Exponent to Announce Fourth Quarter and Fiscal Year 2004 Results

MENLO PARK, CA, January 18, 2005 –Exponent, Inc. (NASDAQ: EXPO), today announced that it would release financial results for the fourth quarter and fiscal year ended December 31, 2004 immediately following the close of the market on Thursday, January 27, 2005.  The Company will host a corresponding conference call and live webcast at 4:30 p.m. Eastern Time/ 1:30 p.m. Pacific Time.  Michael Gaulke, President and Chief Executive Officer, and Richard Schlenker, Chief Financial Officer, will discuss the results.

A live webcast of this conference call will be available on the Investor Relations section of the Company’s web site at www.exponent.com/investors, and via replay beginning two hours after the completion of the call.  An audio replay of the call will also be available beginning one hour after completion of the call, through Thursday, February 10, 2005, by dialing 800-642-1687, and entering reservation #3419688.

About Exponent

Exponent is an engineering and scientific consulting firm providing solutions to complex problems. Exponent's multidisciplinary organization of scientists, physicians, engineers, and business consultants brings together more than 70 technical disciplines to address complicated issues facing industry and government today. The firm's consultants analyze failures and accidents to determine their causes and provide answers to help prevent such problems. In addition, Exponent evaluates human health and environmental concerns to find cost-effective solutions.

Exponent may be reached at (888) 656-EXPO, info@exponent.com, or www.exponent.com.

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