<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created by GIM iX https://www.dfinsolutions.com/  using Fujitsu Interstage XWand-->
<schema targetNamespace="http://www.leggmason.com/20250221" elementFormDefault="qualified" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:lmpet="http://www.leggmason.com/20250221" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31">
  <annotation>
    <appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="lmpet-20250221_pre.xml" xlink:title="Presentation Links, all" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="lmpet-20250221_cal.xml" xlink:title="Calculation Links, all" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="lmpet-20250221_def.xml" xlink:title="Definition Links, all" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="lmpet-20250221_lab.xml" xlink:title="Label Links, all" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://www.leggmason.com/role/DocumentDocumentandEntityInformationElements000000" id="httpwwwleggmasoncomroleDocumentDocumentandEntityInformationElements000000">
        <link:definition>000000 - Document - Document and Entity Information {Elements}</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeAppreciationFund000021" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeAppreciationFund000021">
        <link:definition>000021 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Appreciation Fund</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.leggmason.com/role/ScheduleAnnualFundOperatingExpenses000021" id="httpwwwleggmasoncomroleScheduleAnnualFundOperatingExpenses000021">
        <link:definition>000021 - Schedule - Annual Fund Operating Expenses</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeInternationalValueFund000041" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeInternationalValueFund000041">
        <link:definition>000041 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge International Value Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeLargeCapValueFund000061" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeLargeCapValueFund000061">
        <link:definition>000061 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Large Cap Value Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeMidCapFund000081" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeMidCapFund000081">
        <link:definition>000081 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Mid Cap Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeMidCapGrowthFund000101" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeMidCapGrowthFund000101">
        <link:definition>000101 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Mid Cap Growth Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeSelectFund000121" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeSelectFund000121">
        <link:definition>000121 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Select Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeSmallCapGrowthFund000141" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeSmallCapGrowthFund000141">
        <link:definition>000141 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Small Cap Growth Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeSustainabilityLeadersFund000161" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeSustainabilityLeadersFund000161">
        <link:definition>000161 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Sustainability Leaders Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsClearBridgeTacticalDividendIncomeFund000181" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsClearBridgeTacticalDividendIncomeFund000181">
        <link:definition>000181 - Disclosure - Risk/Return Detail Data {Elements} - ClearBridge Tactical Dividend Income Fund</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.leggmason.com/role/DisclosureRiskReturnDetailDataElementsFranklinGlobalEquityFund000201" id="httpwwwleggmasoncomroleDisclosureRiskReturnDetailDataElementsFranklinGlobalEquityFund000201">
        <link:definition>000201 - Disclosure - Risk/Return Detail Data {Elements} - Franklin Global Equity Fund</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://xbrl.sec.gov/rr/2023" schemaLocation="https://xbrl.sec.gov/rr/2023/rr-2023.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd" />
  <element name="S000016651Member" id="lmpet_S000016651Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="Russell3000IndexMember" id="lmpet_Russell3000IndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="SP500IndexMember" id="lmpet_SP500IndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046514Member" id="lmpet_C000046514Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046515Member" id="lmpet_C000046515Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046516Member" id="lmpet_C000046516Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000076730Member" id="lmpet_C000076730Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046519Member" id="lmpet_C000046519Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046518Member" id="lmpet_C000046518Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046517Member" id="lmpet_C000046517Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000063669Member" id="lmpet_C000063669Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="StockMarketAndEquitySecuritiesRiskMember" id="lmpet_StockMarketAndEquitySecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="MarketEventsRiskMember" id="lmpet_MarketEventsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="IssuerRiskMember" id="lmpet_IssuerRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="IndustryOrSectorFocusRiskMember" id="lmpet_IndustryOrSectorFocusRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="LargeCapitalizationCompanyRiskMember" id="lmpet_LargeCapitalizationCompanyRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="SmallAndMidCapitalizationCompanyRiskMember" id="lmpet_SmallAndMidCapitalizationCompanyRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="IlliquidityRiskMember" id="lmpet_IlliquidityRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ForeignInvestmentsAndEmergingMarketsRiskMember" id="lmpet_ForeignInvestmentsAndEmergingMarketsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ValuationRiskMember" id="lmpet_ValuationRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="GrowthAndValueInvestingRiskMember" id="lmpet_GrowthAndValueInvestingRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="PortfolioManagementRiskMember" id="lmpet_PortfolioManagementRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="CybersecurityRiskMember" id="lmpet_CybersecurityRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000016247Member" id="lmpet_S000016247Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="MSCIEAFEIndexNRMember" id="lmpet_MSCIEAFEIndexNRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="MSCIAllCountryWorldExUSIndexNRMember" id="lmpet_MSCIAllCountryWorldExUSIndexNRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044909Member" id="lmpet_C000044909Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044910Member" id="lmpet_C000044910Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044911Member" id="lmpet_C000044911Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000059793Member" id="lmpet_C000059793Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000083427Member" id="lmpet_C000083427Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000059794Member" id="lmpet_C000059794Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044912Member" id="lmpet_C000044912Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000066228Member" id="lmpet_C000066228Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ValueInvestingRiskMember" id="lmpet_ValueInvestingRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000016669Member" id="lmpet_S000016669Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="Russell1000ValueIndexMember" id="lmpet_Russell1000ValueIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046595Member" id="lmpet_C000046595Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046597Member" id="lmpet_C000046597Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000063680Member" id="lmpet_C000063680Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046599Member" id