<SEC-DOCUMENT>0000950170-23-039258.txt : 20230807
<SEC-HEADER>0000950170-23-039258.hdr.sgml : 20230807
<ACCEPTANCE-DATETIME>20230807191944
ACCESSION NUMBER:		0000950170-23-039258
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230807
DATE AS OF CHANGE:		20230807

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-15399
		FILM NUMBER:		231148937

	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:			Ridley Bruce A
		CENTRAL INDEX KEY:			0001776456

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		1 N. FIELD CT
		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:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001776456</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>
<street1 xmlns="http://www.sec.gov/edgar/common">1 North Field Court</street1>
<city xmlns="http://www.sec.gov/edgar/common">Lake Forest</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">IL</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">60045</zipCode>
</issuerAddress>
<issuerContactPhone>847-482-3000</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Bruce A. Ridley</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Officer</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Common</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>Woodbury Financial</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">7755 3rd Street N</street1>
<city xmlns="http://www.sec.gov/edgar/common">Oakdale</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">MN</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">55128</zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>3493</noOfUnitsSold>
<aggregateMarketValue>542183.46</aggregateMarketValue>
<noOfUnitsOutstanding>89932185</noOfUnitsOutstanding>
<approxSaleDate>08/02/2023</approxSaleDate>
<securitiesExchangeName>NYSE</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Common</securitiesClassTitle>
<acquiredDate>06/28/2023</acquiredDate>
<natureOfAcquisitionTransaction>restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>1967</amountOfSecuritiesAcquired>
<paymentDate>06/28/2023</paymentDate>
<natureOfPayment>services rendered</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>common</securitiesClassTitle>
<acquiredDate>06/26/2022</acquiredDate>
<natureOfAcquisitionTransaction>restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>1526</amountOfSecuritiesAcquired>
<paymentDate>06/26/2022</paymentDate>
<natureOfPayment>services rendered</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<noticeSignature>
<noticeDate>08/07/2023</noticeDate>
<signature>/s/ Bruce A. Ridley</signature>
</noticeSignature>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
