<SEC-DOCUMENT>0001564590-20-022004-index.html : 20200506
<SEC-HEADER>0001564590-20-022004.hdr.sgml : 20200506
<ACCEPTANCE-DATETIME>20200506164151
ACCESSION NUMBER:		0001564590-20-022004
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200506
DATE AS OF CHANGE:		20200506
EFFECTIVENESS DATE:		20200506

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXPONENT INC
		CENTRAL INDEX KEY:			0000851520
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				770218904
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0103

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18655
		FILM NUMBER:		20853226

	BUSINESS ADDRESS:	
		STREET 1:		EXPONENT INC
		STREET 2:		149 COMMONWEALTH DRIVE
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-326-9400

	MAIL ADDRESS:	
		STREET 1:		EXPONENT INC
		STREET 2:		149 COMMONWEALTH DRIVE
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FAILURE GROUP INC
		DATE OF NAME CHANGE:	19930831
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>expo-defa14a_20200528.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: expo-defa14a_20200528.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g5fmauv43j1i000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g5fmauv43j1i000001.jpg

</DOCUMENT>
</SEC-DOCUMENT>