concerning market timing practices in PBHG funds. The PBHG Complaint alleged that SIDCO violated Sections 11 and 12(a)(2) of the Securities Act of 1933, Section 10(b) of the Securities Exchange Act of 1934 and Rule 10b-5 thereunder, and Sections 34(b) and 36(a) of the Investment Company Act of 1940, and that SIDCO breached its fiduciary duties, engaged in constructive fraud and aided and abetted the breach by others of their fiduciary duties. The PBHG Complaint did not name SIDCO or any of its affiliates as a market timer, facilitating or clearing broker or financier of market timers. The PBHG Complaint sought unspecified compensatory and punitive damages, disgorgement and restitution. In 2006, the plaintiffs submitted a proposed form of order dismissing SIDCO from the action, but the Court has not yet acted on the proposed order.

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Item 4.

Submission of Matters to a Vote of Security Holders.

There were no matters submitted to a vote of security holders during the fourth quarter of 2006.

Executive Officers of the Registrant

Information about our executive officers is contained in Item 10 of this report and is incorporated by reference into this Part I.

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PART II

Item 5.

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Price Range of Common Stock and Dividends:

Our common stock is traded on The Nasdaq Stock Market, Inc. (NASDAQ) under the symbol “SEIC.” The following table shows the high and low sales prices for our common stock as reported by NASDAQ and the dividends declared on our common stock for the last two years. Our Board of Directors intends to declare future dividends on a semiannual basis.


2006	High		Low		Dividends
First Quarter	$	42.56	$	36.01	$	—
Second Quarter		49.33		39.44		.12
Third Quarter		56.95		44.84		—
Fourth Quarter		60.69		54.07		.12


2005	High		Low		Dividends
First Quarter	$	42.00	$	35.48	$	—
Second Quarter		38.75		31.68		.11
Third Quarter		40.70		35.43		—
Fourth Quarter		42.38		34.97		.11

As of January 31, 2007, we estimate that we had approximately 530 shareholders of record.

For information on our equity compensation plans, refer to Note 8 to the Consolidated Financial Statements and Item 12 of this Annual Report on Form 10-K.

Comparison of Cumulative Total Return of Common Stock, Industry Index and Nasdaq Market Index:

LOGO

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Issuer Purchases of Equity Securities:

Our Board of Directors has authorized the repurchase of up to $1.15 billion of our common stock. Currently, there is no expiration date for our common stock repurchase program.

Information regarding the repurchase of common stock during the three months ended December 31, 2006 is:


Period	Total Number of Shares Purchased	Average Price Paid per Share	Total Number of Shares Purchased as Part of Publicly Announced Program	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program
October 1 – 31, 2006	131,000	56.30	131,000	$	13,033,000
November 1 – 30, 2006	154,000	56.50	154,000		4,331,000
December 1 – 31, 2006	202,500	59.63	202,500		42,255,000

Total	487,500	57.75	487,500

Item 6.

Selected Financial Data.

(In thousands, except per-share data)

This table presents selected consolidated financial information for the five-year period ended December 31, 2006. This data should be read in conjunction with the financial statements and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in this Annual Report on Form 10-K.


Year Ended December 31,	2006 (A)(B)			2005		2004		2003		2002
Revenues	$	1,175,749		$	773,007	$	692,269	$	636,233	$	629,593
Total expenses		677,298			557,915		482,411		430,052		419,774

Income from operations		498,451			215,092		209,858		206,181		209,819
Other (expense) income		(139,695	)		80,117		55,273		18,103		13,229

Income before income taxes		358,756			295,209		265,131		224,284		223,048
Income taxes		121,766			106,865		96,110		81,303		82,528

Net income		236,990			188,344		169,021		142,981		140,520

Basic earnings per common share	$	2.40		$	1.88	$	1.63	$	1.36	$	1.30
Shares used to calculate basic earnings per common share		98,682			100,371		103,399		105,173		108,330

Diluted earnings per common share	$	2.33		$	1.83	$	1.60	$	1.32	$	1.25
Shares used to calculate diluted earnings per common share		101,633			103,138		105,866		108,137		112,803

Cash dividends declared per common share	$	.24		$	.22	$	.20	$	.16	$	.12

Financial Position as of December 31,
Cash and cash equivalents	$	286,948		$	130,128	$	216,966	$	199,953	$	165,724
Total assets	$	1,086,927		$	657,147	$	615,475	$	592,629	$	464,147
Long-term debt (including current portion)	$	80,638		$	14,389	$	23,945	$	38,333	$	43,056
Shareholders’ equity	$	630,512		$	421,688	$	403,942	$	363,773	$	290,007

(A)

Beginning in 2006, we consolidated the accounts of both LSV and LSV Employee Group with the amount of ownership of the other existing partners reflected as minority interest. In prior periods, our proportionate share in the earnings of LSV earnings was reported in Equity in earnings of unconsolidated affiliate which was a component of other income (See Note 2 to the Consolidated Financial Statements).

(B)	Beginning in 2006, we adopted the provisions of SFAS 123(R) “Share-Based Payment.”

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Item 7.

Management’s Discussion and Analysis of Financial Condition and Results of Operation.

(In thousands, except per-share data)

This discussion reviews and analyzes the consolidated financial condition at December 31, 2006 and 2005, the consolidated results of operations for the years ended December 31, 2006, 2005, and 2004, and other factors that may affect future financial performance. This discussion should be read in conjunction with the Selected Financial Data included in Item 6 of this Annual Report and the Consolidated Financial Statements and Notes to the Consolidated Financial Statements included in Item 8 of this Annual Report.

Overview

Our Business and Business Segments

We are a leading global provider of investment processing, fund processing, and investment management business outsourcing solutions that help corporations, financial institutions, financial advisors, and affluent families create and manage wealth. Our outsourcing business solutions consist mainly of investment processing, fund processing, and investment management. Investment processing fees are earned as monthly fees for contracted services including computer processing services, software licenses, and trust operations services, as well as transaction-based fees for providing securities valuation and trade-execution. Fund processing and investment management fees are earned as a percentage of average assets under management or administration. As of December 31, 2006, through our subsidiaries and partnerships in which we have a significant interest, we administer $366.6 billion in mutual fund and pooled assets, manage $181.5 billion in assets, and operate from more than 20 offices in over a dozen countries.

In January 2006, we entered into a Guaranty and Collateral Agreement to provide an unsecured loan guaranty to LSV Employee Group to assist in their purchase of partnership units from two existing partners of LSV. Under current accounting rules, LSV Employee Group meets the definition of a variable interest entity and we are considered the primary beneficiary. We also determined that we had a controlling financial interest in LSV due to our direct 43 percent ownership in LSV and our guaranty of LSV Employee Group’s debt. As a result, we consolidated the accounts of both LSV and LSV Employee Group in 2006 with the amount of ownership of the other existing partners reflected as minority interest. In prior periods, our proportionate share in the earnings of LSV earnings was reported in Equity in earnings of unconsolidated affiliate which was a component of other income. The presentation of LSV in our financial statements has changed due to this transaction, but our proportionate share in the earnings of LSV was unaffected and remained at approximately 43 percent. LSV was reported as its own business segment in 2006 (See Notes 1 and 2 to the Consolidated Financial Statements).

We reorganized our business segments in 2006 to better align new and existing solutions and corresponding processes and consolidate certain business activities into new, globally-managed segments. The following changes were made to the business segments in 2006: the global institutional business within the Investments in New Businesses segment was included in the Enterprises segment, the franchise offering within the Investment Advisors segment was included in the Investments in New Businesses segment, and the registered mutual fund processing business within the Private Banking and Trust segment was included in the Money Managers segment. For comparability, the prior period’s results have been reclassified to reflect the realignment of the business segments.

The Company’s reportable business segments are:

Private Banking and Trust – provides investment processing and investment management programs to banks and other trust institutions located in the United States and Canada and accounts for 24 percent of consolidated revenues in 2006;

Enterprises – provides investment management programs and administrative outsourcing solutions for retirement plan sponsors and not-for-profit organizations globally and accounts for 14 percent of consolidated revenues in 2006;

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LSV Asset Management – is a registered investment advisor that provides investment advisory services to institutions, including pension plans and investment companies. This segment accounts for 25 percent of consolidated revenues in 2006.

Recent Highlights

Our revenues for 2006 were $1.2 billion, with net income of $237.0 million and diluted earnings per share of $2.33. We believe the following items were significant to our business during 2006:

•

Revenues increased primarily from the result of consolidating the accounts of LSV in 2006. In 2006, revenues include $291.1 million from LSV whereas revenues in 2005 did not include the revenues of LSV. Revenues in 2006, excluding LSV, were $884.6 million, an increase of $111.6 million, or 14 percent, compared to 2005. The increase in revenues, excluding LSV, was primarily driven by higher asset-based fees due to capital market appreciation and new business sales.

•

The net operating results of LSV contributed significantly to the increase in our income before income taxes in 2006 and 2005. Our proportionate share in the earnings of LSV was $112.4 million in 2006, compared to $74.8 million in 2005, an increase of $37.6 million, or 50 percent. The increase was due to increased assets from new and existing clients, as well as improved capital markets.

•

Revenue growth in our Investment Advisors segment resulted from higher asset-based fees due to capital market appreciation in 2005 and 2006. Favorable capital market conditions increased the value of assets we manage for our existing clients, resulting in an increase in our base revenues. Capital market appreciation also contributed to the increase in revenues in the Enterprises and Investments in New Businesses segments.

•

New sales in our Enterprises, Money Managers and Investments in New Businesses segments also contributed to our revenue growth. We believe these sales of new business were due to the strengthening market acceptance of our new and existing strategies and solutions.

•

In the first quarter of 2006, we adopted the provisions of SFAS 123(R) to account for stock-based compensation. We elected the modified-prospective method, under which prior periods are not restated. In accordance with SFAS 123(R), we recognized $24.8 million (or $16.7 million, net of tax benefit of $8.1 million) in stock-based compensation expense in 2006. We expect the amount of stock-based compensation expense in 2007 to be generally consistent with the amount incurred in 2006.

•

The development of our Global Wealth Platform continued during 2006 as we progress through the development phase of this project. The majority of these costs are eligible for capitalization; however, a portion is not eligible and is expensed as incurred. We capitalized $73.3 million in 2006 compared to $67.6 million in 2005 in software development costs for this platform. We expect to incur significant development costs for the development of our Global Wealth Platform throughout 2007.

•

Increased spending for the operational infrastructure related to the delivery and support of new company strategies and solutions and to servicing new clients negatively impacted consolidated operating margins. A substantial portion of these costs relate to personnel and third-party service providers.

•

In 2006, we determined that the front-end component of the SEI Advisor Desktop did not meet the expected functionality requirements and would require additional investment. Management decided to discontinue any further development work for this front-end component and wrote-off software development costs of $3.4 million. These costs are reflected in the Investment Advisors segment. Additionally, $2.3 million in previously capitalized software development costs for the Global Wealth Platform was written-off and affected all of our business segments except LSV.

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•

We continued our stock repurchase program during 2006 and purchased approximately 2.3 million shares at an average price of approximately $47 per share. This caused our diluted earnings per common share to grow at a faster rate than our earnings.

•

Our effective tax rate during 2006 was 33.9 percent compared to 36.2 percent in 2005. The tax rate in 2006 benefited from a combination of state tax planning as well as favorable state legislation changes.

Forward Looking Information and Risk Factors

Certain information contained in this discussion is or may be considered forward-looking. Forward-looking statements relate to future operations, strategies, financial results or other developments. Forward-looking statements are based upon estimates and assumptions that involve certain risks and uncertainties, many of which are beyond our control or are subject to change. Although we believe our assumptions are reasonable, they could be inaccurate. Our actual future revenues and income could differ materially from our expected results. We have no obligation to publicly update or revise any forward-looking statements.

Among the risks and uncertainties which may affect our future operations, strategies, financial results or other developments are those risks described in Item 1A “Risk Factors” of this Annual Report. The following items are, in our opinion, anticipated to occur in the next 12 to 18 months:

•

As we progress in the development stage of building the Global Wealth Platform, we expect the amount of spending and capitalization to continue throughout most of 2007 at a level generally consistent with 2006. We plan to implement the new platform in 2007 to support global private banks. We expect to begin amortizing the new platform during 2007.

•

We have been and will continue to be in an investment phase, which involves transforming our company from one that is product and services based to one that is solutions based. Each of our business segments has developed a new business model that is being deployed that will gradually move our clients to our new business solutions. We will continue to make substantial investments in operational infrastructure and technology to support the new business model of each segment.

•

Our strategic goal is to build and deliver world-class business solutions globally. As areas of our non-U.S. business mature and our solutions prove themselves, we will consolidate this activity under a single globally managed segment. In continuation of this strategy, the investment management programs and services offered to global private banks of the Investments in New Businesses segment will move to the Private Banking & Trust segment starting in 2007.

•

Our revenues and earnings are affected by changes in capital markets. A significant portion of our revenues are earned based on the value of assets invested in investment products that we manage or administer. The performance of the capital markets during 2006 and 2005 had a positive impact on our asset based investment management fees which has contributed significantly to our growth in revenues. Given historical economic cycles, we do not anticipate the conditions for the improvement of the capital markets experienced in the prior two years to continue indefinitely. As a result, our revenues and earnings derived from assets under management and administration could be adversely affected.

Stock-Based Compensation

We adopted the provisions of SFAS 123(R) during the first quarter of 2006 to account for stock-based compensation. We elected the modified-prospective method, under which prior periods are not restated for comparative purposes. Under the fair value recognition provisions of this statement, stock-based compensation cost is measured at the grant date based on the fair value of the award and is recognized as expense over the requisite service period, which is the vesting period. We currently use the Black-Scholes option pricing model to determine the fair value of stock options. The determination of the fair value of stock-based payment awards on the date of grant using an option-pricing model is affected by our stock price as well as various other assumptions. These assumptions include our expected stock price volatility over the term of the awards, actual and projected employee stock option exercise behaviors, risk-free interest rate and expected dividends. We are required to estimate forfeitures at the time of grant and revise those estimates in subsequent periods if actual forfeitures differ from those estimates. We currently base our expectations for these assumptions from historical data. These expectations are subject to change in future periods.

Stock options granted have performance vesting conditions based on the attainment of certain earnings per share targets established at the date of grant. The first performance condition determines vesting of 50 percent of the options, and a second performance condition determines the vesting of the remaining 50 percent of the options.

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The performance conditions are measured annually on December 31. Options granted prior to 2006 also could vest in their entirety seven years from the date of grant. The amount of stock-based compensation expense is based upon our estimates of when we believe the earnings per share targets may be achieved. If our estimate of the attainment of the earnings per share targets proves to be inaccurate, the remaining amount of stock-based compensation expense could be accelerated, spread out over a longer period, or reversed. This may cause volatility in the recognition of stock-based compensation expense in future periods and could materially affect our net income and net income per share. In 2006, we recognized approximately $24.8 million in stock-based compensation expense. Based upon our current view of how many options will vest and when they will vest, we estimate that stock-based compensation expense will be recognized according to the following schedule:


Period	Stock-Based Compensation Expense
2007	$	24,491
2008		11,948
2009		11,674
2010		3,919
2011		3,840
2012		3,786
2013		1,927

	$	61,585

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Results of Operations

Revenues, Expenses, Income from operations and Income before income taxes by business segment for the year ended 2006 compared to the year ended 2005, and for the year ended 2005 compared to the year ended 2004 are:


Year Ended December 31,	2006			2005			Percent Change		2004			Percent Change
Revenues:
Private Banking and Trust	$	283,191		$	266,129		6	%	$	262,839		1	%
Investment Advisors		225,716			203,423		11	%		180,220		13	%
Enterprises		164,962			132,013		25	%		96,636		37	%
Money Managers		118,964			103,272		15	%		104,673		(1	%)
Investments in New Businesses		91,795			68,170		35	%		47,901		42	%
LSV		291,121			—		N/A			—		N/A

Total revenues		1,175,749			773,007		52	%		692,269		12	%

Expenses:
Private Banking and Trust		183,727			168,773		9	%		158,255		7	%
Investment Advisors		111,907			87,857		27	%		77,349		14	%
Enterprises		106,377			89,022		19	%		67,152		33	%
Money Managers		90,799			85,595		6	%		79,025		8	%
Investments in New Businesses (2)		118,253			95,909		23	%		70,885		35	%
LSV (2)		178,727			—		N/A			—		N/A

Total expenses		789,790			527,156		50	%		452,666		16	%

Income from business segments:
Private Banking and Trust		99,464			97,356		2	%		104,584		(7	%)
Investment Advisors		113,809			115,566		(2	%)		102,871		12	%
Enterprises		58,585			42,991		36	%		29,484		46	%
Money Managers		28,165			17,677		59	%		25,648		(31	%)
Investments in New Businesses		(26,458	)		(27,739	)	5	%		(22,984	)	21	%
LSV		112,394			—		N/A			—		N/A

Total income from business segments		385,959			245,851		57	%		239,603		3	%

Corporate overhead expenses		(38,842	)		(33,898	)	15	%		(30,153	)	12	%
LSV Employee Group (1)		(7,281	)		—		N/A			—		N/A
Minority interest reflected in segments (2)		158,615			3,139		N/A			408		N/A

Income from operations		498,451			215,092		132	%		209,858		2	%

Other (expense) income		(139,695	)		80,117		N/A			55,273		45	%

Income before income taxes	$	358,756		$	295,209		22	%	$	265,131		11	%

(1)	Primarily relates to amortization costs of identifiable intangible assets.

(2)	For the year ended December 31, 2006, includes $153,381 of minority interest of the other partners of LSV and $5,234 of minority interest of other shareholders relating to a joint venture.

Page 21 of 89

Asset Balances

This table presents assets of our clients, or of our clients’ customers, for which we provide management or administrative services. These assets are not included in our balance sheets because we do not own them.


Asset Balances
(In millions)	As of December 31,
	2006		2005		2004
Assets invested in equity and fixed-income programs	$	154,480	$	122,307	$	95,909
Assets invested in collective trust programs		13,487		14,078		12,159
Assets invested in liquidity funds		13,520		12,153		12,322

Assets under management		181,487		148,538		120,390

Client proprietary assets under administration		185,082		163,526		167,637

Assets under management and administration	$	366,569	$	312,064	$	288,027

Assets under management are total assets of our clients or their customers invested in our equity and fixed-income investment programs, collective trust fund programs, and liquidity funds for which we provide asset management services. Assets under management and administration are total assets of our clients or their customers for whom we provide administrative services, including client proprietary fund balances for which we provide administration and/or distribution services. Assets invested in equity and fixed-income programs as of December 31, 2006, 2005 and 2004 include assets managed by LSV.

Consolidated

Our revenues increased $402.7 million, or 52 percent, to $1.2 billion in 2006 compared to 2005, and increased $80.7 million, or 12 percent, to $773.0 million in 2005 compared to 2004. Revenues increased significantly primarily as a result of consolidating the accounts of LSV into our financial statements beginning in 2006 as a result of the Guaranty and Collateral Agreement previously described. This had the effect of increasing revenues and expenses in 2006 for the results of LSV. Prior to 2006, our proportionate share in the net earnings of LSV was shown in Equity in the earnings of unconsolidated affiliate, which was classified as other income. Revenues in 2006 without LSV were $884.6 million, representing an increase of $111.6 million, or 14 percent, compared to 2005. The increase in revenues in both 2006 and 2005 was primarily driven by increased asset-based fees due to favorable capital market conditions and sales of new business in our Enterprises, Money Managers and Investments in New Businesses segments.

Income before income taxes increased $63.5 million, or 22 percent, to $358.8 million in 2006 and increased $30.1 million, or 11 percent, in 2005 compared to 2004. Diluted earnings per share in 2006 were $2.33 per share as compared to $1.83 per share a year ago, an increase of 27 percent. Diluted earnings per share increased by $0.23 per share in 2005 compared to 2004, an increase of 14 percent. The increase in net income before income taxes and diluted earnings per share in 2006 was due primarily to the net operating results of LSV. Our proportionate share in the earnings of LSV increased $37.6 million, or 50 percent, to $112.4 million in 2006 compared to 2005, and increased $29.1 million, or 64 percent, in 2005 compared to 2004. The increase in both comparable periods was due to increased assets from existing clients and favorable capital market conditions. The increase in income before income taxes in 2005 as compared to 2004 was primarily due to the increase in revenues described above.

Page 22 of 89

Business Segments

Private Banking and Trust

Revenues increased $17.1 million, or six percent, in 2006 compared to 2005, and increased $3.3 million, or one percent, in 2005 compared to 2004. Revenues during 2006 and 2005 were primarily affected by:

•

An increase in revenues in our BSP solution due to new clients;

•

The implementation of two new large ASP bank clients;

•

The conversion of an existing large bank client from our ASP solution to our BSP solution in 2006;

•

A non-recurring fee of $4.7 million received by us from the buyout of an existing contract in the third quarter of 2006; and

•

Cross-sales of other services to existing clients; partially offset by

•

The loss of a large bank client in early 2005.

Operating margins were 35 percent in 2006 as compared to 37 percent in 2005. Operating income increased $2.1 million, or two percent, in 2006 compared with 2005. Operating income in 2006 was primarily affected by:

•

An increase in revenues, which includes the non-recurring buyout fee mentioned above; and

•

A decrease in project-related costs for the implementation of new clients; partially offset by

•

The recognition of approximately $6.3 million in compensation expense related to stock options;

•

Increased non-capitalized technology spending and the write-off of previously capitalized software development costs related to the Global Wealth Platform; and

•

Increased personnel and other operational and technology costs necessary to deliver business outsourcing solutions.