="lmpet_C000046599Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000063682Member" id="lmpet_C000063682Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000127016Member" id="lmpet_C000127016Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000004162Member" id="lmpet_S000004162Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="RussellMidcapIndexMember" id="lmpet_RussellMidcapIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000011723Member" id="lmpet_C000011723Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000011725Member" id="lmpet_C000011725Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000060700Member" id="lmpet_C000060700Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000011726Member" id="lmpet_C000011726Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000066225Member" id="lmpet_C000066225Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000011727Member" id="lmpet_C000011727Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="MidCapitalizationCompanyRiskMember" id="lmpet_MidCapitalizationCompanyRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000029718Member" id="lmpet_S000029718Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="RussellMidCapGrowthIndexMember" id="lmpet_RussellMidCapGrowthIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000091376Member" id="lmpet_C000091376Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000091377Member" id="lmpet_C000091377Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000091378Member" id="lmpet_C000091378Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000091379Member" id="lmpet_C000091379Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000091380Member" id="lmpet_C000091380Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000091381Member" id="lmpet_C000091381Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000091382Member" id="lmpet_C000091382Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="GrowthInvestingRiskMember" id="lmpet_GrowthInvestingRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="RiskOfInvestingInFewerIssuersMember" id="lmpet_RiskOfInvestingInFewerIssuersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000039065Member" id="lmpet_S000039065Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000120103Member" id="lmpet_C000120103Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000120104Member" id="lmpet_C000120104Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000120105Member" id="lmpet_C000120105Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000120106Member" id="lmpet_C000120106Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000120108Member" id="lmpet_C000120108Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000120107Member" id="lmpet_C000120107Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="FixedIncomeSecuritiesRiskMember" id="lmpet_FixedIncomeSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="InformationTechnologySectorRiskMember" id="lmpet_InformationTechnologySectorRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="DerivativesRisksMember" id="lmpet_DerivativesRisksMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="PrivatelyPlacedSecuritiesRiskMember" id="lmpet_PrivatelyPlacedSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ShortPositionsRiskMember" id="lmpet_ShortPositionsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="PrepaymentOrCallRiskMember" id="lmpet_PrepaymentOrCallRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ExtensionRiskMember" id="lmpet_ExtensionRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000016663Member" id="lmpet_S000016663Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="Russell2000GrowthIndexMember" id="lmpet_Russell2000GrowthIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046565Member" id="lmpet_C000046565Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046566Member" id="lmpet_C000046566Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046567Member" id="lmpet_C000046567Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046568Member" id="lmpet_C000046568Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046569Member" id="lmpet_C000046569Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046570Member" id="lmpet_C000046570Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046571Member" id="lmpet_C000046571Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000063670Member" id="lmpet_C000063670Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000076731Member" id="lmpet_C000076731Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046572Member" id="lmpet_C000046572Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="SmallCapitalizationCompanyRiskMember" id="lmpet_SmallCapitalizationCompanyRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000048737Member" id="lmpet_S000048737Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000153520Member" id="lmpet_C000153520Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000153521Member" id="lmpet_C000153521Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000153522Member" id="lmpet_C000153522Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000153523Member" id="lmpet_C000153523Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000153524Member" id="lmpet_C000153524Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000153525Member" id="lmpet_C000153525Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000153526Member" id="lmpet_C000153526Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ESGInvestmentStrategyRiskMember" id="lmpet_ESGInvestmentStrategyRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000016241Member" id="lmpet_S000016241Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="DowJonesUSSelectDividendIndexMember" id="lmpet_DowJonesUSSelectDividendIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="CompositeBenchmarkMember" id="lmpet_CompositeBenchmarkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044883Member" id="lmpet_C000044883Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044884Member" id="lmpet_C000044884Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044885Member" id="lmpet_C000044885Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000059787Member" id="lmpet_C000059787Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000083424Member" id="lmpet_C000083424Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000059788Member" id="lmpet_C000059788Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000044886Member" id="lmpet_C000044886Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000127029Member" id="lmpet_C000127029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="DividendPayingStockRiskMember" id="lmpet_DividendPayingStockRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="MasterLimitedPartnershipMLPRiskMember" id="lmpet_MasterLimitedPartnershipMLPRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="BusinessDevelopmentCompaniesBDCsRiskMember" id="lmpet_BusinessDevelopmentCompaniesBDCsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="REITsRiskMember" id="lmpet_REITsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="S000016668Member" id="lmpet_S000016668Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="MSCIAllCountryWorldIndexNRMember" id="lmpet_MSCIAllCountryWorldIndexNRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="MSCIWorldIndexNRMember" id="lmpet_MSCIWorldIndexNRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046590Member" id="lmpet_C000046590Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046591Member" id="lmpet_C000046591Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046592Member" id="lmpet_C000046592Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000062525Member" id="lmpet_C000062525Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000076732Member" id="lmpet_C000076732Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000062526Member" id="lmpet_C000062526Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046593Member" id="lmpet_C000046593Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000183979Member" id="lmpet_C000183979Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="C000046594Member" id="lmpet_C000046594Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ModelRiskMember" id="lmpet_ModelRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
</schema>
