SEI Investments Company
Ticker: SEIC (NASDAQ)
CUSIP: 784117103

Stock Split History

Record Date	Distribution
June 21, 2007	two-for-one
February 19, 2001	two-for-one
June 13, 2000	three-for-one
July 6, 1993	two-for-one
June 23, 1987	two-for-one
February 23, 1983	two-for-one

Shareholder Services

Contact your broker or investment advisor for all matters regarding positions held in your accounts with their firms. Contact our transfer agent, American Stock Transfer, for all matters regarding positions registered in your name.

American Stock Transfer & Trust Co, LLC
6201 15^th Avenue
Brooklyn, NY 11219
T: 800 937 5449

Investor Relations

SEI Investments Company
P.O. Box 1100
1 Freedom Valley Drive
Oaks, PA 19456- 1100
T: 610 676 1000

Request an Investor Kit

Our investor kit includes: our most recent Annual Report and Form 10-K, selected press releases, and reprinted articles of interest about SEI Investments Co.

Please fill out the form below. Your request will be shipped by U.S. first class mail.

Request an investor kit

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Special Instructions: (multiple choices, prior year reports, etc.) I understand SEI may send future emails to me, even if i opted-out before, and that I can opt-out again later.

Investor Resources

Shareholder Services

Investor Relations

Request an Investor Kit

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