ABOUT SEI

Corporate Contacts

Larry Wexler
SEI
+1 610 676-1440
lwexler@seic.com

Murray Louis
SEI, VP
+1 610 676-1932
mlouis@seic.com

Press

Jul
25
2007

SEI Announces Increase in Stock Repurchase Program

OAKS, Pa., July 25 /PRNewswire-FirstCall/ -- SEI Investments Company (Nasdaq: SEIC) announced today that its Board of Directors has approved an increase in its stock repurchase program by an additional $75 million.

Since the beginning of calendar year 2007, the Company repurchased approximately 4,170,000 shares at a cost of $124.7 million.

About SEI

SEI (Nasdaq: SEIC) is a leading global provider of outsourced asset management, investment processing and investment operations solutions. The company's innovative solutions help corporations, financial institutions, financial advisors, and affluent families create and manage wealth. As of June 30, 2007, through its subsidiaries and partnerships in which the company has a significant interest, SEI administers $407 billion in mutual fund and pooled assets and manages $199 billion in assets. SEI serves clients, conducts or is registered to conduct business and/or operations, from more than 20 offices in over a dozen countries. For more information, visit http://www.seic.com/.