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Form 10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)*

x	Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended September 30, 2007 or

¨	Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to

0-10200

(Commission File Number)

SEI INVESTMENTS COMPANY

(Exact name of registrant as specified in its charter)

Pennsylvania

23-1707341

(State or other jurisdiction of

incorporation or organization)

(IRS Employer

Identification Number)

1 Freedom Valley Drive, Oaks, Pennsylvania 19456-1100

(Address of principal executive offices)

(Zip Code)

(610) 676-1000

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

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 whether the registrant is a large accelerated filer, an accelerated filer or a non-accelerated filer (as defined in Rule 12b-2 of the Securities Exchange Act of 1934).

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 Exchange Act). Yes ¨ No x

APPLICABLE ONLY TO ISSUERS 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 Sections 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 ISSUERS:

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of October 31, 2007: 194,347,384 shares of common stock, par value $.01 per share.

PART I. FINANCIAL INFORMATION

Item 1.

Consolidated Financial Statements.

SEI Investments Company

Consolidated Balance Sheets

(unaudited)

(In thousands)


	September 30, 2007		December 31, 2006
Assets

Current Assets:

Cash and cash equivalents	$	297,194	$	286,948
Restricted cash		10,250		10,250
Receivables from regulated investment companies		44,810		37,600
Receivables, net of allowance for doubtful accounts of $2,885 and $2,730 (Note 4)		237,997		206,999
Securities owned		16,456		16,431
Deferred income taxes		6,731		15,931
Other current assets		14,017		12,314

Total Current Assets		627,455		586,473

Property and Equipment, net of accumulated depreciation and amortization of $127,273 and $113,177 (Note 4)		138,508		130,732

Capitalized Software, net of accumulated amortization of $30,732 and $25,235		224,643		180,014

Investments Available for Sale		78,808		71,690

Investments Held to Maturity		3,700		4,617

Goodwill (Notes 2 and 3)		22,842		22,842

Intangible Assets, net of accumulated amortization of $13,948 and $8,205 (Notes 2 and 3)		62,093		67,836

Other Assets		17,632		15,501

Total Assets	$	1,175,681	$	1,079,705

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

Page 1 of 41

SEI Investments Company

Consolidated Balance Sheets

(unaudited)

(In thousands, except par value)


	September 30, 2007		December 31, 2006
Liabilities and Shareholders’ Equity

Current Liabilities:

Current portion of long-term debt	$	8,000	$	13,100
Accounts payable		12,618		7,119
Payable to regulated investment companies		1,569		258
Accrued liabilities (Note 4)		163,791		175,044
Deferred revenue		847		606

Total Current Liabilities		186,825		196,127

Long-term Debt		49,943		67,538

Deferred Income Taxes		73,278		76,148

Minority Interest		138,549		109,380

Other Long-term Liabilities (Note 11)		11,910		—

Commitments and Contingencies (Note 9)

Shareholders’ Equity:

Common stock, $.01 par value, 750,000 shares authorized; 194,128 and 98,953 shares issued and outstanding		1,941		990
Capital in excess of par value		422,436		363,815
Retained earnings		278,685		258,069
Accumulated other comprehensive income, net		12,114		7,638

Total Shareholders’ Equity		715,176		630,512

Total Liabilities and Shareholders’ Equity	$	1,175,681	$	1,079,705

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

Page 2 of 41

SEI Investments Company

Consolidated Statements of Operations

(unaudited)

(In thousands, except per share data)


	Three Months Ended September 30,
	2007				2006
Revenues:
Asset management, administration and distribution fees		$	280,287			$	232,251
Information processing and software servicing fees			58,485				56,717
Transaction-based and trade execution fees			10,864				9,116

Total revenues			349,636				298,084

Expenses:
Commissions and fees			44,184				36,487
Compensation, benefits and other personnel			88,463				80,900
Consulting, outsourcing and professional fees			23,703				19,061
Data processing and computer related			10,410				9,508
Facilities, supplies and other costs			16,607				18,050
Depreciation and amortization			10,991				7,319

Total expenses			194,358				171,325

Income from operations			155,278				126,759

Net loss from investments			(202	)			(2,226	)
Interest and dividend income			4,381				3,397
Interest expense			(1,267	)			(1,475	)
Minority interest			(46,463	)			(37,731	)

Net income before income taxes			111,727				88,724
Income taxes			38,428				28,175

Net income			73,299				60,549

Other comprehensive income, net of tax:
Foreign currency translation adjustments			1,581				333
Unrealized holding gain on investments:
Unrealized holding gains during the period net of income tax expense of $11 and $324	84				675
Less: reclassification adjustment for losses realized in net income, net of income tax benefit of $36 and $761	62		146		1,632		2,307

Other comprehensive income			1,727				2,640

Comprehensive income		$	75,026			$	63,189

Basic earnings per common share		$	.38			$	.31

Diluted earnings per common share		$	.37			$	.30

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

Page 3 of 41

SEI Investments Company

Consolidated Statements of Operations

(unaudited)

(In thousands, except per share data)


	Nine Months Ended September 30,
	2007				2006
Revenues:
Asset management, administration and distribution fees		$	813,338				$	668,332
Information processing and software servicing fees			168,131					159,373
Transaction-based and trade execution fees			34,150					32,530

Total revenues			1,015,619					860,235

Expenses:
Commissions and fees			129,857					107,898
Compensation, benefits and other personnel			261,293					231,374
Consulting, outsourcing and professional fees			67,199					56,926
Data processing and computer related			31,404					27,436
Facilities, supplies and other costs			51,867					52,985
Depreciation and amortization			25,867					21,849

Total expenses			567,487					498,468

Income from operations			448,132					361,767

Net loss from investments			(1,515	)				(1,866	)
Interest and dividend income			13,314					9,149
Interest expense			(3,696	)				(4,078	)
Minority interest			(134,439	)				(105,858	)
Other			2,952					1,588

Net income before income taxes			324,748					260,702
Income taxes			118,571					87,336

Net income			206,177					173,366

Other comprehensive income, net of tax:
Foreign currency translation adjustments			3,906					2,888
Unrealized holding gain on investments:
Unrealized holding gains (losses) during the period net of income tax (expense) benefit of $(383) and $164	510				(96	)
Less: reclassification adjustment for losses realized in net income, net of income tax benefit of $34 and $187	60		570		386			290

Other comprehensive income			4,476					3,178

Comprehensive income		$	210,654				$	176,544

Basic earnings per common share		$	1.05				$	.88

Diluted earnings per common share		$	1.02				$	.85

Dividends declared per common share		$	.07				$	.06

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

Page 4 of 41

SEI Investments Company

Consolidated Statements of Cash Flows

(unaudited)

(In thousands)


	Nine Months Ended September 30,
	2007			2006
Cash flows from operating activities:
Net income	$	206,177		$	173,366
Adjustments to reconcile net income to net cash provided by operating activities		59,725			78,534

Net cash provided by operating activities		265,902			251,900

Cash flows from investing activities:
Additions to property and equipment		(22,360	)		(22,523	)
Additions to capitalized software		(50,126	)		(53,861	)
Purchase of marketable securities		(31,776	)		(44,293	)
Sale of marketable securities		26,747			27,061
Cash received from sale of joint venture		3,116			—
Cash received from consolidation of LSV		—			5,268
Other		(231	)		(408	)

Net cash used in investing activities		(74,630	)		(88,756	)

Cash flows from financing activities:
Payments on long-term debt		(22,695	)		(12,715	)
Purchase and retirement of common stock		(183,856	)		(81,581	)
Proceeds from issuance of common stock		35,170			30,155
Tax benefit on stock options exercised		16,038			24,854
Payment of dividends		(25,683	)		(22,704	)

Net cash used in financing activities		(181,026	)		(61,991	)

Net increase in cash and cash equivalents		10,246			101,153

Cash and cash equivalents, beginning of period		286,948			130,128

Cash and cash equivalents, end of period	$	297,194		$	231,281

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

Page 5 of 41

Notes to Consolidated Financial Statements

(unaudited)

(all figures are in thousands except per share data)

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. Revenues from investment processing solutions 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.

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. Revenues from fund processing solutions are recognized in Asset management, administration and distribution fees on the accompanying Consolidated Statements of Operations.

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. Revenues from investment management programs are recognized in Asset management, administration and distribution fees on the accompanying Consolidated Statements of Operations.

Effective January 1, 2007, the Company changed the names of three of its business segments. The Private Banking and Trust business segment was renamed as Private Banks, the Enterprises business segment was renamed as Institutional Investors, and the Money Managers business segment was renamed as Investment Managers. Additionally, the structure of two of the Company’s business segments changed on January 1, 2007. The investment management programs and services offered to global private banks of the Investments in New Businesses segment was moved to the Private Banks segment. Further information pertaining to the Company’s new business segments is included in Note 10.

Basis of Presentation

The accompanying Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America, consistent in all material respects with those applied in the Company’s Annual Report on Form 10-K for the year ended December 31, 2006. Certain financial information and accompanying note disclosure normally included in the Company’s Annual Report on Form 10-K has been condensed or omitted. The interim financial information is unaudited but reflects all adjustments (consisting of only normal recurring adjustments) which are, in the opinion of management, necessary to present fairly the financial position of the Company as of September 30, 2007, the results of operations for the three and nine months ended September 30, 2007 and 2006, and cash flows for the nine month periods ended September 30, 2007 and 2006. These interim Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and the Notes to the Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2006.

Except as disclosed herein, there have been no significant changes in significant accounting policies during the nine months ended September 30, 2007 as compared to the significant accounting policies described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2006.

Page 6 of 41

Cash and Cash Equivalents

Cash and cash equivalents includes $91,288 and $110,663 at September 30, 2007 and December 31, 2006, respectively, primarily invested in Company-sponsored open-ended money market mutual funds.

Restricted Cash

Restricted cash at September 30, 2007 and December 31, 2006 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.

Capitalized Software

The Company capitalized $50,126 and $53,861 of software development costs during the nine months ended September 30, 2007 and 2006, respectively. As of September 30, 2007, capitalized software placed into service included on the accompanying Consolidated Balance Sheet had a weighted average remaining life of approximately 14.5 years. Amortization expense related to capitalized software was $3,975 and $886 during the three months ended September 30, 2007 and 2006, respectively. Amortization expense related to capitalized software was $5,497 and $3,304 during the nine months ended September 30, 2007 and 2006, respectively.

In July 2007, the Global Wealth Platform was placed into service. The amount of capitalized software development costs related to the platform was $199,552. Amortization of these costs began in the three month period ended September 30, 2007 using the straight-line method over an estimated useful life of 15 years.

In the second quarter of 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 the first half of 2006. The charges for capitalized software development costs written-off are included in Facilities, supplies and other costs on the accompanying Consolidated Statements of Operations. There were no capitalized software development costs written-off in the nine month period ended September 30, 2007.

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.

The Company adopted FASB Interpretation No. 48, “Accounting for Uncertainty in Income Taxes—an interpretation of FASB Statement No. 109” (FIN 48), effective January 1, 2007. FIN 48 clarifies the accounting for uncertainty in income taxes recognized in financial statements and requires the impact of a tax position to be recognized in the financial statements if that position is more likely than not of being sustained by the taxing authority. The adoption of FIN 48 did not have a material impact on the Company’s financial position or results of operations (See Note 11).

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 to the Company for bank loans with similar terms and maturities. The recorded value of these items approximates their fair value at September 30, 2007.

Page 7 of 41

Earnings per Share

The calculations of basic and diluted earnings per share for the three months ended September 30, 2007 and 2006 are:


	For the Three Month Period Ended September 30, 2007
	Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per common share	$	73,299	194,930	$	.38

Dilutive effect of stock options		—	5,391

Diluted earnings per common share	$	73,299	200,321	$	.37


	For the Three Month Period Ended September 30, 2006
	Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per common share	$	60,549	197,144	$	.31

Dilutive effect of stock options		—	6,116

Diluted earnings per common share	$	60,549	203,260	$	.30

Employee stock options to purchase 3,468,000 and 6,107,000 shares of common stock, with an average exercise price of $29.62 and $21.02, were outstanding during the three month periods ended September 30, 2007 and 2006, respectively, but not included in the computation of diluted earnings per common share because the exercise price of the options 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.

The calculations of basic and diluted earnings per share for the nine months ended September 30, 2007 and 2006 are:



	For the Nine Month Period Ended September 30, 2007
	Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per common share	$	206,177	196,720	$	1.05

Dilutive effect of stock options		—	6,155

Diluted earnings per common share	$	206,177	202,875	$	1.02


		For the Nine Month Period Ended September 30, 2006
	Income (Numerator)		Shares (Denominator)	Per Share Amount
Basic earnings per common share	$	173,366	197,218	$	.88

Dilutive effect of stock options		—	5,584

Diluted earnings per common share	$	173,366	202,802	$	.85

Employee stock options to purchase 3,456,000 and 6,107,000 shares of common stock, with an average exercise price of $29.64 and $21.02, were outstanding during the nine month periods ended September 30, 2007 and 2006, respectively, but not included in the computation of diluted earnings per common share because the exercise price of the options 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.

Page 8 of 41

Comprehensive Income

Accumulated other comprehensive income, net of tax, consist of:


	Foreign Currency Translation Adjustments		Unrealized Holding Gains on Investments		Accumulated Other Comprehensive Income
Beginning balance (Dec. 31, 2006)	$	6,446	$	1,192	$	7,638
Current period change		3,906		570		4,476

Ending balance (Sept. 30, 2007)	$	10,352	$	1,762	$	12,114

Statements of Cash Flows

For purposes of the Consolidated Statements of Cash Flows, the Company considers investment instruments purchased with an original maturity of three months or less to be cash equivalents.

The following table provides the details of the adjustments to reconcile net income to net cash provided by operating activities for the nine months ended September 30:


	2007			2006
Net income	$	206,177		$	173,366

Adjustments to reconcile net income to net cash provided by operating activities:

Depreciation and amortization		25,867			21,849
Distribution from unconsolidated affiliate		—			16,940
Undistributed earnings of minority interests		134,439			105,858
Distributions to partners of LSV		(104,410	)		(57,737	)
Stock-based compensation		20,460			15,302
Gain on sale of joint venture		(2,952	)		—
Gain on partial sale of unconsolidated affiliate		—			(267	)
Provision for losses on receivables		155			1,352
Deferred income tax expense		5,913			(243	)
Net realized losses on investments		1,515			1,866
Write-off of capitalized software		—			5,694
Change in other long-term liabilities		11,910			—
Other		(785	)		(1,403	)
Change in current asset and liabilities
Decrease (increase) in
Receivables from regulated investment companies		(7,210	)		(1,186	)
Receivables		(37,762	)		(33,533	)
Other current assets		4,906			(2,575	)
Increase (decrease) in
Accounts payable		5,499			3,293
Payable to regulated investment companies		1,311			(204	)
Accrued liabilities		628			3,553
Deferred revenue		241			(25	)

Total adjustments		59,725			78,534

Net cash provided by operating activities	$	265,902		$	251,900

The following non-cash activity is excluded from the Consolidated Statements of Cash Flows for the nine months ended September 30, 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).

Page 9 of 41

New Accounting Pronouncements

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.

