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<!--XBRL document created by RR Donnelley Tagger version 10.0.0.191; Copyright (C) RR Donnelley-->
<!--Based on XBRL 2.1-->
<!--Modified on: 7/31/2012 7:33:50 PM-->
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        <link:definition>0607 - Disclosure - Business Acquisitions (Details Textual)</link:definition>
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        <link:definition>06123 - Disclosure - Members' Equity (Details Textual)</link:definition>
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        <link:definition>06121 - Disclosure - Members' Equity (Details 1)</link:definition>
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        <link:definition>0512 - Disclosure - Members' Equity (Tables)</link:definition>
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        <link:definition>0612 - Disclosure - Members' Equity (Details)</link:definition>
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        <link:definition>0212 - Disclosure - Members' Equity</link:definition>
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        <link:definition>0151 - Statement - Condensed Consolidated Statements of Changes in Members' Equity (Unaudited) (Parenthetical)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/StatementsOfChangesInMembersEquity" id="StatementsOfChangesInMembersEquity">
        <link:definition>0150 - Statement - Condensed Consolidated Statements of Changes in Members' Equity (Unaudited)</link:definition>
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        <link:definition>06141 - Disclosure - Employee Benefit Plans (Details Textual)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/EmployeeBenefitPlansDetails" id="EmployeeBenefitPlansDetails">
        <link:definition>0614 - Disclosure - Employee Benefit Plans (Details)</link:definition>
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        <link:definition>06135 - Disclosure - Incentive Plans (Details Textual)</link:definition>
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        <link:definition>0514 - Disclosure - Employee Benefit Plans (Tables)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/IncentivePlansTables" id="IncentivePlansTables">
        <link:definition>0513 - Disclosure - Incentive Plans (Tables)</link:definition>
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        <link:definition>0506 - Disclosure - Derivatives (Tables)</link:definition>
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        <link:definition>06101 - Disclosure - Senior Debt (Details Textual)</link:definition>
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        <link:definition>0509 - Disclosure - Goodwill and Other Intangible Assets (Tables)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/GoodwillAndOtherIntangibleAssetsDetailsTextual" id="GoodwillAndOtherIntangibleAssetsDetailsTextual">
        <link:definition>06094 - Disclosure - Goodwill and Other Intangible Assets (Details Textual)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/GoodwillAndOtherIntangibleAssetsDetails3" id="GoodwillAndOtherIntangibleAssetsDetails3">
        <link:definition>06093 - Disclosure - Goodwill and Other Intangible Assets (Details 3)</link:definition>
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        <link:definition>06092 - Disclosure - Goodwill and Other Intangible Assets (Details 2)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/GoodwillAndOtherIntangibleAssetsDetails1" id="GoodwillAndOtherIntangibleAssetsDetails1">
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      <link:roleType roleURI="http://www.lazard.com/role/GoodwillAndOtherIntangibleAssetsDetails" id="GoodwillAndOtherIntangibleAssetsDetails">
        <link:definition>0609 - Disclosure - Goodwill and Other Intangible Assets (Details)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/ReceivablesNetDetailsTextual" id="ReceivablesNetDetailsTextual">
        <link:definition>0603 - Disclosure - Receivables - Net (Details Textual)</link:definition>
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        <link:definition>0601 - Disclosure - Organization and Basis of Presentation (Details Textual)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
        <link:definition>0140 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/StatementsOfComprehensiveIncomeParenthetical" id="StatementsOfComprehensiveIncomeParenthetical">
        <link:definition>0131 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/FinancialConditionParenthetical" id="FinancialConditionParenthetical">
        <link:definition>0111 - Statement - Condensed Consolidated Statements of Financial Condition (Unaudited) (Parenthetical)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/FinancialCondition" id="FinancialCondition">
        <link:definition>0110 - Statement - Condensed Consolidated Statements of Financial Condition (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/SegmentInformationDetails" id="SegmentInformationDetails">
        <link:definition>0618 - Disclosure - Segment Information (Details)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/SegmentInformationTables" id="SegmentInformationTables">
        <link:definition>0518 - Disclosure - Segment Information (Tables)</link:definition>
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        <link:definition>06161 - Disclosure - Related Parties (Details Textual)</link:definition>
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        <link:definition>0616 - Disclosure - Related Parties (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/RelatedPartiesTables" id="RelatedPartiesTables">
        <link:definition>0516 - Disclosure - Related Parties (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>06134 - Disclosure - Incentive Plans (Details 4)</link:definition>
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        <link:definition>06133 - Disclosure - Incentive Plans (Details 3)</link:definition>
