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        <name>Puerto Rico Electric Power Authority</name>
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        <name>Birmingham-Jefferson Civic Center Authority</name>
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        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
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        <name>Puerto Rico Industrial Tourist Educational Medical &amp; Environmental Control Facilities Financing Authority</name>
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        <name>Gadsden Water Works &amp; Sewer Board</name>
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        <name>University of West Alabama</name>
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      <invstOrSec>
        <name>Montevallo American Village Public Educational Building Authority</name>
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        <name>Toll Road Investors Partnership II LP</name>
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        <name>New Jersey Transportation Trust Fund Authority</name>
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          <maturityDt>2047-05-01</maturityDt>
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          <annualizedRt>5.00000000</annualizedRt>
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        <name>DCH Healthcare Authority</name>
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          <isin value="US233091FU63"/>
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          <annualizedRt>5.00000000</annualizedRt>
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        <name>Indiana Finance Authority</name>
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          <isin value="US45506DGY58"/>
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          <maturityDt>2040-07-01</maturityDt>
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        <name>Pennsylvania Economic Development Financing Authority</name>
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          <isin value="US70868YAX76"/>
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          <maturityDt>2057-12-31</maturityDt>
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          <annualizedRt>5.00000000</annualizedRt>
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        <name>University of West Alabama</name>
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          <isin value="US915235EP60"/>
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          <maturityDt>2040-01-01</maturityDt>
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        <name>Guam Government Waterworks Authority</name>
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        <isRestrictedSec>N</isRestrictedSec>

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          <maturityDt>2035-07-01</maturityDt>
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        <name>Iowa Student Loan Liquidity Corp.</name>
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      <invstOrSec>
        <name>Birmingham-Jefferson Civic Center Authority</name>
        <lei>N/A</lei>
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      <invstOrSec>
        <name>Michigan Finance Authority</name>
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      <invstOrSec>
        <name>Tuscaloosa City Board of Education</name>
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          <maturityDt>2036-08-01</maturityDt>
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          <annualizedRt>5.00000000</annualizedRt>
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      <invstOrSec>
        <name>Village of Bridgeview IL</name>
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          <maturityDt>2036-12-01</maturityDt>
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        <name>Puerto Rico Electric Power Authority</name>
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        <name>Homewood Educational Building Authority</name>
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        <name>Commonwealth of Puerto Rico</name>
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        <name>Colorado Health Facilities Authority</name>
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        <name>Orange Beach Water Sewer &amp; Fire Protection Authority</name>
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        <name>Alabama Transportation Infrastructure Bank</name>
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        <name>University of South Alabama</name>
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        <name>HTA CL 6 Trust</name>
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        <name>Connecticut Housing Finance Authority</name>
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        <name>Puerto Rico Electric Power Authority</name>
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        <securityLending>
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      <invstOrSec>
        <name>Alabama Housing Finance Authority</name>
        <lei>549300VFN7EHPOFS7D76</lei>
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          <isin value="US01030PGX87"/>
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        <valUSD>1008394.40000000</valUSD>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2025-10-01</maturityDt>
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          <annualizedRt>3.99999960</annualizedRt>
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      <invstOrSec>
        <name>Virginia Small Business Financing Authority</name>
        <lei>N/A</lei>
        <title>Virginia Small Business Financing Authority</title>
        <cusip>92810RAA5</cusip>
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          <isin value="US92810RAA59"/>
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        <curCd>USD</curCd>
        <valUSD>996443.70000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2052-11-01</maturityDt>
          <couponKind>Variable</couponKind>
          <annualizedRt>3.49999920</annualizedRt>
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      <invstOrSec>
        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
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          <isin value="US74529JPV16"/>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
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        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2040-07-01</maturityDt>
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          <annualizedRt>4.55000000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Infirmary Health System Special Care Facilities Financing Authority of Mobile</name>
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          <isin value="US45663NCA81"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2040-02-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Muscle Shoals Sheffield &amp; Tuscumbia Solid Waste Disposal Authority</name>
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          <isin value="US627375AA62"/>
