SEI To Hold Investor Conference

Public Invited to Monitor Webcast

OAKS, Pa., June 4 /PRNewswire-FirstCall/ -- SEI Investments Company (Nasdaq: SEIC), a leading global provider of outsourced asset management, investment processing and investment operations solutions, will hold a live webcast of its annual Investor Conference on Thursday, June 7, 2007, 8:30 AM to 1:00 PM (EDT).

The SEI Investor Conference, expected to be attended by more than 50 institutional investors and industry analysts, will feature presentations by SEI's top executives. They will describe the company, its markets, and strategies for future growth.

The public is invited to view the presentation and listen to the webcast of the conference at www.seic.com (choose the Investor Information section and click on Events and Presentations). The webcast can be heard at www.earnings.com and numerous other financial services portals on the Web. It will be available for replay shortly after the end of the conference and will be archived for one year.

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 www.seic.com.

SOURCE SEI

Released June 4, 2007