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    <issuerInfo>
      <issuerCik>0001530950</issuerCik>
      <issuerName>Post Holdings, Inc.</issuerName>
      <secFileNumber>001-35305</secFileNumber>
      <issuerAddress>
        <com:street1>2503 S. HANLEY ROAD</com:street1>
        <com:city>ST. LOUIS</com:city>
        <com:stateOrCountry>MO</com:stateOrCountry>
        <com:zipCode>63144</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>314-644-7600</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>CATOGGIO NICOLAS</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>6500</noOfUnitsSold>
      <aggregateMarketValue>709693.00</aggregateMarketValue>
      <noOfUnitsOutstanding>58453277</noOfUnitsOutstanding>
      <approxSaleDate>11/18/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>10/21/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Performance Award Lapse</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>POST HOLDINGS, INC.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6500</amountOfSecuritiesAcquired>
      <paymentDate>10/21/2024</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/18/2024</noticeDate>
      <signature>NICOLAS CATOGGIO</signature>
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144
0001882375
XXXXXXXX
LIVE
0001530950
Post Holdings, Inc.
001-35305
2503 S. HANLEY ROAD
ST. LOUIS
MO
63144
314-644-7600
CATOGGIO NICOLAS
Officer
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
6500
709693.00
58453277
11/18/2024
NYSE
Common
10/21/2024
Performance Award Lapse
POST HOLDINGS, INC.
N
6500
10/21/2024
Equity Compensation
Y
11/18/2024
NICOLAS CATOGGIO