<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 28-08-2026 05:30:09 AM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<schema targetNamespace="http://www.amgfunds.com/20260827" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:aet="http://www.amgfunds.com/20260827" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:srt-types="http://fasb.org/srt-types/2025" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:oef="http://xbrl.sec.gov/oef/2025" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:oef-pre="http://xbrl.sec.gov/oef-pre/2025" xmlns:oef-lab="http://xbrl.sec.gov/oef-lab/2025" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:us-roles="http://fasb.org/us-roles/2025" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:oef-def="http://xbrl.sec.gov/oef-def/2025" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:srt="http://fasb.org/srt/2025" xmlns:oef-sr="http://xbrl.sec.gov/oef-sr/2025" xmlns:srt-roles="http://fasb.org/srt-roles/2025" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:stpr="http://xbrl.sec.gov/stpr/2025" elementFormDefault="qualified">
	<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/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
	<import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd"/>
	<import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>   
	<import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
	<import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
	<import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd"/>
	<import namespace="http://xbrl.sec.gov/oef-sr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-sr-2025.xsd"/>
	<import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
	<import namespace="http://fasb.org/us-roles/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd"/>
	<import namespace="http://fasb.org/srt-roles/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd"/>
	<annotation>
		<appinfo>
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				<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReport" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReport"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportHoldingsDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportLineGraphDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportAverageAnnualReturnDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ClassOnly"/>
				<link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#LargestHoldingOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other1CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other1CategoryOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#AdditionalIndexOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#BroadBasedIndexOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other2CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other2CategoryOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/SalesLoadOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#SalesLoadOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/MaturityOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#MaturityOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#IndustrySectorOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/CreditQualityOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#CreditQualityOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/GeographicRegionOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#GeographicRegionOnly"/>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReport">              
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_C000263709Member" xlink:label="C000263709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263709Member" order="2.0" />
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				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails">               
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					<link:loc xlink:type="locator" xlink:href="#aet_C000263709Member" xlink:label="C000263709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263709Member" order="2.0" />   
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="InvestmentTypeCategorizationMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_OtherAssetsLessLiabilitiesMember" xlink:label="OtherAssetsLessLiabilitiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="OtherAssetsLessLiabilitiesMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_GeneralObligationMember" xlink:label="GeneralObligationMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="GeneralObligationMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestmentsMember" xlink:label="ShortTermInvestmentsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="ShortTermInvestmentsMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_MaturityDomain" xlink:label="MaturityDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory2Domain" xlink:label="OtherCategory2Domain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member" xlink:label="CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member" xlink:label="TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member" xlink:label="MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_JEAElectricSystemRevenueSeriesB4000100137Member" xlink:label="JEAElectricSystemRevenueSeriesB4000100137Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="JEAElectricSystemRevenueSeriesB4000100137Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_PhiladelphiaGasWorksCo5000100132Member" xlink:label="PhiladelphiaGasWorksCo5000100132Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="PhiladelphiaGasWorksCo5000100132Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_NewYorkTransportationDevelopmentCorp6000063055Member" xlink:label="NewYorkTransportationDevelopmentCorp6000063055Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="NewYorkTransportationDevelopmentCorp6000063055Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_NorthDakotaHousingFinanceAgencySeriesC4700070145Member" xlink:label="NorthDakotaHousingFinanceAgencySeriesC4700070145Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="NorthDakotaHousingFinanceAgencySeriesC4700070145Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_PennsylvaniaEconomicDevelopmentFinancingAuthority5250063035Member" xlink:label="PennsylvaniaEconomicDevelopmentFinancingAuthority5250063035Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="PennsylvaniaEconomicDevelopmentFinancingAuthority5250063035Member" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_CountyOfJeffersonSewerRevenue5500100153Member" xlink:label="CountyOfJeffersonSewerRevenue5500100153Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="CountyOfJeffersonSewerRevenue5500100153Member" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_CommonwealthFinancingAuthority4000060139Member" xlink:label="CommonwealthFinancingAuthority4000060139Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="CommonwealthFinancingAuthority4000060139Member" order="11.0" />
					<!--GeographicRegionDomain Only presentation and label linkbases-->			 
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_GeographicRegionDomain" xlink:label="GeographicRegionDomain"/>
					<!--IndustrySectorDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/>	
