<SUBMISSION>
<SECARCHIVE-DATETIME> 20220316-070831 ⇐ Metadata from SEC Info (ET)
<SECWEBSITE-DATETIME> 20210726-171400 ⇐ Metadata from SEC Info (ET)
<ACCEPTANCE-DATETIME> 20210726-171318 ⇐ Filing accepted by SEC (ET)
<ACCESSION-NUMBER> 0000950170-21-000520
<TYPE> 8-K
<PUBLIC-DOCUMENT-COUNT> 14
<PERIOD> 20210726
<ITEMS> 2.02
<ITEMS> 9.01
<FILING-DATE> 20210726
<DATE-OF-FILING-DATE-CHANGE> 20210726
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<FILER>
<COMPANY-DATA>
<CONFORMED-NAME> PACKAGING CORP OF AMERICA
<CIK> 0000075677
<ASSIGNED-SIC> 2650
<IRS-NUMBER> 364277050 ⇒ 36-4277050
<FISCAL-YEAR-END> 1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE> 8-K
<ACT> 34
<FILE-NUMBER> 001-15399
<FILM-NUMBER> 211114923
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1> 1955 W FIELD CT
<CITY> LAKE FOREST
<STATE> IL
<ZIP> 60045
<PHONE> 8474823000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1> 1955 W FIELD CT
<CITY> LAKE FOREST
<STATE> IL
<ZIP> 60045
</MAIL-ADDRESS>
</FILER>
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<DOCUMENT>
<TYPE> 8-K
<SEQUENCE> 1
<FILENAME> pkg-20210726.htm
<DESCRIPTION> 8-K
<TEXT>
<XBRL>
<?xml version="1.0" encoding="ASCII"?>
Show <XBRL>: 199 lines (widest: 1,887 characters) - 46K bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EX-99.1
<SEQUENCE> 2
<FILENAME> pkg-20210726ex99_1.htm
<DESCRIPTION> EX-99.1
<TEXT>
<html>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> GRAPHIC
<SEQUENCE> 3 ⇐ Not a Document/Exhibit
<FILENAME> img2386921_0.jpg
<DESCRIPTION> GRAPHIC
<TEXT>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EX-101.PRE
<SEQUENCE> 4 ⇐ Document/Exhibit 3
<FILENAME> pkg-20210726_pre.xml
<DESCRIPTION> XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EX-101.LAB
<SEQUENCE> 5 ⇐ Document/Exhibit 4
<FILENAME> pkg-20210726_lab.xml
<DESCRIPTION> XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
Show <XBRL>: 104 lines (widest: 268 characters) - 18K bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EX-101.SCH
<SEQUENCE> 6 ⇐ Document/Exhibit 5
<FILENAME> pkg-20210726.xsd
<DESCRIPTION> XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> XML
<SEQUENCE> 7 ⇐ Document/Exhibit 6
<FILENAME> pkg-20210726_htm.xml
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> XML
<SEQUENCE> 8 ⇐ Document/Exhibit 7
<FILENAME> R1.htm
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
<html>
Show <HTML>: 804 lines (widest: 430 characters) - 38K bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EXCEL
<SEQUENCE> 9 ⇐ Document/Exhibit 8
<FILENAME> Financial_Report.xlsx
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> XML
<SEQUENCE> 10 ⇐ Not a Document/Exhibit
<FILENAME> Show.js
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
Show <TEXT>: 5 lines (widest: 296 characters) - 973 bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> XML
<SEQUENCE> 11 ⇐ Not a Document/Exhibit
<FILENAME> report.css
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
Show <TEXT>: 182 lines (widest: 57 characters) - 4K bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> XML
<SEQUENCE> 12 ⇐ Document/Exhibit 9
<FILENAME> FilingSummary.xml
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
Show <XML>: 51 lines (widest: 121 characters) - 2K bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> JSON
<SEQUENCE> 15 ⇒ 13 ⇐ Document/Exhibit 10
<FILENAME> MetaLinks.json
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
Show <TEXT>: 607 lines (widest: 355 characters) - 19K bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> ZIP
<SEQUENCE> 16 ⇒ 14 ⇐ Document/Exhibit 11
<FILENAME> 0000950170-21-000520-xbrl.zip
<DESCRIPTION> IDEA: XBRL DOCUMENT
<TEXT>
Show <TEXT>: 3,642 lines (Unix-to-Unix encoding) - 221K bytes
</TEXT>
</DOCUMENT>
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</SUBMISSION> |
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