SEI to Hold Investor Conference

Public Invited to Monitor Webcast

OAKS, Pa., May 28 /PRNewswire-FirstCall/ -- SEI Investments Company (Nasdaq: SEIC) will present a live webcast of its annual Investor Conference on Wednesday, June 3, 2009, 8:30 a.m. to approximately 1:00 p.m. (ET).

SEI's Investor Conference, attended by institutional investors and industry analysts, will feature presentations by SEI's top executives describing 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 (select Investors, Investor Communications, Events and Presentations). The webcast may also be heard at www.earnings.com and numerous other financial services portals on the Web. It will be available for replay shortly after 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, 2009, through its subsidiaries and partnerships in which the company has a significant interest, SEI administers $354 billion in mutual fund and pooled assets and manages $123 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 Investments Company

Released May 28, 2009