SEI to Announce First-Quarter Earnings on Wednesday, April 27, 2011

Public Invited to Monitor Conference Call at 2:00 P.M. ET

OAKS, PA -- (MARKET WIRE) -- 04/07/11 -- SEI Investments Company (NASDAQ: SEIC) announced today that it intends to release first-quarter earnings on Wednesday, April 27, 2011, before the markets open. The company will also hold a conference call to discuss these financial results beginning at 2:00 p.m. ET.

The public is invited to listen to the call at www.seic.com/investors 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 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: 199003.

About SEI
SEI (NASDAQ: SEIC) is a leading global provider of investment processing, fund processing, and investment management business outsourcing solutions that help corporations, financial institutions, financial advisors, and ultra-high-net-worth families create and manage wealth. As of December 31, 2010, through its subsidiaries and partnerships in which the company has a significant interest, SEI manages or administers $416.0 billion in mutual fund and pooled or separately managed assets, including $172.3 billion in assets under management and $243.7 billion in client assets under administration. For more information, visit www.seic.com.

Investor Contact:
Murray Louis
SEI
610-676-1932
mlouis@seic.com

Media Contact:
Dana Grosser
SEI
610-676-2459
dgrosser@seic.com

Source: SEI

Released April 7, 2011