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<!-- EDGAR Online I-Metrix Xcelerate Taxonomy Schema, based on XBRL 2.1  http://www.edgar-online.com/ -->
<!-- Version: 6.12.8 -->
<!-- Round: 9d73812c-35b3-489a-a5b2-69fa988ae5f9 -->
<!-- Creation date: 2011-08-04T13:46:58Z -->
<!-- Copyright (c) 2005-2011 EDGAR Online, Inc. All Rights Reserved. -->
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  <annotation>
    <appinfo>
      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/DocumentDocumentandEntityInformation" id="DocumentDocumentandEntityInformation">
        <link:definition>101 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/StatementOfFinancialPositionClassified" id="Role_StatementOfFinancialPositionClassified">
        <link:definition>103 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
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        <link:usedOn>link:presentationLink</link:usedOn>
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      </link:roleType>
      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical" id="Role_StatementOfFinancialPositionClassifiedParen">
        <link:definition>104 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
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        <link:usedOn>link:presentationLink</link:usedOn>
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      </link:roleType>
      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/StatementOfIncomeAlternative" id="Role_StatementOfIncomeAlternative">
        <link:definition>105 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF INCOME</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>106 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
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      </link:roleType>
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        <link:definition>107 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>108 - Disclosure - Basis of Presentation</link:definition>
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        <link:usedOn>link:presentationLink</link:usedOn>
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      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlock" id="Role_NotesToFinancialStatementsFairValueDisclosuresTextBlock">
        <link:definition>109 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock" id="Role_NotesToFinancialStatementsEarningsPerShareTextBlock">
        <link:definition>110 - Disclosure - Net Income Per Share</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" id="Role_NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock">
        <link:definition>111 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/NotesToFinancialStatementsTreasuryStockTextBlock" id="Role_NotesToFinancialStatementsTreasuryStockTextBlock">
        <link:definition>112 - Disclosure - Treasury Stock</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>113 - Disclosure - Deferred Compensation Plan</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>114 - Disclosure - Supplemental Cash Flow Information</link:definition>
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        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>115 - Disclosure - Accounts Receivable, Net</link:definition>
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        <link:usedOn>link:presentationLink</link:usedOn>
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      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlock" id="Role_NotesToFinancialStatementsInventoryDisclosureTextBlock">
        <link:definition>116 - Disclosure - Inventory</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
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      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock" id="Role_NotesToFinancialStatementsSegmentReportingDisclosureTextBlock">
        <link:definition>117 - Disclosure - Segment Reporting</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
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      <link:roleType roleURI="http://www.exponent.com/taxonomy/role/NotesToFinancialStatementsGoodwillDisclosureTextBlock" id="Role_NotesToFinancialStatementsGoodwillDisclosureTextBlock">
        <link:definition>118 - Disclosure - Goodwill</link:definition>
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        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>119 - Disclosure - Contingencies</link:definition>
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