					<link:loc xlink:type="locator" xlink:href="#aet_WaterMember" xlink:label="WaterMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="WaterMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_EducationMember" xlink:label="EducationMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="EducationMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_TobaccoSettlementMember" xlink:label="TobaccoSettlementMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="TobaccoSettlementMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_DevelopmentMember" xlink:label="DevelopmentMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="DevelopmentMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_HousingMember" xlink:label="HousingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="HousingMember" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_PowerMember" xlink:label="PowerMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="PowerMember" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_MedicalMember" xlink:label="MedicalMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="MedicalMember" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_AirportMember" xlink:label="AirportMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="AirportMember" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_UtilitiesSectorMember" xlink:label="UtilitiesSectorMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="UtilitiesSectorMember" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransportationSectorMember" xlink:label="TransportationSectorMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="TransportationSectorMember" order="11.0" />
					<!--CreditQualityDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CreditQualityDomain" xlink:label="CreditQualityDomain"/>	
					<link:loc xlink:type="locator" xlink:href="#aet_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="NotRatedMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_BBMember" xlink:label="BBMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="BBMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_BBBMember" xlink:label="BBBMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="BBBMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_AMember" xlink:label="AMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="AMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#aet_AAMember" xlink:label="AAMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="AAMember" order="6.0" />
					<!--ExternalCreditRatingFitchMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingFitchMember" xlink:label="ExternalCreditRatingFitchMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingFitchMember" xbrldt:usable="false" order="1.0"/>
					<!--ExternalCreditRatingMoodysMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingMoodysMember" xlink:label="ExternalCreditRatingMoodysMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingMoodysMember" xbrldt:usable="false" order="2.1"/>
					<!--ExternalCreditRatingStandardPoorsMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingStandardPoorsMember" xlink:label="ExternalCreditRatingStandardPoorsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingStandardPoorsMember" xbrldt:usable="false" order="3.1"/>
					<!--CreditRatingAMBestDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CreditRatingAMBestDomain" xlink:label="CreditRatingAMBestDomain"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="CreditRatingAMBestDomain" xbrldt:usable="false" order="4.1"/>
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails">            
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_C000263709Member" xlink:label="C000263709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263709Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails">            
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_C000263709Member" xlink:label="C000263709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263709Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_WithSalesLoadMember" xlink:label="WithSalesLoadMember"/>
				</link:presentationLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_C000263709Member" xlink:label="C000263709Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000263709Member" order="1.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other1CategoryOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other2CategoryOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory2Domain" xlink:label="OtherCategory2Domain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/LargestHoldingOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member" xlink:label="CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member" xlink:label="TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member" xlink:label="MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_JEAElectricSystemRevenueSeriesB4000100137Member" xlink:label="JEAElectricSystemRevenueSeriesB4000100137Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="JEAElectricSystemRevenueSeriesB4000100137Member" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_PhiladelphiaGasWorksCo5000100132Member" xlink:label="PhiladelphiaGasWorksCo5000100132Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="PhiladelphiaGasWorksCo5000100132Member" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_NewYorkTransportationDevelopmentCorp6000063055Member" xlink:label="NewYorkTransportationDevelopmentCorp6000063055Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="NewYorkTransportationDevelopmentCorp6000063055Member" order="6.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_NorthDakotaHousingFinanceAgencySeriesC4700070145Member" xlink:label="NorthDakotaHousingFinanceAgencySeriesC4700070145Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="NorthDakotaHousingFinanceAgencySeriesC4700070145Member" order="7.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_PennsylvaniaEconomicDevelopmentFinancingAuthority5250063035Member" xlink:label="PennsylvaniaEconomicDevelopmentFinancingAuthority5250063035Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="PennsylvaniaEconomicDevelopmentFinancingAuthority5250063035Member" order="8.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_CountyOfJeffersonSewerRevenue5500100153Member" xlink:label="CountyOfJeffersonSewerRevenue5500100153Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="CountyOfJeffersonSewerRevenue5500100153Member" order="9.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_CommonwealthFinancingAuthority4000060139Member" xlink:label="CommonwealthFinancingAuthority4000060139Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="CommonwealthFinancingAuthority4000060139Member" order="10.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/SalesLoadOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_WithSalesLoadMember" xlink:label="WithSalesLoadMember"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="InvestmentTypeCategorizationMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_OtherAssetsLessLiabilitiesMember" xlink:label="OtherAssetsLessLiabilitiesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="OtherAssetsLessLiabilitiesMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_GeneralObligationMember" xlink:label="GeneralObligationMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="GeneralObligationMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestmentsMember" xlink:label="ShortTermInvestmentsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="ShortTermInvestmentsMember" order="3.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly">              
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/MaturityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_MaturityDomain" xlink:label="MaturityDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_WaterMember" xlink:label="WaterMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="WaterMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_EducationMember" xlink:label="EducationMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="EducationMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_TobaccoSettlementMember" xlink:label="TobaccoSettlementMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="TobaccoSettlementMember" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_DevelopmentMember" xlink:label="DevelopmentMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="DevelopmentMember" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_HousingMember" xlink:label="HousingMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="HousingMember" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_PowerMember" xlink:label="PowerMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="PowerMember" order="6.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_MedicalMember" xlink:label="MedicalMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="MedicalMember" order="7.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_AirportMember" xlink:label="AirportMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="AirportMember" order="8.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CreditQualityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CreditQualityDomain" xlink:label="CreditQualityDomain"/>
