401k Plan data: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES plan

PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 401k Plan overview

Plan Name	PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES
Plan identification number	002

PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Age/Service Weighted or new comparability or similar plan - Age/Service Weighted Plan: Allocations are based on age, service, or age and service. New comparability or similar plan: Allocations are based on participant classifications and a classification(s) consists entirely or predominantly of highly compensated employees; or the plan provides an additional allocation rate on compensation above a specified threshold, and the theshold or additional rate exceeds the maximum threshold or rate allowed under the permitted disparity rules of section 401(l).
ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1.
Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Partial participant-directed account plan - Participants have the opportunity to direct the investment of a portion of the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash.
Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities.
ESOP other than a leveraged ESOP - A completed Schedule E must be attached to a Form 5500 filed for an Employee Stock Ownership Plan (ESOP).
Participant-directed brokerage accounts provided as an investment option under the plan.
Plan provides for automatic enrollment in plan that has employee contributions deducted from payroll.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Plan sponsor(s) received services of leased employees, as defined in Code section 414(n), during the plan year.
Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).
Plan requiring that all or part of employer contributions be invested and held, at least for a limited period, in employer securities.

401k Sponsoring company profile

PACKAGING CORPORATION OF AMERICA has sponsored the creation of one or more 401k plans.

Company Name: PACKAGING CORPORATION OF AMERICA

Employer identification number (EIN): 364277050

NAIC Classification: 322100

Form 5500 Filing Information

Submission information for form 5500 for 401k plan PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
002 2022-01-01 MICHELLE WOJDYLA 2023-09-26
002 2021-01-01 MICHELLE WOJDYLA 2022-07-19
002 2020-01-01 MICHELLE WOJDYLA 2021-08-17
002 2020-01-01 MICHELLE WOJDYLA 2022-08-16
002 2019-01-01 MICHELLE WOJDYLA 2020-10-07
002 2019-01-01 MICHELLE WOJDYLA 2022-08-16
002 2018-01-01 MICHELLE WOJDYLA 2019-08-30
002 2018-01-01 MICHELLE WOJDYLA 2022-08-16
002 2017-01-01
002 2017-01-01
002 2017-01-01 MICHELLE WOJDYLA 2022-08-16
002 2016-01-01
002 2015-01-01
002 2014-01-01 MICHELLE WOJDYLA
002 2013-01-01 HALANE YOUNG
002 2012-01-01 HALANE YOUNG KENT PFLEDERER 2013-10-14
002 2011-01-01 SCOTT D. SELBE STEPHEN T CALHOUN 2012-10-12
002 2010-01-01 SCOTT D. SELBE STEPHEN T. CALHOUN 2011-09-30
002 2009-01-01 SCOTT D. SELBE STEPHEN T. CALHOUN 2010-10-14

Plan id#	Filing Submission Date	Name of Administrator	Date Administrator Signed	Name of Company Sponsor	Date Sponsor Signed
002	2022-01-01	MICHELLE WOJDYLA	2023-09-26
002	2021-01-01	MICHELLE WOJDYLA	2022-07-19
002	2020-01-01	MICHELLE WOJDYLA	2021-08-17
002	2020-01-01	MICHELLE WOJDYLA	2022-08-16
002	2019-01-01	MICHELLE WOJDYLA	2020-10-07
002	2019-01-01	MICHELLE WOJDYLA	2022-08-16
002	2018-01-01	MICHELLE WOJDYLA	2019-08-30
002	2018-01-01	MICHELLE WOJDYLA	2022-08-16
002	2017-01-01
002	2017-01-01
002	2017-01-01	MICHELLE WOJDYLA	2022-08-16
002	2016-01-01
002	2015-01-01
002	2014-01-01	MICHELLE WOJDYLA
002	2013-01-01	HALANE YOUNG
002	2012-01-01	HALANE YOUNG		KENT PFLEDERER	2013-10-14
002	2011-01-01	SCOTT D. SELBE		STEPHEN T CALHOUN	2012-10-12
002	2010-01-01	SCOTT D. SELBE		STEPHEN T. CALHOUN	2011-09-30
002	2009-01-01	SCOTT D. SELBE		STEPHEN T. CALHOUN	2010-10-14

Plan Statistics for PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES

401k plan membership statisitcs for PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES

