ABOUT SEI

Corporate Contacts

Dana Grosser
SEI
+1 610 676-2459
dgrosser@seic.com

Elisabeth Behr
Braithwaite Communications
+1 215 564-3200 x113
ebehr@gobraithwaite.com

Press

Oct
23
2008

SEI Named One of the Best Places to Work by Philadelphia Business Journal

OAKS, Pa., Oct. 23 /PRNewswire-FirstCall/ --SEI (Nasdaq: SEIC) announced today it has been named one of the Best Places to Work by the Philadelphia Business Journal. The announcement, which appears in the newspaper's October 17, 2008 issue, highlights SEI among the Journal's annual ranking of Philadelphia area businesses. Winning companies were selected solely based on the results of a random employee survey conducted digitally by Quantum Market Research. Survey questions addressed many different aspects of office culture, including employee engagement, quality of supervisor/employee relationships, and compensation satisfaction.

Each company that participated in the nomination process was initially submitted for consideration by an employee for one of the following categories: Small Company (10-50 employees), Medium Company (51-100 employees), Large Company (101-1,000 employees), Extra-Large Company (1,001 or more employees), and Headquartered Elsewhere. SEI was chosen along with eight other companies as a winner within the Extra-Large Company category.

"We're very proud of our employees," said Alfred P. West Jr., SEI's chairman and chief executive officer. "The attitudes and opinions of our employees make our corporate culture, work environment, client experience, and the overall employee experience here at SEI positive and engaging."

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, 2008, through its subsidiaries and partnerships in which the company has a significant interest, SEI administers $431 billion in mutual fund and pooled assets and manages $162 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.