In February 2007, the FASB issued FASB Statement No. 159 (SFAS 159), “The Fair Value Option for Financial Assets and Financial Liabilities.” SFAS 159 permits companies to choose to measure certain financial instruments and certain other items at fair value. The standard requires that unrealized gains and losses on items for which the fair value option has been elected be reported in earnings. SFAS 159 is effective for all financial statements issued for fiscal years beginning after November 15, 2007. The Company does not expect the adoption of SFAS 159 to have a material impact on its financial statements.

Reclassifications

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

Note 2.

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 2006 and 2007. 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 other lenders 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 the 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. 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 meets the definition of a variable interest entity and the Company is the primary beneficiary. As a result of this transaction, the Company has a controlling financial interest in LSV through its direct ownership of LSV and guaranty of LSV Employee Group’s debt. The Company therefore consolidated 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.

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. Initially, the Company determined that the entire purchase price of $92,000 was goodwill. In late 2006, the Company revised its determination and allocated a portion of the total purchase price to identifiable intangible assets that require recognition apart from

Page 10 of 41

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 $1,805 and $5,416 in amortization expense during the three and nine months ended September 30, 2007 and 2006, respectively, which is reflected in Depreciation and amortization expense on the accompanying Consolidated Statement of Operations. The amount of amortization expense in 2006 was revised for the identification of intangible assets. Amortization expense recognized in the Consolidated Statement of Operations associated with the assets of LSV Employee Group is eliminated through Minority interest and has no impact on net income.


	September 30, 2007			December 31, 2006
Intangible asset, at cost	$	72,220		$	72,220
Accumulated amortization		(12,638	)		(7,222	)

Net book value	$	59,582		$	64,998

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 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 principal amount and interest of the term loan are 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 September 30, 2007, the remaining unpaid principal balance of the term loan was $57,943, of which $8,000 is classified as current and included in Current portion of long-term debt and the remaining $49,943 is included in Long-term debt on the accompanying Consolidated Balance Sheets. LSV Employee Group made principal payments of $13,695 and $7,326 during the nine months ended September 30, 2007 and 2006, respectively. Interest expense for the nine months ended September 30, 2007 and 2006 on the Consolidated Statements of Operations includes $2,962 and $3,288, respectively, associated with the borrowings of LSV Employee Group which was eliminated through Minority interest and had no impact on net income.

LSV Employee Group made a principal payment of $5,972 in October 2007. The remaining unpaid principal balance of the term loan at October 31, 2007 was $51,971. The Company, in its capacity as guarantor, currently has no obligation of payment relating to the term loan of LSV Employee Group.

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 $109 and $327 of amortization expense during the three and nine months ended September 30, 2007 and 2006, respectively, which is reflected in Depreciation and amortization expense on the accompanying Consolidated Statements of Operations.


	September 30, 2007			December 31, 2006
Intangible asset, at cost	$	3,821		$	3,821
Accumulated amortization		(1,310	)		(983	)

Net book value	$	2,511		$	2,838

Page 11 of 41

Note 4.

Composition of Certain Financial Statement Captions

Receivables

Receivables on the accompanying Consolidated Balance Sheets consist of:


	September 30, 2007			December 31, 2006
Trade receivables	$	51,322		$	45,242
Fees earned, not billed		186,060			154,378
Other receivables		3,500			10,109

		240,882			209,729
Less: Allowance for doubtful accounts		(2,885	)		(2,730	)

	$	237,997		$	206,999

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.

Property and Equipment

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


	September 30, 2007			December 31, 2006
Equipment	$	62,916		$	57,746
Buildings		124,881			98,615
Land		9,548			9,510
Purchased software		40,984			38,564
Furniture and fixtures		19,866			18,563
Leasehold improvements		6,072			5,144
Construction in progress		1,514			15,767

		265,781			243,909
Less: Accumulated depreciation and amortization		(127,273	)		(113,177	)

Property and Equipment, net	$	138,508		$	130,732

The Company recognized $5,024 and $4,445 in depreciation and amortization expense related to property and equipment for the three months ended September 30, 2007 and 2006, respectively. In the nine months ended September 30, 2007 and 2006, the Company recognized $14,418 and $12,619, respectively, in depreciation and amortization expense related to property and equipment.

Other Assets

During the second quarter of 2007, the Company sold its remaining ownership in a joint venture and wrote-off an investment in a private company. Both of these items were previously included in Other assets on the accompanying Consolidated Balance Sheets. The Company sold its interests in the joint venture for $3,116 and recorded a gain of $2,952, which is reflected in Other income and expense items on the accompanying Consolidated Statements of Operations for the nine months ended September 30, 2007. The Company recorded a loss of $475 related to the write-off of the investment, which is reflected in Net gain (loss) from investments on the accompanying Consolidated Statements of Operations for the nine months ended September 30, 2007.

Page 12 of 41

Accrued Liabilities

Accrued liabilities on the accompanying Consolidated Balance Sheets consist of:


	September 30, 2007		December 31, 2006
Accrued compensation	$	55,616	$	68,657
Accrued consulting		12,635		10,782
Accrued sub-advisor and investment officer fees		15,921		12,314
Accrued income taxes		15,627		15,057
Accrued dividend payable		—		11,881
Accrued mutual fund distribution fees		12,328		6,000
Other accrued liabilities		51,664		50,353

Total accrued liabilities	$	163,791	$	175,044

Note 5.

Marketable Securities and Derivative Instruments

Investments Available for Sale

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


	As of September 30, 2007
	Cost Amount		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Company-sponsored mutual funds	$	58,749	$	114	$	(83	)	$	58,780
Non-company-sponsored mutual funds		4,266		65		—			4,331
Debt securities		6,313		—		(64	)		6,249
Equity securities		6,690		2,758		—			9,448

	$	76,018	$	2,937	$	(147	)	$	78,808


	As of December 31, 2006
	Cost Amount		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

The net unrealized holding gains at September 30, 2007 were $1,762 (net of income tax expense of $1,028) and at December 31, 2006 were $1,192 (net of income tax expense of $611) and are reported as a separate component of Accumulated other comprehensive gains on the accompanying Consolidated Balance Sheets.

During the three months ended September 30, 2007, the Company recognized gross realized losses from available-for-sale securities of $98. There were no realized gains or losses from available-for-sale securities during the three months ended September 30, 2006. During the nine months ended September 30, 2007, the Company recognized gross realized gains from available-for-sale securities of $4 and gross realized losses of $98. The Company recognized gross realized gains of $1,901 during the nine months ended September 30, 2006. These gains are reflected in Net (loss) gain from investments on the accompanying Consolidated Statements of Operations. There were no realized losses recognized during the nine months ended September 30, 2006.

The Company holds equity derivatives with a notional amount of $11,742 and an expected maturity date in 2007. Additionally, LSV Employee Group entered into two interest rate swap agreements in

Page 13 of 41

2006 to convert its floating rate long-term debt to fixed rate debt. These swaps have a total notional value of $44,771. 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. The Company recognized net losses of $267 and net gains of $414 in the three month periods ended September 30, 2007 and 2006, respectively, from changes in the fair value of derivative instruments. In the nine months ended September 30, 2007 and 2006, the Company recognized net losses of $1,371 and $496, respectively, from derivative instruments. These gains and losses are reflected in Net gain (loss) from investments on the accompanying Consolidated Statements of Operations.

Held-to-Maturity Securities

At September 30, 2007 and 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 $3,700 and $4,617 at September 30, 2007 and December 31, 2006 and are reported as Investments held to maturity on the accompanying Consolidated Balance Sheets. The recorded value of these securities approximates their fair value.

Securities Owned

At September 30, 2007 and 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. The securities had a fair value of $16,456 and $16,431 at September 30, 2007 and December 31, 2006, respectively. The Company recognized gains of $154 and $250 from the change in fair value of the securities and sales of certain securities during the three months ended September 30, 2007 and 2006, respectively. During the nine months ended September 30, 2007 and 2006, the Company recognized gains of $410 and $250, respectively, from the change in fair value of the securities and sales of certain securities. These gains are reflected in Net gain (loss) from investments on the accompanying Consolidated Statements of Operations.

Note 6.

Lines of Credit

On September 14, 2004, the Company entered into a three-year $200,000 credit facility agreement which was terminated on July 25, 2007. The Company had no borrowings under the facility and was in compliance with all covenants associated with the facility during the entire term of the agreement.

On July 25, 2007 (the Closing Date), the Company entered into a five-year $200,000 Credit Agreement (the Credit Facility). The Credit Facility became available on the Closing Date and terminates in July 2012. The aggregate amount of the Credit Facility may be increased by an additional $100,000 under certain conditions set forth in the agreement. At termination, any aggregate principal amount of loans outstanding under the Credit Facility becomes payable in full. Any borrowings made under the Credit Facility will accrue interest at 0.45 percent above the London Interbank Offer Rate (“LIBOR”). There is also a commitment fee equal to 0.09 percent per annum on the daily unused portion of the facility. The Credit Facility contains various covenants, none of which negatively affect the Company’s liquidity or capital resources. Both the interest rate and commitment fee prices may increase if the Company’s leverage ratio reaches certain levels. The Company had no borrowings under the facility and was in compliance with all covenants at September 30, 2007.

On November 8, 2007, the Company entered into Capital Support Agreements with two mutual funds sponsored by the Company that may require it to make capital contributions to these funds up to an aggregate amount of $129,000 under certain conditions (See Note 12). The obligations of the Company under the Capital Support Agreements are secured by letters of credit of a third party bank. The letters of credit were issued under the Company’s existing credit facility and have a term of one year. On the same date, certain provisions and terms of the Credit Facility were amended that provides for a waiver of any breach to various covenants or excluding from the computation of certain covenants any borrowings arising solely from any transaction due to the Capital Support Agreements. As of the same date, the Company had no borrowings under the Credit Facility and remained in compliance with all covenants.

Page 14 of 41

The Company’s Canadian subsidiary has a credit facility agreement (the Canadian Credit Facility) for the purpose of facilitating the settlement of mutual fund transactions. The Canadian Credit Facility 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 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 September 30, 2007. The Company was in compliance with all covenants since the inception of the agreement through September 30, 2007.

Note 7.

Long-term Debt

In February 1997, the Company signed a Note Purchase Agreement authorizing the issuance and sale of $20,000 7.20 percent Senior Notes, Series A, and $15,000 7.27 percent Senior Notes, Series B (collectively, the Notes), in a private offering with certain financial institutions. The Note Purchase Agreement, which was subsequently amended, contains various covenants. Principal payments on the Notes are made annually from the date of issuance while interest payments are made semi-annually. The Company made its scheduled payment of $4,000 in February 2007 which included the final payment for the Series A Senior Notes. On August 24, 2007, the Company made a voluntary principal pre-payment of $5,000 and a make-whole payment of $293 for the Series B Notes. With these payments, all amounts outstanding relating to the Notes were extinguished.

Long-term debt as of September 30, 2007 on the accompanying Consolidated Balance Sheets consists entirely of the borrowings of LSV Employee Group. Long-term debt as of December 31, 2006 consists of the borrowings of the Company and LSV Employee Group (See Note 2).

Note 8.

Shareholders’ Equity

Stock-Based Compensation

On April 3, 2007, the Company’s Board of Directors approved the 2007 Equity Compensation Plan (the 2007 Plan), which was later approved by the shareholders of the Company on May 23, 2007. The 2007 Plan became effective June 1, 2007 and provides for the grant of incentive stock options, non-qualified stock options and stock appreciation rights with respect to up to 20 million shares of common stock of the Company, subject to adjustment for stock splits, reclassifications, mergers and other events. Permitted grantees under the 2007 Plan include employees, non-employee directors and consultants who perform services for the Company. The plan is administered by the Compensation Committee of the Board of Directors of the Company. As of September 30, 2007, grants of stock options made under the 2007 Plan were minimal. There were no grants of stock appreciation rights made under the plan.

Effective June 1, 2007, the Company discontinued any further grants under the Company’s 1998 Equity Compensation Plan (the 1998 Plan) as a result of the approval of the 2007 Plan. The Company also maintains three additional equity compensation plans which have non-qualified stock options outstanding, but these plans have been terminated. 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.

All outstanding stock options 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. All options outstanding have a 10 year life. The Company believes that awarding stock options with performance-based vesting schedules better aligns the interests of stockholders and employees.

Page 15 of 41

The Company recognized stock-based compensation expense in its Consolidated Financial Statements in the three month periods ended September 30, 2007 and 2006, respectively, as follows:


	Three Months Ended September 30,
	2007			2006
Stock-based compensation expense	$	7,002		$	7,220
Less: Deferred tax benefit		(2,460	)		(2,006	)

Stock-based compensation expense, net of tax	$	4,542		$	5,214

Basic and diluted earnings per share	$	.02		$	.03

The Company recognized stock-based compensation expense in its Consolidated Financial Statements in the nine month periods ended September 30, 2007 and 2006, respectively, as follows:


	Nine Months Ended September 30,
	2007			2006
Stock-based compensation expense	$	20,460		$	15,302
Less: Deferred tax benefit		(6,501	)		(4,955	)

Stock-based compensation expense, net of tax	$	13,959		$	10,347

Basic and diluted earnings per share	$	.07		$	.05

As of September 30, 2007, there was approximately $41,858 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
Remainder of 2007	$	6,856
2008		14,360
2009		7,122
2010		3,861
2011		3,861
2012		3,819
2013		1,979

	$	41,858

In the nine months ended September 30, 2007 and 2006, the Company accelerated the recognition of $1,160 and $3,078, respectively, in stock-based compensation expense due to a change in management’s estimate of when certain vesting targets are expected to be achieved.

The Company issues new common shares associated with the exercise of stock options. The total intrinsic value of options exercised during the nine months ended September 30, 2007 and 2006 was $45,391 and $65,926, respectively. The total options outstanding as of September 30, 2007 and 2006 was 26,104,000 and 27,328,000, respectively.

Page 16 of 41

Common Stock Buyback

The Company’s Board of Directors has authorized the repurchase of the Company’s common stock on the open market or through private transactions of up to an aggregate of $1,428,365, including an additional authorization on October 23, 2007 for $100,000. Through September 30, 2007, a total of 248,318,000 shares at an aggregate cost of $1,294,966 have been purchased and retired. The Company purchased 2,286,000 shares at a total cost of $59,162 during the three months ended September 30, 2007. During the nine months ended September 30, 2007, the Company purchased 6,455,000 shares at a total cost of $183,856.

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.

Stock Split

On May 23, 2007, the Board of Directors approved a two-for-one stock split of the Company’s $.01 par value common stock, effected in the form of a stock dividend which was paid on June 21, 2007 to shareholders of record on June 11, 2007. The par value of the stock remained unchanged. Accordingly, a total of $981 was reclassified from Retained earnings to Common stock. All per-share amounts have been adjusted to reflect the stock split. Amounts of Common stock at December 31, 2006 on the accompanying Consolidated Balance Sheets have not been retroactively adjusted.

Cash Dividend

On May 23, 2007, the Board of Directors declared a cash dividend of $.07 per share on the Company’s common stock, which was paid on June 21, 2007, to shareholders of record on June 8, 2007.

Cash dividends declared during the nine month periods ended September 30, 2007 and 2006 were $13,806 and $11,845, respectively.

Note 9.

Commitments and Contingencies

Legal Proceedings

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 has not made any provision relating to this legal proceeding.

Page 17 of 41

Note 10.

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 product and services, geographic areas, and major customers. The accounting policies of the reportable business segments are the same as those described in Note 1.