Operating margins were 37 percent in 2005 as compared to 40 percent in 2004. Operating income decreased $7.2 million, or seven percent, in 2005, compared with 2004. Operating income during 2005 was primarily affected by:

•

Increased personnel and other operational and technology costs necessary to deliver business outsourcing solutions;

•

Increased non-capitalized technology spending related to the Global Wealth Platform; and

•

The recognition of approximately $2.7 million in expense associated with the litigation settlement with a third-party software provider and the write-off of previously capitalized software development costs related to the provider in 2005; partially offset by

•

An increase in revenues; and

•

Reduced sales compensation expenses due to the timing of sales events.

Investment Advisors

Revenues increased $22.3 million, or 11 percent, in 2006 compared with 2005, and $23.2 million, or 13 percent, in 2005 compared with 2004. Revenues during 2006 and 2005 were primarily affected by:

•

Increased investment management fees from existing clients due to higher assets under management caused by improved capital market conditions during 2005 and 2006;

•

An increase in the average basis points earned on assets during the first half of 2006; and

•

The recognition on a gross basis of $5.4 million in the first half of 2005 of pass-through revenue associated with our 401(k) recordkeeping offering and third party advisory fees related to our separate account program, which had the effect of increasing revenues and expenses by the same amount.

Operating margins were 50 percent in 2006 and 57 percent in 2005. Operating income decreased $1.8 million, or two percent, in 2006 compared with 2005. Operating income in 2006 was primarily affected by:

•

The recognition of approximately $4.2 million in compensation expense related to stock options;

•

The write-off of the front-end component of the SEI Advisor Desktop for $3.4 million during the second quarter of 2006;

•

Increased non-capitalized technology spending and the write-off of previously capitalized software development costs related to the Global Wealth Platform; and

•

Increased personnel, promotion and technology costs related to our operating infrastructure, including investment management operations; partially offset by

•

An increase in revenues.

Page 23 of 89

Operating margins were 57 percent in both 2005 and 2004. Operating income increased $12.7 million, or 12 percent, in 2005 compared with 2004. Operating income during 2005 was primarily affected by:

•

An increase in revenues; partially offset by

•

Increased non-capitalized technology spending related to the Global Wealth Platform;

•

Increased personnel costs related to our operating infrastructure, including investment management operations; and

•

The recognition of approximately $1.5 million in expense associated with the litigation settlement with a third-party software provider and the write-off of previously capitalized software development costs related to the provider in 2005.

Enterprises

Revenues increased $32.9 million, or 25 percent, in 2006 compared with 2005, and $35.4 million, or 37 percent, in 2005 compared with 2004. Revenues during 2006 and 2005 were primarily affected by:

•

Asset funding from new sales of our retirement solutions in 2006 and 2005;

•

Increased assets under management from existing clients caused by improved capital market conditions during 2005 and 2006; and

•

The recognition on a gross basis of $1.7 million in the first half of 2005 of pass-through revenue associated with our 401(k) recordkeeping offering, which had the effect of increasing revenues and expenses by the same amount.

Operating margins were 36 percent in 2006, 33 percent in 2005 and 31 percent in 2004. Operating income increased $15.6 million, or 36 percent, in 2006 compared with 2005, and $13.5 million, or 46 percent, in 2005 compared with 2004. Operating income during 2006 and 2005 was primarily affected by:

•

An increase in revenues; less

•

The recognition of approximately $3.8 million in compensation expense related to stock options in 2006;

•

Increased direct expenses associated with the increase in revenues; and

•

Increased personnel costs for our global institutional business and investment management operations.

Money Managers

Revenues increased $15.7 million, or 15 percent, in 2006 compared with 2005. Revenues during 2006 were primarily affected by:

•

Increased assets from existing clients of hedge fund, separate account and total operational outsourcing solutions and, to a lesser extent, improved capital market conditions during 2005 and 2006;

•

Cash flows from new clients; and

•

Sales of additional products to our existing clients; partially offset by

•

Client losses, primarily fund processing clients.

Revenues decreased $1.4 million, or one percent, in 2005 compared with 2004. Revenues during 2005 were primarily affected by:

•

Fund processing bank client losses; partially offset by

•

Sales of new business of our alternative investments processing solutions and, to a lesser extent, our traditional fund processing solutions; and

•

Sales of new business of our separately managed account processing solutions.

Operating margins were 24 percent in 2006 and 17 percent in 2005. Operating income increased $10.5 million, or 59 percent, in 2006 compared with 2005. Operating income during 2006 was primarily affected by:

•

An increase in revenues; partially offset by

•

The recognition of approximately $2.8 million in compensation expense related to stock options; and

•

Increased investment spending in connection with the build out of our separately managed account and alternative investments operations during the first half of 2006.

Operating margins were 17 percent in 2005 and 25 percent in 2004. Operating income decreased $8.0 million, or 31 percent, in 2005 compared with 2004. Operating income during 2005 was primarily affected by:

•

Increased investment spending in connection with the build-out of our separately managed account program and total operational outsourcing; and

•

Increased spending on personnel and other operating costs to support new business; partially offset by

•

An increase in revenues; and

•

Decreased expenses due to the loss of large fund processing bank clients.

Page 24 of 89

Investments in New Businesses

Revenues increased $23.6 million, or 35 percent, in 2006 compared with 2005 and $20.3 million, or 42 percent, in 2005 compared with 2004. Revenues during 2006 and 2005 were primarily affected by:

•

Asset funding from new and existing global investment management clients; and

•

Increased assets under management from existing global investment management clients caused by improved capital market conditions; partially offset by

•

The loss of a large distributor client in Continental Europe in the second quarter of 2005.

Losses from operations decreased $1.3 million, or five percent, in 2006 compared with 2005. Losses from operations during 2006 were primarily affected by:

•

An increase in revenues; partially offset by

•

The recognition of approximately $4.8 million in compensation expense related to stock options;

•

Increased direct expenses associated with higher levels of assets from new and existing global investment management clients, net of a reduction in direct cost associated with the loss of the large distributor client mentioned above;

•

Increased non-capitalized technology spending related to the Global Wealth Platform; and

•

Increased personnel and other operational costs necessary to deliver business outsourcing solutions.

Losses from operations increased $4.8 million, or 21 percent, in 2005 compared with 2004. Losses from operations during 2005 were primarily affected by:

•

Increased non-capitalized technology spending related to the Global Wealth Platform;

•

Increased personnel and other operational costs necessary to deliver business outsourcing solutions; and

•

The recognition of approximately $1.1 million in expense associated with the litigation settlement with a third-party software provider and the write-off of previously capitalized software development costs related to the provider in 2005; partially offset by

•

An increase in revenues.

LSV

Revenues increased $93.5 million, or 47 percent, in 2006 compared with 2005 and $78.1 million, or 65 percent, in 2005 compared with 2004. The increase in revenues was primarily due to increased assets under management from the growth in assets from new and existing clients and capital market appreciation. Our earnings from LSV increased $37.6 million in 2006, or 50 percent, in 2006 compared with 2005 and $29.1 million, or 64 percent, in 2005 compared with 2004. The increase in operating income in 2006 and 2005 was primarily driven by the increase in revenues.

Other

Corporate overhead expenses


Year Ended December 31,	2006		2005		Percent Change		2004		Percent Change
Corporate overhead expenses	$	38,842	$	33,898	15	%	$	30,153	12	%

Corporate overhead expenses primarily consist of corporate units such as executive management, accounting, regulatory compliance, corporate marketing and other general administrative costs not directly associated with a reportable business segment. The increase in these expenses was primarily due to the recognition of stock-based compensation expense, general overhead costs and resources and associated expenses for our corporate compliance program and adherence to regulations of the Sarbanes-Oxley Act of 2002.

Page 25 of 89

Other Income

Items related to Other (expense) income on the accompanying Consolidated Statements of Operations consist of:


							Percent					Percent
Year Ended December 31,	2006			2005			Change		2004			Change
Equity in the earnings of unconsolidated affiliate	$	—		$	74,818		N/A		$	45,711		64	%
Net (loss) gain from investments		(2,378	)		87		N/A			3,848		(98	%)
Interest and dividend income		13,521			8,367		62	%		4,545		84	%
Interest expense		(5,464	)		(1,524	)	258	%		(2,112	)	(28	%)
Minority interest		(146,962	)		(3,139	)	N/A			(408	)	N/A
Other		1,588			1,508		5	%		3,689		(59	%)

Total other (expense) income, net	$	(139,695	)	$	80,117		N/A		$	55,273		45	%

Beginning in 2006, we consolidated the accounts of LSV and LSV Employee Group into our financial statements as a result of an unsecured loan guaranty. The ownership percentage of the other existing partners of LSV and LSV Employee Group is reflected in Minority interest. Prior to 2006, our proportionate share of the earnings from LSV was reflected in Equity in the earnings of unconsolidated affiliate.

Minority interest includes the amount owned by other shareholders of entities in which we have a significant or controlling interest. The accounts of these entities are included in our consolidated financial statements. Minority interest on the accompanying Consolidated Statements of Operations consists of the following:


Year Ended December 31,	2006			2005			2004
LSV Asset Management	$	(153,381	)	$	—		$	—
LSV Employee Group		11,653			—			—
Other entities		(5,234	)		(3,139	)		(408	)

Total minority interest	$	(146,962	)	$	(3,139	)	$	(408	)

The accounts of LSV Employee Group are included in our consolidated financial statements. We do not have any ownership interest in the entity and, therefore, we record an offsetting amount for the operations of LSV Employee Group as minority interest.

Net (loss) gain from investments consists of:


Year Ended December 31,	2006			2005			2004
Net realized gain from sales of marketable securities	$	2,302		$	595		$	5,333
Increase (decrease) in fair value of derivative financial instruments		(1,521	)		(525	)		(1,493	)
Other-than-temporary declines in market value		(1,979	)		—			—
Other gains (losses)		(1,180	)		17			8

Net (loss) gain on investments	$	(2,378	)	$	87		$	3,848

Derivative financial instruments are used to minimize the price risk associated with changes in the fair value of our seed investments in new investment management programs. These derivative financial investments did not qualify for hedge accounting under current accounting rules. As a result, changes in the fair value of these derivative financial instruments were recorded in current period earnings whereas the change in the fair value of the hedged asset will be realized upon sale in future period earnings. Management’s decision to enter into derivative financial instruments that do not qualify for hedge accounting may cause volatility in earnings (See Note 1 to the Consolidated Financial Statements).

Page 26 of 89

Other-than-temporary declines in market value includes an impairment charge of approximately $2.0 million related to an investment in a Company-sponsored mutual fund. This investment had been in an unrealized loss position for a period longer than one year. Management has determined that it is unlikely the investment will recover from its loss position.

Other gains (losses) from investments in 2006 includes the write-down of approximately $1.5 million of an equity investment in a private company carried at cost.

Interest income is earned based upon the amount of cash that is invested daily. Fluctuations in interest income recognized for one period in relation to another is due to changes in the average cash balance invested for the period and/or changes in interest rates. The increase in interest income in 2006 was primarily due to the inclusion of approximately $1.4 million of interest earned by LSV from their average outstanding cash balance. Additionally, the increase in interest income in 2006 was due to a rise in interest rates.

Interest expense is directly attributable to our long-term debt and other borrowings. Interest expense for our borrowings was approximately $791 thousand in 2006 and decreased compared to 2005 due to the lower principal balances of our debt outstanding. Interest expense in 2006 includes approximately $4.4 million in interest costs associated with the borrowings of LSV Employee Group which was eliminated through Minority interest and, therefore, had no impact on our net income.

Income Taxes

Our effective tax rate was 33.9 percent in 2006, 36.2 percent in 2005 and 36.3 percent in 2004. The rate reduction in 2006 compared to 2005 was due to a combination of planning as well as favorable state legislation changes. The rate reduction in 2005 compared to 2004 was due to a favorable resolution of a routine audit conducted by the Internal Revenue Service on previously filed tax returns.

Liquidity and Capital Resources


Year Ended December 31,	2006			2005			2004
Net cash provided by operating activities	$	346,170		$	214,437		$	186,510
Net cash used in investing activities		(118,016	)		(116,256	)		(11,535	)
Net cash used in financing activities		(71,334	)		(185,019	)		(157,962	)

Net increase (decrease) in cash and cash equivalents		156,820			(86,838	)		17,013

Cash and cash equivalents, beginning of year		130,128			216,966			199,953

Cash and cash equivalents, end of year	$	286,948		$	130,128		$	216,966

Cash requirements and liquidity needs are expected to be funded through our cash flow from operations and our capacity for additional borrowing. We currently have a credit facility that provides for borrowings of up to $200.0 million. The availability of the credit facility is subject to compliance with certain covenants set forth in the agreement (See Note 6 to the Consolidated Financial Statements). At December 31, 2006, our unused sources of liquidity consisted of unrestricted cash and cash equivalents of $286.9 million and the credit facility of $200.0 million.

Net cash provided by operating activities grew $131.7 million in 2006 compared to 2005 and $27.9 million in 2005 compared to 2004 primarily from an increase in income and the requirement to consolidate the accounts of LSV. Net income increased $48.6 million and $19.3 million in 2006 and 2005, respectively, as compared to the prior year periods. The net change in our working capital accounts negatively affected net cash from operating activities in 2005 and 2004.

At December 31, 2006, cash and cash equivalents included $71.5 million of cash from LSV. We recognized $16.9 million in cash flow from operations as a distribution in 2006 that related to our proportionate share of the earnings of LSV in the prior year. Additionally, $146.9 million of Minority interest primarily relates to the other partners in LSV, of which $88.8 million has been distributed. The net amount, $58.1 million, significantly boosted our cash flow from operations. LSV distributed $37.6 million to the other partners in January 2007.

In January 2006, LSV Employee Group purchased a percentage of LSV from two existing partners for $92.0 million by borrowing $82.8 million in order to finance the majority of the purchase price. These items are excluded from our cash flow statement as it had no impact on cash.

Page 27 of 89

Net cash provided by operating activities in 2006 was also affected by the recognition of stock-based compensation expense. The Company recorded $24.8 million in stock-based compensation expense in 2006. The Tax benefits recognized from stock option exercises activity is now recorded as a financing activity. Prior to 2006, this was recorded as an operating activity. Tax benefits on stock options in 2006 were $32.2 million in financing activities as compared to $7.7 million and $14.0 million in operating activities in 2005 and 2004, respectively.

Net cash used in investing activities includes the capitalization of costs incurred in developing computer software, purchases and sales of marketable securities, and capital expenditures. Net cash used in investing activities increased $1.8 million in 2006 and $104.7 million in 2005 as compared to the prior year period. During the past several years, we have invested in the development of our Global Wealth Platform. We continued to make substantial investments in 2006 to further develop the Global Wealth Platform. Capitalized software expenditures were $73.3 million in 2006, $67.6 million in 2005 and $37.0 million in 2004 (See Note 1 to the Consolidated Financial Statements). The increase in capitalized cost in 2006 and 2005 was primarily due to a higher level of spending. We expect this level of spending and capitalization to continue through 2007.

We had $16.8 million and $33.2 million in net purchases of marketable securities in 2006 and 2005, respectively. In 2004, we had net redemptions of marketable securities of $33.3 million. Purchases of marketable securities in 2006 were mainly comprised of investments for the testing and subsequent start-up of new global investment products. Purchases of marketable securities in 2005 mainly comprised additional investments made in a company-sponsored mutual fund for regulatory compliance purposes and investments to reposition certain cash equivalents into higher-yielding securities. Capital expenditures in 2006 and 2005 primarily include the expansion of our corporate headquarters and costs incurred for computer systems and equipment to support our ongoing operations. We began construction of an additional building and parking facility at our corporate headquarters during the third quarter of 2005. The expansion is estimated to cost at least $24.0 million and is expected to be completed in 2007. Through December 31, 2006, we have spent approximately $15.0 million related to the expansion project, of which $12.4 million was spent in 2006.

Net cash used in financing activities primarily includes the repurchase of our common stock, dividend payments, and principal payments on our debt. Our board of directors has authorized the repurchase of our common stock of up to $1.2 billion, which includes an additional authorization of $50.0 million on December 13, 2006. As of January 31, 2007, we still had $42.3 million of authorization remaining for the purchase of our common stock under this program (See Note 8 to the Consolidated Financial Statements).

The following table lists information regarding repurchases of our common stock during 2006, 2005, and 2004:


Year	Total Number of Shares Repurchased	Average Price Paid per Share		Total Cost (in thousands)
2006	2,344,500	$	46.80	$	109,734
2005	4,443,000		36.94		164,118
2004	4,127,000		32.83		135,509

Cash dividends paid were $22.7 million or $.23 per share in 2006, $21.3 million or $.21 per share in 2005 and $19.7 million or $.19 per share in 2004. Our board of directors declared a cash dividend of $.12 per share on December 13, 2006. The dividend was paid on January 19, 2007 for $11.9 million.

Principal payments on our long-term debt were $5.4 million in 2006, $9.6 million in 2005 and $14.4 million in 2004. Principal payments made by LSV Employee Group on their long term debt in 2006 were $11.2 million. We made our final payment on the term loan in the first quarter of 2006. As of December 31, 2006, the outstanding balance on our Senior Notes was $9.0 million, of which $4.0 million is classified as current. The Company made its scheduled payment of $4.0 million in February 2007 which included the final payment for the Series A Senior Notes. Our long-term debt is subject to various covenants contained in each lending agreement. Currently, these covenants do not negatively affect our liquidity.

We believe our operating cash flow, available borrowing capacity, and existing cash and cash equivalents should provide adequate funds for continuing operations; continued investment in new products and equipment; our common stock repurchase program; future dividend payments; expansion of our corporate headquarters; and principal and interest payments on our long-term debt.

Page 28 of 89

Off-Balance Sheet Arrangements

On January 24, 2006, we entered into a Guaranty and Collateral Agreement (the Guaranty Agreement) with LSV Employee Group, LLC (the Borrower), LaSalle Bank National Association as administrative agent (the Agent), and certain other lenders party thereto. We entered into the Guaranty Agreement in order to facilitate the Borrower’s acquisition of certain partnership interests of LSV.

We and certain other investors are partners of LSV. Two partners of LSV sold in the aggregate an eight percent interest (the Transferred Interests) in LSV to the Borrower, which is owned by certain current employees of LSV. In order to finance a portion of the purchase price for such interests, the Borrower obtained financing from the Agent and certain other lenders in the form of a term loan pursuant to the terms of a Credit Agreement dated January 24, 2006. LSV is party to the Credit Agreement to confirm certain representations, warranties and agreements. The principal amount of the term loan is $82.8 million. Principal and interest payments are made by the Borrower in quarterly installments. The principal balance on the term loan must be paid in full by the Borrower by January 24, 2011. The Borrower made principal payments totaling $11.2 million during 2006 and made a principal payment of $4.1 million in January 2007. The unpaid principal balance of the term loan at January 31, 2007 was $67.5 million.

According to the terms and conditions of the Guaranty Agreement, we agreed to provide an unsecured guaranty to the lenders of all obligations of the Borrower under the Credit Agreement. Our obligations under the Guaranty Agreement are triggered in the event of default which includes non-payment of the loan by the Borrower, non-payment by the Borrower or LSV of other Borrower debt or LSV debt, certain events of bankruptcy or insolvency with respect to the Borrower of LSV, and a change of control. Upon the occurrence of an event of default, in addition to the rights of the lenders to seek repayment from the Borrower and exercise all rights as secured creditors against the Borrower, the lenders have the right to seek payment from us of the Borrower’s obligations under the Credit Agreement. As recourse for such payment, we will be subrogated to the rights of the lenders under the Credit Agreement and the Guaranty Agreement, including the security interest in the pledged Transferred Interests.

Other than the Guaranty Agreement previously described, our off-balance sheet commitments are generally limited to future payments under non-cancelable operating leases for facilities, data processing equipment, and software and other maintenance agreements.

Contractual Obligations

The following table lists all of our future commitments:


	Total		2007		2008		2009 to 2011		2012 and Thereafter
Line of credit and long-term debt (a)(b)	$	82,076	$	13,728	$	9,708	$	57,628	$	1,012
Operating leases and maintenance agreements (c)		40,430		10,769		7,180		10,079		12,402
Derivative instruments (d)		11,035		11,035		—		—		—
Other commitments		114		114		—		—		—

Total	$	133,655	$	35,646	$	16,888	$	67,707	$	13,414

(a)	Amounts include estimated commitment fees and interest. See Notes 6 and 7 to the Consolidated Financial Statements.

(b)	Amounts include the long-term debt of LSV Employee Group. See Note 2 to the Consolidated Financial Statements.

(c)	See Note 10 to the Consolidated Financial Statements.

(d)	See Note 1 to the Consolidated Financial Statements.

Page 29 of 89

Critical Accounting Policies

The accompanying consolidated financial statements and supplementary information were prepared in accordance with accounting principles generally accepted in the United States. Our significant accounting policies are discussed in Note 1 to the Consolidated Financial Statements. Inherent in the application of many of these accounting policies is the need for management to make estimates and judgments in the determination of certain revenues, expenses, assets and liabilities. Materially different financial results can occur as circumstances change and additional information becomes known. We believe that the following accounting policies require extensive judgment by our management to determine the recognition and timing of amounts recorded in our financial statements.

Revenue Recognition:

Revenues are recognized in the periods in which the related services are performed provided that persuasive evidence of an agreement exists, the fee is fixed or determinable, and collectibility is reasonably assured. Cash received by us in advance of the performance of services is deferred and recognized as revenue when earned. Our principal sources of revenues are: (1) information processing and software servicing fees that are recurring in nature and earned based upon the number of trust accounts being serviced and non-recurring project fees that are earned based upon contractual agreements related to client implementations; (2) asset management, administration and distribution fees calculated as a percentage of the total average daily net assets under management or administration; and (3) transaction-based fees for providing securities valuation and trade-execution services. The majority of our revenues are based on contractual arrangements. Certain portions of our revenues require management’s consideration of the nature of the client relationship in determining whether to recognize as revenue the gross amount billed or net amount retained after payments are made to vendors for certain services related to the product or service offering.

