SEI Investments Announces Increase in Stock Repurchase Program

OAKS, Pa., May 23 /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 $50 million.

Since the beginning of calendar year 2007, the Company repurchased approximately 1,441,900 shares at a cost of $86.9 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 March 31, 2007, through its subsidiaries and partnerships in which the company has a significant interest, SEI administers $382.4 billion in mutual fund and pooled assets and manages $190.0 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.

SOURCE SEI Investments Company

Released May 23, 2007