SEI Will Discuss Third-Quarter Earnings On Thursday, October 25, 2007 at 2:00 PM EDT

Public Is Invited to Monitor Conference Call

OAKS, Pa., Oct. 23 /PRNewswire-FirstCall/ -- SEI (Nasdaq: SEIC), a leading global provider of outsourced asset management, investment processing and investment operations solutions, will conduct a conference call to review third-quarter earnings on Thursday, October 25, 2007 beginning at 2:00 PM EDT.

The public is invited to listen to the call at www.seic.com (Investor Information section) or at www.earnings.com, a service of Thomson StreetEvents. The live webcast may also be accessed at numerous financial services sections of websites such as AOL and Yahoo.

Replays will be available shortly after the end of the call at the above websites and also at (USA) 800-475-6701; (International) 320-365-3844; Access Code: 889135.

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 September 30, 2007, through its subsidiaries and partnerships in which the company has a significant interest, SEI administers $423 billion in mutual fund and pooled assets and manages $202 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 October 23, 2007