Effective January 1, 2007, the Company changed the names of three of its business segments. The Private Banking & Trust business segment was renamed as Private Banks, the Enterprises business segment was renamed as Institutional Investors, and the Money Managers business segment was renamed as Investment Managers. Additionally, the structure of two of the Company’s business segments changed on January 1, 2007. The investment management programs and services offered to global private banks of the Investments in New Businesses segment was moved to the Private Banks 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 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 investment processing, fund processing and operational outsourcing solutions to investment managers, fund companies and banking institutions 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 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.

Page 18 of 41

The information in the following tables is derived from the Company’s internal financial reporting used for corporate management purposes. There are no inter-segment revenues for the three and nine months ended September 30, 2007 and 2006. Management evaluates Company assets on a consolidated basis during interim periods.

The following tables highlight certain unaudited financial information about each of the Company’s business segments for the three months ended September 30, 2007 and 2006.


	Private Banks			Investment Advisors			Institutional Investors			Investment Managers			Investments In New Businesses			LSV			Total
	For the Three Month Period Ended September 30, 2007
Revenues	$	104,280		$	65,715		$	51,275		$	35,844		$	1,881		$	90,641		$	349,636
Expenses (1)		82,846			31,257			30,980			25,445			5,020			56,252			231,800

Operating profit (loss)	$	21,434		$	34,458		$	20,295		$	10,399		$	(3,139	)	$	34,389		$	117,836

Profit margin		21	%		52	%		40	%		29	%		N/A			38	%		34	%

(1)	The Private Banks segment includes $1,345 of minority interest of other shareholders relating to a joint venture. LSV includes $47,671 of minority interest of the other partners of LSV.


	Private Banks			Investment Advisors			Institutional Investors			Investment Managers			Investments In New Businesses			LSV			Total
	For the Three Month Period Ended September 30, 2006
Revenues	$	94,058		$	55,117		$	42,115		$	29,802		$	1,914		$	75,078		$	298,084
Expenses (2)		71,512			27,535			27,210			22,131			6,118			45,990			200,496

Operating profit (loss)	$	22,546		$	27,582		$	14,905		$	7,671		$	(4,204	)	$	29,088		$	97,588

Profit margin		24	%		50	%		35	%		26	%		N/A			39	%		33	%

(2)	The Private Banks segment includes $1,345 of minority interest of other shareholders relating to a joint venture. LSV includes $39,653 of minority interest of the other partners of LSV.

A reconciliation of the total reported for the business segments to income from operations in the Consolidated Statements of Operations for the quarters ended September 30, 2007 and 2006 is as follows:


	2007			2006
Total operating profit from segments above	$	117,836		$	97,588

Corporate overhead expenses		(9,754	)		(9,772	)
Minority interest reflected in segments		49,016			40,749
LSV Employee Group (1)		(1,820	)		(1,806	)

Income from operations	$	155,278		$	126,759

(1)	For the three months ended September 30, 2007 and 2006, includes $1,805 in amortization expense of intangible assets related to LSV Employee Group.

Page 19 of 41

The following tables provide additional information for the three months ended September 30, 2007 and 2006 as required by SFAS 131 pertaining to our business segments:


	Capital Expenditures				Depreciation and Amortization
	2007		2006		2007		2006
Private Banks	$	13,437	$	13,372	$	6,085	$	3,512
Investment Advisors		4,898		4,946		1,571		742
Institutional Investors		1,146		2,358		429		302
Investment Managers		1,437		1,521		478		481
Investments in New Businesses		248		501		119		76
LSV		59		41		275		172

Total from business segments	$	21,225	$	22,739	$	8,957	$	5,285

LSV Employee Group		—		—		1,821		1,820
Corporate Overhead		407		1,420		213		213

	$	21,632	$	24,159	$	10,991	$	7,318

The following tables highlight certain unaudited financial information about each of the Company’s business segments for the nine months ended September 30, 2007 and 2006.


	Private Banks			Investment Advisors			Institutional Investors			Investment Managers			Investments In New Businesses			LSV			Total
	For the Nine Month Period Ended September 30, 2007
Revenues	$	302,108		$	192,724		$	146,815		$	105,131		$	5,347		$	263,494		$	1,015,619
Expenses (3)		241,668			91,550			89,334			74,649			14,597			162,411			674,209

Operating profit (loss)	$	60,440		$	101,174		$	57,481		$	30,482		$	(9,250	)	$	101,083		$	341,410

Profit margin		20	%		52	%		39	%		29	%		N/A			38	%		34	%

(3)	The Private Banks segment includes $3,437 of minority interest of other shareholders relating to a joint venture. LSV includes $139,204 of minority interest of the other partners of LSV.


	Private Banks			Investment Advisors			Institutional Investors			Investment Managers			Investments In New Businesses			LSV			Total
	For the Nine Month Period Ended September 30, 2006
Revenues	$	273,176		$	165,646		$	119,166		$	86,138		$	5,346		$	210,763		$	860,235
Expenses (4)		204,666			82,745			77,814			67,158			16,843			129,768			578,994

Operating profit (loss)	$	68,510		$	82,901		$	41,352		$	18,980		$	(11,497	)	$	80,995		$	281,241

Profit margin		25	%		50	%		35	%		22	%		N/A			38	%		33	%

(4)	The Private Banks segment includes $4,045 of minority interest of other shareholders relating to a joint venture. LSV includes $110,519 of minority interest of the other partners of LSV.

Page 20 of 41

A reconciliation of the total reported for the business segments to income from operations in the Consolidated Statements of Operations for the nine month periods ended September 30, 2007 and 2006 is as follows:


	2007			2006
Total operating profit from segments above	$	341,410		$	281,241

Corporate overhead expenses		(30,459	)		(28,621	)
Minority interest reflected in segments		142,641			114,564
LSV Employee Group (2)		(5,460	)		(5,417	)

Income from operations	$	448,132		$	361,767

(2)	For the nine months ended September 30, 2007 and 2006, includes $5,416 in amortization expense of intangible assets related to LSV Employee Group.

The following tables provide additional information for the nine months ended September 30, 2007 and 2006 as required by SFAS 131 pertaining to our business segments:


	Capital Expenditures				Depreciation and Amortization
	2007		2006		2007		2006
Private Banks	$	45,071	$	43,342	$	13,276	$	10,286
Investment Advisors		16,307		15,227		3,111		2,257
Institutional Investors		3,554		7,611		1,152		931
Investment Managers		4,477		4,676		1,306		1,453
Investments in New Businesses		811		1,093		287		218
LSV		1,045		64		678		511

Total from business segments	$	71,265	$	72,013	$	19,810	$	15,656

LSV Employee Group		—		—		5,461		5,457
Corporate Overhead		1,221		4,371		596		735

	$	72,486	$	76,384	$	25,867	$	21,848

Note 11.

Income Taxes

Effective January 1, 2007, the Company adopted the provisions of FIN 48, which did not have a material impact on its financial statements. The Company’s total unrecognized tax benefit as of January 1, 2007 and September 30, 2007 was $11,275 and $13,434, respectively, of which approximately $10,980 and $12,469 would affect the effective tax rate if the Company were to recognize the tax benefit. During the nine months ended September 30, 2007, the Company has not recognized any material increase or decrease in tax liability for unrecognized tax benefits as a result of the implementation of FIN 48.

The Company files a consolidated federal income tax return and income tax returns with various states. Certain subsidiaries of the Company file tax returns in foreign jurisdictions. The Company’s federal income tax return is not currently under examination; however, certain prior year tax returns of the Company’s domestic and foreign subsidiaries are under examination by state and foreign tax authorities. The Company is no longer subject to U.S. federal income tax examination for years before 2004 and is no longer subject to state, local or foreign income tax examinations by tax authorities for years before 2000.

The portion of unrecognized tax benefit that is anticipated to be paid within 12 months is included in current taxes payable and the remaining amount of $11,910 is included in Other long-term liabilities as of September 30, 2007 on the accompanying Consolidated Balance Sheets. The Company recognized a tax benefit of $809 during the three months ended September 30, 2007 due to the

Page 21 of 41

expiration of a statute of limitation related to certain tax positions. In the next 12 month period, the Company expects to recognize $1,275 of unrecognized tax benefit from the expiration of the statute of limitations. The Company does not anticipate the recognition of any of these unrecognized tax benefits for the remainder of 2007. However, it is not reasonably possible to estimate the total amount of increase or decrease in these unrecognized tax benefits which may occur in the next 12 months due to the uncertainty of the outcome of examinations from taxing authorities, changes in the interpretation of tax laws resulting from undecided court cases and other factors.

The Company classifies interest and penalties recognized associated with uncertain tax positions as a component of income tax expense. As of January 1, 2007 and September 30, 2007, the Company had accrued approximately $1,817 and $1,644 of interest and penalties associated with our uncertain tax positions.

Note 12.

Capital Support Agreements

On November 8, 2007, the Company provided a guarantee in the form of Capital Support Agreements with two mutual funds (each, a Fund or, together, the Funds), the SEI Daily Income Trust Prime Obligation Fund (the Prime Fund) and the SEI Daily Income Trust Money Market Fund (the MM Fund). The Company is the advisor to the Funds. The subadvisor to the Funds is Columbia Management, which is the primary investment management division of Bank of America Corporation. Columbia Management entities furnish investment management services and advise institutional and mutual fund portfolios. Various clients of the Company are investors in the Funds. The Prime Fund is rated AAA and Aaa by Standards & Poor’s Corporation (S&P) and Moody’s Investor Services Inc. (Moody’s), respectively, and the MM Fund is rated Aaa by Moody’s.

On October 30, 2007, S&P advised the Company that it would place any mutual fund that had an AAA rating by S&P and which owned any securities issued by Cheyne Finance LLC (Cheyne) on credit watch with negative implications unless the fund was provided credit support having an A-1 short-term rating by S&P in an amount equal to 50 percent of the Cheyne position held. The Funds hold senior notes issued by Cheyne. Cheyne is a structured investment vehicle, which means that it issues commercial paper and other debt securities and uses the proceeds to purchase bonds or other long-term debt instruments that are used to collateralize the obligations of the vehicle. The Cheyne senior notes are collateralized by residential mortgage-backed securities, commercial mortgage-backed securities, corporate collateralized debt obligations and collateralized debt obligations of asset-backed securities. The receivers for Cheyne, partners of Deloitte & Touche LLP, have declared an insolvency event and Cheyne has ceased making payments on its outstanding notes on the scheduled maturity dates. The Cheyne securities are rated D by S&P and Ba3 by Moody’s.

Although the Company was not obligated to provide the credit support required by S&P, in order to avoid a credit watch action by S&P on the Prime Fund, and to address the needs of customers who require an S&P AAA rating of the Prime Fund, the Company entered into the Capital Support Agreement to satisfy S&P’s requirement. The Company entered into a similar agreement with the MM Fund.

Under the Capital Support Agreements, the Company is committed to provide capital to the Fund, subject to the aggregate limit of $126,000 in the case of the Prime Fund and $3,000 in the case of the MM Fund, if the Fund realizes payments or sales proceeds from specified structured investment vehicle securities, including the Cheyne senior notes, held by the Fund (the Covered Investments) which are less than the amortized cost of the Covered Investment. Upon the sale or other disposition of a Covered Investment, the amount of capital that the Company is required to contribute to a Fund would be the least of the following amounts: (i) the amount, if any, by which the amortized cost of the Covered Investment exceeds the amount realized from the sale or other disposition of the Covered Investments; (ii) the amount, if any, necessary to restore the net asset value per share of the Fund to $0.9950 (or in the case of the Prime Fund, so long as the Prime Fund is rated AAA by S&P, $0.9975), or (iii) the remaining amount of the aggregate limit of the Capital Support Agreement applicable to the Fund, taking into account all prior contributions. The obligations of the Company under the Capital Support Agreements are secured by letters of credit of a third party bank rated A-1 by S&P. The letters of credit were issued under the Company’s existing Credit Facility. The Capital Support Agreements and the letters of credit have a term of one year.

As of November 7, 2007, the aggregate net asset value of the Prime Fund was $6.05 billion and the aggregate net asset value of the MM Fund was $1.36 billion. As of November 7, 2007, the Covered

Page 22 of 41

Investments constituted approximately 14.0 percent and 7.1 percent, respectively, of the Prime Fund’s and MM Fund’s aggregate net asset values. Included in the Covered Investments in the Prime Fund and in the MM Fund are an aggregate of $252,000 and $20,000, respectively, of Cheyne senior notes.

In the event that the Company is required under the Capital Support Agreements to commit capital to any Fund, the Company will be required to pay the required capital contribution to the Fund and will not receive any consideration from the Fund, in the form of shares of the fund or any other form, for the contributed capital. The Company will record an expense equal to the amount of the contributed capital to the Fund in the period of that contribution. If the mark-to-market value of a Covered Investment is less than its amortized cost and if the aggregate net asset value of the Fund is less than $0.9950 (or in the case of the Prime Fund, so long as the Prime Fund is rated AAA by S&P, $0.9975), then, even though the loss has not been realized through the sale or other disposition of the Covered Investment, the Company will record an expense in the period, however, such an expense may be reversed in a subsequent period to the extent that the unrealized loss on the Covered Investments is reduced due to increases in the market value of the Covered Investment.

The Company has not been required to make any capital contributions to the Funds as of November 8, 2007 and as a result has recorded no expense.

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Item 2.

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

(In thousands, except asset balances and per share data)

This discussion reviews and analyzes the consolidated financial condition at September 30, 2007 and 2006, the consolidated results of operations for the three and nine months ended September 30, 2007 and 2006 and other key factors that may affect future performance. This discussion should be read in conjunction with the Consolidated Financial Statements and the Notes to the Consolidated Financial Statements.

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. 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 September 30, 2007, through our subsidiaries and partnerships in which we have a significant interest, we administer $422.6 billion in mutual fund and pooled assets, manage $201.7 billion in assets, and operate from more than 20 offices in over a dozen countries.

In January 2007, we changed the names of three of our business segments. The Private Banking & Trust business segment was renamed as Private Banks, the Enterprises business segment was renamed as Institutional Investors, and the Money Managers business segment was renamed as Investment Managers. Additionally, we reorganized the structure of two of our business segments. The investment management programs and services offered to global private banks of the Investments in New Businesses segment was moved to the Private Banks segment. For comparability, the prior period’s results have been reclassified to reflect the realignment of these two business segments.

The Company’s reportable business segments are:

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

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

Investments in New Businesses—provides investment management programs to affluent families residing in the United States and Europe 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.

