<SEC-DOCUMENT>0000950170-24-046497-index.html : 20240422
<SEC-HEADER>0000950170-24-046497.hdr.sgml : 20240422
<ACCEPTANCE-DATETIME>20240422170856
ACCESSION NUMBER:		0000950170-24-046497
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20240422
DATE AS OF CHANGE:		20240422

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXPONENT INC
		CENTRAL INDEX KEY:			0000851520
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				770218904
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1229

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18655
		FILM NUMBER:		24861956

	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_defa_14a_2023_non_x.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: expo_defa_14a_2023_non_x.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img182399069_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img182399069_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img182399069_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img182399069_1.jpg

</DOCUMENT>
</SEC-DOCUMENT>