Press release

Exponent to Host Quarterly Conference Call October 27, Announcing Third Quarter of Fiscal Year 2022 Results

October 6, 2022

MENLO PARK, Calif., October 6, 2022 — Exponent, Inc. (Nasdaq:EXPO), today announced that it will report third quarter of fiscal year 2022 financial results for the period ended September 30, 2022 following the close of the market on Thursday, October 27, 2022. On that day, Dr. Catherine Corrigan, Chief Executive Officer and President, and Richard Schlenker, Executive Vice President and Chief Financial Officer, will host a conference call and webcast at 4:30 p.m. ET (1:30 p.m. PT) to discuss the Company's business and financial results.

Exponent, Inc. Third Quarter of Fiscal Year 2022 Financial Results Conference

Call Date: Thursday, October 27, 2022

Time: 4:30 p.m. Eastern Time / 1:30 p.m. Pacific Time

Live Call: (323) 701-0160 or (800) 289-0720

Exponent will also offer a live and archived webcast of the conference call, accessible from the Investor Relations section of the company's website, http://www.exponent.com/investors.

A telephonic replay of the conference call will be available until Thursday, November 3, 2022 by dialing (719) 457-0820 or (888) 203-1112 and entering passcode 8752998#.

About Exponent

Exponent is an engineering and scientific consulting firm providing solutions to complex problems. Exponent's interdisciplinary organization of scientists, physicians, engineers, and business consultants draws from more than 90 technical disciplines to solve the most pressing and complicated challenges facing stakeholders today. The firm leverages over 50 years of experience in analyzing accidents and failures to advise clients as they innovate their technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.

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