Measure Date Value
2022: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2022 401k membership
Total participants, beginning-of-year 2022-01-01 5,864
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 4,458
Number of retired or separated participants receiving benefits 2022-01-01 0
Number of other retired or separated participants entitled to future benefits 2022-01-01 1,317
Total of all active and inactive participants 2022-01-01 5,775
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 23
Total participants 2022-01-01 5,798
Number of participants with account balances 2022-01-01 5,601
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 170
2021: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2021 401k membership
Total participants, beginning-of-year 2021-01-01 5,812
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 4,482
Number of retired or separated participants receiving benefits 2021-01-01 0
Number of other retired or separated participants entitled to future benefits 2021-01-01 1,220
Total of all active and inactive participants 2021-01-01 5,702
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 25
Total participants 2021-01-01 5,727
Number of participants with account balances 2021-01-01 5,439
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 161
2020: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2020 401k membership
Total participants, beginning-of-year 2020-01-01 5,772
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 4,487
Number of retired or separated participants receiving benefits 2020-01-01 0
Number of other retired or separated participants entitled to future benefits 2020-01-01 1,134
Total of all active and inactive participants 2020-01-01 5,621
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 21
Total participants 2020-01-01 5,642
Number of participants with account balances 2020-01-01 5,378
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 171
2019: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2019 401k membership
Total participants, beginning-of-year 2019-01-01 5,547
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 4,520
Number of retired or separated participants receiving benefits 2019-01-01 2
Number of other retired or separated participants entitled to future benefits 2019-01-01 1,056
Total of all active and inactive participants 2019-01-01 5,578
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 21
Total participants 2019-01-01 5,599
Number of participants with account balances 2019-01-01 5,259
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 146
2018: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2018 401k membership
Total participants, beginning-of-year 2018-01-01 5,773
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 4,786
Number of retired or separated participants receiving benefits 2018-01-01 4
Number of other retired or separated participants entitled to future benefits 2018-01-01 1,011
Total of all active and inactive participants 2018-01-01 5,801
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 20
Total participants 2018-01-01 5,821
Number of participants with account balances 2018-01-01 5,207
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 131
2017: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2017 401k membership
Total participants, beginning-of-year 2017-01-01 3,273
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 2,866
Number of retired or separated participants receiving benefits 2017-01-01 1
Number of other retired or separated participants entitled to future benefits 2017-01-01 504
Total of all active and inactive participants 2017-01-01 3,371
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 11
Total participants 2017-01-01 3,382
Number of participants with account balances 2017-01-01 3,199
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 145
2016: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2016 401k membership
Total participants, beginning-of-year 2016-01-01 3,477
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 3,273
Number of retired or separated participants receiving benefits 2016-01-01 0
Number of other retired or separated participants entitled to future benefits 2016-01-01 867
Total of all active and inactive participants 2016-01-01 4,140
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 13
Total participants 2016-01-01 4,153
Number of participants with account balances 2016-01-01 4,153
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 60
2015: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2015 401k membership
Total participants, beginning-of-year 2015-01-01 3,399
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 3,055
Number of retired or separated participants receiving benefits 2015-01-01 0
Number of other retired or separated participants entitled to future benefits 2015-01-01 321
Total of all active and inactive participants 2015-01-01 3,376
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 9
Total participants 2015-01-01 3,385
Number of participants with account balances 2015-01-01 2,873
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 61
2014: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2014 401k membership
Total participants, beginning-of-year 2014-01-01 2,911
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 2,750
Number of retired or separated participants receiving benefits 2014-01-01 0
Number of other retired or separated participants entitled to future benefits 2014-01-01 325
Total of all active and inactive participants 2014-01-01 3,075
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 9
Total participants 2014-01-01 3,084
Number of participants with account balances 2014-01-01 2,980
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 29
2013: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2013 401k membership
Total participants, beginning-of-year 2013-01-01 2,845
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 2,420
Number of retired or separated participants receiving benefits 2013-01-01 0
Number of other retired or separated participants entitled to future benefits 2013-01-01 329
Total of all active and inactive participants 2013-01-01 2,749
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 7
Total participants 2013-01-01 2,756
Number of participants with account balances 2013-01-01 2,551
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 28
2012: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2012 401k membership
Total participants, beginning-of-year 2012-01-01 2,807
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 2,382
Number of retired or separated participants receiving benefits 2012-01-01 0
Number of other retired or separated participants entitled to future benefits 2012-01-01 308
Total of all active and inactive participants 2012-01-01 2,690
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 5
Total participants 2012-01-01 2,695
Number of participants with account balances 2012-01-01 2,462
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 40
2011: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2011 401k membership
Total participants, beginning-of-year 2011-01-01 2,654
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 2,346
Number of retired or separated participants receiving benefits 2011-01-01 1
Number of other retired or separated participants entitled to future benefits 2011-01-01 270
Total of all active and inactive participants 2011-01-01 2,617
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 4
Total participants 2011-01-01 2,621
Number of participants with account balances 2011-01-01 2,569
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 37
2010: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2010 401k membership
Total participants, beginning-of-year 2010-01-01 2,576
Total number of active participants reported on line 7a of the Form 5500 2010-01-01 2,305
Number of retired or separated participants receiving benefits 2010-01-01 1
Number of other retired or separated participants entitled to future benefits 2010-01-01 246
Total of all active and inactive participants 2010-01-01 2,552
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2010-01-01 4
Total participants 2010-01-01 2,556
Number of participants with account balances 2010-01-01 2,507
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2010-01-01 40
2009: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2009 401k membership
Total participants, beginning-of-year 2009-01-01 2,551
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 2,274
Number of retired or separated participants receiving benefits 2009-01-01 1
Number of other retired or separated participants entitled to future benefits 2009-01-01 232
Total of all active and inactive participants 2009-01-01 2,507
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 4
Total participants 2009-01-01 2,511
Number of participants with account balances 2009-01-01 2,502
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 30