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        <curCd>USD</curCd>
        <valUSD>286908.66000000</valUSD>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2040-05-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>6.00000000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Puerto Rico Electric Power Authority</name>
        <lei>5493003BRB67HF8ST418</lei>
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          <isin value="US74526QZM76"/>
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        <curCd>USD</curCd>
        <valUSD>50400.00000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2021-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Elmore County Board of Education</name>
        <lei>N/A</lei>
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          <isin value="US289770AS88"/>
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        <balance>745000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>742497.40000000</valUSD>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2038-08-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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        <name>Commonwealth of Puerto Rico</name>
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          <isin value="US74514L3T29"/>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2043-11-01</maturityDt>
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          <annualizedRt>0.00000000</annualizedRt>
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        <name>Prichard Water Works &amp; Sewer Board</name>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2044-11-01</maturityDt>
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          <annualizedRt>4.00000000</annualizedRt>
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        <name>Puerto Rico Electric Power Authority</name>
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        <invCountry>PR</invCountry>

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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2022-07-01</maturityDt>
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          <annualizedRt>5.37500000</annualizedRt>
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        <name>Southeast Energy Authority A Cooperative District</name>
        <lei>25490090A3RLJHITY273</lei>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2051-12-01</maturityDt>
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          <annualizedRt>3.99999960</annualizedRt>
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        <name>New Jersey Higher Education Student Assistance Authority</name>
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        <name>New Hampshire Business Finance Authority</name>
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        <name>Puerto Rico Electric Power Authority</name>
        <lei>5493003BRB67HF8ST418</lei>
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          <isin value="US74526QZJ48"/>
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        <invCountry>PR</invCountry>

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          <maturityDt>2024-07-01</maturityDt>
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        <name>Golden State Tobacco Securitization Corp.</name>
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        <name>Jacksonville Public Educational Building Authority</name>
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        <name>Auburn University</name>
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        <name>Limestone County Water &amp; Sewer Authority</name>
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        <name>Puerto Rico Electric Power Authority</name>
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        <name>Alabama Federal Aid Highway Finance Authority</name>
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        <name>Puerto Rico Electric Power Authority</name>
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      <invstOrSec>
        <name>Alabama Community College System</name>
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        <name>Iowa Student Loan Liquidity Corp.</name>
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          <maturityDt>2044-12-01</maturityDt>
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      <invstOrSec>
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          <annualizedRt>5.00000000</annualizedRt>
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        <name>Alabama Special Care Facilities Financing Authority-Birmingham AL</name>
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          <maturityDt>2045-06-01</maturityDt>
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        <name>City &amp; County of Denver CO Airport System Revenue</name>
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        <name>Michigan Finance Authority</name>
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        <name>Puerto Rico Electric Power Authority</name>
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          <maturityDt>2030-07-01</maturityDt>
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        <name>Downey Unified School District</name>
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        <name>Puerto Rico Electric Power Authority</name>
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        <name>Tuscaloosa County Board of Education</name>
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        <name>Alabama Special Care Facilities Financing Authority-Birmingham AL</name>
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        <name>City of Arab AL</name>
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          <maturityDt>2046-12-01</maturityDt>
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          <annualizedRt>3.00000000</annualizedRt>
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        <name>Chicago Board of Education</name>
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          <maturityDt>2047-12-01</maturityDt>
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          <annualizedRt>4.00000000</annualizedRt>
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        <name>Maryland Stadium Authority</name>
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          <maturityDt>2047-05-01</maturityDt>
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          <annualizedRt>5.00000000</annualizedRt>
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        <name>North Carolina Medical Care Commission</name>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2029-01-01</maturityDt>
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        <name>New Jersey Economic Development Authority</name>
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        <fairValLevel>2</fairValLevel>
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        <name>County of Mobile AL</name>
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          <maturityDt>2038-02-01</maturityDt>
