EXPONENT INC — Director's Dealing 2010

Nov 17, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EXPONENT INC (EXPO)
CIK: 0000851520
Period of Report: 2010-11-15

Reporting Person: CALIGIURI ROBERT D (Group Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-15	Common Stock	M	581	$5.8595	Acquired	54517	Direct
2010-11-15	Common Stock	S	100	$34.54	Disposed	54417	Direct
2010-11-15	Common Stock	M	9419	$5.8595	Acquired	63836	Direct
2010-11-15	Common Stock	S	1629	$34.3598	Disposed	62207	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-15	Incentive Stock Option (right to buy)	$5.8595	M	581	Disposed	2011-03-06	Common Stock (581)	Direct
2010-11-15	Incentive Stock Option (right to buy)	$5.8595	M	9419	Disposed	2011-03-06	Common Stock (9419)	Direct

Footnotes

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