Measure	Date	Value
2022: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2022 401k membership
Total participants, beginning-of-year	2022-01-01	5,864
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	4,458
Number of retired or separated participants receiving benefits	2022-01-01	0
Number of other retired or separated participants entitled to future benefits	2022-01-01	1,317
Total of all active and inactive participants	2022-01-01	5,775
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	23
Total participants	2022-01-01	5,798
Number of participants with account balances	2022-01-01	5,601
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	170
2021: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2021 401k membership
Total participants, beginning-of-year	2021-01-01	5,812
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	4,482
Number of retired or separated participants receiving benefits	2021-01-01	0
Number of other retired or separated participants entitled to future benefits	2021-01-01	1,220
Total of all active and inactive participants	2021-01-01	5,702
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	25
Total participants	2021-01-01	5,727
Number of participants with account balances	2021-01-01	5,439
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	161
2020: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2020 401k membership
Total participants, beginning-of-year	2020-01-01	5,772
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	4,487
Number of retired or separated participants receiving benefits	2020-01-01	0
Number of other retired or separated participants entitled to future benefits	2020-01-01	1,134
Total of all active and inactive participants	2020-01-01	5,621
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	21
Total participants	2020-01-01	5,642
Number of participants with account balances	2020-01-01	5,378
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	171
2019: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2019 401k membership
Total participants, beginning-of-year	2019-01-01	5,547
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	4,520
Number of retired or separated participants receiving benefits	2019-01-01	2
Number of other retired or separated participants entitled to future benefits	2019-01-01	1,056
Total of all active and inactive participants	2019-01-01	5,578
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	21
Total participants	2019-01-01	5,599
Number of participants with account balances	2019-01-01	5,259
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	146
2018: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2018 401k membership
Total participants, beginning-of-year	2018-01-01	5,773
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	4,786
Number of retired or separated participants receiving benefits	2018-01-01	4
Number of other retired or separated participants entitled to future benefits	2018-01-01	1,011
Total of all active and inactive participants	2018-01-01	5,801
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	20
Total participants	2018-01-01	5,821
Number of participants with account balances	2018-01-01	5,207
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	131
2017: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2017 401k membership
Total participants, beginning-of-year	2017-01-01	3,273
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	2,866
Number of retired or separated participants receiving benefits	2017-01-01	1
Number of other retired or separated participants entitled to future benefits	2017-01-01	504
Total of all active and inactive participants	2017-01-01	3,371
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	11
Total participants	2017-01-01	3,382
Number of participants with account balances	2017-01-01	3,199
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	145
2016: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2016 401k membership
Total participants, beginning-of-year	2016-01-01	3,477
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	3,273
Number of retired or separated participants receiving benefits	2016-01-01	0
Number of other retired or separated participants entitled to future benefits	2016-01-01	867
Total of all active and inactive participants	2016-01-01	4,140
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	13
Total participants	2016-01-01	4,153
Number of participants with account balances	2016-01-01	4,153
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	60
2015: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2015 401k membership
Total participants, beginning-of-year	2015-01-01	3,399
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	3,055
Number of retired or separated participants receiving benefits	2015-01-01	0
Number of other retired or separated participants entitled to future benefits	2015-01-01	321
Total of all active and inactive participants	2015-01-01	3,376
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	9
Total participants	2015-01-01	3,385
Number of participants with account balances	2015-01-01	2,873
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	61
2014: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2014 401k membership
Total participants, beginning-of-year	2014-01-01	2,911
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	2,750
Number of retired or separated participants receiving benefits	2014-01-01	0
Number of other retired or separated participants entitled to future benefits	2014-01-01	325
Total of all active and inactive participants	2014-01-01	3,075
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	9
Total participants	2014-01-01	3,084
Number of participants with account balances	2014-01-01	2,980
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	29
2013: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2013 401k membership
Total participants, beginning-of-year	2013-01-01	2,845
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	2,420
Number of retired or separated participants receiving benefits	2013-01-01	0
Number of other retired or separated participants entitled to future benefits	2013-01-01	329
Total of all active and inactive participants	2013-01-01	2,749
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	7
Total participants	2013-01-01	2,756
Number of participants with account balances	2013-01-01	2,551
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	28
2012: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2012 401k membership
Total participants, beginning-of-year	2012-01-01	2,807
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	2,382
Number of retired or separated participants receiving benefits	2012-01-01	0
Number of other retired or separated participants entitled to future benefits	2012-01-01	308
Total of all active and inactive participants	2012-01-01	2,690
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	5
Total participants	2012-01-01	2,695
Number of participants with account balances	2012-01-01	2,462
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	40
2011: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2011 401k membership
Total participants, beginning-of-year	2011-01-01	2,654
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	2,346
Number of retired or separated participants receiving benefits	2011-01-01	1
Number of other retired or separated participants entitled to future benefits	2011-01-01	270
Total of all active and inactive participants	2011-01-01	2,617
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	4
Total participants	2011-01-01	2,621
Number of participants with account balances	2011-01-01	2,569
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	37
2010: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2010 401k membership
Total participants, beginning-of-year	2010-01-01	2,576
Total number of active participants reported on line 7a of the Form 5500	2010-01-01	2,305
Number of retired or separated participants receiving benefits	2010-01-01	1
Number of other retired or separated participants entitled to future benefits	2010-01-01	246
Total of all active and inactive participants	2010-01-01	2,552
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2010-01-01	4
Total participants	2010-01-01	2,556
Number of participants with account balances	2010-01-01	2,507
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2010-01-01	40
2009: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2009 401k membership
Total participants, beginning-of-year	2009-01-01	2,551
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	2,274
Number of retired or separated participants receiving benefits	2009-01-01	1
Number of other retired or separated participants entitled to future benefits	2009-01-01	232
Total of all active and inactive participants	2009-01-01	2,507
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	4
Total participants	2009-01-01	2,511
Number of participants with account balances	2009-01-01	2,502
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	30