					<link:loc xlink:type="locator" xlink:href="#aet_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="NotRatedMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_BBMember" xlink:label="BBMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="BBMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_BBBMember" xlink:label="BBBMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="BBBMember" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_AMember" xlink:label="AMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="AMember" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#aet_AAMember" xlink:label="AAMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="AAMember" order="5.0"/>
				</link:definitionLink>
				<!--GeographicRegionOnly use only for STPR-->
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/GeographicRegionOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_GeographicRegionDomain" xlink:label="GeographicRegionDomain"/>
				</link:definitionLink>
				<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">               
					<link:loc xlink:type="locator" xlink:href="#aet_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:label xlink:type="resource" xlink:label="label_NotRatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Not Rated [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotRatedMember" xlink:to="label_NotRatedMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_BBMember" xlink:label="BBMember"/>
					<link:label xlink:type="resource" xlink:label="label_BBMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">BB [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BBMember" xlink:to="label_BBMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_BBBMember" xlink:label="BBBMember"/>
					<link:label xlink:type="resource" xlink:label="label_BBBMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">BBB [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BBBMember" xlink:to="label_BBBMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_AMember" xlink:label="AMember"/>
					<link:label xlink:type="resource" xlink:label="label_AMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">A [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AMember" xlink:to="label_AMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_AAMember" xlink:label="AAMember"/>
					<link:label xlink:type="resource" xlink:label="label_AAMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">AA [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AAMember" xlink:to="label_AAMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_OtherAssetsLessLiabilitiesMember" xlink:label="OtherAssetsLessLiabilitiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_OtherAssetsLessLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Assets less Liabilities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsLessLiabilitiesMember" xlink:to="label_OtherAssetsLessLiabilitiesMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_WaterMember" xlink:label="WaterMember"/>
					<link:label xlink:type="resource" xlink:label="label_WaterMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Water [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WaterMember" xlink:to="label_WaterMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_EducationMember" xlink:label="EducationMember"/>
					<link:label xlink:type="resource" xlink:label="label_EducationMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Education [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EducationMember" xlink:to="label_EducationMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_TobaccoSettlementMember" xlink:label="TobaccoSettlementMember"/>
					<link:label xlink:type="resource" xlink:label="label_TobaccoSettlementMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tobacco Settlement [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TobaccoSettlementMember" xlink:to="label_TobaccoSettlementMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_DevelopmentMember" xlink:label="DevelopmentMember"/>
					<link:label xlink:type="resource" xlink:label="label_DevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Development [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DevelopmentMember" xlink:to="label_DevelopmentMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_HousingMember" xlink:label="HousingMember"/>
					<link:label xlink:type="resource" xlink:label="label_HousingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Housing [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HousingMember" xlink:to="label_HousingMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_PowerMember" xlink:label="PowerMember"/>
					<link:label xlink:type="resource" xlink:label="label_PowerMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Power [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PowerMember" xlink:to="label_PowerMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_MedicalMember" xlink:label="MedicalMember"/>
					<link:label xlink:type="resource" xlink:label="label_MedicalMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Medical [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MedicalMember" xlink:to="label_MedicalMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_AirportMember" xlink:label="AirportMember"/>
					<link:label xlink:type="resource" xlink:label="label_AirportMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Airport [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AirportMember" xlink:to="label_AirportMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_GeneralObligationMember" xlink:label="GeneralObligationMember"/>
					<link:label xlink:type="resource" xlink:label="label_GeneralObligationMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">General Obligation [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralObligationMember" xlink:to="label_GeneralObligationMember"/>
					<link:loc xlink:type="locator" xlink:href="#aet_CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member" xlink:label="CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member"/>
					<link:label xlink:type="resource" xlink:label="label_CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">City of Houston Hotel Occupancy Tax And Special Revenue Series C 5 000 09 01 38 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member" xlink:to="label_CityOfHoustonHotelOccupancyTaxAndSpecialRevenueSeriesC5000090138Member"/>
					<link:loc xlink:type="locator" xlink:href="#aet_TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member" xlink:label="TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member"/>
					<link:label xlink:type="resource" xlink:label="label_TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Texas Private Activity Bond Surface Transportation Corp 5 000 06 30 58 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member" xlink:to="label_TexasPrivateActivityBondSurfaceTransportationCorp5000063058Member"/>
					<link:loc xlink:type="locator" xlink:href="#aet_MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member" xlink:label="MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member"/>
					<link:label xlink:type="resource" xlink:label="label_MassachusettsDevelopmentFinanceAgencySeriesA5500100144Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Massachusetts Development Finance Agency Series A 5 500 10 01 44 [Member]</link:label>
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										<link:label xlink:type="resource" xlink:label="label_C000263709Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">AMG GW&amp;amp;amp;K Muni Income ETF</link:label>
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