Allowance for Doubtful Accounts:

We maintain an allowance for doubtful accounts for estimated losses resulting from the inability of some of our clients to make their scheduled payments. The allowance for doubtful accounts is based on the total amount of outstanding receivables and an aging analysis at each balance sheet date. Other factors are considered in determining the adequacy of the allowance for doubtful accounts, such as historical trends, the financial condition of our clients and other factors that may be deemed appropriate. Based upon this analysis, the allowance for doubtful accounts is adjusted to an amount that is sufficient to cover expected losses from doubtful accounts.

Investments Available-For-Sale:

We value our investments in marketable securities based on quoted market prices. We review our investments in marketable securities on a quarterly basis with regard to impairment. Factors considered in determining other-than-temporary impairment are significant or prolonged declines in the fair value of our investments, our ability and intent to retain the investment for a period sufficient to allow the value to recover, and the financial condition of the investment. After considering these factors, if we believe that a decline is other-than-temporary, the carrying value of the investment is written down to its fair value through current period earnings.

Computer Software Development Costs:

We utilize internally developed computer software as part of our product offering. In the development of a new software product, substantial consideration must be given by management to determine whether costs incurred are research and development costs, or internal software development costs eligible for capitalization. Management must consider a number of different factors during their evaluation of each computer software development project that includes estimates and assumptions. Costs considered to be research and development are expensed as incurred. After meeting specific requirements, internal software development costs are capitalized as incurred. The capitalization and ongoing assessment of recoverability of software development costs requires considerable judgment by management with respect to certain external factors, including, but not limited to, technological and economic feasibility, and estimated economic life. Amortization of capitalized software development costs begins when the product is ready for its intended use. Capitalized software development costs are amortized on a product-by-product basis using the straight-line method over the estimated economic life of the product or enhancement.

Page 30 of 89

Income Tax Accounting:

The computation of our income tax expense requires the interpretation of complex tax laws and regulations in many taxing jurisdictions around the world. Actual income tax expense can differ significantly from our estimates.

Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carryforwards. We assess the recoverability of deferred tax assets based on our estimated future taxable income and tax strategies. We also recognize a liability for expected contingencies. We assess the liability based on our review of various tax issues and interpretations of tax law. Differences between our estimates and actual results could have a significant impact to our consolidated results of operations, financial position, or liquidity. See the discussion of New Accounting Pronouncements in Note 1 to the Consolidated Financial Statements.

Stock-Based Compensation:

Stock-based compensation cost is measured at the grant date based on the fair value of the award and is recognized as expense over the requisite service period, which is the vesting period. We currently use the Black-Scholes option pricing model to determine the fair value of stock options. The determination of the fair value of stock-based payment awards on the date of grant using an option-pricing model is affected by our stock price as well as various other assumptions. These assumptions include our expected stock price volatility over the term of the awards, actual and projected employee stock option exercise behaviors, risk-free interest rate and expected dividends. We are required to estimate forfeitures at the time of grant and revise those estimates in subsequent periods if actual forfeitures differ from those estimates. The amount of stock-based compensation expense that is recognized in a given period is dependent upon management’s estimate of when the earnings per share targets are expected to be achieved. If this estimate proves to be inaccurate, the remaining amount of stock-based compensation expense could be accelerated, spread out over a longer period, or reversed. We currently base our expectations for these assumptions from historical data and other applicable factors. These expectations are subject to change in future periods.

The assessment of critical accounting policies is not meant to be an all-inclusive discussion of the uncertainties to financial results that can occur from the application of the full range of our accounting policies. Materially different financial results could occur in the application of other accounting policies as well. Also, materially different results can occur upon the adoption of new accounting standards.

New Accounting Pronouncements

In June 2006, the FASB issued FASB Interpretation No. 48 (FIN 48), “Accounting for Uncertainty in Income Taxes” which clarifies FASB Statement No. 109, “Accounting for Income Taxes.” FIN 48 sets forth a specific recognition threshold and measurement method for the financial statement recognition and measurement of a tax position taken or expected to be taken on a tax return. It also provides guidance on classification, interest and penalties, accounting for interim periods, disclosure and transition. FIN 48 amends FASB Statement No. 5, “Accounting for Contingencies” by indicating that it no longer applies to accounting for income taxes. The pronouncement is effective for fiscal years beginning after December 15, 2006, thus for our first quarter of 2007. We do not expect the adoption of FIN 48 to have a material impact on our financial statements.

In September 2006, the SEC issued Staff Accounting Bulletin No. 108 (SAB 108), “Considering the Effects of Prior Year Misstatements when Quantifying Misstatements in Current Year Financial Statements.” SAB 108 provides guidance on how prior year misstatements should be taken into consideration when quantifying misstatements in current year financial statements for purposes of determining whether the current year’s financial statements are materially misstated. SAB 108 becomes effective for all financial statements issued for fiscal years beginning after November 15, 2006. The adoption of SAB 108 did not have a material impact on the Company’s financial statements.

In September 2006, the FASB issued FASB Statement No. 157 (SFAS 157), “Fair Value Measurements.” SFAS 157 establishes a framework for measuring fair value in generally accepted accounting principles and expands disclosures about fair value measurements. SFAS 157 is effective for all financial statements issued for fiscal years beginning after November 15, 2007. We do not expect the adoption of SFAS 157 to have a material impact on our financial statements.

See the discussion of New Accounting Pronouncements in Note 1 to the Consolidated Financial Statements.

Page 31 of 89

Item 7A.

Quantitative and Qualitative Disclosures About Market Risk.

Interest Rate Risk - Our exposure to changes in interest rates primarily relates to our investment portfolio. Our excess cash is principally invested in short-term, highly liquid financial instruments, mainly money market funds, with a substantial portion of such investments having initial maturities of three months or less. Our investment portfolio includes U.S. Treasury securities maturing within one year, a long-term fixed-income mutual fund principally invested in U.S. government agency securities, and a short-term mutual fund principally invested in securities of U.S. and foreign commercial banks and government agencies. We place our investments in financial instruments that meet high credit quality standards. While changes in interest rates could decrease interest income, we do not believe that we have a material exposure to changes in interest rates. We do not undertake any specific actions to cover our exposure to interest rate risk and are not a party to any interest rate risk management transactions.

Additionally, LSV Employee Group entered into two interest rate swap agreements to convert its floating rate long-term debt to fixed rate debt. These swaps have a total notional value of $52.9 million. Payments are made every 90 days and the termination dates of the swaps are March 2009 and January 2011. The net effect from the interest rate swaps on the Company’s earnings was minimal.

Foreign Currency Risk – We transact business in the local currencies of various foreign countries, principally Canada, Ireland, the United Kingdom and South Korea. The total of all of our foreign operations accounts for approximately 11 percent of total consolidated revenues. Also, most of our foreign operations match local currency revenues with local currency costs. Due to these reasons, we do not, at this time, hedge against foreign operations.

Price Risk - We are exposed to price risk associated with changes in the fair value of investments in marketable securities relating to the startup of new pooled investment offerings. The length of time that our funds remain invested in these new pooled investment offerings is dependent on client subscriptions. We will redeem our investments as clients subscribe to these new investment offerings. To provide protection against potential fair value changes for these investments, we have entered into various derivative financial instruments. As of December 31, 2006, we held derivative financial instruments with a notional amount of $11.0 million and an expected maturity in 2007. Changes in the fair value of the derivative financial instruments are recognized in current period earnings, whereas, the change in the fair value of the investment is recorded on the balance sheet in other comprehensive income. Therefore, changes in the fair value of the derivative financial instrument and changes in the fair value of the investment are not recognized through earnings in the same period. We did not enter into or hold any derivative financial instruments for trading purposes during 2006 or 2005.

The current period earnings include losses of $1.5 million, $0.5 million and $1.5 million in 2006, 2005 and 2004, respectively, relating to changes in the fair value of derivative financial instruments. The aggregate effect of a hypothetical ten percent change in the fair value of our investments would be:


Investment	Hypothetical Change In Value
Mutual Funds	$	6,209
Equities		960

	$	7,169

In consideration of the hypothetical change in value, our derivative financial instruments related to equities would substantially offset the change in fair value of the equity securities.

Page 32 of 89

Item 8.

Financial Statements and Supplementary Data.


Index to Financial Statements:		Page
Report of Independent Registered Public Accounting Firm		34
Consolidated Balance Sheets — December 31, 2006 and 2005		36
Consolidated Statements of Operations — For the years ended December 31, 2006, 2005, and 2004		38
Consolidated Statements of Shareholders’ Equity and Comprehensive Income — For the years ended December 31, 2006, 2005, and 2004		39
Consolidated Statements of Cash Flows — For the years ended December 31, 2006, 2005, and 2004		41
Notes to Consolidated Financial Statements		43
Schedule II — Valuation and Qualifying Accounts and Reserves - For the years ended December 31, 2006, 2005, and 2004		69

All other schedules are omitted because they are not applicable, or not required, or because the required information is included in the Consolidated Financial Statements or notes thereto.

Page 33 of 89

Report of Independent Registered Public Accounting Firm

To the Board of Directors and Shareholders

of SEI Investments Company:

We have completed integrated audits of SEI Investments Company’s consolidated financial statements and of its internal control over financial reporting as of December 31, 2006 in accordance with the standards of the Public Company Accounting Oversight Board (United States). Our opinions, based on our audits, are presented below.

Consolidated financial statements and financial statement schedule

In our opinion, the consolidated financial statements listed in the accompanying index present fairly, in all material respects, the financial position of SEI Investments Company and its subsidiaries (“the Company”) at December 31, 2006 and 2005, and the results of their operations and their cash flows for each of the three years in the period ended December 31, 2006 in conformity with accounting principles generally accepted in the United States of America. In addition, in our opinion, the financial statement schedule listed in the accompanying index presents fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements. These financial statements and financial statement schedule are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements and financial statement schedule based on our audits. We conducted our audits of these statements in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit of financial statements includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

As discussed in Note 1 to the financial statements, the Company changed the manner in which it accounts for share-based compensation in 2006.

Internal control over financial reporting

Also, in our opinion, management’s assessment, included in Management’s Report on Internal Control over Financial Reporting appearing under Item 9A, that the Company maintained effective internal control over financial reporting as of December 31, 2006 based on criteria established in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), is fairly stated, in all material respects, based on those criteria. Furthermore, in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2006, based on criteria established in Internal Control - Integrated Framework issued by the COSO. The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting. Our responsibility is to express opinions on management’s assessment and on the effectiveness of the Company’s internal control over financial reporting based on our audit. We conducted our audit of internal control over financial reporting in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. An audit of internal control over financial reporting includes obtaining an understanding of internal control over financial reporting, evaluating management’s assessment, testing and evaluating the design and operating effectiveness of internal control, and performing such other procedures as we consider necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinions.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Page 34 of 89

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

PricewaterhouseCoopers LLP

Philadelphia, Pennsylvania

February 22, 2007

Page 35 of 89


Consolidated Balance Sheets		SEI Investments Company
(In thousands)		and Subsidiaries


	December 31,	2006		2005
Assets	Current Assets:
	Cash and cash equivalents	$	286,948	$	130,128
	Restricted cash		10,250		10,250
	Receivables from regulated investment companies		37,600		30,558
	Receivables, net of allowance for doubtful accounts of $2,730 and $1,520 (Note 4)		206,999		97,987
	Deferred income taxes		15,931		7,318
	Securities owned (Note 5)		16,431		19,709
	Other current assets		12,314		10,026

	Total Current Assets		586,473		305,976

	Property and Equipment, net of accumulated depreciation and amortization of $113,177 and $109,208 (Note 4)		130,732		114,505

	Capitalized Software, net of accumulated amortization of $25,235 and $21,667		180,014		116,670

	Investments Available for Sale (Note 5)		71,690		54,632

	Investments Held to Maturity (Note 5)		4,617		—

	Investment in Unconsolidated Affiliate		—		51,941

	Goodwill (Notes 2 and 3)		22,842		—

	Intangible Assets, net of accumulated amortization of $8,205 (Notes 2 and 3)		67,836		—

	Other Assets, net		15,501		13,423

	Total Assets	$	1,079,705	$	657,147

The accompanying notes are an integral part of these financial statements.

Page 36 of 89


Consolidated Balance Sheets		SEI Investments Company
(In thousands, except par value)		and Subsidiaries


	December 31,	2006		2005
Liabilities	Current Liabilities:
and Shareholders’	Current portion of long-term debt	$	13,100	$	5,389
Equity	Accounts payable		7,119		4,954
	Payable to regulated investment companies		258		204
	Accrued liabilities (Note 4)		175,044		147,693
	Deferred revenue		606		287

	Total Current Liabilities		196,127		158,527

	Long-term Debt		67,538		9,000

	Deferred Income Taxes		76,148		58,989

	Minority Interest		109,380		8,943

	Commitments and Contingencies (Note 10)

	Shareholders’ Equity:
	Series Preferred stock, $.05 par value, 60 shares authorized; no shares issued and outstanding		—		—
	Common stock, $.01 par value, 750,000 shares authorized; 98,953 and 98,580 shares issued and outstanding		990		986
	Capital in excess of par value		363,815		268,608
	Retained earnings		258,069		148,127
	Accumulated other comprehensive income, net		7,638		3,967

	Total Shareholders’ Equity		630,512		421,688

	Total Liabilities and Shareholders’ Equity	$	1,079,705	$	657,147

The accompanying notes are an integral part of these financial statements.

Page 37 of 89


Consolidated Statements of Operations		SEI Investments Company
(In thousands, except per-share data)		and Subsidiaries


Year Ended December 31,	2006			2005			2004
Revenues:
Asset management, administration and distribution fees	$	918,142		$	531,594		$	455,372
Information processing and software servicing fees		213,066			197,992			193,778
Transaction-based and trade execution fees		44,541			43,421			43,119

Total revenues		1,175,749			773,007			692,269

Expenses:
Commissions and fees		147,835			129,303			102,310
Compensation, benefits and other personnel		315,502			242,453			217,271
Consulting, outsourcing and professional fees		77,753			70,612			58,204
Data processing and computer related		37,755			30,409			25,808
Facilities, supplies and other costs		69,306			67,990			62,744
Depreciation and amortization		29,147			17,148			16,074

Total expenses		677,298			557,915			482,411

Income before interest, taxes, minority interest and other items		498,451			215,092			209,858

Net (loss) gain from investments		(2,378	)		87			3,848
Equity in the earnings of unconsolidated affiliate		—			74,818			45,711
Interest and dividend income		13,521			8,367			4,545
Interest expense		(5,464	)		(1,524	)		(2,112	)
Other income		1,588			1,508			3,689
Minority interest		(146,962	)		(3,139	)		(408	)

Net income before income taxes		358,756			295,209			265,131

Income taxes		121,766			106,865			96,110

Net income	$	236,990		$	188,344		$	169,021

Basic earnings per common share	$	2.40		$	1.88		$	1.63

Diluted earnings per common share	$	2.33		$	1.83		$	1.60

The accompanying notes are an integral part of these financial statements.

Page 38 of 89


Consolidated Statements of Shareholders’ Equity and Comprehensive Income		SEI Investments Company
(In thousands)		and Subsidiaries


	Common Stock					Capital In Excess of Par Value			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity			Comprehensive Income (Loss)
	Shares		Amount			Capital In Excess of Par Value			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity			Comprehensive Income (Loss)
Balance, December 31, 2003	104,869		$	1,049		$	246,068		$	111,972		$	4,684		$	363,773
Comprehensive income:
Net income	—			—			—			169,021			—			169,021		$	169,021
Foreign currency translation	—			—			—			—			3,229			3,229			3,229
Unrealized net gains on investments, net of income taxes of $(888)	—			—			—			—			1,581			1,581			1,581
Reclassification adjustment for losses realized in net income, net of income taxes of $1,939	—			—			—			—			(3,343	)		(3,343	)		(3,343	)

Total comprehensive income																		$	170,488

Purchase and retirement of common stock	(4,127	)		(41	)		(9,597	)		(125,871	)		—			(135,509	)
Issuance of common stock under the employee stock purchase plan	86			1			2,358			—			—			2,359
Issuance of common stock upon exercise of stock options	1,347			13			9,311			—			—			9,324
Tax benefit on stock options exercised	—			—			14,034			—			—			14,034
Dividends declared ($.20 per share)	—			—			—			(20,527	)		—			(20,527	)

Balance, December 31, 2004	102,175		$	1,022		$	262,174		$	134,595		$	6,151		$	403,942

Comprehensive income:
Net income	—			—			—			188,344			—			188,344		$	188,344
Foreign currency translation	—			—			—			—			(1,684	)		(1,684	)		(1,684	)
Unrealized net losses on investments, net of income taxes of $260	—			—			—			—			(456	)		(456	)		(456	)
Reclassification adjustment for losses realized in net income, net of income taxes of $27	—			—			—			—			(44	)		(44	)		(44	)

Total comprehensive income																		$	186,160

Purchase and retirement of common stock	(4,443	)		(45	)		(11,185	)		(152,888	)		—			(164,118	)
Issuance of common stock under the employee stock purchase plan	82			1			2,578			—			—			2,579
Issuance of common stock upon exercise of stock options	766			8			7,351			—			—			7,359
Tax benefit on stock options exercised	—			—			7,690			—			—			7,690
Dividends declared ($.22 per share)	—			—			—			(21,924	)		—			(21,924	)

Balance, December 31, 2005	98,580		$	986		$	268,608		$	148,127		$	3,967		$	421,688

The accompanying notes are an integral part of these financial statements.

Page 39 of 89


Consolidated Statements of Shareholders’ Equity and Comprehensive Income		SEI Investments Company
(In thousands)		and Subsidiaries


	Common Stock					Capital In Excess of Par Value			Retained Earnings			Accumulated Other Comprehensive Income (Loss)		Total Shareholders’ Equity			Comprehensive Income (Loss)
	Shares		Amount			Capital In Excess of Par Value			Retained Earnings					Total Shareholders’ Equity			Comprehensive Income (Loss)
Balance, December 31, 2005	98,580		$	986		$	268,608		$	148,127		$	3,967	$	421,688
Comprehensive income:
Net income	—			—			—			236,990			—		236,990		$	236,990
Foreign currency translation	—			—			—			—			2,771		2,771			2,771
Unrealized net losses on investments, net of income taxes of $465	—			—			—			—			108		108			108
Reclassification adjustment for losses realized in net income, net of income taxes of $442	—			—			—			—			792		792			792

Total comprehensive income																	$	240,661

Purchase and retirement of common stock	(2,345	)		(23	)		(6,389	)		(103,322	)		—		(109,734	)
Issuance of common stock under the employee stock purchase plan	63			—			2,504			—			—		2,504
Issuance of common stock upon exercise of stock options	2,655			27			42,131			—			—		42,158
Stock-based compensation	—			—			24,811			—			—		24,811
Tax benefit on stock options exercised	—			—			32,150			—			—		32,150
Dividends declared ($.24 per share)	—			—			—			(23,726	)		—		(23,726	)

Balance, December 31, 2006	98,953		$	990		$	363,815		$	258,069		$	7,638	$	630,512

The accompanying notes are an integral part of these financial statements.

Page 40 of 89


Consolidated Statements of Cash Flows		SEI Investments Company
(In thousands)		and Subsidiaries


Year Ended December 31,	2006			2005			2004
Cash flows from operating activities:

Net income	$	236,990		$	188,344		$	169,021

Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		29,147			17,585			16,183
Distribution from unconsolidated affiliate		16,940			—			—
Undistributed earnings of unconsolidated affiliate		—			(15,154	)		(15,417	)
Undistributed earnings of minority interests		146,962			3,139			408
Payments to partners of LSV		(88,779	)		—			—
Provision for losses on receivables		1,210			(280	)		100
Tax benefit on stock options exercised		—			7,690			14,034
Stock-based compensation		24,811			—			—
Gain on partial sale of unconsolidated affiliate		(267	)		(1,205	)		—
Deferred income tax expense		12,520			26,218			19,396
Net realized losses (gains) on investments		399			(87	)		(3,840	)
Write-off of capitalized software		5,694			4,409			—
Other-than-temporary declines in market value		1,979			—			—
Other		(6,667	)		(7,662	)		(3,213	)
Change in current assets and liabilities:
Decrease (increase) in:
Restricted cash		—			4,136			39,095
Receivables from regulated investment companies		(7,042	)		(870	)		(2,510	)
Receivables		(44,759	)		(18,600	)		(19,773	)
Other current assets		(2,153	)		(386	)		(1,123	)
Increase (decrease) in:
Accounts payable		2,163			(2,461	)		(12	)
Payable to regulated investment companies		54			(4,098	)		(38,797	)
Accrued expenses		16,649			15,771			11,026
Deferred revenue		319			(2,052	)		1,932

Total adjustments		109,180			26,093			17,489

Net cash provided by operating activities	$	346,170		$	214,437		$	186,510

The accompanying notes are an integral part of these financial statements.

