<SEC-DOCUMENT>0001971857-24-000567.txt : 20240724
<SEC-HEADER>0001971857-24-000567.hdr.sgml : 20240724
<ACCEPTANCE-DATETIME>20240724141213
ACCESSION NUMBER:		0001971857-24-000567
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240724
DATE AS OF CHANGE:		20240724

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PACKAGING CORP OF AMERICA
		CENTRAL INDEX KEY:			0000075677
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPERBOARD CONTAINERS & BOXES [2650]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				364277050
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-15399
		FILM NUMBER:		241137609

	BUSINESS ADDRESS:	
		STREET 1:		1 NORTH FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
		BUSINESS PHONE:		8474823000

	MAIL ADDRESS:	
		STREET 1:		1 NORTH FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Shirley Donald R.
		CENTRAL INDEX KEY:			0001776032
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		1 N. FIELD COURT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001776032</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000075677</issuerCik>
      <issuerName>PACKAGING CORP OF AMERICA</issuerName>
      <secFileNumber>001-15399</secFileNumber>
      <issuerAddress>
        <com:street1>1 NORTH FIELD CT</com:street1>
        <com:city>LAKE FOREST</com:city>
        <com:stateOrCountry>IL</com:stateOrCountry>
        <com:zipCode>60045</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>8474823000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Shirley Donald R.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>MERRILL LYNCH</name>
        <address>
          <com:street1>1331 N CALIFORNIA BLVD STE 400</com:street1>
          <com:city>WALNUT CREEK</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94596</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>6000</noOfUnitsSold>
      <aggregateMarketValue>1169580.00</aggregateMarketValue>
      <noOfUnitsOutstanding>89797979</noOfUnitsOutstanding>
      <approxSaleDate>07/25/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/25/2024</acquiredDate>
      <natureOfAcquisitionTransaction>STOCK BONUS</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>PACKAGING CORP OF AMERICA</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2953</amountOfSecuritiesAcquired>
      <paymentDate>03/25/2024</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>02/28/2024</acquiredDate>
      <natureOfAcquisitionTransaction>STOCK BONUS</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>PACKAGING CORP OF AMERICA</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2209</amountOfSecuritiesAcquired>
      <paymentDate>02/28/2024</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>02/25/2024</acquiredDate>
      <natureOfAcquisitionTransaction>STOCK BONUS</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>PACKAGING CORP OF AMERICA</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>838</amountOfSecuritiesAcquired>
      <paymentDate>02/25/2024</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>07/24/2024</noticeDate>
      <signature>Heather Stickney</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