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Financial Results

Revenues, Expenses and Income from Operations by business segment for the three and nine months ended September 30, 2007 compared to the three and nine months ended September 30, 2006 were as follows:


	Three Months Ended September 30,								Nine Months Ended September 30,
	2007			2006			Percent Change		2007			2006			Percent Change
Revenues:

Private Banks	$	104,280		$	94,058		11	%	$	302,108		$	273,176		11	%
Investment Advisors		65,715			55,117		19	%		192,724			165,646		16	%
Institutional Investors		51,275			42,115		22	%		146,815			119,166		23	%
Investment Managers		35,844			29,802		20	%		105,131			86,138		22	%
Investments in New Businesses		1,881			1,914		(2	)%		5,347			5,346		—
LSV		90,641			75,078		21	%		263,494			210,763		25	%

Total revenues	$	349,636		$	298,084		17	%	$	1,015,619		$	860,235		18	%

Expenses:

Private Banks		82,846			71,512		16	%		241,668			204,666		18	%
Investment Advisors		31,257			27,535		14	%		91,550			82,745		11	%
Institutional Investors		30,980			27,210		14	%		89,334			77,814		15	%
Investment Managers		25,445			22,131		15	%		74,649			67,158		11	%
Investments in New Businesses		5,020			6,118		(18	)%		14,597			16,843		(13	)%
LSV		56,252			45,990		22	%		162,411			129,768		25	%

Total expenses	$	231,800		$	200,496		16	%	$	674,209		$	578,994		16	%

Income from business segments:

Private Banks		21,434			22,546		(5	)%		60,440			68,510		(12	)%
Investment Advisors		34,458			27,582		25	%		101,174			82,901		22	%
Institutional Investors		20,295			14,905		36	%		57,481			41,352		39	%
Investment Managers		10,399			7,671		36	%		30,482			18,980		61	%
Investments in New Businesses		(3,139	)		(4,204	)	25	%		(9,250	)		(11,497	)	20	%
LSV		34,389			29,088		18	%		101,083			80,995		25	%

Total income from business segments	$	117,836		$	97,588		21	%	$	341,410		$	281,241		21	%

Corporate overhead		(9,754	)		(9,772	)	—			(30,459	)		(28,621	)	6	%
LSV Employee Group (1)		(1,820	)		(1,806	)	1	%		(5,460	)		(5,417	)	1	%
Minority interest reflected in segments (2)		49,016			40,749		20	%		142,641			114,564		25	%

Income from operations	$	155,278		$	126,759		22	%	$	448,132		$	361,767		24	%

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

(2)	Includes $47,671 and $39,653 for the three months ended September 30, 2007 and 2006, respectively, and $139,204 and $110,519 for the nine months ended September 30, 2007 and 2006, respectively, of minority interest of the other partners of LSV.

Page 25 of 41

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	As of September 30,				Percent
(In millions)	2007		2006		Change
Assets invested in equity and fixed-income programs	$	175,351	$	141,438	24	%
Assets invested in collective trust fund programs		11,102		14,044	(21	)%
Assets invested in liquidity funds		15,197		13,454	13	%

Assets under management		201,650		168,936	19	%

Client proprietary assets under administration		220,906		176,001	26	%

Assets under management and administration	$	422,556	$	344,937	23	%

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 which we provide administrative services, including client proprietary fund balances for which we provide administration and/or distribution services.

Consolidated Summary

Consolidated revenues increased $51.6 million, or 17 percent, to $349.6 million for the three months ended September 30, 2007 compared to the three months ended September 30, 2006. For the nine month period, revenues increased $155.4 million, or 18 percent, to $1.0 billion compared to the prior year period. Net income increased $12.8 million, or 21 percent, to $73.3 million for the three month period and $32.8 million, or 19 percent, to $206.2 million for the nine month period. Diluted earnings per share for the three month period were $.37 per share as compared to $.30 per share a year ago, an increase of 23 percent. In the nine month period, diluted earnings per share increased to $1.02 per share as compared to $0.85 per share a year ago, an increase of 20 percent.

In our opinion, the following items had a significant impact on our financial results for the three and nine month periods ended September 30, 2007 and 2006:

•

Revenue growth across all of our segments was primarily driven by higher asset-based fees from capital market appreciation throughout 2007 and late 2006. Favorable capital market conditions increased the value of assets we manage or administer for our existing clients, resulting in an increase in our base revenues. These market conditions also generated improved profits and operating margins in our Investment Advisors, Institutional Investors and Investment Managers business segments.

•

Sales of new business in our Institutional Investors and Investment Managers business segments as well as positive cash receipts in 2007 and late 2006 from new and existing advisor relationships in our Investment Advisors business segment also contributed to the increase in our revenues and profits.

•

In July 2007, the Global Wealth Platform was placed into service. Previously capitalized software development costs of $199.6 million, which includes $35.7 million capitalized during the first six months of 2007, will be amortized evenly over a period of 15 years. We recognized an additional $3.2 million in amortization expense related to the Global Wealth Platform during the third quarter. Additionally, we capitalized $14.4 million in the third quarter for enhancements and upgrades to expand the functionality of the Global Wealth Platform. We will continue to incur significant development costs for these enhancements and upgrades. Our intention is to implement enhancements and upgrades into the platform through a series of releases. The capitalized costs associated with these releases will be amortized over the remaining useful life of the platform. As we continue to progress through the project, we expect a larger portion of our costs will be incurred from maintenance and support of the platform. These costs will be expensed as incurred. Throughout 2007, we capitalized a total of $50.1 million, as compared to $53.9 million during the same period of 2006, in software development costs.

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•

Improvement in our consolidated operating margins was partially offset by increased spending for the development of the necessary infrastructure to deliver and support new company strategies and solutions and to service new clients. A substantial portion of these costs relate to personnel and third-party service providers.

•

In the first nine months of 2006, $5.7 million of software development costs for the Global Wealth Platform was written-off and affected all of our business segments except LSV.

•

We continued our stock repurchase program during 2007 and purchased approximately 2,286,000 shares at an average price of approximately $26 per share in the third quarter and 6,455,000 shares at an average price of approximately $28 per share in the nine month period.

•

In the nine month period of 2007, our net income was unfavorably impacted by an increase in our effective tax rate. Our effective tax rate was 36.5 percent for the nine months ended September 30, 2007 as compared to 33.5 percent for the similar period of 2006. The increase in the effective tax rate was primarily due to an increase in the effective state tax rate.

Business Segments

Private Banks


	Three Months Ended						Nine Months Ended
	September 30,				Percent		September 30,				Percent
	2007		2006		Change		2007		2006		Change
Revenues:
Investment processing and software servicing fees	$	56,183	$	54,351	3	%	$	161,018	$	152,968	5	%
Asset management, administration & distribution fees		39,111		31,816	23	%		112,022		93,853	19	%
Transaction-based and trade execution fees		8,986		7,891	14	%		29,068		26,355	10	%

Total revenues	$	104,280	$	94,058	11	%	$	302,108	$	273,176	11	%

Revenues increased $10.2 million, or 11 percent, in the three month period and $28.9 million, or 11 percent, in the nine month period ended September 30, 2007 compared to the prior year corresponding period and were primarily affected by:

•

Increased assets under management caused by improved capital market conditions and additional asset funding from existing international investment management clients; and

•

An increase in revenues in our BSP solution from cross-sales of other services to existing clients; partially offset by

•

A decrease in non-recurring revenues in our ASP solution due to a one-time fee of $4.7 million received by us from the buyout of an existing contract in the third quarter of 2006 and from implementation fees earned in the prior year period from client acquisitions.

Operating margins declined to 21 percent, as compared to 24 percent in the three month period and to 20 percent, as compared to 25 percent in the nine month period. Operating income decreased $1.1 million, or five percent, in the three month period and $8.1 million, or 12 percent, in the nine month period and was primarily affected by:

•

Increased direct expenses associated with higher levels of assets from new and existing international investment management clients;

•

Increased personnel expenses, including stock-based compensation expenses, and other operational costs necessary to deliver business outsourcing solutions to existing clients;

•

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

•

Amortization expense related to the release of the Global Wealth Platform at the beginning of the third quarter; partially offset by

•

An increase in revenues.

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Investment Advisors

Revenues increased $10.6 million, or 19 percent, in the three month period and $27.1 million, or 16 percent, in the nine month period ended September 30, 2007 and were primarily affected by:

•

Increased investment management fees from existing clients due to higher assets under management caused by improved capital market conditions and positive cash receipts from new and existing advisor relationships.

Operating margins increased to 52 percent, as compared to 50 percent in both the three and nine month periods. Operating income increased $6.9 million, or 25 percent, in the three month period and $18.3 million, or 22 percent, in the nine month period and was primarily affected by:

•

An increase in revenues;

•

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

•

Increased personnel costs, including stock-based compensation expenses, for our investment advisors business and investment management operations;

•

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

•

Amortization expense related to the release of the Global Wealth Platform at the beginning of the third quarter; and

•

Increased direct expenses associated with the increase in revenues.

Institutional Investors

Revenues increased $9.2 million, or 22 percent, in the three month period and $27.6 million, or 23 percent, in the nine month period ended September 30, 2007 and were primarily affected by:

•

Asset funding from new sales of our retirement and not-for-profit solutions;

•

Asset funding from existing clients; and

•

Increased assets under management from existing clients caused by improved capital market conditions.

Operating margins increased to 40 percent, as compared to 35 percent in the three month period and increased to 39 percent, as compared to 35 percent in the nine month period. Operating income increased $5.4 million, or 36 percent, in the three month period and $16.1 million, or 39 percent, in the nine month period and was primarily affected by:

•

An increase in revenues; less

•

Increased direct expenses associated with the increase in revenues;

•

Increased personnel costs, including stock-based compensation expenses, for our international institutional business and investment management operations; and

•

Increased sales compensation expenses related to sales of new business.

Investment Managers

Revenues increased $6.0 million, or 20 percent, in the three month period and $19.0 million, or 22 percent, in the nine month period ended September 30, 2007 and were primarily affected by:

•

Asset funding from existing clients of hedge fund, separately managed account and total operational outsourcing solutions;

•

Increased assets under administration from existing clients caused by improved capital market conditions; and

•

Cash flows from new clients; partially offset by

•

Client losses.

Operating margins increased to 29 percent, as compared to 26 percent in the three month period and to 29 percent, as compared to 22 percent in the nine month period. Operating income increased $2.7 million, or 36 percent, in the three month period, and $11.5 million, or 61 percent in the nine month period, and was primarily affected by:

•

An increase in revenues; partially offset by

•

Increased personnel costs, including stock-based compensation expenses, and technology costs related to our hedge fund, separate account and total operational outsourcing solutions; and

•

Increased sales compensation expenses related to sales of new business.

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LSV

Revenues increased $15.6 million, or 21 percent, in the three month period and $52.7 million, or 25 percent, in the nine month period ended September 30, 2007 and were primarily affected by:

•

Increased assets under management from capital market appreciation.

Our total partnership interest in LSV remained at approximately 43 percent during the nine month periods ended September 30, 2007 and 2006. Operating margins declined slightly to 38 percent, as compared to 39 percent in the three month period and remained flat at 38 percent in the nine month period. Operating income increased $5.3 million, or 18 percent, in the three month period, and $20.1 million, or 25 percent in the nine month period, and was primarily affected by:

•

An increase in revenues as previously described; partially offset by

•

Increased personnel costs.

Other

Other Income and Expense Items

Other income and expense items on the accompanying Consolidated Statements of Operations consists of the following:


	Three Months Ended September 30,						Nine Months Ended September 30,
	2007			2006			2007			2006
Net loss from investments	$	(202	)	$	(2,226	)	$	(1,515	)	$	(1,866	)
Interest and dividend income		4,381			3,397			13,314			9,149
Interest expense		(1,267	)		(1,475	)		(3,696	)		(4,078	)
Minority interest		(46,463	)		(37,731	)		(134,439	)		(105,858	)
Other		—			—			2,952			1,588

Total other income and expense items, net	$	(43,551	)	$	(38,035	)	$	(123,384	)	$	(101,065	)

Other in the nine month period of 2007 includes a one-time gain of approximately $3.0 million recognized from the sale of our remaining ownership in a joint-venture.

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


	Three Months Ended September 30,						Nine Months Ended September 30,
	2007			2006			2007			2006
LSV Asset Management	$	(47,671	)	$	(39,653	)	$	(139,204	)	$	(110,519	)
LSV Employee Group		2,727			3,018			8,376			8,706
Other entities		(1,519	)		(1,096	)		(3,611	)		(4,045	)

Total minority interest	$	(46,463	)	$	(37,731	)	$	(134,439	)	$	(105,858	)

Net loss from investments consists of the following:


	Three Months Ended September 30,						Nine Months Ended September 30,
	2007			2006			2007			2006
Realized (loss) gain from sales of marketable securities	$	(98	)	$	—		$	(94	)	$	1,901
Decrease in fair value of derivative financial instruments		(267	)		(414	)		(1,371	)		(496	)
Other-than-temporary declines in market value		—			(1,979	)		—			(1,979	)
Other realized gains (losses)		163			167			(50	)		(1,292	)

Net loss from investments	$	(202	)	$	(2,226	)	$	(1,515	)	$	(1,866	)

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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 seed investments are classified as securities available for sale. The 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 quarterly earnings (See Note 5 to the Consolidated Financial Statements).

Other realized gains (losses) in the nine month periods of 2007 and 2006 include write-downs of approximately $500 thousand in the second quarter 2007 and $1.5 million in the third quarter 2006, respectively, related to an investment in a private company. The write down in 2007 represented the remaining balance of the investment in the company.

Interest income is earned based upon the amount of cash that is invested daily. The increase in interest income in the nine month period of 2007 compared to 2006 resulted from higher cash balances and an increase in interest rates.

Stock-Based Compensation

Our stock options 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. 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 factors change and we employ different assumptions for estimating stock-based compensation expense in future periods, or if we decide to use a different valuation model, future periods may differ significantly from what we have recorded in the current period. 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. During the nine month period ended September 30, 2007, we accelerated the recognition of $1,160 in stock-based compensation expense due to a change in management’s estimate of when certain vesting targets are expected to be achieved. We recognized approximately $20.5 million in stock-based compensation expense in the first nine months of 2007. 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
Remainder of 2007	$	6,856
2008		14,360
2009		7,122
2010		3,861
2011		3,861
2012		3,819
2013		1,979

	$	41,858

Income Taxes

Our effective tax rates were 34.4 percent and 31.8 percent for the three months ended September 30, 2007 and 2006, respectively. For the nine months ended September 30, 2007 and 2006, our effective tax rates were 36.5 percent and 33.5 percent, respectively. The increase in effective tax rates was primarily due to an increase in the effective state tax rate. The tax rate in the third quarter of 2006 was favorably impacted from a tax legislative change which provided a cumulative benefit in that quarter.

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New Accounting Pronouncements

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.

In February 2007, the FASB issued FASB Statement No. 159 (SFAS 159), “The Fair Value Option for Financial Assets and Financial Liabilities.” SFAS 159 permits companies to choose to measure certain financial instruments and certain other items at fair value. The standard requires that unrealized gains and losses on items for which the fair value option has been elected be reported in earnings. SFAS 159 is effective for all financial statements issued for fiscal years beginning after November 15, 2007. We do not expect the adoption of SFAS 159 to have a material impact on our financial statements.

Subsequent Event—Money Market Fund Support

On November 8, 2007, SEI provided a guarantee in the form of Capital Support Agreements with two mutual funds (each, a Fund or, together, the Funds), the SEI Daily Income Trust Prime Obligation Fund (the Prime Fund) and the SEI Daily Income Trust Money Market Fund (the MM Fund). SEI is the advisor to the Funds. The subadvisor to the Funds is Columbia Management, which is the primary investment management division of Bank of America Corporation. Columbia Management entities furnish investment management services and advise institutional and mutual fund portfolios. Various SEI clients are investors in the funds. The Prime Fund is rated AAA and Aaa by Standards & Poor’s Corporation (S&P) and Moody’s Investor Services Inc. (Moody’s), respectively, and the MM Fund is rated Aaa by Moody’s.