Page 41 of 89


Consolidated Statements of Cash Flows		SEI Investments Company
(In thousands)		and Subsidiaries


Year Ended December 31,	2006			2005			2004
Cash flows from investing activities:

Additions to property and equipment		(32,870	)		(15,725	)		(14,236	)
Additions to capitalized software		(73,252	)		(67,591	)		(36,962	)
Purchase of marketable securities		(80,683	)		(38,084	)		(28,532	)
Sale of marketable securities		63,926			4,845			61,829
Partial sale of investment in unconsolidated affiliate		—			—			6,183
Cash received from consolidation of LSV		5,268			—			—
Other		(405	)		299			183

Net cash used in investing activities		(118,016	)		(116,256	)		(11,535	)

Cash flows from financing activities:

Payments on long-term debt		(16,551	)		(9,556	)		(14,388	)
Purchase and retirement of common stock		(107,398	)		(164,118	)		(135,509	)
Proceeds from issuance of common stock		43,169			9,938			11,683
Tax benefit on stock options exercised		32,150			—			—
Payment of dividends		(22,704	)		(21,283	)		(19,748	)

Net cash used in financing activities		(71,334	)		(185,019	)		(157,962	)

Net increase (decrease) in cash and cash equivalents		156,820			(86,838	)		17,013
Cash and cash equivalents, beginning of year		130,128			216,966			199,953

Cash and cash equivalents, end of year	$	286,948		$	130,128		$	216,966

Interest paid	$	4,398		$	1,533		$	2,233
Income taxes paid	$	79,821		$	67,231		$	69,112

Non-cash financing activities (1)
Dividends declared but not paid	$	11,882		$	10,860		$	10,218

(1)	See Note 1 for other non-cash financing activity related to LSV Employee Group.

The accompanying notes are an integral part of these financial statements.

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Notes to Consolidated Financial Statements		SEI Investments Company
(all figures are in thousands except per-share data)		and Subsidiaries

Note 1 - Summary of Significant Accounting Policies:

Nature of Operations

SEI Investments Company (the Company), a Pennsylvania corporation, provides investment processing, fund processing, and investment management business outsourcing solutions to corporations, financial institutions, financial advisors, and affluent families in the United States, Canada, the United Kingdom, continental Europe, and other various locations throughout the world. Investment processing solutions utilize the Company’s proprietary software system to track investment activities in multiple types of investment accounts, including personal trust, corporate trust, institutional trust, and non-trust investment accounts, thereby allowing banks and trust companies to outsource trust and investment related activities.

The fund processing solution offers a full range of administration and distribution support services to mutual funds, collective trust funds, hedge funds, fund of funds, private equity funds and other types of investment funds. Administrative services include fund accounting, trustee and custodial support, legal support, transfer agency and shareholder servicing. Distribution support services range from market and industry insight and analysis to identifying distribution opportunities.

Investment management programs consist of Company-sponsored mutual funds, alternative investments and separate accounts. These include a series of money market, equity, fixed-income and alternative investment portfolios, primarily in the form of registered investment companies. The Company serves as the administrator and investment advisor for many of these products.

The Company is generally organized around its primary target markets. As of December 31, 2006, the Company’s business segments were: Private Banking and Trust, Investment Advisors, Enterprises, Money Managers, Investments in New Businesses, and LSV Asset Management. Financial information pertaining to the Company’s business segments is included in Note 12.

Effective January 1, 2007, the structure of the Private Banking & Trust and the Investments in New Businesses segments will change to consolidate certain business activities into globally-managed segments. Additional information pertaining to the reorganization of these business segments is included in Note 12.

Principles of Consolidation

The Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiaries and entities in which it holds a controlling financial interest. The Company determines whether it has a controlling financial interest either by its decision-making ability through voting interests in accordance with Statement of Financial Accounting Standards No. 94, “Consolidation of All Majority-Owned Subsidiaries,” or by the extent of the Company’s participation in the economic risks and rewards of the entity through variable interests pursuant to the revised interpretation of Financial Accounting Standards Board Interpretation No. 46 (FIN 46), “Consolidation of Variable Interest Entities.” The Company provides for minority interests in consolidated entities for which the Company’s controlling financial interest is less than 100 percent. The Company’s principal subsidiaries are SEI Investments Distribution Co. (SIDCO), SEI Investments Management Corporation (SIMC), and SEI Private Trust Company (SPTC). All intercompany accounts and transactions have been eliminated.

Beginning in January 2006, the Company consolidated the assets, liabilities and operations of LSV and LSV Employee Group in its Consolidated Financial Statements (See Note 2). The Company’s percentage of direct ownership in LSV was approximately 43 percent during 2006. The amount of ownership of the other existing partners, approximately 57 percent, of LSV is included in Minority interest. The Company does not have any ownership interest in LSV Employee Group. Prior to 2006, the Company accounted for LSV using the equity method of accounting.

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Management’s Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Revenue Recognition

The Company’s principal sources of revenues are: (1) information processing and software servicing fees that are either recurring and primarily earned based upon the number of trust accounts being serviced or non-recurring and based upon project-oriented contractual agreements related to client implementations; (2) asset management, administration and distribution fees earned based upon a contractual percentage of net assets under management or administration; and (3) transaction-based fees for providing securities valuation and trade-execution services. The majority of the Company’s revenues are based on contractual arrangements. Revenues are recognized in the periods in which the related services are performed provided that persuasive evidence of an agreement exists, the fee is fixed or determinable, and collectibility is reasonably assured. Cash received by the Company in advance of the performance of services is deferred and recognized as revenue when earned. Reimbursements received for out-of-pocket expenses incurred are recorded as revenue. Certain portions of the Company’s revenues require management’s consideration of the nature of the client relationship in determining whether to recognize as revenue the gross amount billed or net amount retained after payments are made to vendors for certain services related to the product or service offering.

Cash and Cash Equivalents

The Company considers investment instruments purchased with an original maturity of three months or less to be cash equivalents. Cash equivalents include $110,663 and $55,237 at December 31, 2006 and 2005, respectively, primarily invested in Company-sponsored open-ended money market mutual funds. Cash and cash equivalents at December 31, 2006 includes $71,457 from LSV due to the requirement to consolidate the accounts of LSV.

Restricted Cash

Restricted cash at December 31, 2006 and 2005 includes $10,000 segregated in special reserve accounts for the benefit of SIDCO customers in accordance with certain rules established by the Securities and Exchange Commission for broker-dealers and $250 segregated for regulatory purposes related to trade-execution services conducted by our subsidiary located in the United Kingdom.

Allowances for Doubtful Accounts

The Company provides an allowance for doubtful accounts equal to the estimated uncollectible amounts. The Company’s estimate is based on historical collection experience and a review of the current status of trade accounts receivable.

Concentration of Credit Risk

Financial instruments which potentially expose the Company to concentrations of credit risk consist primarily of cash equivalents, marketable securities and trade receivables. Cash equivalents are principally invested in short-term money market funds or placed with major banks and high-credit qualified financial institutions. Cash deposits maintained with institutions are in excess of federally insured limits. Concentrations of credit risk with respect to our receivables are limited due to the large number of clients and their dispersion across geographic areas. No single group or customer represents greater than ten percent of total accounts receivable.

Property and Equipment

Property and Equipment are recorded at cost. Expenditures for major additions and improvements are capitalized and minor replacements, maintenance, and repairs are charged to expense as incurred. Construction in progress includes the cost of construction and other direct costs attributable to the

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construction. When property and equipment are retired or disposed of, the related cost and accumulated depreciation are removed from the accounts and any resulting gain or loss is included in the results of operations for the respective period. Depreciation is provided over the estimated useful lives using the straight line method for financial statement purposes. No provision for depreciation is made for construction in progress until such time as the relevant assets are completed and put into service. The Company uses other depreciation methods, generally accelerated, for tax purposes where appropriate. Buildings and building improvements are depreciated over 25 to 39 years. Equipment, purchased software and furniture and fixtures have useful lives ranging from three to five years. Amortization of leasehold improvements is computed using the straight line method over the shorter of the remaining lease term or the estimated useful lives of the improvements.

Marketable Securities

The Company’s non-broker-dealer subsidiaries account for investments in marketable securities pursuant to Statement of Financial Accounting Standards No. 115 (SFAS 115), “Accounting for Certain Investments in Debt and Equity Securities.” Management determines the appropriate classification of investments in marketable securities at the time of purchase and reevaluates such designation at each balance sheet date. Debt securities are classified as held-to-maturity when the Company has the positive intent and ability to hold the securities to maturity. Held-to-maturity securities are classified as either short or long-term based on the relevant contractual maturity date and are stated at amortized cost. Debt and equity securities classified as available-for-sale are reported at fair value as determined by the most recently traded price of each security at the balance sheet date. Unrealized holding gains and losses, net of income taxes, are reported as a separate component of comprehensive income. SIDCO, the Company’s broker-dealer subsidiary, reports changes in fair value of marketable securities through current period earnings due to specialized accounting practices related to broker-dealers in securities. The specific identification method is used to compute the realized gains and losses on all of the Company’s marketable securities (See Note 5).

The Company evaluates the realizable value of its marketable securities on a quarterly basis. In the event that the carrying value of an investment exceeds its fair value and the decline in value is determined to be other-than-temporary, an impairment charge is recorded and a new cost basis for the investment is established. Factors considered in determining other-than-temporary declines in value include the duration and extent to which the fair value has been less than the carrying value; the ability of the investment to recover to its original cost, and the Company’s intent and ability to retain the investment for a period of time sufficient to allow for any anticipated recovery in fair value.

Derivative Instruments and Hedging Activities

The Company holds derivative financial instruments (derivatives) in the form of equity contracts for the purpose of hedging the market risk of certain available-for-sale securities. The Company holds such derivatives only for the purpose of hedging such risk and not for speculation. The Company formally documents its risk management objective and strategy for undertaking such hedge transactions. This process includes relating all derivatives that are designated as fair value hedges to specific assets on the balance sheet.

The Company accounts for its derivatives in accordance with Statement of Financial Accounting Standards No. 133, “Accounting for Derivative Instruments and Hedging Activities,” Statement of Financial Accounting Standards No. 138, “Accounting for Certain Derivative Instruments and Certain Hedging Activities – an amendment of FASB Statement No. 133,” and Statement of Financial Accounting Standards No. 149, “Amendment of Statement 133 on Derivative Instruments and Hedging Activities.” The Company records all derivatives on its balance sheet at fair value. The Company determines if the instrument qualifies as an effective fair value hedge on the date the derivative is entered into and monitors this determination on an ongoing basis. If the derivative instrument qualifies as an effective fair value hedge according to established accounting guidance, the Company will apply hedge accounting. As of December 31, 2006, hedge accounting does not apply to any of the Company’s derivatives.

The Company enters into hedging relationships such that the change in the fair value of the asset being hedged is expected to be offset by a counteracting change in the fair value of the derivative instrument. Since the Company’s derivatives do not qualify as accounting hedges, the change in the fair value of the derivative is recognized immediately in current period earnings, while the change in the fair value of the hedged asset is recorded in other comprehensive income. The Company may continue to enter into economic hedges which may not qualify as accounting hedges to support certain business strategies. These economic hedges may cause some volatility in earnings.

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The Company holds equity derivatives with a notional amount of $11,035 with an expected maturity date in 2007. Additionally, LSV Employee Group entered into two interest rate swap agreements to convert its floating rate long-term debt to fixed rate debt. These swaps have a total notional value of $52,883. Payments are made every 90 days and the termination dates of the swaps are March 2009 and January 2011. The net effect from the interest rate swaps on the Company’s earnings was minimal. Net gain (loss) from investments on the accompanying Consolidated Statements of Operations includes net losses of $1,521, $525 and $1,493 in 2006, 2005 and 2004, respectively, from changes in the fair value of derivative instruments.

Capitalized Software

The Company accounts for software development costs in accordance with the guidance established in Statement of

Position 98-1 (SOP 98-1), “Accounting for the Cost of Computer Software Developed or Obtained for Internal Use,” for development costs associated with software products to be provided in a hosting environment. As required by SOP 98-1, the Company capitalizes the costs incurred during the application development stage, which includes direct external and internal costs to design the software configuration and interfaces, coding, installation, and testing. Costs incurred during the preliminary project along with post-implementation stages are expensed as incurred. Costs incurred to maintain existing product offerings are expensed as incurred. The capitalization and ongoing assessment of recoverability of software development costs requires considerable judgment by management with respect to certain external factors, including, but not limited to, technological and economic feasibility, and estimated economic life. The Company capitalized $73,252, $67,591, and $36,962 of software development costs in accordance with SOP 98-1 during 2006, 2005, and 2004, respectively.

Amortization of capitalized software development costs begins when the product is ready for its intended use. Capitalized software development costs are amortized on a product-by-product basis using the straight-line method over the estimated economic life of the product or enhancement, which is primarily three to ten years, with a weighted average remaining life of approximately 7.4 years. Amortization expense was $4,214, $2,342, and $2,247 in 2006, 2005, and 2004, respectively, and is included in Depreciation and amortization expense on the accompanying Consolidated Statements of Operations.

In 2006, the Company determined that the front-end component of the SEI Advisor Desktop did not fully satisfy the expected functionality requirements and would require additional investment. Management decided to discontinue any further development work for this front-end component and wrote-off $3,429 of previously capitalized software development costs. Additionally, $2,265 of previously capitalized software development costs related to other discontinued projects associated with the Global Wealth Platform were written-off in 2006. In 2005, the Company wrote-off $3,587 of previously capitalized software development costs, which included $1,922 of unpaid liabilities to the vendor that was directly associated with the amount that was capitalized. As a result, the Company recorded a net charge of $1,665 against earnings.

Goodwill and Other Intangible Asset

The Company accounts for goodwill in accordance with Statement of Financial Accounting Standards No. 142 (SFAS 142), “Goodwill and Other Intangible Assets.” Goodwill is not amortized but is reviewed for impairment annually or more frequently if facts and circumstances warrant a review. The provisions of SFAS 142 require that a two-step test be performed to assess goodwill for impairment. In the first step, the fair value of each reporting unit is compared with its carrying value. If the fair value exceeds the carrying value, goodwill is not impaired and no further testing is performed. The second step is performed if the carrying value exceeds the fair value. The implied fair value of the reporting unit’s goodwill must be determined and compared to the carrying value of the goodwill. If the carrying value of a reporting unit’s goodwill exceeds its implied fair value, an impairment loss equal to the difference will be recorded.

SFAS 142 also requires that intangible assets with definite lives be amortized over their estimated useful life and reviewed for impairment in accordance with Statement of Financial Accounting Standards No. 144 (SFAS 144), “Accounting for the Impairment or Disposal of Long-Lived Assets.” The Company is amortizing its intangible assets on a straight-line basis over eight and a half to ten years (See Notes 2 and 3).

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Income Taxes

The Company applies the asset and liability approach to account for income taxes pursuant to Statement of Financial Accounting Standards No. 109 (SFAS 109), “Accounting for Income Taxes.” Under SFAS 109, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The components of the deferred tax assets and liabilities are individually classified as current and non-current based on their characteristics (See Note 11).

Foreign Currency Translation

The assets and liabilities and results of operations of the Company’s foreign subsidiaries are measured using the foreign subsidiary’s local currency as the functional currency. Assets and liabilities have been translated into U.S. dollars using the rates of exchange at the balance sheet date. The results of operations have been translated into U.S. dollars at average exchange rates prevailing during the period. The resulting translation gain and loss adjustments are recorded as a separate component of comprehensive income.

Transaction gains and losses that arise from exchange rate fluctuations are included in the results of operations in the periods in which they occur, and are immaterial for each of the years in the three year period ended December 31, 2006.

Fair Value of Financial Instruments

The book value of current assets and current liabilities is considered to be representative of their fair value because of their short maturities. Held-to-maturity securities are stated at amortized cost, which approximates fair value. The book value of long-term debt is considered to be representative of its fair value based upon an estimation using borrowing rates currently available for bank loans with similar terms and maturities. The recorded value of these items approximates their fair value at December 31, 2006.

Earnings Per Common Share

The Company calculates earnings per common share in accordance with Statement of Financial Accounting Standards No. 128, “Earnings per Share.” Basic earnings per common share is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. Diluted earnings per common share is computed by dividing net income available to common shareholders by the combination of the weighted average number of common shares outstanding and the dilutive potential common shares, such as stock options, outstanding during the period. The calculations of basic and diluted earnings per share for 2006, 2005, and 2004 are:


	For the year ended December 31, 2006
	Net Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic earnings per common share	$	236,990	98,682	$	2.40
Dilutive effect of stock options		—	2,951

Diluted earnings per common share	$	236,990	101,633	$	2.33

	For the year ended December 31, 2005
	Net Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic earnings per common share	$	188,344	100,371	$	1.88
Dilutive effect of stock options		—	2,767

Diluted earnings per common share	$	188,344	103,138	$	1.83

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	For the year ended December 31, 2004
	Income (Numerator)		Shares (Denominator)	Per-Share Amount
Basic earnings per common share	$	169,021	103,399	$	1.63
Dilutive effect of stock options		—	2,467

Diluted earnings per common share	$	169,021	105,866	$	1.60

Employee stock options to purchase approximately 1,787,000, 6,754,000, and 4,753,000 shares of common stock, with an average exercise price per share of $58.85, $42.56, and $44.39, were outstanding during 2006, 2005, and 2004, respectively, but not included in the computation of diluted earnings per common share because the option’s exercise price was greater than the average market price of the Company’s common stock, and the effect on diluted earnings per common share would have been anti-dilutive (See Note 8).

Stock-Based Compensation

The Company adopted the provisions of SFAS 123(R). SFAS 123(R) replaced Statement of Financial Accounting Standards No. 123 (SFAS 123), “Accounting for Stock-Based Compensation,” and supersedes Accounting Principles Board Opinion No. 25 (APB 25), “Accounting for Stock Issued to Employees.” Under the fair value recognition provisions of SFAS 123(R), stock-based compensation cost is measured at the grant date based on the fair value of the award and is recognized as expense over the requisite service period, which is the vesting period. The Company elected the modified-prospective method, under which prior periods are not restated for comparative purposes. The valuation provisions of SFAS 123(R) apply to new grants and to grants that were outstanding as of the effective date and are subsequently modified. Estimated compensation for grants that were outstanding as of the effective date will be recognized over the remaining service period using the compensation cost estimated for the SFAS 123 pro-forma disclosures.

The Company uses historical data to estimate pre-vesting forfeitures and record stock-based compensation expense only for those awards that are expected to vest. Stock-based compensation is amortized over the requisite service periods of the awards, which are generally the vesting periods. The amount of stock-based compensation expense that is recognized in a given period is dependent upon management’s estimate of when the earnings per share targets are expected to be achieved. If this estimate proves to be inaccurate, the remaining amount of stock-based compensation expense could be accelerated, spread out over a longer period, or reversed (See Note 8).

Comprehensive Income

Statement of Financial Accounting Standards No. 130, “Reporting Comprehensive Income,” establishes standards for the reporting and presentation of comprehensive income and its components. Comprehensive income consists of net income and other gains and losses affecting shareholders’ equity that are excluded from net income. For the Company, comprehensive income includes unrealized gains and losses on marketable securities and foreign currency translation. The Company presents comprehensive income in its Consolidated Statements of Shareholders’ Equity and Comprehensive Income. Components of Accumulated other comprehensive income consisted of:


December 31,	2006		2005
Foreign currency translation	$	6,446	$	3,675
Unrealized gains on marketable securities, net of income tax expense of $611 and $160		1,192		292

Accumulated other comprehensive income, net	$	7,638	$	3,967

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Statements of Cash Flows

The following non-cash activities are excluded from the Consolidated Statements of Cash Flows for the year ended December 31, 2006: LSV Employee Group purchased a percentage of LSV from two existing partners for a total purchase price of $92,000. LSV Employee Group contributed $9,200 and borrowed the remaining $82,800 (See Note 2).

New Accounting Pronouncements

In June 2006, the FASB issued FASB Interpretation No. 48 (FIN 48), “Accounting for Uncertainty in Income Taxes” which clarifies FASB Statement No. 109, “Accounting for Income Taxes.” FIN 48 sets forth a specific recognition threshold and measurement method for the financial statement recognition and measurement of a tax position taken or expected to be taken on a tax return. It also provides guidance on classification, interest and penalties, accounting for interim periods, disclosure and transition. FIN 48 amends FASB Statement No. 5, “Accounting for Contingencies” by indicating that it no longer applies to accounting for income taxes. The pronouncement is effective for fiscal years beginning after December 15, 2006, thus for the Company’s first quarter of 2007. The Company does not expect the adoption of FIN 48 to have a material impact on its financial statements.

In September 2006, the FASB issued FASB Statement No. 157 (SFAS 157), “Fair Value Measurements.” SFAS 157 establishes a framework for measuring fair value in generally accepted accounting principles and expands disclosures about fair value measurements. SFAS 157 is effective for all financial statements issued for fiscal years beginning after November 15, 2007. The Company does not expect the adoption of SFAS 157 to have a material impact on its financial statements.

Reclassifications

Certain prior year amounts have been reclassified to conform to current year presentation.

The Company has reclassified the categories for revenues and expenses appearing on the Consolidated Statements of Operations. Prior year amounts have been reclassified to conform to the current year presentation. A brief description of the primary revenue and expense categories is as follows:

Revenues:

Asset management, administration and distribution fees – includes revenues recognized for our investment management programs and fund processing services;

Information processing and software servicing fees – includes revenues recognized for our investment processing services; and

Transaction-based and trade execution fees – includes revenues recognized for our trade order management and electronic trading services.

Expenses:

Commissions and fees – includes expenses incurred for commissions and fees paid to third party vendors and the amounts paid which correlate with the amount of revenues the Company earned;

Compensation, benefits, and other personnel - includes expenses incurred for compensation, benefits, stock-based compensation and any other personnel-related costs associated with the Company’s staff;

Consulting, outsourcing and professional fees – includes expenses incurred from third party service providers for operational, developmental or administrative support services; and

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Data processing and computer-related – includes expenses incurred for vendor costs for data subscriptions, computer software and maintenance services and any other non-developmental technology service-related costs.

These reclassifications had no impact on the total amount of revenues, expenses or net income recognized by the Company. The Company believes the new classifications of revenues and expenses provide a better representation of the Company’s current operations.

