SEI Will Discuss Second-Quarter Earnings On Wednesday, July 23, 2008 at 2:00 PM ET

Public Is Invited to Monitor Conference Call

OAKS, Pa., July 18 /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 second-quarter earnings on Wednesday, July 23, 2008 beginning at 2:00 PM ET.

The public is invited to listen to the call at http://www.seic.com (Investor Information section) or at http://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 Finance.

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: 953975.

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, 2008, through its subsidiaries and partnerships in which the company has a significant interest, SEI administers $424 billion in mutual fund and pooled assets and manages $185 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 July 18, 2008