On October 30, 2007, S&P advised SEI that it would place any mutual fund that had an AAA rating by S&P and which owned any securities issued by Cheyne Finance LLC (Cheyne) on credit watch with negative implications unless the fund was provided credit support having an A-1 short-term rating by S&P in an amount equal to 50 percent of the Cheyne position held. The Funds hold senior notes issued by Cheyne. Cheyne is a structured investment vehicle, which means that it issues commercial paper and other debt securities and uses the proceeds to purchase bonds or other long-term debt instruments that are used to collateralize the obligations of the vehicle. The Cheyne senior notes are collateralized by residential mortgage-backed securities, commercial mortgage-backed securities, corporate collateralized debt obligations and collateralized debt obligations of asset-backed securities. The receivers for Cheyne, partners of Deloitte & Touche LLP, have declared an insolvency event and Cheyne has ceased making payments on its outstanding notes on the scheduled maturity dates. The Cheyne securities are rated D by S&P and Ba3 by Moody’s.

Although SEI was not obligated to provide the credit support required by S&P, in order to avoid a credit watch action by S&P on the Prime Fund, and to address the needs of customers who require an S&P AAA rating of the Prime Fund, SEI entered into the Capital Support Agreement to satisfy S&P’s requirement. SEI entered into a similar agreement with the MM Fund. SEI believes as a result of the Capital Support Agreements, the Prime Fund will retain its AAA and Aaa rating by S&P and Moody’s, respectively, and the MM Fund will retain its Aaa rating by Moody’s.

Under the Capital Support Agreements, SEI is committed to provide capital to the Fund, subject to the aggregate limit of $126.0 million in the case of the Prime Fund and $3.0 million in the case of the MM Fund, if the Fund realizes payments or sales proceeds from specified structured investment vehicle securities, including the Cheyne senior notes, held by the Fund (the Covered Investments) which are less than the amortized cost of the Covered Investment. Upon the sale or other disposition of a Covered Investment, the amount of capital that the Company is required to contribute to a Fund would be the least of the following amounts: (i) the amount, if any, by which the amortized cost of the Covered Investment exceeds the amount realized from the sale or other disposition of the Covered Investments; (ii) the amount, if any, necessary to restore the net asset value per share of the Fund to $0.9950 (or in the case of the Prime Fund, so long as the Prime Fund is rated AAA by S&P, $0.9975), or (iii) the remaining amount of the aggregate limit of the Capital Support Agreement applicable to the Fund, taking into account all prior contributions. The obligations of the Company under the Capital Support Agreements are secured by letters of credit of a third party bank rated A-1 by S&P. The letters of credit were issued under the Company’s existing Credit Facility (described in “Liquidity and Capital Resources” below). The Capital Support Agreements and the letters of credit have a term of one year.

As of November 7, 2007, the aggregate net asset value of the Prime Fund was $6.05 billion and the aggregate net asset value of the MM Fund was $1.36 billion. As of November 7, 2007, the Covered Investments constituted approximately 14.0 percent and 7.1 percent, respectively, of the Prime Fund’s and MM Fund’s aggregate net asset values. Included in the Covered Investments in the Prime Fund and in the MM Fund are an aggregate of $252.0 million and $20.0 million, respectively, of Cheyne senior notes.

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To the extent that SEI is required under the Capital Support Agreements to commit capital to any Fund, SEI will be required to pay the required contribution to the Fund and, for accounting purposes, will record an expense in the period of that contribution. If the mark-to-market value of a Covered Investment is less than its amortized cost and if the aggregate net asset value of the Fund is less than $0.9950 (or in the case of the Prime Fund, so long as the Prime Fund is rated AAA by S&P, $0.9975), then, even though the loss has not been realized through the sale or other disposition of the Covered Investment, SEI will record an expense for accounting purposes in the period. However, this non-cash expense may be reversed in a subsequent period to the extent that the unrealized loss on the Covered Investments is reduced due to increases in the market value of the Covered Investments.

For example, if the Cheyne senior notes included in the Covered Investments were to be disposed of at 90 percent of their amortized cost, then, based on the current net asset values of the Funds and assuming that the aggregate net asset value of the Funds do not change except for changes in the net asset value attributable to the Cheyne senior notes, SEI would have an obligation under the Capital Support Agreement with the Prime Fund to contribute capital to the Prime Fund of $11.9 million, and SEI would incur an expense for the same amount. If the mark-to-market value of the Cheyne senior notes included in the Covered Investments was reduced to 90 percent of their amortized cost but the Cheyne senior notes were continued to be held by the Fund, SEI would not then have an obligation to contribute capital to the Prime Fund, but would incur a non-cash expense of approximately $11.9 million, which could be reversed in a subsequent period if the mark-to-market value of the Cheyne senior notes increased. In the case of the MM Fund, a disposition or mark-to-market valuation of the Cheyne senior notes held by the MM Fund at 90 percent of their amortized cost would not require either a capital contribution or the recognition of an expense. The 90 percent value assumed in this example is for illustrative purposes only and should not be interpreted as an estimate of the market value of, or the expected recovery on, the Cheyne senior notes included in the Covered Investments. It should also not be interpreted as an estimate of any loss which might be incurred by SEI.

Based on the current net asset values of the Funds and assuming that the aggregate net asset value of the Funds do not change except for changes in the net asset value attributable to the Covered Investments, the net asset value of the Covered Investments would have to decline in the aggregate by approximately one percent in the Prime Fund or approximately six percent in the MM Fund before SEI would have an obligation under the Capital Support Agreements to contribute capital.

Changes in the net asset value of the Funds are dependent upon net investments or redemptions in the Fund and the net asset value as adjusted from time to time of the Funds’ portfolio assets. Changes in these amounts from time to time, including changes in portfolio assets resulting from mark-to-market adjustments, will affect the per share net asset value of the Funds. The credit markets remain volatile and the Covered Investments could in the future experience mark-to-market adjustments and sale or other disposition transactions which could affect SEI’s liability with respect to the Capital Support Agreements.

SEI has not been required to make any capital contributions to the Funds as of November 8, 2007 and as a result has recorded no expense.

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Liquidity and Capital Resources


	For the Nine Months Ended September 30,
	2007			2006
Net cash provided by operating activities	$	265,902		$	251,900
Net cash used in investing activities		(74,630	)		(88,756	)
Net cash used in financing activities		(181,026	)		(61,991	)

Net increase in cash and cash equivalents		10,246			101,153

Cash and cash equivalents, beginning of period		286,948			130,128

Cash and cash equivalents, end of period	$	297,194		$	231,281

Cash requirements and liquidity needs are primarily funded through our cash flow from operations and our capacity for additional borrowing. At September 30, 2007, our unused sources of liquidity consisted of unrestricted cash and cash equivalents of $297.2 million and the full amount available through a credit facility of $200.0 million. In July 2007, we entered into a new credit facility agreement and terminated the old credit facility agreement which was scheduled to expire in September 2007. The new credit facility agreement provides for borrowings of up to $200.0 million and expires in July 2012. The availability of the new credit facility is subject to the compliance with certain covenants set forth in the agreement.

In November 2007, we provided guarantees in the form of Capital Support Agreements with two mutual funds sponsored by the Company as previously described under the section “Subsequent Event—Money Market Fund Support.” We may be required to provide capital to these mutual funds under certain conditions up to an aggregate amount of $129.0 million. In the event that capital must be provided to these mutual funds, we may, at our discretion, utilize the credit facility or contribute the required capital from unrestricted cash. However, so long as the letters of credit remain outstanding, the amount available under the credit facility will be reduced by the amount of the letters of credit. Therefore, only the remaining $71.0 million is unrestricted and may be used for other purposes as determined by management. The aggregate amount of the credit facility may be increased by an additional $100.0 million under certain conditions set forth in the agreement. Some of the covenants contained within the credit facility were amended as a result of the Capital Support Agreements that provide certain allowances and exemptions for transactions arising solely from the Capital Support Agreements. As of November 8, 2007, the Company had not made any capital contribution to the mutual funds.

Cash flows from operations increased $14.0 million in 2007 compared to 2006 due primarily to an increase in net income. Cash flows in 2006 were significantly affected by the requirement to consolidate the accounts of LSV and LSV Employee Group, which increased net cash provided by operating activities by $70.5 million.

Net cash used in investing activities primarily includes the capitalization of costs incurred in developing computer software, purchases and sales of marketable securities, and capital expenditures. In July 2007, the Global Wealth Platform was placed into service. Previously capitalized software development costs of $199.6 million, which includes $35.7 million capitalized during the first six months of 2007, will be amortized evenly over a period of 15 years. We capitalized $14.4 million in the third quarter for enhancements and upgrades to the Global Wealth Platform. Our intention is to implement enhancements and upgrades into the platform through a series of releases. The capitalized costs associated with these releases will be amortized over the remaining useful life of the platform. Throughout 2007, we capitalized a total of $50.1 million, as compared to $53.9 million during the same period of 2006, in software development costs.

We had $5.0 million and $17.2 million in net purchases of marketable securities in 2007 and 2006, respectively. Purchases and sales of marketable securities are mainly for the start-up of new investment products to be offered to our clients. The length of time we remain invested in these investment products is dependent upon client subscriptions. We will redeem our investment as clients subscribe to these new products.

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Capital expenditures in 2007 and 2006 primarily include the expansion of our corporate headquarters, which was substantially completed during the third quarter 2007. Through September 30, 2007, we spent approximately $25.7 million related to the expansion project, of which $10.6 million was spent in the first nine months of 2007. Capital expenditures in 2007 and 2006 also include new computer-related equipment associated with the release of the Global Wealth Platform.

Net cash used in financing activities primarily includes principal payments of our debt, the repurchase of our common stock and dividend payments. Principal payments on our debt were $9.0 million in 2007 and $5.4 million in 2006. Payments in 2007 include a voluntary principal pre-payment of $5.0 million consisting of the remaining balance of our Senior Notes. Principal payments made by LSV Employee Group for amounts included in our debt were $13.7 million in 2007 and $7.3 million in 2006.

Our Board of Directors has authorized the repurchase of up to $1.4 billion worth of our common stock. Through October 31, 2007, we repurchased approximately 248.3 million shares of our common stock at a cost of $1.3 billion and had $133.4 million of authorization remaining for the purchase of our common stock under this program. We spent approximately $183.9 million during the first nine months of 2007 and $81.6 million during the first nine months of 2006 for the repurchase of our common stock. Currently, there is no expiration date for our common stock repurchase program.

Cash dividends paid were $25.7 million or $.13 per share in the first nine months of 2007 and $22.7 million or $.11 per share in the first nine months of 2006. Our Board of Directors intends to declare future dividends on a semi-annual basis.

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 and future dividend payments.

Significant Agreement

On January 24, 2006, we entered into a Guaranty and Collateral Agreement with LSV Employee Group, LaSalle Bank National Association and certain other lenders. We entered into the agreement in order to facilitate the acquisition of certain partnership interests of LSV by LSV Employee Group. Additional information pertaining to the agreement is presented in Note 2 of the Notes to the Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for 2006. There have been no material changes in the terms or conditions of the agreement from those disclosed in our Annual Report on Form 10-K for 2006.

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Forward-Looking Information and Risk Factors

The Private Securities Litigation Reform Act of 1995 provides a “safe harbor” for forward-looking statements. 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 our latest Annual Report on Form 10-K in Part I, Item 1A. These risks include the following:

•

changes in capital markets that may affect our revenues and earnings;

•

product development risk;

•

the performance of the funds we manage;

•

consolidation within our target markets, including consolidations between banks and other financial institutions;

•

the affect of extensive governmental regulation;

•

systems and technology risks;

•

data security risks;

•

third party approval of our investment products with advisors affiliated with independent broker-dealers or other networks;

•

operational risks associated with the processing of investment transactions;

•

risk of failure by a third-party service provider;

•

changes in, or interpretation of, accounting principles or tax rules and regulations;

•

fluctuations in foreign currency exchange rates; and

•

retention of senior management personnel.

In addition to the risks listed above, certain of our money market funds hold structured investment vehicles, two of which to date have failed to meet payment obligations on the scheduled maturity dates. In light of the current environment in the credit markets, it is possible that additional structured investment vehicles or similar securities could face difficulty meeting payment obligations in the future. In addition, these and other securities held by these money market funds are affected by market fluctuations in the credit markets. A significant reduction in the value of these securities could result in a reduced credit rating of these funds or affect the ability of the funds to maintain a stable net asset value of $1.00 per share. This could impact our revenues or cause the Company to make a capital contribution to the funds without consideration which would result in a loss. For further information, see discussion in “Subsequent Event—Money Market Fund Support.”

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 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.

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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.

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Item 3.

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 $44.8 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 September 30, 2007, we held derivative financial instruments with a notional amount of $11.7 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 2007 or 2006.

Income before income taxes include losses of $1.4 million and $496 thousand in the nine month periods of 2007 and 2006, 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	$	6,311
Debt securities		625
Equities securities		945

	$	7,881

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.

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Item 4.

Controls and Procedures.

(a) Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures as of the end of the period covered by this report are functioning effectively to provide reasonable assurance that the information required to be disclosed by us in reports filed under the Securities Exchange Act of 1934 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. A controls system, no matter how well designed and operated, cannot provide absolute assurance that the objectives of the controls systems are met, and no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within a company have been detected.

(b) Change in Internal Control over Financial Reporting

No change in our internal control over financial reporting occurred during the quarter ended September 30, 2007 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1.

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.

Item 1A.

Risk Factors

Information regarding risk factors appears in Part I—Item 1A of the Company’s Annual Report on Form 10-K for the year ended December 31, 2006. Except for the risks associated with holdings of structured investment vehicles in our money market funds as previously described under the section “Forward Looking Information and Risk Factors” included in Management’s Discussion and Analysis of Financial Condition and Results of Operations, there have been no material changes in our risk factors from those disclosed in our Annual Report on Form 10-K for 2006.

Item 2.

Unregistered Sales of Equity Securities and Use of Proceeds.

(c)	Our Board of Directors has authorized the repurchase of up to $1.4 billion worth of our common stock, which includes an additional authorization of $100.0 million on October 23, 2007. Currently, there is no expiration date for our common stock repurchase program.

Information regarding the repurchase of common stock during the three months ended September 30, 2007 is as follows:


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
July 1 – 31, 2007	292,000	$	27.70	292,000	$	84,473,000
August 1 – 31, 2007	1,819,500		25.62	1,819,500		37,858,000
September 1 – 30, 2007	174,000		25.58	174,000		33,399,000

Total	2,285,500		25.88	2,285,500

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Item 6.

Exhibits.

The following is a list of exhibits filed as part of the Form 10-Q.


10.1		Capital Support Agreement, dated November 8, 2007 between SEI Investments Company and SEI Daily Income Trust Prime Obligation Fund.

10.2		Capital Support Agreement, dated November 8, 2007 between SEI Investments Company and SEI Daily Income Trust Money Market Fund.

10.3		Amendment No. 1 to Credit Agreement, dated as of November 7, 2007 among SEI Investments Company, JPMorgan Chase Bank, N.A., individually and as Administrative Agent and the other financial institutions described therein.

10.4		Letter of Credit, dated November 7, 2007 in favor of SEI Daily Income Trust Prime Obligation Fund.

10.5		Letter of Credit, dated November 7, 2007 in favor of SEI Daily Income Trust Money Market Fund.

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.