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        <link:definition>06132 - Disclosure - Incentive Plans (Details 2)</link:definition>
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        <link:definition>06131 - Disclosure - Incentive Plans (Details 1)</link:definition>
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      <link:roleType roleURI="http://www.lazard.com/role/IncentivePlansDetails" id="IncentivePlansDetails">
        <link:definition>0613 - Disclosure - Incentive Plans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/SeniorDebtTables" id="SeniorDebtTables">
        <link:definition>0510 - Disclosure - Senior Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/SeniorDebtDetails" id="SeniorDebtDetails">
        <link:definition>0610 - Disclosure - Senior Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/DerivatievesDetails1" id="DerivatievesDetails1">
        <link:definition>06061 - Disclosure - Derivatives (Details 1)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/DerivativeDetails" id="DerivativeDetails">
        <link:definition>0606 - Disclosure - Derivatives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/FairValueMeasurementsDetailsTextual" id="FairValueMeasurementsDetailsTextual">
        <link:definition>06053 - Disclosure - Fair Value Measurements (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/FairValueMeasurementsDetails2" id="FairValueMeasurementsDetails2">
        <link:definition>06052 - Disclosure - Fair Value Measurements (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/FairValueMeasurementsDetails1" id="FairValueMeasurementsDetails1">
        <link:definition>06051 - Disclosure - Fair Value Measurements (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/FairValueMeasurementsDetails" id="FairValueMeasurementsDetails">
        <link:definition>0605 - Disclosure - Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/FairValueMeasurementsTables" id="FairValueMeasurementsTables">
        <link:definition>0505 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/InvestmentsDetails2" id="InvestmentsDetails2">
        <link:definition>06042 - Disclosure - Investments (Details 2)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/InvestmentsDetails1" id="InvestmentsDetails1">
        <link:definition>06041 - Disclosure - Investments (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/InvestmentsDetailsTextual" id="InvestmentsDetailsTextual">
        <link:definition>06043 - Disclosure - Investments (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/InvestmentsDetails" id="InvestmentsDetails">
        <link:definition>0604 - Disclosure - Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/InvestmentsTables" id="InvestmentsTables">
        <link:definition>0504 - Disclosure - Investments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/SegmentInformation" id="SegmentInformation">
        <link:definition>0218 - Disclosure - Segment Information</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/RegulatoryAuthorities" id="RegulatoryAuthorities">
        <link:definition>0217 - Disclosure - Regulatory Authorities</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/RelatedParties" id="RelatedParties">
        <link:definition>0216 - Disclosure - Related Parties</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/IncomeTaxes" id="IncomeTaxes">
        <link:definition>0215 - Disclosure - Income Taxes</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/EmployeeBenefitPlans" id="EmployeeBenefitPlans">
        <link:definition>0214 - Disclosure - Employee Benefit Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/IncentivePlans" id="IncentivePlans">
        <link:definition>0213 - Disclosure - Incentive Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
        <link:definition>0211 - Disclosure - Commitments and Contingencies</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/SeniorDebt" id="SeniorDebt">
        <link:definition>0210 - Disclosure - Senior Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/GoodwillAndOtherIntangibleAssets" id="GoodwillAndOtherIntangibleAssets">
        <link:definition>0209 - Disclosure - Goodwill and Other Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/BusinessAcquisitions" id="BusinessAcquisitions">
        <link:definition>0207 - Disclosure - Business Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/Derivatives" id="Derivatives">
        <link:definition>0206 - Disclosure - Derivatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/FairValueMeasurements" id="FairValueMeasurements">
        <link:definition>0205 - Disclosure - Fair Value Measurements</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/Investments" id="Investments">
        <link:definition>0204 - Disclosure - Investments</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/ReceivablesNet" id="ReceivablesNet">
        <link:definition>0203 - Disclosure - Receivables - Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/RecentAccountingDevelopments" id="RecentAccountingDevelopments">
        <link:definition>0202 - Disclosure - Recent Accounting Developments</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/OrganizationAndBasisOfPresentation" id="OrganizationAndBasisOfPresentation">
        <link:definition>0201 - Disclosure - Organization and Basis of Presentation</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.lazard.com/role/StatementsOfComprehensiveIncome" id="StatementsOfComprehensiveIncome">
        <link:definition>0130 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/StatementsOfOperations" id="StatementsOfOperations">
        <link:definition>0120 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.lazard.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>00 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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