EXPONENT INC — Director's Dealing 2010

Mar 12, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EXPONENT INC (EXPO)
CIK: 0000851520
Period of Report: 2010-03-10

Reporting Person: MALLADI SUBBAIAH V (Chief Technical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-10	Common Stock	M	3868	—	Acquired	19026	Direct
2010-03-10	Common Stock	F	1390	$28.3	Disposed	17636	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-10	Restricted Stock Units	$	M	3868	Disposed	2010-03-10	Common Stock (3868)	Direct

Footnotes

F1: Reflects the conversion of shares of vested Restricted Stock Units granted on March 10, 2006 into shares of Common Stock on a 1:1 basis.

F2: Reflects a 2-for-1 stock split which became effective on May 24, 2006.

F3: Not applicable.

F4: See Footnote 1.