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SIGNATURES

Pursuant to the requirements 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: November 9, 2007	By:	/s/ Dennis J. McGonigle
		Dennis J. McGonigle
		Chief Financial Officer

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Capital Support Agreement

Exhibit 10.1

CAPITAL SUPPORT AGREEMENT

THIS CAPITAL SUPPORT AGREEMENT (this “Agreement”) is made as of the 8th day of November, 2007, by and between SEI Investments Company (the “Support Provider”) and SEI Daily Income Trust Prime Obligation Fund (the “Fund”).

WITNESSETH:

WHEREAS, the Fund is an investment company registered with the Securities and Exchange Commission in accordance with the Investment Company Act of 1940 (as amended, the “1940 Act”);

WHEREAS, the Fund is a money market fund that seeks to maintain a stable net asset value of $1.00 per share using the Amortized Cost Method as defined in and in accordance with Rule 2a-7 promulgated under the 1940 Act (as amended, “Rule 2a-7”);

WHEREAS, the Fund holds notes and other instruments (the “Notes”) issued by Cheyne Finance LLC and other structured investment vehicles shown on Schedule A attached hereto (each, an “Issuer”);

WHEREAS, Rule 2a-7(c)(6)(ii) requires a money market fund to “dispose of [a portfolio] security as soon as practicable consistent with achieving an orderly disposition of the security, …, absent a finding by the board of directors that disposal of the portfolio security would not be in the best interests of the money market fund (which determination may take into account, among other factors, market conditions that could affect the orderly disposition of the portfolio security)” upon the occurrence of certain events;

WHEREAS, one or more of the events specified in Rule 2a-7(c)(6)(ii) have occurred with respect to certain of the Notes;

WHEREAS, a sale of the Notes under current market conditions is unlikely to result in the full recovery of the Fund’s investments, and may cause the Fund to realize losses to the extent that it could no longer maintain a stable net asset value of $1.00 per share;

WHEREAS, the Fund’s failure to maintain a stable net asset value of $1.00 per share could adversely affect the Support Provider’s proprietary mutual fund business, which would reduce the profits derived by the Support Provider from this line of business and potentially injure the Support Provider’s goodwill and reputation; and

WHEREAS, the Board of Trustees of the Fund (each a “Board”) will consider this Agreement in determining whether disposal of the Notes currently would be in the best interest of the Fund:

NOW, THEREFORE, in consideration of the above premises, and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound, the Support Provider hereby agrees as follows:

1. Definitions. In addition to the terms defined elsewhere in this Agreement, the following terms have the meanings indicated:

(a) “Amortized Cost Value” means, with respect to any Eligible Note held by the Fund, the value of that Eligible Note as determined using the Amortized Cost Method in accordance with Rule 2a-7 on the relevant date.

(b) “Capital Contribution” means a cash contribution by the Support Provider to the Fund for which the Support Provider does not receive any shares or other consideration from the Fund.

(i)

Any sale of the Eligible Note by the Fund for cash in an amount, after deduction of any commissions or similar transaction costs, less than the Amortized Cost Value of the Eligible Note sold as of the date of settlement;

(ii)

Receipt of final payment on the Eligible Note in an amount less than the Amortized Cost Value of that Eligible Note as of the date such payment is received; or

(iii)

Issuance of orders by a court having jurisdiction over the matter discharging the Issuer from liability for the Eligible Note and providing for payments on that Eligible Note in an amount less than the Amortized Cost Value of that Eligible Note as of the date such payment is received.

The excess of the Amortized Cost Value of the Eligible Notes subject to a Contribution Event over the amount received by the Fund in connection with such Contribution Event shall constitute the “Loss” on such Eligible Notes.

(d) “Eligible Notes” means the Notes held by the Fund as portfolio securities on the date hereof or any Replacement Notes other than Qualifying New Securities.

(e) “Letter of Credit” means one or more letters of credit issued by the Letter of Credit Provider for the benefit of the Fund in an aggregate amount equal to $126,000,000, and which shall terminate no sooner than the date set forth in Section 3(c)(iv) of this Agreement.

(f) “Letter of Credit Provider” means JP Morgan Chase Bank, NA., or any substitute provider whose obligations are rated as First Tier Securities as defined in paragraph (a)(12) of Rule 2a-7.

(g) “Maximum Contribution Amount” means one hundred twenty six million dollars ($126,000,000).

(h) “Minimum Permissible NAV” means $0.9975 for so long as the Fund is rated by Standard & Poor’s, and $0.995 if the Fund is not rated by Standard & Poor’s.

(i) “NAV Deviation” means the deviation, if any, of the Fund’s current net asset value per share calculated using available market quotations (or an appropriate substitute that reflects current market conditions) below the Fund’s price per share for purposes of distribution, redemption and repurchase of its shares calculated using the Amortized Cost Method. The NAV Deviation shall be calculated in accordance with procedures adopted by the Fund’s Board in compliance with Rule 2a-7(c)(7)(ii)(A), except that, for purposes of calculating the Required Contribution Amount, it shall exclude any account receivable or other asset representing the Support Provider’s obligations under this Agreement.

(j) “Permissible NAV Deviation” means $0.0025 for so long as the Fund is rated by Standard & Poor’s, and $0.005 if the Fund is not rated by Standard & Poor’s.

-2-

(k) “Qualifying New Securities” means any Notes or Replacement Notes which are or become “Eligible Securities,” as defined in paragraph (a)(10) of Rule 2a-7.

(l) “Replacement Notes” means any securities or other instruments received in exchange for, or as a replacement of, the Notes as a result an exchange offer, debt restructuring, reorganization or similar transaction pursuant to which the Notes are exchanged for, or replaced with, new securities of the Issuer or a third party.

(m) “Required Contribution Amount” means for the Fund on the date of any Contribution Event: (i) if the Fund’s NAV Deviation, after giving effect to any Contribution Events and all payments received by the Fund in respect of the Eligible Notes, exceeds the Permissible NAV Deviation, a Capital Contribution in an amount sufficient to reduce the Fund’s NAV Deviation to such Permissible NAV Deviation after giving effect to such Capital Contribution, or (ii), in any other event, zero. The Required Contribution Amount is intended to enable the Fund to maintain its net asset value per share at no less than the Minimum Permissible NAV.

2. Covenants of the Fund. The Fund agrees that:

(a) To the extent consistent with the Fund’s interest, the Board shall consult with the Support Provider with respect to all decisions regarding each Eligible Note (including, but not limited to, any decision to sell the Eligible Note or to forgo the right to any payment) prior to the occurrence of a Contribution Event with respect to that Eligible Note. Nothing in this Agreement shall be construed to cause the delegation by the Board to any person any authority which is not permitted to be delegated under Rule 2a-7.

(b) The Fund will retain any Capital Contribution and not include the Capital Contribution in any dividend or other distribution to the Fund’s shareholders. For the avoidance of doubt, for purposes of this subparagraph, the redemption of the Fund’s shares shall not constitute a “distribution” to shareholders.

(c) The Fund will sell the Eligible Notes (i) promptly following any change in the Letter of Credit Provider’s short term credit ratings such that the Letter of Credit Provider’s obligations no longer qualify as First Tier Securities as defined in paragraph (a)(12) of Rule 2a-7, or (ii) on the business day immediately prior to the date set forth in subparagraph 3(c)(iv); provided that, the Fund shall not be required to complete any such sale if the amount the Fund expects to receive would not result in the payment of a Capital Contribution, or, with respect to an event described in 2(c)(i) above, if the Support Provider substitutes an obligation or credit support that satisfies the requirement of a First Tier Security within fifteen (15) calendar days from the occurrence of such event and, during such 15 day period, the Letter of Credit Provider’s obligations continue to qualify as Second Tier Securities under paragraph (a)(22) of Rule 2a-7.

3. Contributions to Fund.

(a) If a Contribution Event occurs prior to the occurrence of a Termination Event, the Support Provider will make a Capital Contribution in an amount equal to the least of (i) the Loss incurred as a result of such Contribution Event, (ii) the Required Contribution Amount, or (iii) the Maximum Contribution Amount reduced by the amount of any Capital Contribution previously made by the Support Provider to the Fund.

-3-

(b) The Support Provider shall make the Capital Contribution to the Fund not later than one business day after the occurrence of a Contribution Event, by 12:00 noon, Eastern Time. Each Capital Contribution made hereunder shall be made in immediately available funds, without deduction, set-off or counterclaim, to the Fund. In the event that the Support Provider does not make a Capital Contribution when due, the Fund will draw upon the Letter of Credit by 4:00 p.m. on the day that such Capital Contribution was required to have been made in an amount equal to the Capital Contribution that is due, and any amount received under such Letter of Credit shall be deemed to be a Capital Contribution made hereunder by the Support Provider.

(c) The obligation of the Support Provider to make Capital Contributions pursuant to this Agreement shall terminate upon the earliest to occur of (such occurrence, the “Termination Event”) (i) the repayment in full, in cash, of all Eligible Notes, (ii) the Support Provider having made Capital Contributions equal to the Maximum Contribution Amount, (iii) the receipt of Replacement Notes for all of the Notes that are, or become, Qualifying New Securities, and (iv) 5:00 p.m. Eastern Time on November 6, 2008. Upon the occurrence of a Termination Event, the Fund shall surrender the Letter of Credit for cancellation.

4. Reliance by the Fund and the Board. The Support Provider acknowledges and consents to:

(a) The Board’s reliance on the Support Provider’s obligations under this Agreement in making any determination required under Rule 2a-7; and

(b) For purposes of calculating the Fund’s NAV Deviation, the inclusion of the Capital Contribution that would be payable to the Fund under this Agreement if all of the Eligible Notes were sold on the date of such calculation for the market value used to calculate such NAV Deviation; and

(c) The inclusion of such amount in the Fund’s audited or unaudited financial statements, to the extent required by generally accepted accounting principles.

5. Representations and Warranties. The Support Provider hereby represents and warrants that:

(a) It is duly organized and validly existing under the laws of the jurisdiction of its organization or incorporation and, if relevant under such laws, in good standing;

(b) It has the power to execute this Agreement, to deliver this Agreement and to perform its obligations under this Agreement and has taken all necessary action to authorize such execution, delivery and performance;

(c) Such execution, delivery and performance do not violate or conflict with any law applicable to it, any provision of its constitutional documents, any order or judgment of any court or other agency of government applicable to it or any of its assets or any contractual restriction binding on or affecting it or any of its assets;

(d) All governmental and other consents that are required to have been obtained by it with respect to this Agreement to which it is a party have been obtained and are in full force and effect and all conditions of any such consents have been complied with;

(e) Its obligations under this Agreement to which it is a party constitute its legal, valid and binding obligations, enforceable in accordance with their respective terms (subject to applicable bankruptcy, reorganization, insolvency, moratorium or similar laws affecting creditors’ rights generally and subject, as to enforceability, to equitable principles of general application (regardless of whether enforcement is sought in a proceeding in equity or at law)); and

-4-

(f) Its obligations under this Agreement shall be supported by a Letter of Credit issued for the benefit of the Fund and provided by the Letter of Credit Provider, which has obtained short-term credit ratings of A-1 from Standard & Poor’s, P-1 from Moody’s Investors Services and F-1 from Fitch Ratings.

6. General.

(a) The Fund may not assign its rights under this Agreement to any person or entity, in whole or in part, without the prior written consent of the Support Provider.

(b) No waiver of any provision hereof or of any right or remedy hereunder shall be effective unless in writing and signed by the party against whom such waiver is sought to be enforced. No delay in exercising, no course of dealing with respect to or no partial exercise of any right or remedy hereunder shall constitute a waiver of any other right or remedy, or future exercise thereof.

(c) If any provision of this Agreement is determined to be invalid under any applicable statute or rule of law, it is to that extent to be deemed omitted, and the balance of the Agreement shall remain enforceable.

(d) Subject to the next sentence, all notices shall be in writing and shall be deemed to be delivered when received by certified mail, postage prepaid, return receipt requested, or when sent by facsimile or e-mail confirmed by call back. All notices shall be directed to the address set forth under the party’s signature or to such other address as either party may, from time to time, designate by notice to the other party.

(e) No amendment, change, waiver or discharge hereof shall be valid unless in writing and signed by the Support Provider and the Fund; provided that, in no event shall any amendment, change, waiver or discharge hereof extend the date set forth in Section 3(c)(iv), unless the parties hereto have obtained the prior approval of the staff of the U.S. Securities and Exchange Commission.

(f) This Agreement shall be governed in all respects by the laws of the Commonwealth of Pennsylvania without regard to its conflict of laws provisions.

(g) This Agreement constitutes the complete and exclusive statement of all mutual understandings between the parties with respect to the subject matter hereof, superseding all prior or contemporaneous proposals, communications and understandings, oral or written.

(h) This Agreement is solely for the benefit of the Fund, and no other person shall acquire or have any rights under or by virtue of this Agreement.

(i) This Agreement shall terminate upon the occurrence of any change in the Letter of Credit Provider’s short-term credit ratings such that the Letter of Credit Provider’s obligations no longer qualify as First Tier Securities as defined in paragraph (a)(12) of Rule 2a-7, unless the Support Provider satisfies the terms of paragraph 2(c) of this Agreement relating to arrangements for a substitute obligation or credit support. Termination under this Section 6(i) shall not relieve (i) the Funds of their obligation to sell the Eligible Notes, to the extent that such a sale is required by Section 2(c) of this Agreement; or (ii) the Support Provider of its obligation to make a Capital Contribution to the Fund following such a sale, to the extent that such sale would give rise to a Contribution Event.

-5-

IN WITNESS WHEREOF, the Support Provider has caused this Capital Support Agreement to be executed this 8th day of November, 2007.


SEI INVESTMENTS COMPANY

By:		/s/ Dennis J. McGonigle
Name:		Dennis J. McGonigle
Title:		Chief Financial Officer

ADDRESS FOR NOTICES:

One Freedom Valley Drive
Oaks, PA 19456

SEI DAILY INCOME TRUST PRIME OBLIGATION FUND

By:		/s/ Timothy D. Barto
Name:		Timothy D. Barto
Title:		Vice President

ADDRESS FOR NOTICES:

One Freedom Valley Drive
Oaks, PA 19456

-6-

SCHEDULE A TO SUPPORT AGREEMENT


Issuer	Cusip	Par	Maturity
ASSCHER FINANCE CORP	04539EAK7	40,095,000.0000	07/16/2008
CARRERA CAPITAL	14443EBA2	50,000,000.0000	07/30/2008
CHEYNE FINANCE	16705ECW1	50,000,000.0000	10/25/2007
CHEYNE FINANCE	16705EDU4	125,000,000.0000	01/25/2008
CHEYNE FINANCE	16705EEM1	77,000,000.0000	03/25/2008
CULLINAN FINANCE	23002RDP2	50,000,000.0000	12/03/2007
CULLINAN FINANCE	23002REZ9	75,000,000.0000	03/25/2008
KESTREL FUNDING	49254EAP4	100,000,000.0000	03/27/2008
LIBERTY LIGHTHOUSE	53070PRR1	50,000,000.0000	06/23/2008
SEDNA FINANCE	81567ECJ1	10,000,000.0000	12/07/2007
SIGMA FINANCE CORP	8265Q0ML3	5,000,000.0000	11/21/2007
STANFIELD VICTORIA	85431AJJ7	40,000,000.0000	12/17/2007
STANFIELD VICTORIA	85431AKE6	80,000,000.0000	03/20/2008
TANGO FINANCE	87582TFJ3	15,000,000.0000	11/16/2007
TANGO FINANCE	87582TJR1	5,000,000.0000	11/19/2007
WHISTLEJACKET	96335WFD0	50,000,000.0000	11/21/2007
WHISTLEJACKET	96335WFE8	27,750,000.0000	11/28/2007

-7-

Capital Support Agreement

Exhibit 10.2

CAPITAL SUPPORT AGREEMENT

WITNESSETH:

WHEREAS, the Fund is an investment company registered with the Securities and Exchange Commission in accordance with the Investment Company Act of 1940 (as amended, the “1940 Act”);

WHEREAS, one or more of the events specified in Rule 2a-7(c)(6)(ii) have occurred with respect to certain of the Notes;

WHEREAS, the Board of Trustees of the Fund (each a “Board”) will consider this Agreement in determining whether disposal of the Notes currently would be in the best interest of the Fund:

1. Definitions. In addition to the terms defined elsewhere in this Agreement, the following terms have the meanings indicated:

(b) “Capital Contribution” means a cash contribution by the Support Provider to the Fund for which the Support Provider does not receive any shares or other consideration from the Fund.