Financial Data on PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES

Measure	Date	Value
2022 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2022 401k financial data
Total unrealized appreciation/depreciation of assets	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$486,050
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$498,403
Total income from all sources (including contributions)	2022-12-31	$-144,163,126
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$131,950,414
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$130,678,137
Expenses. Certain deemed distributions of participant loans	2022-12-31	$-22,734
Value of total corrective distributions	2022-12-31	$301
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$84,241,668
Value of total assets at end of year	2022-12-31	$1,181,544,962
Value of total assets at beginning of year	2022-12-31	$1,457,670,855
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$1,294,710
Total interest from all sources	2022-12-31	$483,222
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Administrative expenses professional fees incurred	2022-12-31	$824,249
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$43,830,333
Participant contributions at end of year	2022-12-31	$13,443,924
Participant contributions at beginning of year	2022-12-31	$13,871,346
Participant contributions at end of year	2022-12-31	$1,347,044
Participant contributions at beginning of year	2022-12-31	$1,353,308
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$4,789,938
Liabilities. Value of operating payables at end of year	2022-12-31	$191,024
Liabilities. Value of operating payables at beginning of year	2022-12-31	$243,403
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Value of net income/loss	2022-12-31	$-276,113,540
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$1,181,058,912
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$1,457,172,452
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Investment advisory and management fees	2022-12-31	$470,461
Interest on participant loans	2022-12-31	$483,222
Value of interest in master investment trust accounts at end of year	2022-12-31	$1,165,493,382
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$1,441,206,236
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
Contributions received in cash from employer	2022-12-31	$35,621,397
Employer contributions (assets) at end of year	2022-12-31	$1,260,612
Employer contributions (assets) at beginning of year	2022-12-31	$1,239,965
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$130,678,137
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$295,026
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$255,000
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	GRANT THORNTON
Accountancy firm EIN	2022-12-31	366055558
2021 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2021 401k financial data
Total unrealized appreciation/depreciation of assets	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$498,403
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$204,895
Total income from all sources (including contributions)	2021-12-31	$243,111,903
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$145,599,744
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$144,133,778
Expenses. Certain deemed distributions of participant loans	2021-12-31	$-5,290
Value of total corrective distributions	2021-12-31	$569
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$80,367,339
Value of total assets at end of year	2021-12-31	$1,457,670,855
Value of total assets at beginning of year	2021-12-31	$1,359,865,188
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$1,470,687
Total interest from all sources	2021-12-31	$557,398
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Administrative expenses professional fees incurred	2021-12-31	$1,069,132
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2021-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$42,468,863
Participant contributions at end of year	2021-12-31	$13,871,346
Participant contributions at beginning of year	2021-12-31	$14,395,195
Participant contributions at end of year	2021-12-31	$1,353,308
Participant contributions at beginning of year	2021-12-31	$1,338,621
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$3,810,407
Administrative expenses (other) incurred	2021-12-31	$361,580
Liabilities. Value of operating payables at end of year	2021-12-31	$243,403
Liabilities. Value of operating payables at beginning of year	2021-12-31	$145,261
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Value of net income/loss	2021-12-31	$97,512,159
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$1,457,172,452
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$1,359,660,293
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Investment advisory and management fees	2021-12-31	$39,975
Interest on participant loans	2021-12-31	$557,398
Value of interest in master investment trust accounts at end of year	2021-12-31	$1,441,206,236
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$1,342,911,078
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
Contributions received in cash from employer	2021-12-31	$34,088,069
Employer contributions (assets) at end of year	2021-12-31	$1,239,965
Employer contributions (assets) at beginning of year	2021-12-31	$1,220,294
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$144,133,778
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$255,000
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$59,634
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	GRANT THORNTON
Accountancy firm EIN	2021-12-31	366055558
2020 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2020 401k financial data
Total unrealized appreciation/depreciation of assets	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$204,895
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$196,469
Total income from all sources (including contributions)	2020-12-31	$323,886,783
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$107,834,505
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$106,620,509
Expenses. Certain deemed distributions of participant loans	2020-12-31	$-9,597
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$77,847,656
Value of total assets at end of year	2020-12-31	$1,359,865,188
Value of total assets at beginning of year	2020-12-31	$1,143,804,484
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$1,223,593
Total interest from all sources	2020-12-31	$635,122
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Administrative expenses professional fees incurred	2020-12-31	$1,223,593
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2020-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$41,208,679
Participant contributions at end of year	2020-12-31	$14,395,195
Participant contributions at beginning of year	2020-12-31	$15,168,685
Participant contributions at end of year	2020-12-31	$1,338,621
Participant contributions at beginning of year	2020-12-31	$1,288,377
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$3,277,663
Liabilities. Value of operating payables at end of year	2020-12-31	$145,261
Liabilities. Value of operating payables at beginning of year	2020-12-31	$191,014
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Value of net income/loss	2020-12-31	$216,052,278