Note 2 – Consolidation of LSV and LSV Employee Group

The Company has an investment in the general partnership LSV, a registered investment advisor that provides investment advisory services to institutions, including pension plans and investment companies. LSV is currently an investment sub-adviser for a number of Company-sponsored mutual funds. The Company’s total partnership interest in LSV was approximately 43 percent during 2005 and 2006. LSV Employee Group is owned by several current employees of LSV and was formed in January 2006 for the sole purpose of owning a partnership interest in LSV. The Company does not own any interest in LSV Employee Group.

In January 2006, two partners of LSV, excluding the Company, sold in the aggregate an eight percent interest in LSV to LSV Employee Group. The Company entered into a Guaranty Agreement with LSV Employee Group, LaSalle Bank National Association as administrative agent (the Agent), and certain other lenders (see LSV Guaranty Agreement with LSV Employee Group below) in order to facilitate the acquisition of certain partnership interests of LSV by LSV Employee Group. LSV Employee Group obtained financing from the Agent and certain other lenders in the form of a term loan pursuant to the terms of a Credit Agreement (See LSV Employee Group Term Loan below).

Pursuant to the terms and conditions of the Guaranty Agreement, the Company has agreed to provide an unsecured guaranty to the lenders of all obligations of LSV Employee Group under the Credit Agreement. In the event of default by LSV Employee Group, the lenders have the right to seek payment from the Company of all obligations of LSV Employee Group under the Credit Agreement.

Under FIN 46, LSV Employee Group meets the definition of a variable interest entity and the Company is the primary beneficiary. As a result of this transaction, the Company now has a controlling financial interest in LSV through its direct ownership of LSV and guaranty of LSV Employee Group’s debt. The Company was therefore required to consolidate the assets, liabilities and operations of LSV and LSV Employee Group in its Consolidated Financial Statements beginning in January 2006. The Company’s percentage of direct ownership in LSV was unchanged (approximately 43 percent) as a result of this transaction. The amount of ownership of the other existing partners (approximately 57 percent) of LSV is included in Minority interest. The Company does not have any ownership interest in LSV Employee Group. Prior to 2006, the Company accounted for LSV using the equity method of accounting. The Company’s share of net assets in LSV was reported in Investment in unconsolidated affiliate on the Consolidated Balance Sheets. The Company’s proportionate share in the earnings of LSV was recorded in Equity in the earnings of unconsolidated affiliate as a component of other income on the accompanying Consolidated Statement of Operations.

In accordance with the terms of the Assignment and Purchase Agreement (the Purchase Agreement), LSV Employee Group only receives their percentage interest in the future earnings of LSV from the date of the Purchase Agreement and did not acquire any right to any of the sellers’ remaining undistributed earnings of LSV. A portion of the total purchase price of $92,000 was allocated to identifiable intangible assets that require recognition apart from goodwill. The Company determined that $72,220 related to those identifiable intangible assets and the remaining $19,780 was goodwill. The identifiable intangible assets have an estimated life of ten years and are amortized on a straight-line basis. The Company recognized $7,222 in amortization expense in 2006, which is reflected in Depreciation and amortization expense on the accompanying Consolidated Statement of Operations. The remaining net book value of the identifiable intangible assets at December 31, 2006 was $64,998. Amortization expense recognized in the Consolidated Statement of Operations associated with the assets of LSV Employee Group was eliminated through Minority interest and had no impact on net income. The estimated aggregate amortization expense related to the intangible assets for each year from 2007 through 2011 is $7,222.

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These tables contain condensed financial information of LSV for the years ended December 31, 2005 and 2004:


Condensed Statement of Operations	2005		2004
Revenues	$	197,643	$	119,517

Net income	$	175,343	$	103,452


Condensed Balance Sheet	2005		2004
Cash and cash equivalents	$	45,698	$	29,962
Accounts receivable, net of allowance for doubtful accounts of $120 and $240		65,312		43,413
Other current assets		135		201
Non-current assets		504		693

Total assets	$	111,649	$	74,269

Current liabilities	$	8,955	$	5,556
Partners’ capital		102,694		68,713

Total liabilities and partners’ capital	$	111,649	$	74,269

The Company received partnership distribution payments from LSV of $93,778, $60,100 and $30,294 in 2006, 2005 and 2004, respectively.

The unaudited pro-forma financial information for the years ended December 31, 2005 and 2004 combines the historical results of the Company and LSV as though the companies had been combined as of the beginning of January 1, 2004. Net income and earnings per share were unchanged due to this transaction but are presented for the purpose of clarification.


Year Ended December 31,	2005		2004
Revenues	$	970,650	$	811,786
Net income	$	363,687	$	272,473

Basic earnings per share	$	1.88	$	1.63
Diluted earnings per share	$	1.83	$	1.60

Guaranty Agreement with LSV Employee Group

Pursuant to the terms and conditions of the Guaranty Agreement, the Company has agreed to provide an unsecured guaranty to the lenders of all obligations of LSV Employee Group under the Credit Agreement. The obligations of the Company under the Guaranty Agreement are triggered if an “event of default” occurs under the Credit Agreement, which includes (a) non-payment of the loan by LSV Employee Group, (b) non-payment by LSV Employee Group or LSV of other LSV Employee Group debt or LSV debt, (c) certain events of bankruptcy or insolvency with respect to LSV Employee Group of LSV, and (d) a change of control (which is defined as including Josef Lakonishok, one of the principal partners of LSV, ceasing to own and control, directly or indirectly, at least 15.5 percent of the outstanding capital securities of LSV).

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Upon the occurrence of an event of default, in addition to the rights of the lenders to seek repayment from LSV Employee Group and exercise all rights as secured creditors against LSV Employee Group, the lenders have the right to seek payment from the Company for the obligations of LSV Employee Group under the Credit Agreement. As recourse for such payment, the Company will be subrogated to the rights of the lenders under the Credit Agreement and the Guaranty Agreement, including the security interest in the pledged interests transferred to LSV Employee Group.

LSV Employee Group Term Loan

In order to finance a portion of the purchase price, LSV Employee Group obtained financing from LaSalle Bank National Association and certain other lenders in the form of a term loan pursuant to the terms of a Credit Agreement. The principal amount of the term loan is $82,800. The term loan may be divided into tranches that will bear interest at either (a) LIBOR plus 0.875 percent, or (b) at a base rate, defined as the greater of (i) the Federal Funds Rate plus 0.5 percent or (ii) the prime rate for LaSalle Bank National Association. LSV Employee Group may designate which rate of interest will be applied for each tranche. The principal amount and interest of the term loan are to be paid in quarterly installments. The total outstanding principal balance of the term loan must be paid in full by January 2011. LSV Employee Group may prepay the term loan in whole or in part at any time without penalty. As of December 31, 2006, the remaining unpaid principal balance of the term loan was $71,638, of which $9,100 is classified as current and included in Current portion of long-term debt and the remaining $62,538 is included in Long-term debt on the accompanying Consolidated Balance Sheets. LSV Employee Group made principal payments totaling $11,162 during 2006 and made a principal payment of $4,120 in January 2007. The average rate applied to the loan throughout 2006 was 5.99 percent. Interest expense for 2006 on the Consolidated Statements of Operations includes $4,429 in interest costs associated with the borrowings of LSV Employee Group which was eliminated through Minority interest and had no impact on net income. The unpaid principal balance of the term loan at January 31, 2007 was $67,518. The Company currently has no obligation of payment relating to the term loan of LSV Employee Group.

The book value of LSV Employee Group’s long-term debt is considered to be representative of its fair value based upon an estimation using borrowing rates currently available for bank loans with similar terms and maturities.

The aggregate maturities of the LSV Employee Group’s long-term debt are scheduled to occur as follows: $9,100 in 2007, $8,400 in 2008, $7,900 in 2009, $7,600 in 2010 and $38,638 in 2011.

Note 3 – Goodwill and Other Intangible Asset

In June 2003, the Company purchased an additional percentage ownership in LSV. The total purchase price was allocated to LSV’s net tangible and intangible assets based upon their estimated fair values at the date of purchase. The excess purchase price over the value of the net tangible and identifiable intangible assets was recorded as goodwill. The total amount of goodwill from this transaction amounted to $3,062 and is included on the accompanying Consolidated Balance Sheets.

The Company identified an intangible asset related to customer contracts that met the contractual-legal criterion for recognition apart from goodwill. The fair value of the intangible asset was determined to be $3,821 with a definite life of eight and a half years. The identified intangible asset is amortized on a straight-line basis. The Company recognized $437 of amortization expense during 2006 and 2005. Prior to 2006, the goodwill and intangible assets were considered embedded within its investment in LSV and reflected as a component of Investment in unconsolidated affiliate on the accompanying Consolidated Balance Sheets.


	2006			2005
Intangible asset, at cost	$	3,821		$	3,821
Accumulated amortization		(983	)		(546	)

Net book value	$	2,838		$	3,275

The estimated aggregate amortization expense related to the intangible asset for each year from 2007 through 2011 is $437.

Page 52 of 89

Note 4 – Composition of Certain Financial Statement Captions:

Receivables

Receivables on the accompanying Consolidated Balance Sheets consist of:


	2006			2005
Trade receivables	$	45,242		$	29,895
Fees earned, not billed		154,378			65,910
Other receivables		10,109			3,702

		209,729			99,507

Less: Allowance for doubtful accounts		(2,730	)		(1,520	)

Receivables, net	$	206,999		$	97,987

Fees earned, not billed represents receivables earned but unbilled and results from timing differences between services provided and contractual billing schedules. These billing schedules generally provide for fees to be billed on a quarterly basis.

Receivables from regulated investment companies on the accompanying Consolidated Balance Sheets primarily represent fees receivable for distribution, investment advisory, and administration services to various regulated investment companies sponsored by the Company (See Note 13).

Receivables of LSV on the accompanying Consolidated Balance Sheets consist of:


	2006
Trade receivables	$	10,868
Fees earned, not billed		74,704

		85,572

Less: Allowance for doubtful accounts		(480	)

LSV Receivables, net	$	85,092

Property and Equipment

Property and Equipment on the accompanying Consolidated Balance Sheets consists of:


	2006			2005
Equipment	$	57,746		$	63,251
Buildings		98,615			98,235
Land		9,510			9,510
Purchased software		38,564			30,251
Furniture and fixtures		18,563			16,820
Leasehold improvements		5,144			2,961
Construction in progress		15,767			2,685

		243,909			223,713

Less: Accumulated depreciation and amortization		(113,177	)		(109,208	)

Property and Equipment, net	$	130,732		$	114,505

Page 53 of 89

Depreciation and amortization expense related to property and equipment for 2006, 2005, and 2004 was $17,032, $14,624, and $13,377.

Other Assets

Other assets consist of long-term prepaid expenses, deposits, investments carried at cost, and various other assets. In 2006, the Company wrote-down an equity investment in a private company carried at cost and classified in Other assets. The amount of the write down was $1,540 and is included in Net loss from investments on the accompanying Consolidated Statements of Operations. Amortization expense for certain other assets for 2006, 2005, and 2004 was $242, $182, and $450, respectively.

Accrued Liabilities

Accrued Liabilities on the accompanying Consolidated Balance Sheets consist of:


	2006		2005
Accrued compensation	$	68,657	$	53,157
Accrued income taxes		15,057		11,487
Accrued dividend payable		11,881		10,859
Accrued sub-advisor and investment officer fees		12,314		10,111
Accrued consulting		10,782		8,719
Other accrued liabilities		56,353		53,360

Accrued liabilities	$	175,044	$	147,693

Accrued sub-advisor and investment officer fees relates to services provided by fund advisors to Company-sponsored mutual funds and other investment programs.

Accrued income taxes also include amounts considered sufficient to pay assessments that may result from examination of prior year tax returns (See Note 11).

Note 5 – Marketable Securities:

Investments Available For Sale

Investments available for sale of the Company’s non-broker-dealer subsidiaries classified as non-current assets consist of:


	For the Year ended December 31, 2006
	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
Company-sponsored mutual funds	$	61,618	$	268	$	—		$	61,886
Non-company-sponsored mutual funds		208		—		—			208
Equity securities		8,061		1,535		—			9,596

	$	69,887	$	1,803	$	—		$	71,690


	For the Year Ended December 31, 2005
	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Fair Value
Company-sponsored mutual funds	$	42,890	$	—	$	(1,274	)	$	41,616
Non-company-sponsored mutual funds		2,324		9		—			2,333
Equity securities		8,966		1,717		—			10,683

	$	54,180	$	1,726	$	(1,274	)	$	54,632

Page 54 of 89

Net unrealized holding gains were $1,192 (net of income tax expense of $611) and $292 (net of income tax expense of $160) at December 31, 2006 and December 31, 2005, respectively, and are reported as separate components of Accumulated other comprehensive income on the accompanying Consolidated Balance Sheets.

The Company recognized gross realized gains from available-for-sale securities of $2,302, $595, and $5,347, in 2006, 2005 and 2004, respectively, and gross realized losses from available-for-sale securities of $14 in 2004. There were no realized losses from available-for-sale securities in 2006 and 2005.

The Company has an investment in a Company-sponsored mutual fund in order to satisfy applicable regulatory requirements of SPTC. This investment had been in an unrealized loss position for longer than one year. In 2006, the Company wrote down this investment to its fair market value. The write-down amounted to $1,979 and was due to a decline in the fair value which was considered to be other than temporary. The write-down is included in Net loss from investments on the accompanying Consolidated Statements of Operations.

Held-to-Maturity Securities

At December 31, 2006, the Company had investments in federal agency mortgage-backed securities. The Company acquired these securities in order to satisfy certain regulatory requirements associated with the operations of SPTC. The securities had a cost basis of $4,617 and contractual maturity dates in 2020 and 2021 and are reported as Investments held to maturity on the accompanying Consolidated Balance Sheets. Gross realized gains in 2006 from held-to-maturity securities were minimal and resulted from principal prepayments. The recorded value of these securities approximates their fair value.

Securities Owned

At December 31, 2006, the Company’s broker-dealer subsidiary, SIDCO, had investments in U.S. Treasury securities reflected as Securities owned on the accompanying Consolidated Balance Sheets. Due to specialized accounting practices applicable to investments by broker-dealers, the securities are reported at fair value and changes in fair value are recorded in current period earnings. Net gain (loss) from investments on the accompanying Consolidated Statements of Operations includes net gains of $362 in 2006 from changes in the fair value of the securities. The securities have a fair value of $16,431 and mature in 2007.

Note 6 - Lines of Credit:

On September 14, 2004, the Company entered into a three-year $200,000 Credit Agreement (the Credit Facility). The Credit Facility became available immediately and expires on September 14, 2007 at which time any aggregate principal amount of loans outstanding becomes payable in full. The Credit Facility, when utilized, will accrue interest at 0.75 percent above the London Interbank Offer Rate (LIBOR). There is also a commitment fee equal to 0.15 percent per annum on the daily unused portion of the Credit Facility. The Credit Facility contains various covenants, including, but not limited to, limitations of indebtedness, maintenance of fixed charge and leverage ratios, and restrictions on certain investments. Both the interest rate and commitment fee prices may increase if the Company’s leverage ratio reaches certain levels. Currently, these covenants do not adversely affect the Company’s liquidity or capital resources.

The Company had no borrowings under the Credit Facility and was in compliance with all covenants during 2006. The Company incurred $306, $303, and $447 in commitment fees relating to the current and since expired lines of credit during 2006, 2005, and 2004, respectively, and is reflected in Interest expense on the accompanying Consolidated Statements of Operations.

On January 14, 2003, the Company’s Canadian subsidiary entered into a credit facility agreement (the Canadian Credit Facility) for the purpose of facilitating the settlement of mutual fund transactions. The Canadian Credit Facility became effective immediately and has no stated expiration date. The amount of the facility is generally limited to $2,000 Canadian dollars or the equivalent amount in U.S. dollars. The facility, when utilized, accrues interest at the effective rate of interest announced by the lending institution, which is generally in accordance with rates on Canadian dollar commercial loans made in Canada. The Canadian Credit Facility does not contain any covenants which restrict the liquidity or capital resources of the Company. The Company had no borrowings under the Canadian Credit Facility at December 31, 2006 and was in compliance with all covenants during 2006.

Page 55 of 89

Note 7 - Long-term Debt:

On February 24, 1997, the Company signed a Note Purchase Agreement authorizing the issuance and sale of $20,000 of 7.20 percent Senior Notes, Series A, and $15,000 of 7.27 percent Senior Notes, Series B (collectively, the Notes), in a private offering with certain financial institutions. The Notes are unsecured with final maturities ranging from 10 to 15 years. The proceeds from the Notes were used to repay the outstanding balance on the Company’s line of credit at that date. The Note Purchase Agreement, as amended, contains various covenants, including limitations on indebtedness, maintenance of minimum net worth levels, and restrictions on certain investments. In addition, the Note Purchase Agreement limits the Company’s ability to merge or consolidate, and to sell certain assets. Principal payments on the Notes are made annually from the date of issuance while interest payments are made semi-annually. The remaining unpaid principal balance of the Notes at December 31, 2006 was $9,000, of which $4,000 is classified as current. The Company made its scheduled payment of $4,000 in February 2007 which included the final payment for the Series A Senior Notes.

In June 2001, the Company entered into a $25,000 Term Loan Agreement (the Agreement) with a separate lending institution and borrowed the full amount in August 2001. The Company made its final payment of $1,389 in March 2006.

The book value of long-term debt is considered to be representative of its fair value based upon an estimation using borrowing rates currently available to the Company for bank loans with similar terms and maturities. The Company was in compliance with all covenants associated with its long-term debt during 2006.

Interest expense relating to the Company’s long-term debt was $725, $1,221, and $1,591 for the years ended December 31, 2006, 2005, and 2004, respectively.

The aggregate maturities of the Company’s long-term debt are scheduled to occur as follows: $4,000 in 2007 and $1,000 in each year from 2008 through 2012.

The Company’s long-term debt includes the borrowings of LSV Employee Group (See Note 2).

Note 8 - Shareholders’ Equity:

Stock-Based Compensation

The Company currently has one active equity compensation plan, the 1998 Equity Compensation Plan (the 1998 Plan), pursuant to which grants of stock may be made to employees, consultants and directors of the Company. The 1998 Plan provides for the grant of incentive stock options and non-qualified stock options, restricted stock, stock appreciation rights, and performance units. The Company’s Board of Directors has reserved an aggregate 20,222,000 shares for grant under the 1998 Plan and has only granted non-qualified stock options. Stock options are granted with an exercise price equal to the fair market value of the Company’s common stock on the date of grant and expire ten years from the date of grant. The Company maintains an on-going annual grant program under which all employees are eligible for consideration. Stock options granted have performance vesting conditions based on the attainment of certain earnings per share targets established at the date of grant. Earnings per share targets are calculated exclusive of stock-based compensation expense, net of tax. The first performance condition determines vesting of 50 percent of the options, and a second performance condition determines the vesting of the remaining 50 percent of the options. The performance conditions are measured annually on December 31. Options granted prior to 2006 also could vest in their entirety seven years from the date of grant. The Company believes that awarding stock options with performance-based vesting schedules better aligns the interests of stockholders and employees.

On December 14, 2005, the Company’s Compensation Committee of the Board of Directors recommended and the Company’s Board of Directors approved the acceleration of vesting of certain out-of-the-money unvested options to purchase shares of common stock of the Company with an exercise price greater than $38.55, the closing price of the Company’s common stock on such date, held by current employees, executive officers and directors of the Company. A total of 4,438,000 options with exercise prices ranging between $41.45 and $50.00 became immediately exercisable. The other terms of the accelerated options remain unchanged. The acceleration of vesting of these out-of-money options was undertaken primarily to eliminate compensation expense the Company would otherwise have recognized in its Statement of Operations with respect to these options with the implementation of SFAS 123(R) which became effective for the Company on January 1, 2006.

Page 56 of 89

The Company also maintains three additional equity compensation plans which have non-qualified stock options outstanding, but these plans have been terminated. The terminated plans are the Company Stock Option Plan, the 1997 Stock Option Plan, and the Non-employee Directors Plan. No options are available for grant from these terminated plans, and grants made under these plans continue in effect under the terms of the grant and the applicable plan. All of the Company’s equity compensation plans are administered by the Company’s Compensation Committee.

Prior to 2006, the Company accounted for its stock options based upon their intrinsic value on the date of grant pursuant to Accounting Principles Board Opinion No. 25 (APB 25), “Accounting for Stock Issued to Employees.” Beginning with the first quarter of 2006, the Company adopted SFAS 123(R). The Company uses the Black-Scholes option pricing model to determine the fair value of stock options. The determination of the fair value of stock options on the date of grant using an option-pricing model is affected by the price of the Company’s common stock as well as other variables. These variables include expected stock price volatility over the term of the awards, actual and projected employee stock exercise behaviors, risk-free interest rate and expected dividends. The Company primarily uses historical data to estimate the variables used in the option-pricing model except expected volatility. The Company uses a combination of historical and implied volatility in accordance with Staff Accounting Bulletin No. 107, “Share-Based Payment.” SFAS 123(R) also requires the Company to estimate forfeitures at the time of grant and revise those estimates in subsequent periods if actual forfeitures differ from those estimates. The Company uses historical data to estimate pre-vesting forfeitures and record stock-based compensation expense only for those awards that are expected to vest. Stock-based compensation is amortized over the requisite service periods of the awards, which are generally the vesting periods. The amount of stock-based compensation expense that is recognized in a given period is dependent upon management’s estimate of when the earnings per share targets are expected to be achieved. If this estimate proves to be inaccurate, the remaining amount of stock-based compensation expense could be accelerated, spread out over a longer period, or reversed.

