    <SEC-DOCUMENT>0000950170-24-046511-index.html : 20240422
    <SEC-HEADER>0000950170-24-046511.hdr.sgml : 20240422
    <ACCEPTANCE-DATETIME>20240422171457
    ACCESSION NUMBER:		0000950170-24-046511
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231229
    FILED AS OF DATE:		20240422
    DATE AS OF CHANGE:		20240422
    EFFECTIVENESS DATE:		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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-18655
    		FILM NUMBER:		24862008

    	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>ARS
    <SEQUENCE>1
    <FILENAME>expo_ars_2023.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: expo_ars_2023.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>