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$1,359,660,293
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$1,143,608,015
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Interest on participant loans	2020-12-31	$635,122
Value of interest in master investment trust accounts at end of year	2020-12-31	$1,342,911,078
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$1,126,167,679
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	No
Contributions received in cash from employer	2020-12-31	$33,361,314
Employer contributions (assets) at end of year	2020-12-31	$1,220,294
Employer contributions (assets) at beginning of year	2020-12-31	$1,179,743
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$106,620,509
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$59,634
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$5,455
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Opinion of an independent qualified public accountant for this plan	2020-12-31	Unqualified
Accountancy firm name	2020-12-31	GRANT THORNTON
Accountancy firm EIN	2020-12-31	366055558
2019 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2019 401k financial data
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$196,469
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$346,938
Total income from all sources (including contributions)	2019-12-31	$297,989,338
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$91,889,171
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$90,885,499
Expenses. Certain deemed distributions of participant loans	2019-12-31	$15,491
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$74,518,703
Value of total assets at end of year	2019-12-31	$1,143,804,484
Value of total assets at beginning of year	2019-12-31	$937,854,786
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$988,181
Total interest from all sources	2019-12-31	$639,155
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Administrative expenses professional fees incurred	2019-12-31	$481,418
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2019-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$39,390,836
Participant contributions at end of year	2019-12-31	$15,168,685
Participant contributions at beginning of year	2019-12-31	$15,029,179
Participant contributions at end of year	2019-12-31	$1,288,377
Participant contributions at beginning of year	2019-12-31	$1,233,518
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$2,847,373
Administrative expenses (other) incurred	2019-12-31	$258,122
Liabilities. Value of operating payables at end of year	2019-12-31	$191,014
Liabilities. Value of operating payables at beginning of year	2019-12-31	$260,885
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Value of net income/loss	2019-12-31	$206,100,167
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$1,143,608,015
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$937,507,848
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Investment advisory and management fees	2019-12-31	$248,641
Interest on participant loans	2019-12-31	$639,155
Value of interest in master investment trust accounts at end of year	2019-12-31	$1,126,167,679
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$920,472,308
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Contributions received in cash from employer	2019-12-31	$32,280,494
Employer contributions (assets) at end of year	2019-12-31	$1,179,743
Employer contributions (assets) at beginning of year	2019-12-31	$1,119,781
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$90,885,499
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$5,455
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$86,053
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	No
Opinion of an independent qualified public accountant for this plan	2019-12-31	Unqualified
Accountancy firm name	2019-12-31	GRANT THORNTON
Accountancy firm EIN	2019-12-31	366055558
2018 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2018 401k financial data
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$346,938
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$742,188
Total income from all sources (including contributions)	2018-12-31	$-20,158,091
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$78,176,701
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$77,180,977
Expenses. Certain deemed distributions of participant loans	2018-12-31	$51,839
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$72,333,727
Value of total assets at end of year	2018-12-31	$937,854,786
Value of total assets at beginning of year	2018-12-31	$1,036,584,828
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$943,885
Total interest from all sources	2018-12-31	$556,334
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Administrative expenses professional fees incurred	2018-12-31	$664,879
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2018-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$37,483,589
Participant contributions at end of year	2018-12-31	$15,029,179
Participant contributions at beginning of year	2018-12-31	$14,831,290
Participant contributions at end of year	2018-12-31	$1,233,518
Participant contributions at beginning of year	2018-12-31	$1,153,360
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$4,250,608
Administrative expenses (other) incurred	2018-12-31	$133,871
Liabilities. Value of operating payables at end of year	2018-12-31	$260,885
Liabilities. Value of operating payables at beginning of year	2018-12-31	$184,403
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Value of net income/loss	2018-12-31	$-98,334,792
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$937,507,848
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$1,035,842,640
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Investment advisory and management fees	2018-12-31	$145,135
Interest on participant loans	2018-12-31	$556,334
Value of interest in master investment trust accounts at end of year	2018-12-31	$920,472,308
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$1,019,582,847
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	No
Contributions received in cash from employer	2018-12-31	$30,599,530
Employer contributions (assets) at end of year	2018-12-31	$1,119,781
Employer contributions (assets) at beginning of year	2018-12-31	$1,017,331
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$77,180,977
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$86,053
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$557,785
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	No
Opinion of an independent qualified public accountant for this plan	2018-12-31	Unqualified
Accountancy firm name	2018-12-31	KPMG LLP
Accountancy firm EIN	2018-12-31	135565207
2017 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2017 401k financial data
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
Total transfer of assets to this plan	2017-12-31	$302,401,658
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$742,188
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$108,595
Total income from all sources (including contributions)	2017-12-31	$248,166,298
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$71,313,512
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$70,064,761
Expenses. Certain deemed distributions of participant loans	2017-12-31	$41,387