The weighted average fair value of the Company’s stock options granted during 2006, 2005 and 2004 were $24.60, $19.34 and $20.57, respectively, using the following assumptions:


	2006		2005		2004
Expected term (in years)	7.20		7.80		7.00
Expected volatility	31.67	%	42.04	%	44.46	%
Expected dividend yield	0.41	%	0.57	%	0.48	%
Risk-free interest rate	4.64	%	4.43	%	3.93	%

The Company recognized $24,811 ($16,704, or $0.17 basic and $0.16 diluted earnings per share, net of deferred tax benefit of $8,107) of stock-based compensation expense in its Consolidated Financial Statements in 2006, which includes $9,024 ($5,961 after tax, or $0.06 basic and diluted earnings per share) of stock-based compensation expense as a result of a change in management’s estimate of when the earnings per share targets would be met. As of December 31, 2006, there was approximately $61,585 of unrecognized compensation cost remaining, adjusted for estimated forfeitures, related to unvested employee stock options. The Company estimates that compensation cost will be recognized according to the following schedule:


Period	Stock-Based Compensation Expense


2007	$	24,491
2008		11,948
2009		11,674
2010		3,919
2011		3,840
2012		3,786
2013		1,927

	$	61,585

Page 57 of 89

Prior to the adoption of SFAS 123(R), all tax benefits for deductions resulting from the exercise of stock options were presented as operating cash flows on the Consolidated Statement of Cash Flows. SFAS 123(R) requires the benefits of tax deductions to be reported as a financing cash flow, rather than as an operating cash flow. This requirement reduced net operating cash flows and increased net financing cash flows in periods after adoption. Total cash flow will remain unchanged from what would have been reported under prior accounting rules.

The following table presents the pro-forma effects on net income and earnings per common share for the years ended December 31, 2005 and 2004 if the Company had recognized compensation expense relating to its employee stock options under the provision of SFAS 123:


Year Ended December 31,	2005			2004
Net Income:
As reported	$	188,344		$	169,021
Deduct: Total stock-based employee expense determined under the fair value based method for all awards, net of related tax effects (1)		(41,842	)		(14,274	)

Pro forma	$	146,502		$	154,747

Basic earnings per common share
As reported	$	1.88		$	1.63
Pro forma	$	1.46		$	1.50

Diluted earnings per common share
As reported	$	1.83		$	1.60
Pro forma	$	1.42		$	1.46

(1)

For the year ended December 31, 2005, includes incremental expense of $28,357 (net of related tax effects) associated with the acceleration of vesting of out-of-money options in December 2005.

This table presents certain information relating to the Company’s stock option plans for 2006, 2005, and 2004:


	Number of Shares		Weighted Avg. Price
	Number of Shares		Weighted Avg. Price
Balance as of December 31, 2003	14,489,000		$	23.51
Granted	2,524,000			41.76
Exercised	(1,350,000	)		6.97
Expired or canceled	(456,000	)		32.57

Balance as of December 31, 2004	15,207,000		$	27.73
Granted	2,259,000			38.48
Exercised	(771,000	)		9.84
Expired or canceled	(417,000	)		33.79

Balance as of December 31, 2005	16,278,000		$	29.92
Granted	1,787,000			58.92
Exercised	(2,655,000	)		15.88
Expired or canceled	(753,000	)		35.75

Balance as of December 31, 2006	14,657,000		$	35.70

Exercisable as of December 31, 2006	8,625,000		$	31.66

Available for future grant as of December 31, 2006	3,061,000			—

Page 58 of 89

As of December 31, 2005 and 2004, there were 9,457,000 and 5,736,000 shares exercisable, respectively. The expiration dates for options at December 31, 2006 range from April 24, 2007 to December 13, 2016 with a weighted average remaining contractual life of 6.5 years.

Upon exercise of stock options, the Company will issue new shares of its common shares. The Company does not hold any shares in treasury. The total intrinsic value of options exercised during 2006 was $88,235. The aggregate intrinsic value of options outstanding and options exercisable as of December 31, 2006 was $349,735 and $240,634, respectively. The total intrinsic value for options outstanding and options exercisable is calculated as the difference between the market value of the Company’s common stock as of December 31, 2006 and the exercise price of the shares. The market value of the Company’s common stock as of December 29, 2006 was $59.56 as reported by the Nasdaq Stock Market, Inc.

This table summarizes information relating to all options outstanding at December 31, 2006:


	Options Outstanding at December 31, 2006				Options Exercisable at December 31, 2006
Range of Exercise Prices (Per Share)	Number of Shares	Weighted Average Exercise Price (Per Share)		Weighted Average Remaining Contractual Life (Years)	Number Of Shares	Weighted Average Exercise Price (Per Share)		Weighted Average Remaining Contractual Life (Years)





$ 3.25 - $ 28.90	2,736,000	$	15.15	2.3	2,716,000	$	15.06	2.3
29.42 - 29.56	3,875,000		29.49	6.5	1,937,000		29.49	6.5
30.01 - 42.33	2,472,000		37.66	8.7	189,000		32.95	7.0
42.86 - 46.64	2,933,000		43.05	7.0	2,895,000		43.01	7.0
50.00 - 59.21	2,641,000		56.09	8.0	888,000		50.00	4.0

	14,657,000				8,625,000

The Company has elected the “short-cut” method to calculate the historical pool of windfall tax benefits as permitted by FASB Staff Position No. FAS 123(R)-3, “Transition Election Related to Accounting for the Tax Effects of Share-Based Payment Awards.” As of December 31, 2006, there was $102,665 available in the pool of windfall tax benefits.

Employee Stock Purchase Plan

The Company has an employee stock purchase plan that provides for offerings of common stock to eligible employees at a price equal to 85 percent of the fair market value of the stock at the end of the stock purchase period, as defined. The Company has reserved 7,800,000 shares for issuance under this plan. At December 31, 2006, 5,416,000 cumulative shares have been issued.

Common Stock Buyback

The Board of Directors has authorized the purchase of the Company’s common stock on the open market or through private transactions of up to an aggregate of $1,153,365. Through December 31, 2006, a total of 120,931,000 shares at an aggregate cost of $1,111,110 have been purchased and retired. The Company purchased 2,345,000 shares at a cost of $109,734 during 2006.

The Company immediately retires its common stock when purchased. Upon retirement, the Company reduces Capital in excess of par value for the average capital per share outstanding and the remainder is charged against Retained earnings. If the Company reduces its Retained earnings to zero, any subsequent purchases of common stock will be charged entirely to Capital in excess of par value.

Page 59 of 89

Shareholders’ Rights Plan

On December 10, 1998, the Company’s Board of Directors adopted a Shareholder Rights Plan (the Rights Plan) to deter coercive or unfair takeover tactics and to prevent a person or group (an Acquiring Person) from acquiring control of the Company without offering a fair price to all shareholders. Under the Rights Plan, all common shareholders receive one Right for each common share outstanding. Each Right entitles the registered holder to purchase from the Company one two-thousandths of a share of Series A Junior Participating Preferred Shares, $.05 par value per share, at a purchase price of $500 per share. The Rights will become exercisable and trade separately from the common stock ten days following a public announcement that an Acquiring Person has beneficial ownership of 20 percent or more of the outstanding common stock or the commencement of a tender or exchange offer that would result in an Acquiring Person owning 20 percent or more of the outstanding common stock. Upon exercise, holders, other than an Acquiring Person, will have the right to purchase the common stock of the Company equal to twice the value of the exercise price of the Rights. If the Company is involved in certain other mergers where its shares are exchanged or certain major sales of its assets occur, stockholders will be able to purchase the other party’s common shares in an amount equal to twice the value of the exercise price of the Rights. The Rights, which do not have voting rights, will expire on December 19, 2008, and may be redeemed by the Company any time until ten days following the announcement of an Acquiring Person at a price of $.01 per Right.

Dividends

On May 24, 2006, the Board of Directors declared a cash dividend of $.12 per share on the Company’s common stock, which was paid on June 22, 2006, to shareholders of record on June 8, 2006. On December 13, 2006, the Board of Directors declared a cash dividend of $.12 per share on the Company’s common stock, which was paid on January 19, 2007, to shareholders of record on January 3, 2007.

The dividends declared in 2006, 2005, and 2004 were $23,726, $21,924, and $20,527, respectively. The Board of Directors has indicated its intention to pay future dividends on a semiannual basis.

Note 9 - Employee Benefit Plan:

The Company has a tax-qualified defined contribution plan (the Plan). The Plan provides retirement benefits, including provisions for early retirement and disability benefits, as well as a tax-deferred savings feature. After satisfying certain requirements, participants are vested in employer contributions at the time the contributions are made. All Company contributions are discretionary and are made from available profits. The Company contributed $4,164, $3,804, and $3,404 to the Plan in 2006, 2005, and 2004, respectively.

Note 10 - Commitments and Contingencies:

The Company leases certain of its facilities, data processing equipment, and software under non-cancelable operating leases, some which contain escalation clauses for increased taxes and operating expenses. The Company has entered into maintenance agreements primarily for its data processing equipment. Rent expense was $17,977, $13,437, and $12,728 in 2006, 2005, and 2004, respectively.

The aggregate noncancellable minimum commitments at December 31, 2006, other than those related to the lines of credit and long-term debt, are:


2007	$	10,769
2008		7,180
2009		4,017
2010		3,907
2011		2,155
2012 and thereafter		12,402

	$	40,430

Page 60 of 89

In the ordinary course of business, the Company from time to time enters into contracts containing indemnification obligations of the Company. These obligations may require the Company to make payments to another party upon the occurrence of certain events including the failure by the Company to meet its performance obligations under the contract. These contractual indemnification provisions are often standard contractual terms of the nature customarily found in the type of contracts entered into by the Company. In many cases, there are no stated or notional amounts included in the indemnification provisions. There are no amounts reflected on the Consolidated Balance Sheets as of December 31, 2006 and 2005 related to these indemnifications.

In the normal course of business, the Company is party to various claims and legal proceedings. On September 30, 2004, SIDCO was named as a defendant in a putative consolidated amended class action complaint filed in the United States District Court for the District of Maryland titled “Stephen Carey v. Pilgrim Baxter & Associates, LTD, et. al.” This complaint was purportedly made on behalf of all persons that purchased or held PBHG mutual funds during the period from November 1, 1998 to November 13, 2003 and related generally to various market timing practices allegedly permitted by the PBHG Funds. The complaint alleged that SIDCO was the named distributor/underwriter from November 1998 until July 2001 for various PBHG funds in which market timing allegedly occurred during that period. In 2006, the plaintiffs submitted a proposed form of order dismissing SIDCO from the action, but the Court has not yet acted on the proposed order. The Company had not made any provision relating to this legal proceeding.

In April, 2005, the Company and SIMC were named as defendant in a complaint (the “Vermeg Complaint”) filed by Vermeg Services S.A.R.L. (“Vermeg”), a Tunisian company, in the United States District Court for the Eastern District of Pennsylvania. SIMC terminated a software license and services contract with Vermeg in March, 2005 citing failure of the Vermeg software to meet acceptance and performance criteria under the contract. The Vermeg Complaint sought monetary damages which it alleged arose out of the purported breach of such contract by the Company and SIMC as well as various other relief arising from the alleged misappropriation of Vermeg software and related information that Vermeg alleged was proprietary to Vermeg. In December, 2005, the Company entered into an agreement with Vermeg to settle the complaint. As part of the settlement and mutual release agreement, the Company made a one-time payment, which was expensed in the fourth quarter 2005, to Vermeg in the amount of $4,250. The payment was for services previously rendered to the Company and for a perpetual pre-paid license to use certain Vermeg technology.

Note 11 - Income Taxes:

The federal and state income tax provision is summarized as follows:


Year Ended December 31,	2006			2005		2004
Current
Federal	$	97,832		$	73,101	$	71,032
State		7,068			4,888		4,371
Foreign		4,346			2,658		1,311

		109,246			80,647		76,714

Deferred, including current deferred
Federal		12,767			20,668		16,030
State		(247	)		5,550		3,366

		12,520			26,218		19,396

Total income taxes	$	121,766		$	106,865	$	96,110

Annual tax provisions include amounts considered sufficient to pay assessments that may result from examination of prior year tax returns; however, the amount ultimately paid upon resolution of issues raised may differ materially from the amount accrued. The examination and the resolution process may last longer than a year.

Page 61 of 89

The effective income tax rate differs from the Federal income tax statutory rate due to the following:


Year Ended December 31,	2006		2005		2004
Statutory rate	35.0	%	35.0	%	35.0	%
State taxes, net of Federal tax benefit	1.5		2.3		1.9
Foreign tax expense and tax rate differential	0.1		—		0.1
Research and development tax credit	(0.9	)	(1.1	)	(1.2	)
Valuation allowance on capital losses, PA loss carryforwards and other, net	(1.8	)	—		0.5

	33.9	%	36.2	%	36.3	%

Undistributed earnings of the Company’s foreign subsidiaries amounted to approximately $27,831 at December 31, 2006. Those earnings are considered to be indefinitely reinvested and, accordingly, no U.S. federal and state income taxes have been provided thereon. Upon distribution of those earnings, in the form of dividends or otherwise, the Company would be subject to both U.S. income taxes (subject to an adjustment for foreign tax credits) and withholding taxes payable to the various foreign countries. Determination of the amount of unrecognized deferred U.S. income tax liability is not practicable because of the complexities associated with its hypothetical calculation, including the availability, or lack thereof, of foreign tax credits to reduce a portion of the U.S. liability.

The Company has unutilized foreign tax credits of $2,097 at December 31, 2006, of which $366 will expire on December 31, 2015 and the remaining $1,731 will expire on December 31, 2016.

Deferred income taxes for 2006, 2005, and 2004 reflect the impact of temporary differences between the amount of assets and liabilities for financial reporting purposes and such amounts as measured by tax laws and regulations. Principal items comprising the deferred income tax provision are:


Year Ended December 31,	2006			2005			2004
Difference in financial reporting and income tax depreciation methods	$	(562	)	$	(287	)	$	3,318
Reserves not currently deductible		989			1,048			1,391
Capitalized software currently deductible for tax purposes, net of amortization		22,170			21,294			12,150
State deferred income taxes		(161	)		3,608			2,188
Revenue and expense recognized in different periods for financial reporting and income tax purposes		(276	)		975			315
Stock-based compensation expense		(8,518	)		—			—
Other, net		(1,122	)		(420	)		34

	$	12,520		$	26,218		$	19,396

Page 62 of 89

The net deferred income tax liability is comprised of:


Year Ended December 31,	2006			2005
Current deferred income taxes:
Gross assets	$	15,931		$	7,318
Gross liabilities		—			—

		15,931			7,318

Long-term deferred income taxes:
Gross assets		20,468			9,862
Gross liabilities		(86,223	)		(58,989	)

		(65,755	)		(49,127	)
Valuation allowance		(10,393	)		(9,862	)

		(76,148	)		(58,989	)

Net deferred income tax liability	$	(60,217	)	$	(51,671	)

The valuation allowance against deferred tax assets at December 31, 2006 and 2005 are related to capital losses, foreign tax credit carryovers and net operating losses from certain domestic and foreign subsidiaries. Certain state tax statutes significantly limit the utilization of net operating losses for domestic subsidiaries. Furthermore, these net operating losses cannot be used to offset the net income of other subsidiaries. During 2006, management concluded an analysis which determined that a portion of the Pennsylvania net operating loss carryforward could be used to offset future tax liabilities.

The tax effect of significant temporary differences representing deferred tax assets (liabilities) is:


Year Ended December 31,	2006			2005
Difference in financial reporting and income tax depreciation methods	$	(7,967	)	$	(8,610	)
Reserves not currently deductible		1,428			1,195
Capitalized software currently deductible for tax purposes, net of amortization		(79,341	)		(50,086	)
State deferred income taxes		1,667			3,515
Revenue and expense recognized in different periods for financial reporting and income tax purposes		3,739			2,603
Unrealized holding gain on investments		(611	)		(160	)
Stock-based compensation expense		10,532			—
State net operating loss carryforward		10,075			—
Other, net		261			(128	)

Net deferred income tax liability	$	(60,217	)	$	(51,671	)

Note 12 – Business Segment Information:

The Company defines its business segments in accordance with Statement of Financial Accounting Standards No. 131 (SFAS 131), “Disclosures about Segments of an Enterprise and Related Information.” SFAS 131 establishes standards for the way public business enterprises report financial information about business segments in financial statements. SFAS 131 also requires additional disclosures about products and services, geographic areas, and major customers. The accounting policies of the reportable business segments are the same as those described in Note 1.

Page 63 of 89

The Company reorganized its business segments in 2006 to better align new and existing solutions and corresponding processes and also began a process to consolidate certain business activities into new, globally-managed segments when deemed appropriate. The following changes were made to the business segments in 2006: the global institutional business within the Investments in New Businesses segment is included in the Enterprises segment, the franchise offering within the Investment Advisors segment is included in the Investments in New Businesses segment, and the registered mutual fund processing business within the Private Banking and Trust segment is now included in the Money Managers segment. For comparability, the prior period’s results have been reclassified to reflect the realignment of the business segments.

As a result of consolidating the operations of LSV in 2006, LSV will be reported as a business segment. The operating results of LSV were previously reported in Equity in the earnings of unconsolidated affiliate and were not included in any business segment. The Company’s reportable business segments are:

Private Banking and Trust – provides investment processing and investment management programs to banks and other trust institutions located in the United States and Canada;

Enterprises – provides investment management programs and administrative outsourcing solutions for retirement plan sponsors and not-for-profit organizations globally;

Money Managers – provides fund investment processing and institutional and separate account operations outsourcing solutions to banks, investment managers and mutual fund companies located in the United States and to investment managers worldwide of alternative asset classes such as hedge funds, fund of funds, and private equity funds;

LSV Asset Management – is a registered investment advisor that provides investment advisory services to institutions, including pension plans and investment companies.

In 2007, the structure of two of the Company’s business segments will change to consolidate certain business activities into globally-managed segments. The investment management programs and services offered to global private banks of the Investments in New Businesses segment will move to the Private Banking & Trust segment effective January 1, 2007. Additionally, the names of three of our business segments will be changing in 2007. The Private Banking & Trust business segment will be renamed as Private Banks, the Enterprises business segment will be renamed as Institutional Investors, and the Money Managers business segment will be renamed as Investment Managers.

The following tables highlight certain financial information about each of the Company’s business segments for the years ended December 31, 2006, 2005, and 2004:


2006	Private Banking and Trust			Investment Advisors			Enterprises			Money Managers			Investments In New Businesses			LSV			Total
Revenues	$	283,191		$	225,716		$	164,962		$	118,964		$	91,795		$	291,121		$	1,175,749
Expenses (1)		183,727			111,907			106,377			90,799			118,253			178,727			789,790

Operating profit (loss)	$	99,464		$	113,809		$	58,585		$	28,165		$	(26,458	)	$	112,394		$	385,959
Profit margin		35	%		50	%		36	%		24	%		(29	)%		39	%		33	%

Page 64 of 89


2005	Private Banking and Trust			Investment Advisors			Enterprises			Money Managers			Investments In New Businesses			LSV		Total
Revenues	$	266,129		$	203,423		$	132,013		$	103,272		$	68,170		$	—	$	773,007
Expenses		168,773			87,857			89,022			85,595			95,909			—		527,156

Operating profit (loss)	$	97,356		$	115,566		$	42,991		$	17,677		$	(27,739	)	$	—	$	245,851

Profit margin		37	%		57	%		33	%		17	%		(41	)%		—		32	%


2004	Private Banking and Trust			Investment Advisors			Enterprises			Money Managers			Investments In New Businesses			LSV		Total
Revenues	$	262,839		$	180,220		$	96,636		$	104,673		$	47,901		$	—	$	692,269
Expenses		158,255			77,349			67,152			79,025			70,885			—		452,666

Operating profit (loss)	$	104,584		$	102,871		$	29,484		$	25,648		$	(22,984	)	$	—	$	239,603

Profit margin		40	%		57	%		31	%		25	%		(48	)%		—		35	%

(1)

For the year ended December 31, 2006, the Investments in New Businesses segment includes $5,234 of minority interest of other shareholders relating to a joint venture. LSV includes $153,381 of minority interest of the other partners of LSV.

A reconciliation of the total reported for the business segments to income before income taxes in the Consolidated Statements of Operations for the years ended December 31, 2006, 2005, and 2004 is as follows:


Year Ended December 31,	2006			2005			2004
Total operating profit from segments above	$	385,959		$	245,851		$	239,603

Corporate overhead expenses		(38,842	)		(33,898	)		(30,153	)
LSV Employee Group (2)		(7,281	)		—			—
Net (loss) gain from investments		(2,378	)		87			3,848
Equity in earnings of unconsolidated affiliate		—			74,818			45,711
Interest and dividend income		13,521			8,367			4,545
Interest expense		(5,464	)		(1,524	)		(2,112	)
Other income		1,588			1,508			3,689
Minority interest of LSV Employee Group (3)		11,653			—			—

Income before taxes	$	358,756		$	295,209		$	265,131

(2)

Amortization costs of intangible assets and certain other assets of LSV Employee Group (See Note 2).

(3)

For the year ended December 31, 2006, includes $7,281 in amortization costs, $57 in interest income and $4,429 in interest expense from the consolidation of the accounts of LSV Employee Group. The total of these items, a net expense of $11,653, is included in Minority interest since the Company does not have any ownership interest in LSV Employee Group.