(i)

(ii)

Receipt of final payment on the Eligible Note in an amount less than the Amortized Cost Value of that Eligible Note as of the date such payment is received; or

(iii)

(d) “Eligible Notes” means the Notes held by the Fund as portfolio securities on the date hereof or any Replacement Notes other than Qualifying New Securities.

(e) “Letter of Credit” means one or more letters of credit issued by the Letter of Credit Provider for the benefit of the Fund in an aggregate amount equal to $3,000,000, and which shall terminate no sooner than the date set forth in Section 3(c)(iv) of this Agreement.

(f) “Letter of Credit Provider” means JP Morgan Chase Bank, NA., or any substitute provider whose obligations are rated as First Tier Securities as defined in paragraph (a)(12) of Rule 2a-7.

(g) “Maximum Contribution Amount” means three million dollars ($3,000,000).

(h) “Minimum Permissible NAV” means $0.995.

(j) “Permissible NAV Deviation” means $0.005.

-2-

(k) “Qualifying New Securities” means any Notes or Replacement Notes which are or become “Eligible Securities,” as defined in paragraph (a)(10) of Rule 2a-7.

2. Covenants of the Fund. The Fund agrees that:

3. Contributions to Fund.

-3-

without deduction, set-off or counterclaim, to the Fund. In the event that the Support Provider does not make a Capital Contribution when due, the Fund will draw upon the Letter of Credit by 4:00 p.m. on the day that such Capital Contribution was required to have been made in an amount equal to the Capital Contribution that is due, and any amount received under such Letter of Credit shall be deemed to be a Capital Contribution made hereunder by the Support Provider.

4. Reliance by the Fund and the Board. The Support Provider acknowledges and consents to:

(a) The Board’s reliance on the Support Provider’s obligations under this Agreement in making any determination required under Rule 2a-7; and

(c) The inclusion of such amount in the Fund’s audited or unaudited financial statements, to the extent required by generally accepted accounting principles.

5. Representations and Warranties. The Support Provider hereby represents and warrants that:

(a) It is duly organized and validly existing under the laws of the jurisdiction of its organization or incorporation and, if relevant under such laws, in good standing;

-4-

6. General.

(a) The Fund may not assign its rights under this Agreement to any person or entity, in whole or in part, without the prior written consent of the Support Provider.

(f) This Agreement shall be governed in all respects by the laws of the Commonwealth of Pennsylvania without regard to its conflict of laws provisions.

(h) This Agreement is solely for the benefit of the Fund, and no other person shall acquire or have any rights under or by virtue of this Agreement.

-5-

IN WITNESS WHEREOF, the Support Provider has caused this Capital Support Agreement to be executed this 8th day of November, 2007.


SEI INVESTMENTS COMPANY

By:		/s/ Dennis J. McGonigle
Name:		Dennis J. McGonigle
Title:		Chief Financial Officer

ADDRESS FOR NOTICES:

One Freedom Valley Drive
Oaks, PA 19456

SEI DAILY INCOME TRUST MONEY MARKET FUND

By:		/s/ Timothy D. Barto
Name:		Timothy D. Barto
Title:		Vice President

ADDRESS FOR NOTICES:

One Freedom Valley Drive
Oaks, PA 19456

-6-

SCHEDULE A TO SUPPORT AGREEMENT


Issuer	Cusip	Par	Maturity
ASSCHER FINANCE CORP	04539EAK7	9,507,000.00	07/16/2008
CHEYNE FINANCE	16705EEM1	10,000,000.00	03/25/2008
CHEYNE FINANCE	16705EEZ2	10,000,000.00	06/09/2008
CULLINAN FINANCE	23002RFT2	27,500,000.00	03/25/2008
SEDNA FINANCE	81567ECJ1	15,000,000.00	12/07/2007
SIGMA FINANCE CORP	8265Q0TN2	8,800,000.00	04/10/2008
WHISTLEJACKET	96335WFD0	5,000,000.00	11/21/2007
WHISTLEJACKET	96335WFE8	11,000,000.00	11/28/2007

-7-

Amendment 1 to Credit Agreement

Exhibit 10.3

AMENDMENT NO. 1 TO CREDIT AGREEMENT

This Amendment (this “Amendment”) is entered into as of November 7, 2007 by and among SEI Investments Company, a Pennsylvania corporation (the “Borrower”), JPMorgan Chase Bank, N.A., individually and as administrative agent (the “Administrative Agent”), and the other financial institutions signatory hereto.

RECITALS

A. The Borrower, the Administrative Agent and the financial institutions party thereto (the “Lenders”) have entered into that certain Credit Agreement dated as of July 25, 2007 (the “Credit Agreement”). Unless otherwise specified herein each capitalized term used in this Amendment shall have the meaning ascribed to it by the Credit Agreement.

B. The Borrower, the Administrative Agent and the undersigned Lenders wish to amend the Credit Agreement and waive certain of its provisions on the terms and conditions set forth below.

C. Each of SEI Daily Income Trust Prime Obligation Fund, SEI Daily Income Trust Money Market Fund, and SEI Liquid Asset Trust Prim Obligation Fund (the “Funds”) is an Affiliate of the Borrower and an investment company registered with the Securities and Exchange Commission in accordance with the Investment Company Act of 1940. The Borrower through a Subsidiary is the investment advisor of the Funds.

D. In furtherance of its business interests, the Borrower wishes to (i) enter into Capital Support Agreements in substantially the form previously delivered to the Administrative Agent and the Lenders (the “CSA”) pursuant to which the Borrower would be obligated, on the terms and conditions thereof, to make up to $150,000,000 of “Capital Contributions” to the Funds, allocated among the Funds in such manner as the Borrower may determine, for which it would not receive shares or other consideration from the Funds and (ii) secure its obligations to each Fund under the applicable CSA through the issuance of Letters of Credit of which the applicable Fund is the beneficiary. The transactions described in the preceding sentence, including the performance by the Borrower of its obligations under the CSA, are referred to as the “Transactions”.

Now, therefore, in consideration of the mutual execution hereof and other good and valuable consideration, the parties hereto agree as follows:

1. Amendment to Credit Agreement. Upon the “Effective Date” (as defined below), clause (i) of the third sentence of Section 2.21.2 of the Credit Agreement is amended in its entirety to read as follows; “(i) the LC Exposure shall not exceed $150,000,000 and”.

2. Consent and Waiver. The Lenders hereby (a) waive any breach of Section 6.11 (Indebtedness), 6.14 (Investments and Acquisitions), 6.16 (Affiliates) or 6.18 (Contingent Obligations) of the Credit Agreement arising solely out of the Transactions and (b) agree that no Contingent Obligations or Investments arising solely out of the Transactions shall be included in any computation under Section 6.11(x) or 6.14(vi) of the Credit Agreement.

3. Representations and Warranties of the Borrower. The Borrower represents and warrants that:

(a) The Borrower has the power and authority and legal right to execute and deliver this Amendment and to perform its obligations hereunder. The execution and delivery by the Borrower of this Amendment and the performance of its obligations hereunder have been duly authorized by proper corporate proceedings, and this Amendment is a legal, valid and binding obligation of the Borrower enforceable against the Borrower in accordance with its terms, except as enforceability may be limited by bankruptcy, insolvency or similar laws affecting the enforcement of creditors’ rights generally;

(b) Each of the representations and warranties contained in the Credit Agreement (treating this Amendment as a Loan Document) is true and correct in all material respects on and as of the date hereof as if made on the date hereof except to the extent such representation or warranty is stated to relate solely to an earlier date in which case such representation or warranty shall have been true and correct in all material respects as of such earlier date; and

4. Effective Date. This Amendment shall become effective upon the date (the “Effective Date”) of:

(a) the execution and delivery hereof by the Borrower, the Administrative Agent and the Required Lenders (without respect to whether it has been executed and delivered by all the Lenders); and

(b) the execution and delivery by the Guarantors of an Affirmation of Guaranty in the form of Exhibit A hereto.

5. Reference to and Effect Upon the Credit Agreement.

(a) Except as specifically amended or waived above, the Credit Agreement and the other Loan Documents shall remain in full force and effect and are hereby ratified and confirmed.

(b) The execution, delivery and effectiveness of this Amendment shall not operate as a waiver of any right, power or remedy of the Administrative Agent or any Lender under the Credit Agreement or any Loan Document, nor constitute a waiver of any provision of the Credit Agreement or any Loan Document, except as specifically set forth herein. Upon the effectiveness of this Amendment, each reference in the Credit Agreement to “this Agreement”, “hereunder”, “hereof’, “herein” or words of similar import shall mean and be a reference to the Credit Agreement as amended hereby.

- 2 -

6. Costs and Expenses. The Borrower hereby affirms its obligation under Section 9.6 of the Credit Agreement to reimburse the Administrative Agent for all out-of-pocket expenses incurred by the Administrative Agent in connection with the preparation, negotiation, execution, delivery and distribution of this Amendment, including but not limited to the fees, charges and disbursements of attorneys for the Administrative Agent with respect thereto.

7. Governing Law. This Agreement shall be construed in accordance with and governed by the internal laws of the State of New York.

8. Headings. Section headings in this Amendment are included herein for convenience of reference only and shall not constitute a part of this Amendment for any other purposes.

9. Counterparts. This Amendment may be executed in any number of counterparts, each of which when so executed shall be deemed an original but all such counterparts shall constitute one and the same instrument.

[signature page follows]

- 3 -

IN WITNESS WHEREOF, the parties have executed this Amendment as of the date and year first above written.


SEI INVESTMENTS COMPANY, as Borrower

By:		/s/ Dennis McGonigle
Name:		Dennis McGonigle
Title:		Chief Financial Officer

JPMORGAN CHASE BANK, N.A., individually and as Administrative Agent

By:
Name:
Title:

WACHOVIA BANK, NATIONAL ASSOCIATION

By:
Name:
Title:

BANK OF AMERICA, N.A.

By:
Name:
Title:

MANUFACTURERS AND TRADERS TRUST COMPANY

By:
Name:
Title:

[Signature Page to Amendment No. 1 to

SEI Investments Company Credit Agreement)

- 4 -

IN WITNESS WHEREOF, the parties have executed this Amendment as of the date and year first above written.


SEI INVESTMENTS COMPANY, as Borrower

By:
Name:
Title:

JPMORGAN CHASE BANK, N.A., individually and as Administrative Agent

By:		/s/ Sergey Sherman
Name:		Sergey Sherman
Title:		Vice President

WACHOVIA BANK, NATIONAL ASSOCIATION

By:
Name:
Title:

BANK OF AMERICA, N.A.

By:
Name:
Title:

MANUFACTURERS AND TRADERS TRUST COMPANY

By:
Name:
Title:

[Signature Page to Amendment No. 1 to

SEI Investments Company Credit Agreement]

- 4 -

IN WITNESS WHEREOF, the parties have executed this Amendment as of the date and year first above written.


SEI INVESTMENTS COMPANY, as Borrower

By:
Name:
Title:

JPMORGAN CHASE BANK, N.A., individually and as Administrative Agent

By:
Name:
Title:

WACHOVIA BANK, NATIONAL ASSOCIATION

By:		/s/ Karen H. McClain
Name:		Karen H. McClain
Title:		Managing Director

BANK OF AMERICA, N.A.

By:
Name:
Title:

MANUFACTURERS AND TRADERS TRUST COMPANY

By:
Name:
Title:

[Signature Page to Amendment No. 1 to

SEI Investments Company Credit Agreement]

- 4 -

IN WITNESS WHEREOF, the parties have executed this Amendment as of the date and year first above written.


SEI INVESTMENTS COMPANY, as Borrower

By:
Name:
Title:

JPMORGAN CHASE BANK, N.A., individually and as Administrative Agent

By:
Name:
Title:

WACHOVIA BANK, NATIONAL ASSOCIATION

By:
Name:
Title:

BANK OF AMERICA, N.A.

By:		/s/ Sanjay H. Gurnami
Name:		Sanjay H. Gurnami
Title:		Senior Vice President

MANUFACTURERS AND TRADERS TRUST COMPANY

By:
Name:
Title:

[Signature Page to Amendment No. 1 to

SEI Investments Company Credit Agreement]

- 4 -

IN WITNESS WHEREOF, the parties have executed this Amendment as of the date and year first above written.


SEI INVESTMENTS COMPANY, as Borrower

By:
Name:
Title:

JPMORGAN CHASE BANK, N.A., individually and as Administrative Agent

By:
Name:
Title:

WACHOVIA BANK, NATIONAL ASSOCIATION

By:
Name:
Title:

BANK OF AMERICA, N.A.

By:
Name:
Title:

MANUFACTURERS AND TRADERS TRUST COMPANY

By:		/s/ Tracey E. Sawyer-Calhoun
Name:		Tracey E. Sawyer-Calhoun
Title:		Vice President

[Signature Page to Amendment No. 1 to

SEI Investments Company Credit Agreement]

- 4 -


PNC BANK, NATIONAL ASSOCIATION

By:		/s/ Meredith L. Jermann
Name:		Meredith L. Jermann
Title:		Vice President

THE BANK OF NEW YORK

By:
Name:
Title:

CITIZENS BANK OF PENNSYLVANIA

By:
Name:
Title:

U.S. BANK, NA

By:
Name:
Title:

BANK HAPOALIM B.M.

By:
Name:
Title:

[Signature Page to Amendment No. 1 to

SEI Investments Company Credit Agreement]

- 5 -


PNC BANK, NATIONAL ASSOCIATION

By:
Name:
Title:

THE BANK OF NEW YORK

By:
Name:
Title:

CITIZENS BANK OF PENNSYLVANIA

By:		/s/ Dale R. Carr
Name:		Dale R. Carr
Title:		SVP

U.S. BANK, N.A.

By:
Name:
Title:

BANK HAPOALIM B.M.

By:
Name:
Title:

[Signature Page to Amendment No. 1 to

SEI Investments Company Credit Agreement]

- 5 -

EXHIBIT A

REAFFIRMATION OF GUARANTY

Each of the undersigned acknowledges receipt of a copy of Amendment No. 1 of the Credit Agreement (the “Amendment”) dated as of November 7, 2007, consents to such amendment and each of the transactions referenced therein and hereby reaffirms its obligations under the Guaranty dated as of July 25, 2007 in favor of JPMorgan Chase Bank, N.A., as Administrative Agent, and the Lenders (as defined in the Amendment).

