EXPONENT INC — Director's Dealing 2010

Feb 26, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EXPONENT INC (EXPO)
CIK: 0000851520
Period of Report: 2010-02-24

Reporting Person: SCHLENKER RICHARD L JR (Chief Financial Officer and)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-24	Common Stock	M	31372	$4.2033	Acquired	159801	Direct
2010-02-24	Common Stock	S	31372	$26.5307	Disposed	128429	Direct
2010-02-26	Common Stock	M	12590	$4.2033	Acquired	141019	Direct
2010-02-26	Common Stock	S	12590	$26.3484	Disposed	128429	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-24	Incentive Stock Option (right to buy)	$4.2033	M	31372	Disposed	2010-03-06	Common Stock (31372)	Direct
2010-02-26	Incentive Stock Option (right to buy)	$4.2033	M	12590	Disposed	2010-03-06	Common Stock (12590)	Direct

Footnotes

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