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        <name>City of Birmingham AL</name>
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          <maturityDt>2043-12-01</maturityDt>
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        <name>Puerto Rico Electric Power Authority</name>
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        <name>Michigan Finance Authority</name>
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        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
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        <name>Cooper Green Mercy Health Services Authority</name>
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        <name>Guam Government Waterworks Authority</name>
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        <name>Golden State Tobacco Securitization Corp.</name>
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        <name>Spartanburg Regional Health Services District</name>
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        <name>Cullman Utilities Board Water Division</name>
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        <name>University of Alabama (The)</name>
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        <name>UAB Medicine Finance Authority</name>
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          <maturityDt>2035-12-01</maturityDt>
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        <name>University of South Alabama</name>
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        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
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        <name>Southeast Energy Authority A Cooperative District</name>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>Puerto Rico Electric Power Authority</name>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2027-07-01</maturityDt>
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      <invstOrSec>
        <name>Orangeburg County Facilities Corp.</name>
        <lei>N/A</lei>
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          <isin value="US685357AV75"/>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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      <invstOrSec>
        <name>Commonwealth of Puerto Rico</name>
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          <isin value="US74514L3M75"/>
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        <curCd>USD</curCd>
        <valUSD>19865.10000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2037-07-01</maturityDt>
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          <annualizedRt>4.00000000</annualizedRt>
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      <invstOrSec>
        <name>Virginia Small Business Financing Authority</name>
        <lei>N/A</lei>
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          <isin value="US928104NZ76"/>
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        <curCd>USD</curCd>
        <valUSD>189353.05000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2041-01-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>3.00000000</annualizedRt>
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      <invstOrSec>
        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
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          <isin value="US74529JQG30"/>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-07-01</maturityDt>
          <couponKind>None</couponKind>
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      <invstOrSec>
        <name>Montevallo American Village Public Educational Building Authority</name>
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          <isin value="US612685EB98"/>
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        <curCd>USD</curCd>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2033-12-01</maturityDt>
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          <annualizedRt>4.00000000</annualizedRt>
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      <invstOrSec>
        <name>Commonwealth of Puerto Rico</name>
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          <isin value="US74514L3N58"/>
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        <assetCat>DBT</assetCat>
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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2041-07-01</maturityDt>
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          <annualizedRt>4.00000000</annualizedRt>
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      <invstOrSec>
        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2040-07-01</maturityDt>
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        <name>Guam Government Waterworks Authority</name>
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        <fairValLevel>2</fairValLevel>
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          <annualizedRt>5.00000000</annualizedRt>
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        <name>Troy University</name>
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        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
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        <name>Michigan Finance Authority</name>
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        <name>Toll Road Investors Partnership II LP</name>
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      <invstOrSec>
        <name>Commonwealth of Puerto Rico</name>
        <lei>549300X44HXPLJU48U63</lei>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2033-07-01</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
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      <invstOrSec>
        <name>Alabama Community College System</name>
        <lei>N/A</lei>
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        <cusip>01025PEQ2</cusip>
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          <isin value="US01025PEQ28"/>
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        <curCd>USD</curCd>
        <valUSD>689378.02000000</valUSD>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2038-09-01</maturityDt>
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          <annualizedRt>4.00000000</annualizedRt>
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      <invstOrSec>
        <name>New Jersey Economic Development Authority</name>
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          <isin value="US64577XCK00"/>
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        <curCd>USD</curCd>
        <valUSD>5015.33000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2034-06-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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      <invstOrSec>
        <name>Harris County Cultural Education Facilities Finance Corp.</name>
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          <isin value="US414009RR38"/>
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        <curCd>USD</curCd>
