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    <link:label id="lab_ck0001771146_NewFundRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_NewFundRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Fund Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_NewFundRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_NewFundRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_NewFundRiskMember" xlink:to="lab_ck0001771146_NewFundRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_TaxRiskMember_label_en-US" xlink:label="lab_ck0001771146_TaxRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Risk Member</link:label>
    <link:label id="lab_ck0001771146_TaxRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_TaxRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_TaxRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_TaxRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_TaxRiskMember" xlink:to="lab_ck0001771146_TaxRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFRisksMember_label_en-US" xlink:label="lab_ck0001771146_ETFRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Risks Member</link:label>
    <link:label id="lab_ck0001771146_ETFRisksMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFRisksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Risks Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_ETFRisksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFRisksMember" xlink:to="lab_ck0001771146_ETFRisksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_C000275654Member_label_en-US" xlink:label="lab_ck0001771146_C000275654Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Property &amp; Casualty Index ETF Class</link:label>
    <link:label id="lab_ck0001771146_C000275654Member_documentation_en-US" xlink:label="lab_ck0001771146_C000275654Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Property &amp; Casualty Index ETF Class</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000275654Member" xlink:href="ck0001771146-20260522.xsd#ck0001771146_C000275654Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_C000275654Member" xlink:to="lab_ck0001771146_C000275654Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember_label_en-US" xlink:label="lab_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Risks, Authorized Participants, Market Makers, And Liquidity Providers Limitation Risk Member</link:label>
    <link:label id="lab_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Risks, Authorized Participants, Market Makers, And Liquidity Providers Limitation Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember" xlink:to="lab_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_C000275656Member_label_en-US" xlink:label="lab_ck0001771146_C000275656Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Lindy Effect Index ETF Class</link:label>
    <link:label id="lab_ck0001771146_C000275656Member_documentation_en-US" xlink:label="lab_ck0001771146_C000275656Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Lindy Effect Index ETF Class</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000275656Member" xlink:href="ck0001771146-20260522.xsd#ck0001771146_C000275656Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_C000275656Member" xlink:to="lab_ck0001771146_C000275656Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFRisksCashRedemptionRiskMember_label_en-US" xlink:label="lab_ck0001771146_ETFRisksCashRedemptionRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Risks, Cash Redemption Risk Member</link:label>
    <link:label id="lab_ck0001771146_ETFRisksCashRedemptionRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFRisksCashRedemptionRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Risks, Cash Redemption Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksCashRedemptionRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_ETFRisksCashRedemptionRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFRisksCashRedemptionRiskMember" xlink:to="lab_ck0001771146_ETFRisksCashRedemptionRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_PassiveStrategyIndexMember_label_en-US" xlink:label="lab_ck0001771146_PassiveStrategyIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Passive Strategy/Index Member</link:label>
    <link:label id="lab_ck0001771146_PassiveStrategyIndexMember_documentation_en-US" xlink:label="lab_ck0001771146_PassiveStrategyIndexMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Passive Strategy/Index Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_PassiveStrategyIndexMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_PassiveStrategyIndexMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_PassiveStrategyIndexMember" xlink:to="lab_ck0001771146_PassiveStrategyIndexMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_EquitySecuritiesRiskMember_label_en-US" xlink:label="lab_ck0001771146_EquitySecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Securities Risk Member</link:label>
    <link:label id="lab_ck0001771146_EquitySecuritiesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_EquitySecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Securities Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_EquitySecuritiesRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_EquitySecuritiesRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_EquitySecuritiesRiskMember" xlink:to="lab_ck0001771146_EquitySecuritiesRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_SubsidiaryInvestmentRiskMember_label_en-US" xlink:label="lab_ck0001771146_SubsidiaryInvestmentRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiary Investment Risk Member</link:label>
    <link:label id="lab_ck0001771146_SubsidiaryInvestmentRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_SubsidiaryInvestmentRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subsidiary Investment Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_SubsidiaryInvestmentRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_SubsidiaryInvestmentRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_SubsidiaryInvestmentRiskMember" xlink:to="lab_ck0001771146_SubsidiaryInvestmentRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_C000275657Member_label_en-US" xlink:label="lab_ck0001771146_C000275657Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Permanent Portfolio Index ETF Class</link:label>
    <link:label id="lab_ck0001771146_C000275657Member_documentation_en-US" xlink:label="lab_ck0001771146_C000275657Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Permanent Portfolio Index ETF Class</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000275657Member" xlink:href="ck0001771146-20260522.xsd#ck0001771146_C000275657Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_C000275657Member" xlink:to="lab_ck0001771146_C000275657Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_S000104976Member_label_en-US" xlink:label="lab_ck0001771146_S000104976Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Capital Efficiency Index ETF</link:label>
    <link:label id="lab_ck0001771146_S000104976Member_documentation_en-US" xlink:label="lab_ck0001771146_S000104976Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Capital Efficiency Index ETF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000104976Member" xlink:href="ck0001771146-20260522.xsd#ck0001771146_S000104976Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_S000104976Member" xlink:to="lab_ck0001771146_S000104976Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_S000104978Member_label_en-US" xlink:label="lab_ck0001771146_S000104978Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Permanent Portfolio Index ETF</link:label>
    <link:label id="lab_ck0001771146_S000104978Member_documentation_en-US" xlink:label="lab_ck0001771146_S000104978Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Porter &amp; Company Permanent Portfolio Index ETF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000104978Member" xlink:href="ck0001771146-20260522.xsd#ck0001771146_S000104978Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_S000104978Member" xlink:to="lab_ck0001771146_S000104978Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFRisksTradingMember_label_en-US" xlink:label="lab_ck0001771146_ETFRisksTradingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Risks, Trading Member</link:label>
    <link:label id="lab_ck0001771146_ETFRisksTradingMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFRisksTradingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Risks, Trading Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksTradingMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_ETFRisksTradingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFRisksTradingMember" xlink:to="lab_ck0001771146_ETFRisksTradingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember_label_en-US" xlink:label="lab_ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Insurance Industry Risk Member</link:label>
    <link:label id="lab_ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Concentration Risk, Insurance Industry Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember" xlink:to="lab_ck0001771146_ConcentrationRiskInsuranceIndustryRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_SamplingRiskMember_label_en-US" xlink:label="lab_ck0001771146_SamplingRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sampling Risk Member</link:label>
    <link:label id="lab_ck0001771146_SamplingRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_SamplingRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sampling Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_SamplingRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_SamplingRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_SamplingRiskMember" xlink:to="lab_ck0001771146_SamplingRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember_label_en-US" xlink:label="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Large Capitalization Securities Risk Member</link:label>
    <link:label id="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Large Capitalization Securities Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_LargeCapitalizationSecuritiesRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:to="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember_label_en-US" xlink:label="lab_ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Risks, Costs Of Buying Or Selling Shares Member</link:label>
    <link:label id="lab_ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Risks, Costs Of Buying Or Selling Shares Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember"/>
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    <link:label id="lab_ck0001771146_MidAndSmallCapitalizationSecuritiesRiskMember_label_en-US" xlink:label="lab_ck0001771146_MidAndSmallCapitalizationSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mid And Small Capitalization Securities Risk Member</link:label>
    <link:label id="lab_ck0001771146_MidAndSmallCapitalizationSecuritiesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_MidAndSmallCapitalizationSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mid And Small Capitalization Securities Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_MidAndSmallCapitalizationSecuritiesRiskMember" xlink:href="ck0001771146-20260522.xsd#ck0001771146_MidAndSmallCapitalizationSecuritiesRiskMember"/>
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