<SEC-DOCUMENT>0001969223-24-000211.txt : 20240306
<SEC-HEADER>0001969223-24-000211.hdr.sgml : 20240306
<ACCEPTANCE-DATETIME>20240306161438
ACCESSION NUMBER:		0001969223-24-000211
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240306
DATE AS OF CHANGE:		20240306

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:		24726036

	BUSINESS ADDRESS:	
		STREET 1:		1955 W FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
		BUSINESS PHONE:		8474823000

	MAIL ADDRESS:	
		STREET 1:		1955 W FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mundy Robert P.
		CENTRAL INDEX KEY:			0001429416
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(901) 369-4100

	MAIL ADDRESS:	
		STREET 1:		6775 LENOX CENTER COURT, SUITE 400
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38115
</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>0001429416</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000075677</issuerCik>
      <issuerName>Packaging Corporation of America</issuerName>
      <secFileNumber>001-15399</secFileNumber>
      <issuerAddress>
        <com:street1>1 North Field Court </com:street1>
        <com:city>Lake Forest</com:city>
        <com:stateOrCountry>IL</com:stateOrCountry>
        <com:zipCode>60045</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>847-482-3000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Mundy Family Trust Robert P. Mundy, trustee DTD 09/01/2016</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>UBS Financial Services Inc</name>
        <address>
          <com:street1>1000 Harbor Blvd</com:street1>
          <com:street2>3rd Floor</com:street2>
          <com:city>Weehawken</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>07086</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>10000</noOfUnitsSold>
      <aggregateMarketValue>1820000</aggregateMarketValue>
      <noOfUnitsOutstanding>89624119</noOfUnitsOutstanding>
      <approxSaleDate>03/06/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock </securitiesClassTitle>
      <acquiredDate>06/21/2021</acquiredDate>
      <natureOfAcquisitionTransaction>private transaction</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Mundy Family Trust Robert P. Mundy, trustee DTD 09/01/2016</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5359</amountOfSecuritiesAcquired>
      <paymentDate>06/21/2021</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>common stock</securitiesClassTitle>
      <acquiredDate>06/22/2022</acquiredDate>
      <natureOfAcquisitionTransaction>private transaction</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Mundy Family Trust Robert P. Mundy, trustee DTD 09/01/2016</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4425</amountOfSecuritiesAcquired>
      <paymentDate>06/26/2022</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>07/18/2022</acquiredDate>
      <natureOfAcquisitionTransaction>private transaction</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Mundy Family Trust Robert P. Mundy, trustee DTD 09/01/2016</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>216</amountOfSecuritiesAcquired>
      <paymentDate>07/18/2022</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Seller is the trust and Robert Mundy who is trustee of the trust is EVP &amp; CFO of PKG.</remarks>
    <noticeSignature>
      <noticeDate>03/06/2024</noticeDate>
      <signature>/s/ UBS Financial Services Inc, as attorney-in-fact for Mundy Family Trust Robert P. Mundy, trustee DTD 09/01/2016</signature>
    </noticeSignature>
  </formData>
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</DOCUMENT>
</SEC-DOCUMENT>