        <valUSD>404864.69000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2052-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.12500000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Puerto Rico Electric Power Authority</name>
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          <isin value="US74526QXN77"/>
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        <balance>50000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>36625.00000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2023-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.25000000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>City &amp; County of Denver CO Airport System Revenue</name>
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        <curCd>USD</curCd>
        <valUSD>43833.83000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2053-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.12500000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>DCH Healthcare Authority</name>
        <lei>N/A</lei>
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          <isin value="US23366AAF49"/>
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        <balance>1000000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>903896.30000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-06-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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      <invstOrSec>
        <name>Guam Government Waterworks Authority</name>
        <lei>N/A</lei>
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          <isin value="US40065FCG72"/>
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        <curCd>USD</curCd>
        <valUSD>45580.89000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>GU</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2036-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
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      <invstOrSec>
        <name>City of Fultondale AL</name>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <maturityDt>2040-03-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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        <name>Puerto Rico Electric Power Authority</name>
        <lei>5493003BRB67HF8ST418</lei>
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          <isin value="US74526QA282"/>
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        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <maturityDt>2042-07-01</maturityDt>
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          <annualizedRt>5.00000000</annualizedRt>
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        <name>Puerto Rico Electric Power Authority</name>
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          <maturityDt>2021-07-01</maturityDt>
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        <name>Jefferson County Board of Education AL</name>
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          <maturityDt>2042-02-01</maturityDt>
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        <name>Colorado Health Facilities Authority</name>
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        <name>Metropolitan Pier &amp; Exposition Authority</name>
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        <name>University of North Alabama</name>
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        <name>University of North Alabama</name>
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        <name>Alabama Transportation Infrastructure Bank</name>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2036-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>New York City Housing Development Corp.</name>
        <lei>549300SQWVHKBRF8D702</lei>
        <title>New York City Housing Development Corp.</title>
        <cusip>64972EA74</cusip>
        <identifiers>
          <isin value="US64972EA740"/>
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        <balance>585000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>393120.53000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2045-11-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.45000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
        <lei>N/A</lei>
        <title>Puerto Rico Sales Tax Financing Corp. Sales Tax</title>
        <cusip>74529JRJ6</cusip>
        <identifiers>
          <isin value="US74529JRJ69"/>
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        <balance>58000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>52248.61000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2040-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.32900000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Matching Fund Special Purpose Securitization Corp.</name>
        <lei>N/A</lei>
        <title>Matching Fund Special Purpose Securitization Corp.</title>
        <cusip>57665NAB1</cusip>
        <identifiers>
          <isin value="US57665NAB10"/>
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        <balance>35000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>35920.99000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>VI</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-10-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Puerto Rico Electric Power Authority</name>
        <lei>5493003BRB67HF8ST418</lei>
        <title>Puerto Rico Electric Power Authority</title>
        <cusip>74526QXB3</cusip>
        <identifiers>
          <isin value="US74526QXB30"/>
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        <balance>40000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>28800.00000000</valUSD>
        <pctVal>0.039676841882</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2018-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
          <isDefault>Y</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>State Public School Building Authority</name>
        <lei>5493006JN0UR7OGWTO86</lei>
        <title>State Public School Building Authority</title>
        <cusip>85732GUH1</cusip>
        <identifiers>
          <isin value="US85732GUH19"/>
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        <balance>350000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>368154.47000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2033-06-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue</name>
        <lei>N/A</lei>
        <title>Puerto Rico Sales Tax Financing Corp. Sales Tax</title>
        <cusip>74529JPW9</cusip>
        <identifiers>
          <isin value="US74529JPW98"/>
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        <balance>57000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>50384.99000000</valUSD>
        <pctVal>0.069413794495</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2053-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.75000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Commonwealth of Puerto Rico</name>
        <lei>549300X44HXPLJU48U63</lei>
        <title>Commonwealth of Puerto Rico</title>
        <cusip>74514L3K1</cusip>
        <identifiers>
          <isin value="US74514L3K10"/>