Value of total corrective distributions	2017-12-31	$4,064
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$68,872,839
Value of total assets at end of year	2017-12-31	$1,036,584,828
Value of total assets at beginning of year	2017-12-31	$556,696,791
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$1,203,300
Total interest from all sources	2017-12-31	$481,413
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Administrative expenses professional fees incurred	2017-12-31	$785,839
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2017-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$34,163,964
Participant contributions at end of year	2017-12-31	$14,831,290
Participant contributions at beginning of year	2017-12-31	$8,549,634
Participant contributions at end of year	2017-12-31	$1,153,360
Participant contributions at beginning of year	2017-12-31	$758,986
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$7,042,368
Administrative expenses (other) incurred	2017-12-31	$417,461
Liabilities. Value of operating payables at end of year	2017-12-31	$184,403
Liabilities. Value of operating payables at beginning of year	2017-12-31	$38,778
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Value of net income/loss	2017-12-31	$176,852,786
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$1,035,842,640
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$556,588,196
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Interest on participant loans	2017-12-31	$481,413
Value of interest in master investment trust accounts at end of year	2017-12-31	$1,019,582,847
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$546,737,153
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	No
Contributions received in cash from employer	2017-12-31	$27,666,507
Employer contributions (assets) at end of year	2017-12-31	$1,017,331
Employer contributions (assets) at beginning of year	2017-12-31	$651,018
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$70,064,761
Contract administrator fees	2017-12-31	$548,809
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$557,785
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$69,817
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	No
Opinion of an independent qualified public accountant for this plan	2017-12-31	Unqualified
Accountancy firm name	2017-12-31	KPMG LLP
Accountancy firm EIN	2017-12-31	135565207
2016 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2016 401k financial data
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$108,595
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$32,152
Total income from all sources (including contributions)	2016-12-31	$113,958,059
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$39,163,865
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$39,163,865
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$41,787,094
Value of total assets at end of year	2016-12-31	$556,696,791
Value of total assets at beginning of year	2016-12-31	$481,826,154
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$0
Total interest from all sources	2016-12-31	$254,308
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$15,000,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2016-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$21,965,665
Participant contributions at end of year	2016-12-31	$8,549,634
Participant contributions at beginning of year	2016-12-31	$8,245,102
Participant contributions at end of year	2016-12-31	$758,986
Participant contributions at beginning of year	2016-12-31	$683,410
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$2,455,322
Liabilities. Value of operating payables at end of year	2016-12-31	$38,778
Liabilities. Value of operating payables at beginning of year	2016-12-31	$30,052
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Value of net income/loss	2016-12-31	$74,794,194
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$556,588,196
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$481,794,002
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Interest on participant loans	2016-12-31	$254,308
Value of interest in master investment trust accounts at end of year	2016-12-31	$546,737,153
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$472,311,328
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Contributions received in cash from employer	2016-12-31	$17,366,107
Employer contributions (assets) at end of year	2016-12-31	$651,018
Employer contributions (assets) at beginning of year	2016-12-31	$586,314
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$39,163,865
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$69,817
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$2,100
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	No
Opinion of an independent qualified public accountant for this plan	2016-12-31	Unqualified
Accountancy firm name	2016-12-31	KPMG LLP
Accountancy firm EIN	2016-12-31	135565207
2015 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2015 401k financial data
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$32,152
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$33,263
Total income from all sources (including contributions)	2015-12-31	$14,113,615
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$28,912,651
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$28,912,651
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$36,667,013
Value of total assets at end of year	2015-12-31	$481,826,154
Value of total assets at beginning of year	2015-12-31	$496,626,301
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$0
Total interest from all sources	2015-12-31	$199,613
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2015-12-31	Yes
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2015-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$19,217,603
Participant contributions at end of year	2015-12-31	$8,245,102
Participant contributions at beginning of year	2015-12-31	$6,229,153
Participant contributions at end of year	2015-12-31	$683,410
Participant contributions at beginning of year	2015-12-31	$622,798
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$1,687,113
Liabilities. Value of operating payables at end of year	2015-12-31	$30,052
Liabilities. Value of operating payables at beginning of year	2015-12-31	$31,159
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Value of net income/loss	2015-12-31	$-14,799,036
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$481,794,002
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$496,593,038
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Interest on participant loans	2015-12-31	$199,613
Value of interest in master investment trust accounts at end of year	2015-12-31	$472,311,328
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$489,449,307
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Contributions received in cash from employer	2015-12-31	$15,762,297
Employer contributions (assets) at end of year	2015-12-31	$586,314
Employer contributions (assets) at beginning of year	2015-12-31	$325,043
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$28,912,651
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	Yes
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$2,100
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$2,104
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	No