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The following tables provide additional information for the years ended December 31, 2006, 2005, and 2004 as required by SFAS 131 pertaining to our business segments:


	Capital Expenditures						Depreciation and Amortization
Year Ended December 31,	2006		2005		2004		2006		2005		2004
Private Banking and Trust	$	51,950	$	41,565	$	27,673	$	11,628	$	9,246	$	8,828
Investment Advisors		21,345		16,969		9,212		3,001		2,352		2,453
Enterprises		10,461		7,976		4,408		1,241		1,221		749
Money Managers		6,553		5,476		2,941		1,946		1,812		1,376
Investments in New Businesses		9,475		6,457		4,319		2,485		1,600		1,636
LSV		210		—		—		747		—		—

Total from business segments	$	99,994	$	78,443	$	48,553	$	21,048	$	16,231	$	15,042
LSV Employee Group		—		—		—		7,281		—		—
Corporate Overhead (3)		6,128		4,873		2,645		818		1,354		1,141

	$	106,122	$	83,316	$	51,198	$	29,147	$	17,585	$	16,183


Year Ended December 31,	Stock-Based Compensation
Year Ended December 31,	2006 (4)		2005		2004
Private Banking and Trust	$	6,315	$	—	$	—
Investment Advisors		4,158		—		—
Enterprises		3,776		—		—
Money Managers		2,838		—		—
Investments in New Businesses		4,831		—		—
LSV		—		—		—
Corporate Overhead (3)		2,893		—		—

	$	24,811	$	—	$	—


	Total Assets
	2006		2005		2004
Private Banking and Trust	$	198,944	$	162,433	$	152,476
Investment Advisors		96,594		81,834		104,730
Enterprises		71,665		55,251		48,265
Money Managers		66,110		52,571		46,104
Investments in New Businesses		147,488		93,747		70,125
LSV		157,366		—		—

Total from business segments	$	738,167	$	445,836	$	421,700
LSV Employee Group		85,045		—		—
Corporate Overhead (3) (5)		256,493		211,311		193,775

	$	1,079,705	$	657,147	$	615,475

(3)

(4)

The Company adopted the provisions of SFAS 123(R) beginning in 2006 (See Note 8).

(5)

Unallocated assets primarily consist of cash and cash equivalents, deferred tax assets, and certain other shared services assets.

Page 66 of 89

The following table presents revenues based on the location of the use of the products or services:


For the Year Ended December 31,	2006		2005		2004
United States	$	1,042,511	$	664,907	$	618,457
International operations		133,238		108,100		73,812

	$	1,175,749	$	773,007	$	692,269

The following table presents assets based on their location:


	2006		2005		2004
United States	$	968,791	$	557,281	$	539,677
International operations		110,914		99,866		75,798

	$	1,079,705	$	657,147	$	615,475

Note 13 - Related Party Transactions:

The Company, either by itself or through its wholly-owned subsidiaries, is a party to Investment Advisory and Administration Agreements with regulated investment companies (RICs) and other company-sponsored investment products which are administered by the Company. These investment products are offered to clients of the Company and its subsidiaries. Under the Investment Advisory and Administration Agreements, the Company receives a fee for providing investment advisory, administrative, and accounting services. The investment advisory and administration fee is a fixed percentage, referred to as basis points, of the average daily net assets, subject to certain limitations. Investment advisory and administration fees received by the Company totaled $391,104, $340,939, and $307,439, in 2006, 2005, and 2004, respectively. The Company is also a party to various agreements with several RICs which are advised and/or administered by the Company. The Company receives a fee for providing shareholder, administrative and distribution services pursuant to the provisions of various Rule 12b-1 Plans adopted by the RICs. These fees totaled $57,335, $48,476, and $43,906 in 2006, 2005, and 2004, respectively. A portion of the transaction costs incurred by the RICs for securities transactions are directed to the Company’s broker-dealer subsidiary in its capacity as an introducing broker-dealer. The Company recognized $2,419, $2,744, and $2,273 in commissions during 2006, 2005, and 2004, respectively.

Note 14 - Quarterly Financial Data (Unaudited):


	For the Three Months Ended
2006	March 31		June 30		Sept. 30		Dec. 31
Revenues	$	277,133	$	285,018	$	298,084	$	315,514
Income before income taxes	$	86,740	$	85,238	$	88,724	$	98,054
Net income	$	54,906	$	57,911	$	60,549	$	63,624
Basic earnings per common share	$	.56	$	.59	$	.61	$	.64
Diluted earnings per common share	$	.54	$	.57	$	.60	$	.62

In 2006, our effective income tax rates were 36.7 percent in the first quarter, 32.1 percent in the second quarter, 31.8 percent in the third quarter and 35.1 percent in the fourth quarter.

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2005	For the Three Months Ended
2005	March 31		June 30		Sept. 30		Dec. 31
Revenues	$	185,681	$	190,080	$	193,659	$	203,587
Income before income taxes	$	68,833	$	69,364	$	76,677	$	80,335
Net income	$	43,709	$	44,184	$	49,196	$	51,255
Basic earnings per common share	$	.43	$	.44	$	.49	$	.52
Diluted earnings per common share	$	.42	$	.43	$	.48	$	.50

Page 68 of 89

SEI INVESTMENTS COMPANY AND SUBSIDIARIES

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES

FOR THE THREE YEARS ENDED DECEMBER 31, 2006, 2005, AND 2004


Description			Additions
Description	Balance at Beginning of Year		Charged to Costs and Expenses		Charged to Other Accounts		(Deductions)			Balance at End of Year
Allowance for doubtful accounts:

2006	$	1,520	$	1,210	$	—	$	—		$	2,730
2005		1,800		—		—		(280	)		1,520
2004		1,700		100		—		—			1,800

Deferred income tax valuation allowance:

2006(1)	$	9,862	$	—	$	6,375	$	(5,844	)	$	10,393
2005		9,369		—		493		—			9,862
2004		8,514		855		—		—			9,369

(1)

The addition to the deferred income tax valuation allowance is a result recent Pennsylvania legislation which increased the annual limitation of the usage of net operating loss carryforwards and increased foreign tax credit carryforwards. The deduction to the deferred income tax valuation allowance is a result of an increase in the projected usage of the Pennsylvania net operating loss carryforward to offset deferred tax liabilities.

Page 69 of 89

Item 9.

Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.

None.

Item 9A.

Controls and Procedures.

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our disclosure controls and procedures, as such term is defined under Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, as amended (the Exchange Act), as of the end of the period covered by this report. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this annual report to provide reasonable assurance that the information required to be disclosed by us in reports filed under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by an issuer in the reports that it files or submits under the Act is accumulated and communicated to the issuer’s management including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

Management’s Report on Internal Control over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f). Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on our evaluation under the framework in Internal Control – Integrated Framework, our management concluded that our internal control over financial reporting was effective as of December 31, 2006.

Our management’s assessment of the effectiveness of our internal control over financial reporting as of December 31, 2006 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their report which is included herein.

Changes in Internal Control over Financial Reporting

No change in our internal control over financial reporting occurred during the quarter ended December 31, 2006 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Item 9B.

Other Information.

None.

Page 70 of 89

PART III

Item 10.

Directors, Executive Officers and Corporate Governance.

Identification of Directors

Information with respect to the members of the Board of Directors of the Company is set forth under the caption “Election of Directors” in the Company’s definitive proxy statement to be filed pursuant to Regulation 14A, which information is incorporated herein by reference.

Identification of Executive Officers

The Board of Directors of the Company has determined that the Company’s executive officers within the meaning of Rule 3b-7 promulgated under the Securities Exchange Act of 1934, as amended, are as follows:

ALFRED P. WEST, JR., 64, has been the Chairman of the Board of Directors and Chief Executive Officer of the Company since its inception in 1968. Mr. West was President from June 1979 to August 1990.

ROBERT F. CRUDUP, 59, has been an employee of the Company since 1987. Mr. Crudup has been an Executive Vice President since January 2001.

KARL F. DASHER, 37, has been an employee of the Company since February 1994. Mr. Dasher has been Chief Investment Officer since February 2004 and an Executive Vice President since May 2006.

KATHY C. HEILIG, 48, has been an employee of the Company since November 1987. Ms. Heilig has been Chief Accounting Officer and Controller since May 1999. Ms. Heilig was Treasurer from May 1997 to May 2005.

N. JEFFREY KLAUDER, 54, has been Executive Vice President and General Counsel of the Company since August 2004. Prior to May 2000 and from September 2003 until August 2004, Mr. Klauder was a partner of Morgan Lewis & Bockius, LLP, a law firm, and from May 2000 until September 2003, Mr. Klauder was Managing Director and General Counsel of Safeguard Scientifics, Inc., an information technology and life sciences company.

EDWARD D. LOUGHLIN, 56, has been an employee of the Company since September 1979. Mr. Loughlin has been an Executive Vice President since May 1993 and a Senior Vice President since January 1988.

DENNIS J. MCGONIGLE, 46, has been an employee of the Company since August 1985. Mr. McGonigle has been the Chief Financial Officer since December 2002 and an Executive Vice President since July 1996 and a Senior Vice President since May 1995.

STEPHEN G. MEYER, 42, has been an employee of the Company since November 1992. Mr. Meyer has been an Executive Vice President since December 2006 and a Senior Vice President since December 2005.

JOSEPH P. UJOBAI, 45, has been an employee of the Company since May 1998. Mr. Ujobai has been an Executive Vice President since May 2003 and a Senior Vice President since January 2001.

WAYNE M. WITHROW, 51, has been an employee of the Company since January 1990. Mr. Withrow has been an Executive Vice President since March 2000 and a Senior Vice President since January 1994. Mr. Withrow was Chief Information Officer from March 2000 to May 2002.

Section 16(a) Beneficial Ownership Reporting Compliance

Information with respect to the Section 16(a) compliance of the directors and executive officers of the Company is set forth under the caption “Section 16(a) Beneficial Ownership Reporting Compliance” in the Company’s definitive proxy statement to be filed pursuant to Regulation 14A, which information is incorporated herein by reference.

Code of Conduct

The Company has adopted a Code of Conduct applicable to all of its employees, including its executive officers, as well as a Code of Ethics for Senior Financial Officers. The Code of Conduct and the Code of Ethics for Senior Financial Officers is posted on our website, www.seic.com under the Corporate Governance section.

Page 71 of 89

Item 11.

Executive Compensation.

Information required by this item is set forth under the caption “Executive Compensation” in the Company’s definitive proxy statement to be filed pursuant to Regulation 14A, which information is incorporated herein by reference.

Item 12.

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

Information required by this item is set forth under the caption “Ownership of Shares” in the Company’s definitive proxy statement to be filed pursuant to Regulation 14A, which information is incorporated herein by reference.

The following table provides information regarding the aggregate number of securities to be issued under all of our equity compensation plans upon exercise of outstanding options, warrants, and other rights and their weighted-average exercise price as of December 31, 2006. Material features of each of the plans reflected in the table are described below.


	Number of securities to be issued upon exercise of outstanding options, warrants and rights (a)	Weighted –average exercise price of outstanding options, warrants and rights (b)		Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (c)
Equity compensation plans approved by security holders (1)	14,263,871	$	36.49	3,061,188
Equity compensation plans not approved by security holders (2)	392,750		7.03	—

Total	14,656,621	$	35.70	3,061,188

(1)	Consists of: (i) the Amended and Restated 1998 Equity Compensation Plan, (ii) the SEI Investments Company Stock Option Plan, and (iii) the SEI Investments Company Stock Option Plan for Non-Employee Directors.

(2)

Consists solely of the SEI Investments Company 1997 Stock Option Plan (the “1997 Plan”). In December 1997, our Board of Directors adopted the 1997 Plan. At the time of its initial approval, the 1997 Plan was not submitted to, nor was it required to be submitted to, our shareholders for approval. The 1997 Plan was terminated by our Board of Directors in May 1998, and no further options may be granted under the 1997 Plan. However, options granted under the 1997 Plan prior to its termination continue in effect under the terms of the grant and the 1997 Plan. No officers or employee members of the Board of Directors of the Company or its affiliates were eligible to receive grants under the 1997 Plan.

The 1998 Equity Compensation Plan:

On May 21, 1998, the Board of Directors adopted the 1998 Equity Compensation Plan, and the Company’s shareholders approved the adoption of the 1998 Equity Compensation Plan in May 1998. The Board of Directors has made certain amendments to the 1998 Equity Compensation Plan after its adoption that did not require shareholder approval. The 1998 Equity Compensation Plan was most recently amended and restated in May 2003 (as so amended and restated, the “1998 Plan”). The 1998 Plan provides for grants of stock options (incentive stock options and nonqualified stock options), stock appreciation rights, restricted stock and performance units to all employees (including employees who are also directors) of the Company or its subsidiaries, consultants and advisors who perform valuable services to the Company or its subsidiaries and members of the Board of Directors who are not employees of the Company. The Company has not granted any incentive stock options, stock appreciation rights, restricted stock or performance units to date under the 1998 Plan.

Page 72 of 89

With respect to grants other than automatic grants to non-employee directors, the Compensation Committee has the authority to determine the individuals who will receive grants, the type of grant, the number of shares and the terms of the grant, the time the grants will be made and the duration of any exercise or restriction period, and to deal with any other matters arising under the 1998 Plan.

Options granted under the 1998 Plan may be “incentive stock options,” which are intended to qualify with the requirements of Section 422 of the Code, and “nonqualified stock options” which are not intended to so qualify. Options are granted under the 1998 Plan with an exercise price equal to the fair market value of the Company’s common stock on the date of grant and expire ten years from the date of grant. Stock options granted have performance vesting conditions based on the attainment of certain earnings per share targets established at the date of grant. The first performance condition determines vesting of 50 percent of the options, and a second performance condition determines the vesting of the remaining 50 percent of the options. The performance conditions are measured annually on December 31. Options granted prior to 2006 also could vest in their entirety seven years from the date of grant.

In addition to any discretionary grants which may be made to non-employee members of the Board of Directors under the 1998 Plan, the 1998 Plan also provides that non-employee directors receive automatic grants of non-qualified stock options. Each non-employee director who first becomes a member of the Board of Directors after the effective date of the 1998 Plan receives a non-qualified stock option to purchase 8,000 shares. In addition, each non-employee director receives an annual non-qualified stock option to purchase 4,000 shares pursuant to the 1998 Plan. The exercise prices for these options are equal to the fair market value of the Company’s stock on the date of grant, the term is ten years from the date of grant, and the options become exercisable ratably over the first four anniversaries of the date of grant (unless otherwise determined by the Compensation Committee).

If a change of control of the Company occurs, unless the Board of Directors determines otherwise, all outstanding stock options and stock appreciation rights will become fully exercisable, the restrictions and conditions on all outstanding restricted stock will lapse, and grantees holding performance units will receive a payment in settlement of the performance unit, in an amount determined by the Compensation Committee, based on the grantee’s target payment for the performance period and the portion of the performance period that precedes the change of control. Upon a change of control in which the Company is not the surviving corporation (or survives as a subsidiary of another corporation), unless the Board of Directors determines otherwise, all outstanding stock options and stock appreciation rights will be assumed by, or replaced with comparable options or rights by, the surviving corporation. The Board of Directors may also provide in the event of a change of control that grantees will (i) surrender their outstanding options in exchange for cash or Company stock in an amount equal to the difference between the exercise price for options, or the base amount for stock appreciation rights, and the fair market value of the stock, or (ii) terminate outstanding options and stock appreciation rights after giving grantees the right to exercise such grants. The Compensation Committee may limit the application of the change of control provisions to a grantee if certain conditions exist.

The Board of Directors may amend or terminate the 1998 Plan at any time, subject to shareholder approval, if required to comply with the provisions of the Internal Revenue Code, and the requirements of applicable securities laws and stock exchange rules. Unless terminated earlier by the Board of Directors or extended by the Board of Directors, with the approval of the Company’s shareholders, the 1998 Plan will terminate on May 20, 2008.

As of December 31, 2006, options to acquire 14,091,000 shares were outstanding under the 1998 Plan, out of a total of 20,222,000 shares of common stock reserved for issuance under the 1998 Plan. A total of approximately 3,061,000 shares of common stock remain available for issuance under the 1998 Plan for future grants.

The 1997 Stock Option Plan:

On December 4, 1997, the Board of Directors adopted the 1997 Stock Option Plan (the “1997 Plan”). At the time of its initial approval, the 1997 Plan was not submitted to, nor was it required to be submitted to, the Company’s shareholders for approval. The 1997 Plan was terminated by the Board of Directors in May 1998, and no further options may be granted. However, options granted under the 1997 Plan prior to its termination continue in effect under the terms of the grant and the 1997 Plan.

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The 1997 Plan only authorized the granting of nonqualified stock options. All employees (except officers and employee members of the Board of Directors) of the Company or its affiliates, consultants who perform services for the Company or its affiliates, and directors who are not employees of the Company were eligible to receive grants under the 1997 Plan. With respect to grants other than to non-employee directors, the Compensation Committee had the authority to determine the individuals who would receive grants, the number of shares and the terms of the grant, the time the grants would be made and the duration of any exercise period, and deal with any other matters arising under the 1997 Plan.

All options that were granted under the 1997 Plan to employees and consultants were granted at the fair market value of the Company’s common stock on the date of grant, become exercisable ratably upon the attainment of specific diluted earnings per share targets or in their entirety after seven years from the date of grant, and expire ten years from the date of grant.

The 1997 Plan provided that non-employee members of the Board of Directors would receive automatic grants of nonqualified stock options. Each non-employee director who first became a member of the Board of Directors after the effective date of the 1997 Plan, but before the termination of the 1997 Plan, received a non-qualified stock option to purchase 8,000 shares. In addition, each non-employee director received a non-qualified stock option to purchase 4,000 shares pursuant to the 1997 Plan. The exercise prices for these options were equal to the fair market value of the Company’s stock on the date of grant, the term is ten years from the date of grant, and the options became exercisable ratably over the first four anniversaries of the date of grant (unless otherwise determined by the Compensation Committee).

If the Company is consolidated or merged into another corporation, each optionee with an outstanding option under the 1997 Plan will receive, upon exercise of the option, the same consideration as other shareholders of the Company received in connection with the transaction. If all or substantially all of the assets of the Company are sold or exchanged (other than by merger or consolidation), each optionee will have the right to exercise the option in full within ten days after the Compensation Committee provides notice of the right to exercise the option, and any portion of the option not exercised will lapse.

As of December 31, 2006, options to acquire 393,000 shares were outstanding under the 1997 Plan, out of a total of 2,286,000 shares of common stock reserved for issuance under the 1997 Plan.

Additional Stock Option Plans:

The Company has several other plans that have terminated and no further options may be granted under these plans. Grants made under the Plans will continue in effect under the terms of the grants and Plans. Options previously granted under these plans that have not yet expired or otherwise become unexercisable continue to be administered under such plans, and any portions that expire or become unexercisable for any reason shall be cancelled and be unavailable for future issuance.

Item 13.

Certain Relationships and Related Transactions, and Director Independence.

Information required by this item is set forth under the captions “Election of Directors,” “Executive Compensation,” and “Director Compensation” in the Company’s definitive proxy statement to be filed pursuant to Regulation 14A, which information is incorporated herein by reference.

Item 14.

Principal Accounting Fees and Services.

Information required by this item is set forth under the caption “Ratification or Appointment of Independent Public Accountants” in the Company’s definitive proxy statement to be filed pursuant to Regulation 14A, which information is incorporated herein by reference.

Page 74 of 89

PART IV

Item 15.

Exhibits, Financial Statement Schedules.


1 and 2.		Financial Statements and Financial Statement Schedules. The following is a list of the Consolidated Financial Statements of the Company and its subsidiaries and supplementary data filed as part of Item 8 hereof:

		Report of Independent Registered Public Accounting Firm
		Consolidated Balance Sheets — December 31, 2006 and 2005
		Consolidated Statements of Operations — For the years ended December 31, 2006, 2005, and 2004
		Consolidated Statements of Shareholders’ Equity and Comprehensive Income — For the years ended December 31, 2006, 2005, and 2004
		Consolidated Statements of Cash Flows — For the years ended December 31, 2006, 2005, and 2004
		Notes to Consolidated Financial Statements
		Schedule II — Valuation and Qualifying Accounts and Reserves – For the years ended December 31, 2006, 2005, and 2004

		All other schedules are omitted because they are not applicable, or not required, or because the required information is included in the Consolidated Financial Statements or notes thereto.

3.		Exhibits, Including Those Incorporated by Reference. The exhibits to this Report are listed on the accompanying index to exhibits and are incorporated herein by reference or are filed as part of this Annual Report on Form 10-K.

Page 75 of 89

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.


		SEI INVESTMENTS COMPANY

Date	February 23, 2007	By	/s/ Dennis J. McGonigle
			Dennis J. McGonigle
			Chief Financial Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on dates indicated.


Date	February 23, 2007	By	/s/ Alfred P. West, Jr.
			Alfred P. West, Jr.
			Chairman of the Board,
			Chief Executive Officer, and Director

Date	February 23, 2007	By	/s/ Carmen V. Romeo
			Carmen V. Romeo
			Director

Date	February 23, 2007	By	/s/ Richard B. Lieb
			Richard B. Lieb
			Director

Date	February 23, 2007	By	/s/ William M. Doran
			William M. Doran
			Director

Date	February 23, 2007	By	/s/ Henry H. Porter, Jr.
			Henry H. Porter, Jr.
			Director

Date	February 23, 2007	By	/s/ Kathryn M. McCarthy
			Kathryn M. McCarthy
			Director

Date	February 23, 2007	By	/s/ Sarah W. Blumenstein
			Sarah W. Blumenstein
			Director

Date	February 23, 2007	By	/s/ Howard D. Ross
			Howard D. Ross
			Director

Date	February 23, 2007	By	/s/ Thomas W. Smith
			Thomas W. Smith
			Director

Page 76 of 89

EXHIBIT INDEX

The following is a list of exhibits filed as part of this annual report on Form 10-K. For exhibits incorporated by reference, the location of the exhibit in the previous filing is indicated in parentheses.


3.1		Articles of Incorporation of the Registrant as amended on January 21, 1983. (Incorporated by reference to exhibit 3.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1982.)