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        <balance>31477.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>27292.44000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2033-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Alabama Public Health Care Authority (The)</name>
        <lei>N/A</lei>
        <title>Alabama Public Health Care Authority (The)</title>
        <cusip>010606BW0</cusip>
        <identifiers>
          <isin value="US010606BW08"/>
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        <balance>280000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>292041.01000000</valUSD>
        <pctVal>0.402335589475</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-09-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Madison Water &amp; Wastewater Board</name>
        <lei>N/A</lei>
        <title>Madison Water &amp; Wastewater Board</title>
        <cusip>556589JF7</cusip>
        <identifiers>
          <isin value="US556589JF79"/>
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        <balance>1000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>738706.10000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2050-12-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>3.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Alabama Community College System</name>
        <lei>N/A</lei>
        <title>Alabama Community College System</title>
        <cusip>01025PEA7</cusip>
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          <isin value="US01025PEA75"/>
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        <balance>1000000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>946308.80000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2049-01-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>County of Mobile AL</name>
        <lei>N/A</lei>
        <title>County of Mobile</title>
        <cusip>6072674N8</cusip>
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          <isin value="US6072674N82"/>
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        <balance>500000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>536649.85000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2036-08-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Montebello Unified School District</name>
        <lei>N/A</lei>
        <title>Montebello Unified School District</title>
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          <isin value="US612289TD08"/>
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        <balance>270000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>255790.47000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-08-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Commonwealth of Puerto Rico</name>
        <lei>549300X44HXPLJU48U63</lei>
        <title>Commonwealth of Puerto Rico</title>
        <cusip>74514L3P0</cusip>
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          <isin value="US74514L3P07"/>
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        <balance>121336.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>90963.99000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2046-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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        <securityLending>
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      <invstOrSec>
        <name>New York Liberty Development Corp.</name>
        <lei>N/A</lei>
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          <isin value="US649519DA03"/>
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        <balance>260000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>235882.14000000</valUSD>
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        <assetCat>DBT</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2044-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Bessemer Public Educational Building Authority</name>
        <lei>N/A</lei>
        <title>Bessemer Public Educational Building Authority</title>
        <cusip>086413BK6</cusip>
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          <isin value="US086413BK62"/>
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        <balance>210000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>210272.87000000</valUSD>
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        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2030-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.00000000</annualizedRt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Alabama Community College System ACCS Enhancements Fee Revenue</name>
        <lei>N/A</lei>
        <title>Alabama Community College System ACCS Enhancements Fee</title>
        <cusip>01025QAS0</cusip>
        <identifiers>
          <isin value="US01025QAS03"/>
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        <balance>1000000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>997682.20000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2038-09-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.00000000</annualizedRt>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Commonwealth of Puerto Rico</name>
        <lei>549300X44HXPLJU48U63</lei>
        <title>Commonwealth of Puerto Rico</title>
        <cusip>74514L3Q8</cusip>
        <identifiers>
          <isin value="US74514L3Q89"/>
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        <balance>10511.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>9741.82000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-07-01</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>City of Chicago IL</name>
        <lei>T5UYO5SYLC8K73MJQX30</lei>
        <title>City of Chicago</title>
        <cusip>167486D71</cusip>
        <identifiers>
          <isin value="US167486D712"/>
        </identifiers>
        <balance>40000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>41964.52000000</valUSD>
        <pctVal>0.057813181413</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2035-01-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.50000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Commonwealth of Puerto Rico</name>
        <lei>549300X44HXPLJU48U63</lei>
        <title>Commonwealth of Puerto Rico</title>
        <cusip>74514L3J4</cusip>
        <identifiers>
          <isin value="US74514L3J47"/>
        </identifiers>
        <balance>115194.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>119106.93000000</valUSD>
        <pctVal>0.164089820440</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>MUN</issuerCat>
        <invCountry>PR</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2031-07-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.75000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="All applicable monthly total returns are reported excluding any sales loads or redemption fees for Item B.5." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2023-01-30</ncom:dateSigned>
      <ncom:nameOfApplicant>MFS Municipal Series Trust</ncom:nameOfApplicant>
      <ncom:signature>Kasey Phillips</ncom:signature>
      <ncom:signerName>Kasey Phillips</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
