SEI to Announce Third-Quarter Earnings on Wednesday, October 21, 2009

Public Invited to Monitor Conference Call at 2:00 PM EDT

• Press Release
• Source: SEI Investments Company
• On 12:05 pm EDT, Thursday October 15, 2009

OAKS, Pa., Oct. 15 /PRNewswire-FirstCall/ -- SEI Investments Company (Nasdaq: SEIC - News) announced today that it intends to release third-quarter earnings on Wednesday, October 21, 2009, before the markets open. The company will also hold a conference call to discuss these financial results beginning at 2:00 PM EDT.

The public is invited to listen to the call at www.seic.com (Investors 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 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: 119321.

About SEI

SEI (Nasdaq: SEIC - News) 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 June 30, 2009, through its subsidiaries and partnerships in which the company has a significant interest, SEI administers $360 billion in mutual fund and pooled assets and manages $136 billion in assets. SEI serves clients, conducts or is registered to conduct business and/or operations, from numerous offices worldwide. For more information, visit www.seic.com

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