3.1.2		Amendment to Articles of Incorporation of the Registrant, dated May 21, 1992. (Incorporated by reference to exhibit 3.1.2 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1992.)

3.1.3		Amendment to Articles of Incorporation of the Registrant, dated May 26, 1994. (Incorporated by reference to exhibit 3.1.3 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1994.)

3.1.4		Amendment to Articles of Incorporation of the Registrant, dated November 21, 1996. (Incorporated by reference to exhibit 3.1.4 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1996.)

3.1.5		Amendment to Articles of Incorporation of the Registrant, dated February 14, 2001. (Incorporated by reference to exhibit 3.1.4 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2000.)

3.2		Amended and Restated By-Laws. (Incorporated by reference to exhibit 3.2.2 to the Registrant’s Current Report on Form 8-K dated February 1, 2006.)

4.1		Form of Certificate for Shares of Common Stock. (Incorporated by reference to exhibit 4.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1988.)

4.2		Rights Agreement dated December 10, 1998. (Incorporated by reference to exhibit 4.2 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1998.)

		Note: Exhibits 10.1 through 10.9 constitute the management contracts and executive compensatory plans or arrangements in which certain of the directors and executive officers of the Registrant participate.

10.1		Stock Option Plan, Amended, Restated and Renewed as of February 11, 1997. (Incorporated by reference to exhibit 99(a) to the Registrant’s Registration Statement on Form S-8 (No. 333-63709) filed September 18, 1998.)

10.1.1*		Amendment 2006-1 to the Stock Option Plan, Amended, Restated and Renewed as of February 11, 1997.

10.2		1997 Stock Option Plan. (Incorporated by reference to exhibit 99(b) to the Registrant’s Registration Statement on Form S-8 (No. 333-63709) filed September 18, 1998.)

10.2.1*		Amendment 2006-1 to the 1997 Stock Option Plan.

10.3		1997 Option Share Deferral Plan. (Incorporated by reference to exhibit 99(c) to the Registrant’s Registration Statement on Form S-8 (No. 333-63709) filed September 18, 1998.)

10.4		1998 Equity Compensation Plan, Amended and Restated as of April 8, 2003. (Incorporated by reference to exhibit 99.1 to the Registrant’s Registration Statement on Form S-8 (No. 333-111224) filed December 16, 2003.)

10.4.1*		Amendment 2006-1 to the 1998 Equity Compensation Plan, Amended and Restated as of April 8, 2003.

10.5		Employee Stock Purchase Plan as Amended and Restated on October 15, 1997. (Incorporated by reference to exhibit 99(e) to the Registrant’s Registration Statement on Form S-8 (No. 333-63709) filed September 18, 1998.)

10.6		SEI Capital Accumulation Plan. (Incorporated by reference to exhibit 99(e) to the Registrant’s Registration Statement on Form S-8 (No. 333-41343) filed December 2, 1997.)

10.7		Stock Option Plan for Non-Employee Directors. (Incorporated by reference to exhibit 10.12 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1988.)

10.7.1		Amendment 1997-1 to the Stock Option Plan for Non-Employee Directors. (Incorporated by reference to exhibit 10.5.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1997.)

10.7.2		1997 Option Share Deferral Plan for Non-Employee Directors. (Incorporated by reference to exhibit 99(d) to the Registrant’s Registration Statement on Form S-8 (No. 333-63709) filed September 18, 1998.)

10.8		Employment Agreement, dated May 25, 1979, between Alfred P. West, Jr. and the Registrant. (Incorporated by reference to exhibit 10.7 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1990.)

Page 77 of 89



10.9*		Employment Agreement, dated June 25, 2004, between N. Jeffrey Klauder and the Registrant.

10.11		Directors and Officers Liability Insurance Policy. (Incorporated by reference to exhibit 10.9 to the Registrant’s Registration Statement on Form S-8 (No. 2-78133) filed June 25, 1982.)

10.17		Note Purchase Agreement, dated as of February 24, 1997, with respect to the issuance by the Registrant of $20,000,000 7.20% Senior Notes, Series A, due February 24, 2007, and $15,000,000 7.27% Senior Notes, Series B, due February 24, 2012. (Incorporated by reference to exhibit 10.17 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1996.)

10.17.1		First Amendment, dated December 15, 1998, to Note Purchase Agreement, dated February 24, 1997. (Incorporated by reference to exhibit 10.17.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 1998.)

10.17.2		Second Amendment, dated February 19, 2003, to Note Purchase Agreement, dated February 24, 1997. (Incorporated by reference to exhibit 10.17.2 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2002.)

10.18		Term Loan Agreement, dated June 26, 2001 between Firstar Bank, National Association and the registrant. (Incorporated by reference to exhibit 10.18 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2001.)

10.18.1		First Amendment to the Loan Agreement, dated September 15, 2003, between SEI Investments Company and U.S. Bank National Association. (Incorporated by reference to exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2003.)

10.18.2		Second Amendment to the Loan Agreement, dated January 31, 2004, between SEI Investments Company and U.S. Bank National Association. (Incorporated by reference to exhibit 10.19.2 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2003.)

10.18.3		Third Amendment to the Loan Agreement, dated January 20, 2006, between SEI Investments Company and U.S. Bank National Association. (Incorporated by reference to exhibit 10.18.3 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2005.)

10.20		$200,000 Credit Agreement, dated September 14, 2004, among SEI Investments Company, the lenders thereto, JP Morgan Chase Bank, Wachovia Bank, National Association, Bank of America, N.A., Manufacturers and Traders Trust Company and PNC Bank, National Association. (Incorporated by reference to exhibit 99.1 to the Registrant’s Current Report on Form 8-K dated September 14, 2004.)

10.20.1		First Amendment, dated January 24, 2006, to $200,000 Credit Agreement, dated September 14, 2004. (Incorporated by reference to exhibit 10.2 to the Registrant’s Current Report on Form 8-K dated January 30, 2006.)

10.21		Guaranty and Collateral Agreement, dated as of January 24, 2006 by and among SEI Investments Company, LSV Employee Group, LLC, the Grantors party thereto and LaSalle Bank National Association as Administrative Agent (including the underlying Credit Agreement dated as of January 24, 2006 by and among LSV Employee Group, LLC, LSV Asset Management, the Lenders party thereto and LaSalle Bank National Association as Administrative Agent to which the Guaranty and Collateral Agreement relates). (Incorporated by reference to exhibit 10.1 to the Registrant’s Current Report on Form 8-K dated January 30, 2006.)

10.22		Credit Facility, dated January 14, 2003 between Royal Bank of Canada and SEI Investments Canada Company, a subsidiary of SEI Investments Company. (Incorporated by reference to exhibit 10.22 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2005.)

10.22.1		First Amendment, dated June 15, 2005 to Credit Facility, dated January 14, 2003 between Royal Bank of Canada and SEI Investments Canada Company, a subsidiary of SEI Investments Company. (Incorporated by reference to exhibit 10.22.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2005.)

10.22.2		Second Amendment, dated February 20, 2006 to Credit Facility, dated January 14, 2003 between Royal Bank of Canada and SEI Investments Canada Company, a subsidiary of SEI Investments Company. (Incorporated by reference to exhibit 10.22.2 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2005.)

14		Code of Ethics for Senior Financial Officers. (Incorporated by reference to exhibit 14 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2003.)

21*		Subsidiaries of the Registrant.

23.1*		Consent of Independent Registered Public Accounting Firm.

23.2		Consent of Independent Accountants. (Incorporated by reference to exhibit 23.2 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2005.)

31.1*		Rule 13a-15(e)/15d-15(e) Certification of Chief Executive Officer.

31.2*		Rule 13a-15(e)/15d-15(e) Certification of Chief Financial Officer.

32*		Section 1350 Certifications.

99		Miscellaneous exhibit. (Incorporated by reference to exhibit 99.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2003.)

Page 78 of 89



99.1		Financial Statements of LSV Asset Management. (Incorporated by reference to exhibit 99.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2005.)

*	Filed herewith as an exhibit to this Annual Report on Form 10-K.

Page 79 of 89

Amendment 2006-1 to the Stock Option Plan

EXHIBIT 10.1.1

AMENDMENT 2006-1

TO THE

SEI INVESTMENTS COMPANY AMENDED AND RESTATED

STOCK OPTION PLAN

AMENDMENT, dated as of November 27, 2006 to the SEI Investments Company Amended and Restated Stock Option Plan (the “Plan”), by SEI Investments Company (the “Company”).

WHEREAS, the Company maintains the Plan for the benefit of its and its affiliates’ eligible employees and consultants; and

WHEREAS, pursuant to Section 13 of the Plan, the Board of Directors of the Company may amend the Plan at any time.

NOW THEREFORE, effective as of November 27, 2006, the Plan is hereby amended as follows:

1. Section 12(a) shall be deleted in its entirety and replaced with the following:

“Adjustments. If there is any change in the number, kind or value of the outstanding Shares by reason of any reclassification, subdivision, combination, split-up or spin-off, stock dividend or exchange of stock of the Company for the outstanding Shares, the maximum aggregate number of Shares (or other kind of stock) as to which options may be granted under the Plan, the maximum aggregate number of Shares (or other kind of stock) that any individual participating in the Plan may be granted in any calendar year, the number of Shares (or other kind of stock) subject to each outstanding option grant and the option price per share shall be equitably adjusted by the Committee, in such manner as the Committee deems appropriate, to reflect any increase or decrease in the number of, or change in the kind or value of, the issued Shares to preclude, to the extent practicable, the enlargement or dilution of rights and benefits under the Plan and such outstanding options; provided, however, that any fractional shares resulting from such adjustment shall be eliminated. Any adjustments determined by the Committee shall be final, binding and conclusive. Such adjustment to Shares subject to the Plan or to Shares subject to options under the Plan shall not in any event take place with respect to any dividend payable in Shares of the Company, unless such dividend would result in either (i) an increase of ten percent (10%) or more in the outstanding Shares of the Company since the adoption of the Plan or the grant of the subject option thereunder, as the case may be; or (ii) an increase in any one transaction of five percent (5%) or more in the outstanding Shares.”

2. Except for the foregoing amendment, all the terms and provisions of the Plan are hereby ratified and confirmed and shall continue in full force and effect.

Page 80 of 89

Amendment 2006-1 to the 1997 Stock Option Plan

EXHIBIT 10.2.1

AMENDMENT 2006-1

TO THE

SEI INVESTMENTS COMPANY

1997 STOCK OPTION PLAN

AMENDMENT, dated as of November 27, 2006 to the SEI Investments Company 1997 Stock Option Plan (the “Plan”), by SEI Investments Company (the “Company”).

WHEREAS, the Company maintains the Plan for the benefit of its and its affiliates’ eligible employees and consultants; and

WHEREAS, pursuant to Section 13 of the Plan, the Board of Directors of the Company may amend the Plan at any time.

NOW THEREFORE, effective as of November 27, 2006, the Plan is hereby amended as follows:

1. Section 12(a) shall be deleted in its entirety and replaced with the following:

2. Except for the foregoing amendment, all the terms and provisions of the Plan are hereby ratified and confirmed and shall continue in full force and effect.

Page 81 of 89

Amendment 2006-1 to the 1998 Equity Compensation Plan

EXHIBIT 10.4.1

AMENDMENT 2006-1

TO THE

SEI INVESTMENTS COMPANY

1998 EQUITY INCENTIVE PLAN

AMENDMENT, dated as of November 27, 2006 to the SEI Investments Company 1998 Equity Incentive Plan (the “Plan”), by SEI Investments Company (the “Company”).

WHEREAS, the Company maintains the Plan for the benefit of its and its subsidiaries’ eligible employees, consultants and directors; and

WHEREAS, pursuant to Section 16 of the Plan, the Board of Directors of the Company may amend the Plan at any time.

NOW THEREFORE, effective as of November 27, 2006, the Plan is hereby amended as follows:

1. Section 3(b) shall be deleted in its entirety and replaced with the following:

“Adjustments. If there is any change in the number, kind or value of the shares of Company Stock outstanding (i) by reason of a stock dividend, spinoff, recapitalization, stock split or combination or exchange of shares, (ii) by reason of a merger, reorganization or consolidation, (iii) by reason of a reclassification or change in par value or (iv) by reason of any other extraordinary or unusual event affecting the outstanding Company Stock as a class without the Company’s receipt of consideration, or if the value of outstanding shares of Company Stock is substantially reduced as a result of a spinoff or the Company’s payment of an extraordinary dividend or distribution, the maximum number of shares of Company Stock (or other kind of stock) available for Grants, the maximum number of shares of Company Stock (or other kind of stock) that any individual participating in the Plan may be granted in any year, the kind and number of shares covered by outstanding Grants, the kind and number of shares issued or issuable under the Plan, and the price per share or the applicable market value of such Grants shall be equitably adjusted by the Committee, in such manner as the Committee deems appropriate, to reflect any increase or decrease in the number of, or change in the kind or value of, the issued shares of Company Stock to preclude, to the extent practicable, the enlargement or dilution of rights and benefits under the Plan and such outstanding Grants; provided, however, that any fractional shares resulting from such adjustment shall be eliminated. Any adjustments determined by the Committee shall be final, binding and conclusive.”

2. Except for the foregoing amendment, all the terms and provisions of the Plan are hereby ratified and confirmed and shall continue in full force and effect.

Page 82 of 89

Employment Agreement

EXHIBIT 10.9

SEI INVESTMENTS COMPANY

June 25, 2004

Mr. N. Jeffrey Klauder

[Residence Address Omitted]

Dear Jeff:

On behalf of the company I am pleased to extend our offer of employment to you as Executive Vice President and General Counsel. In this role, you will be responsible for the leadership of the legal and compliance functions and provide counsel to the Board of Directors and its committees. In addition, the Chief Executive Officer, from time to time, may assign to you, other administrative and organizational responsibilities. As a member of the senior management team you will be a member of the EPS committee reporting directly to the CEO and Board of Directors.

Your starting salary will be $9,615.38 biweekly, which is $250,000 when annualized. Increases in your salary will be in line with raises for other Executive Vice-Presidents. Should you accept this offer, we will determine a mutually agreeable date upon which you will begin full-time employment.

In addition to salary and draw, you will be eligible to participate in SEI’s incentive compensation program and other benefits as set forth in Schedule A hereto. All amounts referred to as annual amounts will be pro-rated for the calendar year based on your employment start date.

In addition, you will be entitled to a recoverable draw against your target incentive compensation of $2,307.69 bi-weekly, which is $60,000 when annualized. The Company will be entitled to recover your draw in the event your incentive compensation does not exceed your draw or in the event of termination of your employment before the incentive compensation has been earned.

All employees of SEI Investments are employed at-will, and either the employee or SEI investments are free to terminate the employee’s employment at any time, without cause or notice. In the event, however, your employment is terminated by SEI Investments for any reason other than cause, SEI will provide a separation package as described in Schedule A, attached hereto.

At its meeting today the Board and its Compensation Committee approved the terms of this offer and the Compensation Committee granted the 200,000 options to you today referred to in Schedule A, effective as of your employment start date.

SEI provides a comprehensive benefits program for its employees. When you join the company, you will be asked to make some important decisions based on your personal insurance needs. Please carefully review and evaluate this information. Selected and company-provided benefits are effective on the first of the month following one’s start date.

As a further condition of employment, all prospective employees are required to execute a copy of our Employee Non-Disclosure and Non-Compete Agreement (copy enclosed). In addition, the Immigration Control and Reform Act of 1986 requires employers to maintain documentation certifying both the identity and employment eligibility of its employees, so appropriate substantiating documents to satisfy the verification process (see enclosed Form 1-9) will be required during your Orientation period. Also enclosed, you will find a W-4 form and an Employee History Form that should be completed and brought with you on your first day of employment. Also, please return a signed copy of your employment application.

Page 83 of 89

Jeff, the Board and everyone who has worked with you at SEI are impressed with your credentials and are confident in your ability to contribute to SEI’s success. We believe this offer represents a good career opportunity for you today, with excellent potential for your continuing personal and professional development. I look forward to confirming an acceptance of our offer and anticipate finalizing your start date in the near future. Again, I reiterate my confidence in your future success at SEI. If you have any questions or need clarification, please do not hesitate to call or email me at [phone number omitted] or [email address omitted].

Yours truly,

/s/ Alfred P West

Alfred P. West


Accepted by:		/s/ N. Jeffrey Klauder
Date:		June 25, 2004


Title:		Executive Vice President and General Counsel

Responsibilities:		Member of senior management team at SEI – Management of legal and compliance function at SEI – Counsel to Board and committees – Such administrative and organizational responsibilities as may be assigned from time to time by CEO – Member of EPS Committee

Reporting:		Reports to CEO and Board

Base Salary:		$250,000 (raises in line with raises for other EVPs)

Draw:		$60,000 per year as advance on incentive compensation paid ratably over year so that recurring cash flow during year is $310,000

Incentive Compensation:		Target Bonus – Starts at 2X base; in future in line with other EVP’s with a minimum of 2X base; payment based on personal performance and company achievement of Company goals in accordance with the incentive compensation plan applicable to all members of EPS. Paid in accordance with the incentive compensation plan.

Guaranteed Cash Compensation:		For first two years, $375 of target bonus guaranteed, of which $60,000 of bonus will be paid ratably over year (so that recurring cash flow during year is based on $310,000)

Severance:		If terminated without cause at any time, 2X salary plus bonus and unvested options vest. If terminated without cause or upon death, option exercise period extended for one year. If death or resignation at age 65 or thereafter, all unvested options vest.

“Signing” Option Grant		200,000 options initially.

Annual Option Grant:		In line with grants to other EVPs

Benefits, Perqs:		All received by other EVPs

Page 84 of 89

Subsidiaries of the Registrant

EXHIBIT 21

SUBSIDIARIES OF THE REGISTRANT


NAME		JURISDICTION OF ORGANIZATION OR INCORPORATION
SEI Investments Distribution Co.		Pennsylvania
SEI Investments Management Corporation		Delaware
SEI Capital Limited		Canada (Federal)
SEI Investments Developments, Inc.		Delaware
SEI Investments Global Funds Services		Delaware
SEI Investments Management Corporation Delaware, LLC		Delaware
SEI Trust Company		Pennsylvania
SEI Funds, Inc.		Delaware
SEI Investments, Inc.		Delaware
SEI Global Investments Corporation		Delaware
SEI Investments Canada Company		Canada (Federal)
SEI Advanced Capital Management, Inc.		Delaware
SEI Global Capital Investments, Inc.		Delaware
SEI Investments Global (Cayman), Ltd.		Cayman Islands, B. W. I.
SEI Investments Global, Limited		Ireland
SEI Investments Global Fund Services, Ltd.		Ireland
SEI Investments Argentina, S. A.		Argentina
SEI Global Holdings (Cayman) Inc.		Cayman Islands, B. W. I.
SEI Investments (South Africa) Limited		South Africa
SEI Primus Holding Corporation		Canada
SEI Investments Trustee & Custodial Services (Ireland) Limited		Ireland
SEI Private Trust Company		Pennsylvania
SEI Venture Capital Inc		Delaware
SEI Asset Korea Co., Ltd.		South Korea
SEI Investments Europe Limited		United Kingdom
SEI Investments (France) Company		France
SEI Investments – Unit Trust Management (UK) Ltd.		United Kingdom
Lartington Limited		Ireland
SEI Investments Global (Bermuda) Ltd.		Bermuda
SEI SIMC Holdings, LLC		Delaware
SIMC Subsidiary, LLC		Delaware
SEI Global Nominee Ltd.		United Kingdom
SEI Insurance Group, Inc.		Pennsylvania
SEI Global Services, Inc.		Delaware
SEI Franchise, Inc.		Delaware
SEI Investments (Asia), Limited		Hong Kong
SEI European Services Limited		United Kingdom

Page 85 of 89

Consent of Independent Registered Public Accounting Firm

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 2-73997, 2-75629, 2-78133, 2-80841, 2-89659, 33-19952, 33-24595, 33-41602, 333-41343, 333-63709, and 333-111224) of SEI Investments Company of our report dated February 22, 2007 relating to the financial statements, financial statement schedule, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

PricewaterhouseCoopers LLP

Philadelphia, Pennsylvania

February 22, 2007

Page 86 of 89

CEO 302 Certification

EXHIBIT 31.1

RULE 13a-15(e)/15d-15(e)

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Alfred P. West, Jr., Chairman and Chief Executive Officer of SEI Investments Company, certify that:

1. I have reviewed this Annual Report on Form 10-K of SEI Investments Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: February 23, 2007

/s/ Alfred P. West, Jr.

Alfred P. West, Jr.

Chairman and Chief Executive Officer

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CFO 302 Certification

EXHIBIT 31.2

RULE 13a-15(e)/15d-15(e)

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Dennis J. McGonigle, Chief Financial Officer of SEI Investments Company, certify that:

1. I have reviewed this Annual Report on Form 10-K of SEI Investments Company;

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: February 23, 2007

/s/ Dennis J. McGonigle

Dennis J. McGonigle

Chief Financial Officer

Page 88 of 89

CEO and CFO 906 Certifications

EXHIBIT 32

SECTION 1350 CERTIFICATIONS

I, Alfred P. West, Jr., Chairman and Chief Executive Officer, and Dennis J. McGonigle, Chief Financial Officer, of SEI Investments Company, a Pennsylvania corporation (the “Company”), hereby certify that, to my knowledge:

(1) The Company’s Annual Report on Form 10-K for the annual period ended December 31, 2006 (the “Form 10-K”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

(2) The information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company.


Date: February 23, 2007				Date: February 23, 2007

/s/ Alfred P. West, Jr.				/s/ Dennis J. McGonigle
Alfred P. West, Jr.				Dennis J. McGonigle
Chairman and Chief Executive Officer				Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

Page 89 of 89