Opinion of an independent qualified public accountant for this plan	2015-12-31	Unqualified
Accountancy firm name	2015-12-31	KPMG LLP
Accountancy firm EIN	2015-12-31	135565207
2014 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2014 401k financial data
Total unrealized appreciation/depreciation of assets	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$33,263
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$453,724
Total income from all sources (including contributions)	2014-12-31	$87,812,280
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$34,711,581
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$34,711,581
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$33,067,529
Value of total assets at end of year	2014-12-31	$496,626,301
Value of total assets at beginning of year	2014-12-31	$443,946,063
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$0
Total interest from all sources	2014-12-31	$188,667
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2014-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$17,651,670
Participant contributions at end of year	2014-12-31	$6,229,153
Participant contributions at beginning of year	2014-12-31	$6,358,514
Participant contributions at end of year	2014-12-31	$622,798
Participant contributions at beginning of year	2014-12-31	$584,166
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$1,276,728
Liabilities. Value of operating payables at end of year	2014-12-31	$31,159
Liabilities. Value of operating payables at beginning of year	2014-12-31	$31,489
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Value of net income/loss	2014-12-31	$53,100,699
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$496,593,038
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$443,492,339
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Interest on participant loans	2014-12-31	$188,667
Value of interest in master investment trust accounts at end of year	2014-12-31	$489,449,307
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$436,692,167
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Contributions received in cash from employer	2014-12-31	$14,139,131
Employer contributions (assets) at end of year	2014-12-31	$325,043
Employer contributions (assets) at beginning of year	2014-12-31	$311,216
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$34,711,581
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$2,104
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$422,235
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	No
Opinion of an independent qualified public accountant for this plan	2014-12-31	Unqualified
Accountancy firm name	2014-12-31	KPMG LLP
Accountancy firm EIN	2014-12-31	135565207
2013 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2013 401k financial data
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$453,724
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$69,562
Total income from all sources (including contributions)	2013-12-31	$132,802,570
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$32,218,285
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$32,153,953
Expenses. Certain deemed distributions of participant loans	2013-12-31	$64,332
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$31,864,312
Value of total assets at end of year	2013-12-31	$443,946,063
Value of total assets at beginning of year	2013-12-31	$342,977,616
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$0
Total interest from all sources	2013-12-31	$189,261
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2013-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$16,531,726
Participant contributions at end of year	2013-12-31	$6,358,514
Participant contributions at beginning of year	2013-12-31	$6,187,037
Participant contributions at end of year	2013-12-31	$584,166
Participant contributions at beginning of year	2013-12-31	$561,626
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$2,311,394
Liabilities. Value of operating payables at end of year	2013-12-31	$31,489
Liabilities. Value of operating payables at beginning of year	2013-12-31	$29,673
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Value of net income/loss	2013-12-31	$100,584,285
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$443,492,339
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$342,908,054
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Interest on participant loans	2013-12-31	$189,261
Value of interest in master investment trust accounts at end of year	2013-12-31	$436,692,167
Value of interest in master investment trust accounts at beginning of year	2013-12-31	$335,935,465
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Contributions received in cash from employer	2013-12-31	$13,021,192
Employer contributions (assets) at end of year	2013-12-31	$311,216
Employer contributions (assets) at beginning of year	2013-12-31	$293,488
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$32,153,953
Liabilities. Value of benefit claims payable at end of year	2013-12-31	$422,235
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$39,889
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	No
Opinion of an independent qualified public accountant for this plan	2013-12-31	Unqualified
Accountancy firm name	2013-12-31	KPMG LLP
Accountancy firm EIN	2013-12-31	135565207
2012 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2012 401k financial data
Total unrealized appreciation/depreciation of assets	2012-12-31	$0
Total transfer of assets to this plan	2012-12-31	$746,578
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$69,562
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$83,251
Total income from all sources (including contributions)	2012-12-31	$86,274,744
Total loss/gain on sale of assets	2012-12-31	$0
Total of all expenses incurred	2012-12-31	$23,944,109
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$23,922,004
Expenses. Certain deemed distributions of participant loans	2012-12-31	$22,105
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$29,144,466
Value of total assets at end of year	2012-12-31	$342,977,616
Value of total assets at beginning of year	2012-12-31	$279,914,092
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$0
Total interest from all sources	2012-12-31	$181,321
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$15,743,898
Participant contributions at end of year	2012-12-31	$6,187,037
Participant contributions at beginning of year	2012-12-31	$5,773,729
Participant contributions at end of year	2012-12-31	$561,626
Participant contributions at beginning of year	2012-12-31	$522,335
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$1,651,198
Liabilities. Value of operating payables at end of year	2012-12-31	$29,673
Liabilities. Value of operating payables at beginning of year	2012-12-31	$28,990
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$62,330,635
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$342,908,054
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$279,830,841
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Interest on participant loans	2012-12-31	$181,321
Value of interest in master investment trust accounts at end of year	2012-12-31	$335,935,465
Value of interest in master investment trust accounts at beginning of year	2012-12-31	$273,177,682
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Contributions received in cash from employer	2012-12-31	$11,749,370
