EXPONENT INC — Director's Dealing 2010

Mar 1, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EXPONENT INC (EXPO)
CIK: 0000851520
Period of Report: 2010-02-25

Reporting Person: GAULKE MICHAEL R (Director, Executive Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-25	Common Stock	M	1	$18.37	Acquired	160701	Indirect
2010-02-25	Common Stock	F	1	$26.93	Disposed	160700	Indirect
2010-02-25	Common Stock	M	6288	$15.645	Acquired	166988	Indirect
2010-02-25	Common Stock	F	3652	$26.93	Disposed	163336	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-25	Incentive Stock Option (right to buy)	$15.645	M	6288	Disposed	2016-02-09	Common Stock (6288)	Direct
2010-02-25	Incentive Stock Option (right to buy)	$18.37	M	1	Disposed	2017-02-02	Common Stock (1)	Direct

Footnotes

F1: The stock option becomes exercisable in four equal annual installments.