Dated as of November 7, 2007


SEI INVESTMENTS MANAGEMENT CORPORATION, a Delaware corporation and successor by merger to SEI Investments Management Corporation II

By:		/s/ Kathy Heilig
Name:		Kathy Heilig
Title:		Vice President & Treasurer

SEI GLOBAL SERVICES, INC., a Delaware Corporation

By:		/s/ Kathy Heilig
Name:		Kathy Heilig
Title:		Treasurer

SEI FUNDS, INC., a Delaware corporation

By:		/s/ Kathy Heilig
Name:		Kathy Heilig
Title:		Treasurer

- 6 -

Letter of Credit

Exhibit 10.4

LOGO

JPMorgan Chase Bank, N.A.

c/o JPMorgan Treasury Services

Global Trade Services

10420 Highland Manor Drive

Tampa, FL 33610

NOV 8, 2007

OUR L/C NO.: TPTS-233774


TO:		APPLICANT:
SEI DAILY INCOME TRUST PRIME		SEI INVESTMENTS COMPANY
OBLIGATION FUND		1 FREEDOM VALLEY DRIVE
ATTN: KARL DASHER		OAKS, PA 19456
1 FREEDOM VALLEY DRIVE
OAKS, PA 19456

WE HAVE ESTABLISHED OUR IRREVOCABLE STANDBY LETTER OF CREDIT IN YOUR FAVOR AS DETAILED HEREIN SUBJECT TO 1SP98


DOCUMENTARY CREDIT NUMBER:		TPTS-233774

FURTHER IDENTIFICATION:		ISSUE

DATE OF ISSUE:		NOVEMBER 8, 2007

BENEFICIARY:		SEI DAILY INCOME TRUST PRIME OBLIGATION FUND ATTN: KARL DASHER 1 FREEDOM VALLEY DRIVE OAKS, PA 19456

APPLICANT:		SEI INVESTMENTS COMPANY 1 FREEDOM VALLEY DRIVE OAKS, PA 19456

DATE AND PLACE OF EXPIRY:		NOVEMBER 8, 2008 AT OUR COUNTER

DOCUMENTARY CREDIT AMOUNT:		USD126,000,000.00

AVAILABLE WITH:		JPMORGAN CHASE BANK, N.A. BY PAYMENT

IT IS A CONDITION OF THIS LETTER OF CREDIT THAT IT SHALL BE AUTOMATICALLY EXTENDED WITHOUT AMENDMENT FOR ADDITIONAL 12 MONTH PERIODS FROM THE


132211 Lashonda R. Wilson		Page 1 of 3

LOGO

JPMorgan Chase Bank, N.A.

c/o JPMorgan Treasury Services

Global Trade Services

10420 Highland Manor Drive

Tampa, FL 33610

NOV 8, 2007

OUR L/C NO.: TPTS-233774

PRESENT OR EACH FUTURE EXPIRATION DATE, UNLESS AT LEAST 30 DAYS PRIOR TO THE CURRENT EXPIRY DATE WE SEND NOTICE IN WRITING TO YOU VIA SWIFT, TELEX, OR HAND DELIVERY AT THE ABOVE ADDRESS, THAT WE ELECT NOT TO AUTOMATICALLY EXTEND THIS LETTER OF CREDIT FOR ANY ADDITIONAL PERIOD. UPON SUCH NOTICE TO YOU, YOU MAY DRAW ON US AT SIGHT FOR AN AMOUNT NOT TO EXCEED THE BALANCE REMAINING IN THIS LETTER OF CREDIT WITHIN THE THEN-APPLICABLE EXPIRY DATE, BY YOUR SWIFT OR PRESENTATION OF YOUR DRAFT AND DATED STATEMENT PURPORTEDLY SIGNED BY ONE OF YOUR OFFICIALS READING EXACTLY AS FOLLOWS:

THE AMOUNT OF THIS DRAWING USD . . . . . . . . . . . UNDER JPMORGAN CHASE BANK, N.A. LETTER OF CREDIT NUMBER TPTS-233774 REPRESENTS FUNDS DUE US AS WE HAVE RECEIVED NOTICE FROM JPMORGAN CHASE BANK, N.A. OF THEIR DECISION NOT TO AUTOMATICALLY EXTEND LETTER OF CREDIT NUMBER TPTS-233774 AND THE UNDERLYING OBLIGATION REMAINS OUTSTANDING.

IN THE EVENT THIS LETTER OF CREDIT IS SUBSEQUENTLY AMENDED BY US TO RESCIND A NOTICE OF NON-EXTENSION AND TO EXTEND THE EXPIRY DATE HEREOF TO A FUTURE DATE, SUCH EXTENSION SHALL BE FOR THAT SINGLE PERIOD ONLY AND THIS LETTER OF CREDIT WILL NOT BE SUBJECT TO ANY FUTURE AUTOMATIC EXTENSIONS UNLESS AN AUTOMATIC EXTENSION PROVISION IS EXPRESSLY INCORPORATED INTO SUCH AMENDMENT.

ADDITIONAL DETAILS:

THIS LETTER OF CREDIT IS AVAILABLE WITH JPMORGAN CHASE BANK, N.A. AGAINST PRESENTATION OF YOUR DRAFT AT SIGHT DRAWN ON JPMORGAN CHASE BANK, N.A., WHEN ACCOMPANIED BY THE DOCUMENTS INDICATED HEREIN.

BENEFICIARY’S DATED STATEMENT PURPORTEDLY SIGNED BY ONE OF ITS OFFICIALS READING AS FOLLOWS:

“THE AMOUNT OF THIS DRAWING USD . . . ., UNDER JPMORGAN CHASE BANK, N.A. LETTER OF CREDIT NO. TPTS-233774 REPRESENTS FUNDS DUE AND PAYABLE TO US AS SEI INVESTMENTS COMPANY HAS FAILED TO PAY A REQUIRED CONTRIBUTION AMOUNT AS REQUIRED BY THE CAPITAL SUPPORT AGREEMENT BETWEEN SEI INVESTMENTS COMPANY AND SEI DAILY INCOME TRUST PRIME OBLIGATION FUND.”

MULTIPLE DRAWINGS ARE ALLOWED.


132211 Lashonda R. Wilson		Page 2 of 3

LOGO

JPMorgan Chase Bank, N.A.

c/o JPMorgan Treasury Services

Global Trade Services

10420 Highland Manor Drive

Tampa, FL 33610

NOV 8, 2007

OUR L/C NO.: TPTS-233774

PAYMENT WILL BE EFFECTED IN IMMEDIATELY AVAILABLE FUNDS BY THE NEXT BUSINESS DAY UPON RECEIPT OF PRESENTATION OF DOCUMENTS IN COMPLIANCE WITH THE LETTER OF CREDIT TERMS AT OUR ADDRESS SPECIFIED BELOW.

ALL CORRESPONDENCE AND ANY DRAWINGS HEREUNDER ARE TO BE DIRECTED TO:

JPMORGAN CHASE BANK, N.A.

C/O JPMORGAN TREASURY SERVICES

ATTENTION: STANDBY LETTER OF CREDIT DEPARTMENT, 4TH FLOOR

10420 HIGHLAND MANOR DRIVE

TAMPA, FLORIDA 33610

CUSTOMER INQUIRY NUMBER IS 1-800-634-1969 CHOOSE OPTION 1. CUSTOMER INQUIRY E-MAIL ADDRESS IS: GTS.CLIENT.SERVICES@JPMCHASE.COM. PLEASE HAVE OUR REFERENCE NUMBER AVAILABLE WHEN YOU CONTACT US.

WE HEREBY AGREE WITH YOU THAT DRAFTS DRAWN UNDER AND IN COMPLIANCE WITH THE TERMS AND CONDITIONS OF THIS LETTER OF CREDIT WILL BE DULY HONORED.

THE NUMBER AND THE DATE OF OUR CREDIT AND THE NAME OF OUR BANK MUST BE QUOTED ON ALL DRAFTS REQUIRED.

THIS IRREVOCABLE STANDBY LETTER OF CREDIT SHALL BE SUBJECT TO THE INTERNATIONAL STANDBY PRACTICES (1998), INTERNATIONAL CHAMBER OF COMMERCE PUBLICATION NO. 590.

THIS LETTER OF CREDIT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAWS.

/s/ Vera Kostic

AUTHORIZED SIGNATURE

Vera Kostic

Assistant Vice President


132211 Lashonda R. Wilson		Page 3 of 3

Letter of Credit

Exhibit 10.5

LOGO

JPMorgan Chase Bank, N.A.

c/o JPMorgan Treasury Services

Global Trade Services

10420 Highland Manor Drive

Tampa, FL 33610

NOV 8, 2007

OUR L/C NO.: TPTS-241183


TO:		APPLICANT:
SEI DAILY INCOME TRUST MONEY MARKET FUND		SEI INVESTMENTS COMPANY
SEI DAILY INCOME TRUST MONEY MARKET FUND		1 FREEDOM VALLEY DRIVE
ATTN: KARL DASHER		OAKS, PA 19456
1 FREEDOM VALLEY DRIVE
OAKS, PA 19456

WE HAVE ESTABLISHED OUR IRREVOCABLE STANDBY LETTER OF CREDIT IN YOUR FAVOR AS DETAILED HEREIN SUBJECT TO 1SP98


DOCUMENTARY CREDIT NUMBER:		TPTS-233774

FURTHER IDENTIFICATION:		ISSUE

DATE OF ISSUE:		NOVEMBER 8, 2007

BENEFICIARY:		SEI DAILY INCOME TRUST MONEY MARKET FUND ATTN: KARL DASHER 1 FREEDOM VALLEY DRIVE OAKS, PA 19456

APPLICANT:		SEI INVESTMENTS COMPANY 1 FREEDOM VALLEY DRIVE OAKS, PA 19456

DATE AND PLACE OF EXPIRY:		NOVEMBER 8, 2008 AT OUR COUNTER

DOCUMENTARY CREDIT AMOUNT:		USD3,000,000.00

AVAILABLE WITH:		JPMORGAN CHASE BANK, N.A. BY PAYMENT

IT IS A CONDITION OF THIS LETTER OF CREDIT THAT IT SHALL BE AUTOMATICALLY EXTENDED WITHOUT AMENDMENT FOR ADDITIONAL 12 MONTH PERIODS FROM THE


132136 Lashonda R. Wilson		Page 1 of 3

LOGO

JPMorgan Chase Bank, N.A.

c/o JPMorgan Treasury Services

Global Trade Services

10420 Highland Manor Drive

Tampa, FL 33610

NOV 8, 2007

OUR L/C NO.: TPTS-241183

THE AMOUNT OF THIS DRAWING USD . . . . . . . . . . . UNDER JPMORGAN CHASE BANK, N4A. LETTER OF CREDIT NUMBER TPTS-241183 REPRESENTS FUNDS DUE US AS WE HAVE RECEIVED NOTICE FROM JPMORGAN CHASE BANK, N.A. OF THEIR DECISION NOT TO AUTOMATICALLY EXTEND LETTER OF CREDIT NUMBER TPTS-241183 AND THE UNDERLYING OBLIGATION REMAINS OUTSTANDING.

ADDITIONAL DETAILS:

THIS LETTER OF CREDIT IS AVAILABLE WITH JPMORGAN CHASE BANK, N.A. AGAINST PRESENTATION OF YOUR DRAFT AT SIGHT DRAWN ON JPMORGAN CHASE BANK, N.A., WHEN ACCOMPANIED BY THE DOCUMENTS INDICATED HEREIN.

BENEFICIARY’S DATED STATEMENT PURPORTEDLY SIGNED BY ONE OF ITS OFFICIALS READING AS FOLLOWS:

“THE AMOUNT OF THIS DRAWING USD . . . ., UNDER JPMORGAN CHASE BANK, N.A. LETTER OF CREDIT NO. TPTS-241183 REPRESENTS FUNDS DUE AND PAYABLE TO US AS SEI INVESTMENTS COMPANY HAS FAILED TO PAY A REQUIRED CONTRIBUTION AMOUNT AS REQUIRED BY THE CAPITAL SUPPORT AGREEMENT BETWEEN SEI INVESTMENTS. COMPANY AND SEI DAILY INCOME TRUST MONEY MARKET FUND.”

MULTIPLE DRAWINGS ARE ALLOWED.


132136 Lashonda R. Wilson		Page 2 of 3

LOGO

JPMorgan Chase Bank, N.A.

c/o JPMorgan Treasury Services

Global Trade Services

10420 Highland Manor Drive

Tampa, FL 33610

NOV 8, 2007

OUR L/C NO.: TPTS-241183

ALL CORRESPONDENCE AND ANY DRAWINGS HEREUNDER ARE TO BE DIRECTED TO:

JPMORGAN CHASE BANK, N.A.

C/O JPMORGAN TREASURY SERVICES

ATTENTION: STANDBY LETTER OF CREDIT DEPARTMENT, 4TH FLOOR

10420 HIGHLAND MANOR DRIVE

TAMPA, FLORIDA 33610

CUSTOMER INQUIRY NUMBER IS 1-800-634-1969 CHOOSE OPTION 1. CUSTOMER INQUIRY E-MAIL ADDRESS IS: GTS.CLIENT.SERVICES@JPMCHASE.COM. PLEASE HAVE OUR REFERENCE NUMBER AVAILABLE WHEN YOU CONTACT US.

WE HEREBY AGREE WITH YOU THAT DRAFTS DRAWN UNDER AND IN COMPLIANCE WITH THE TERMS AND CONDITIONS OF THIS LETTER OF CREDIT WILL BE DULY HONORED.

THE NUMBER AND THE DATE OF OUR CREDIT AND THE NAME OF OUR BANK MUST BE QUOTED ON ALL DRAFTS REQUIRED.

THIS IRREVOCABLE STANDBY LETTER OF CREDIT SHALL BE SUBJECT TO THE INTERNATIONAL STANDBY PRACTICES (1998), INTERNATIONAL CHAMBER OF COMMERCE PUBLICATION NO. 590.

THIS LETTER OF CREDIT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAWS.

/s/ Vera Kostic

AUTHORIZED SIGNATURE

Vera Kostic

Assistant Vice President


132136 Lashonda R. Wilson		Page 3 of 3

Certification

Exhibit 31.1

CERTIFICATIONS

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

1. I have reviewed this quarterly report on Form 10-Q 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 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 registrant’s board of directors (or persons performing the equivalent function):

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 data 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 controls over financial reporting.

Date: November 9, 2007


/s/ Alfred P. West, Jr.
Alfred P. West, Jr.
Chairman and Chief Executive Officer

Certification

Exhibit 31.2

CERTIFICATIONS

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

1. I have reviewed this quarterly report on Form 10-Q of SEI Investments Company;

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;

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

Date: November 9, 2007


/s/ Dennis J. McGonigle
Dennis J. McGonigle
Chief Financial Officer

Certification

Exhibit 32

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF

THE SARBANES-OXLEY ACT OF 2002

I, Alfred P. West, Jr., Chairman and Chief Executive Officer, and I, 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 Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2007 (the “Form 10-Q”) 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-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.


Date: November 9, 2007				Date: November 9, 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.