Employer contributions (assets) at end of year	2012-12-31	$293,488
Employer contributions (assets) at beginning of year	2012-12-31	$440,346
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$23,922,004
Liabilities. Value of benefit claims payable at end of year	2012-12-31	$39,889
Liabilities. Value of benefit claims payable at beginning of year	2012-12-31	$54,261
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	No
Opinion of an independent qualified public accountant for this plan	2012-12-31	Unqualified
Accountancy firm name	2012-12-31	ERNST & YOUNG LLP
Accountancy firm EIN	2012-12-31	346565596
2011 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2011 401k financial data
Total unrealized appreciation/depreciation of assets	2011-12-31	$0
Total transfer of assets to this plan	2011-12-31	$1,764,178
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$83,251
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$29,883
Total income from all sources (including contributions)	2011-12-31	$27,546,494
Total loss/gain on sale of assets	2011-12-31	$0
Total of all expenses incurred	2011-12-31	$19,395,135
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$19,371,221
Expenses. Certain deemed distributions of participant loans	2011-12-31	$23,914
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$26,877,963
Value of total assets at end of year	2011-12-31	$279,914,092
Value of total assets at beginning of year	2011-12-31	$269,945,187
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$0
Total interest from all sources	2011-12-31	$185,651
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$14,742,848
Participant contributions at end of year	2011-12-31	$5,773,729
Participant contributions at beginning of year	2011-12-31	$5,179,309
Participant contributions at end of year	2011-12-31	$522,335
Participant contributions at beginning of year	2011-12-31	$511,201
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$762,333
Liabilities. Value of operating payables at end of year	2011-12-31	$28,990
Liabilities. Value of operating payables at beginning of year	2011-12-31	$29,883
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$8,151,359
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$279,830,841
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$269,915,304
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Interest on participant loans	2011-12-31	$185,651
Value of interest in master investment trust accounts at end of year	2011-12-31	$273,177,682
Value of interest in master investment trust accounts at beginning of year	2011-12-31	$263,858,794
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Contributions received in cash from employer	2011-12-31	$11,372,782
Employer contributions (assets) at end of year	2011-12-31	$440,346
Employer contributions (assets) at beginning of year	2011-12-31	$395,883
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$19,371,221
Liabilities. Value of benefit claims payable at end of year	2011-12-31	$54,261
Liabilities. Value of benefit claims payable at beginning of year	2011-12-31	$0
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	No
Opinion of an independent qualified public accountant for this plan	2011-12-31	Unqualified
Accountancy firm name	2011-12-31	ERNST & YOUNG LLP
Accountancy firm EIN	2011-12-31	346565596
2010 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2010 401k financial data
Total unrealized appreciation/depreciation of assets	2010-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$29,883
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$30,406
Total income from all sources (including contributions)	2010-12-31	$55,923,689
Total loss/gain on sale of assets	2010-12-31	$0
Total of all expenses incurred	2010-12-31	$17,081,958
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$17,075,301
Expenses. Certain deemed distributions of participant loans	2010-12-31	$6,657
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$24,378,089
Value of total assets at end of year	2010-12-31	$269,945,187
Value of total assets at beginning of year	2010-12-31	$231,103,979
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$0
Total interest from all sources	2010-12-31	$209,079
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$0
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$13,566,859
Participant contributions at end of year	2010-12-31	$5,179,309
Participant contributions at beginning of year	2010-12-31	$4,892,800
Participant contributions at end of year	2010-12-31	$511,201
Participant contributions at beginning of year	2010-12-31	$474,021
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$773,895
Liabilities. Value of operating payables at end of year	2010-12-31	$29,883
Liabilities. Value of operating payables at beginning of year	2010-12-31	$29,653
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$38,841,731
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$269,915,304
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$231,073,573
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Interest on participant loans	2010-12-31	$209,079
Value of interest in master investment trust accounts at end of year	2010-12-31	$263,858,794
Value of interest in master investment trust accounts at beginning of year	2010-12-31	$225,367,635
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	No
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Contributions received in cash from employer	2010-12-31	$10,037,335
Employer contributions (assets) at end of year	2010-12-31	$395,883
Employer contributions (assets) at beginning of year	2010-12-31	$369,523
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$17,075,301
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2010-12-31	No
Liabilities. Value of benefit claims payable at end of year	2010-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2010-12-31	$753
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	No
Opinion of an independent qualified public accountant for this plan	2010-12-31	Unqualified
Accountancy firm name	2010-12-31	ERNEST & YOUNG LLP
Accountancy firm EIN	2010-12-31	346565596
2009 : PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES

2022: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	No
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	Yes
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	No
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan is a collectively bargained plan	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan is a collectively bargained plan	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2010: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2010 form 5500 responses
2010-01-01	Type of plan entity	Single employer plan
2010-01-01	Submission has been amended	No
2010-01-01	This submission is the final filing	No
2010-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2010-01-01	Plan is a collectively bargained plan	No
2010-01-01	Plan funding arrangement – Trust	Yes
2010-01-01	Plan benefit arrangement - Trust	Yes
2009: PACKAGING CORPORATION OF AMERICA RETIREMENT SAVINGS PLAN FOR SALARIED EMPLOYEES 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan is a collectively bargained plan	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	PACKAGING CORPORATION OF AMERICA
Employer identification number (EIN):	364277050
NAIC Classification:	322100