Packaging Corp of America (PKG) shares December 2025 investor slide deck

Rhea-AI Filing Summary

Packaging Corporation of America announced that its Chairman and CEO, Mark W. Kowlzan, and its Executive Vice President and CFO, Kent A. Pflederer, will meet with analysts and investors on December 10 and 11, 2025. These meetings are intended to provide an update and discussion about the company using a formal slide presentation.

The company furnished the slide deck as Exhibit 99.1 to this report so that all investors can access the same information shared in the meetings. The material is provided under Regulation FD, meaning it is being made publicly available for fair disclosure rather than as part of the company’s audited financial filings.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

PACKAGING CORP OF AMERICA false 0000075677 0000075677 2025-12-10 2025-12-10

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): December 10, 2025

Packaging Corporation of America

(Exact name of registrant as specified in its charter)

Delaware		1-15399		36-4277050
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

1955 West Field Court, Lake Forest, Illinois 60045

(Address of Principal Executive Offices, including Zip Code)

(847) 482-3000

(Registrant’s Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2 (b) under the Exchange Act (17 CFR 240.14d-2 (b))

☐ Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 240.13e-4 (c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Securities registered pursuant to Section 12(b) of the Exchange Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock		PKG		New York Stock Exchange

Item 7.01. Regulation FD Disclosure

The following information, including the exhibit described below, shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

On December 10 and 11, 2025, Mark W. Kowlzan, PCA’s Chairman and Chief Executive Officer and Kent A. Pflederer, PCA’s Executive Vice President and Chief Financial Officer will conduct meetings with analysts and investors. The slides to be used are furnished herewith as Exhibit 99.1 and incorporated by reference into this Item 7.01.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1		Slide presentation to be dated December 10-11, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

PACKAGING CORPORATION OF AMERICA
By:		/s/ Kent A. Pflederer
		Executive Vice President and Chief Financial Officer

Date: December 10, 2025

FAQ

What did Packaging Corporation of America (PKG) announce in this 8-K?

Packaging Corporation of America reported that its Chairman and CEO, Mark W. Kowlzan, and Executive Vice President and CFO, Kent A. Pflederer, will hold meetings with analysts and investors on December 10–11, 2025, using a prepared slide presentation.

Who from PKG is participating in the analyst and investor meetings?

Mark W. Kowlzan, the company’s Chairman and Chief Executive Officer, and Kent A. Pflederer, Executive Vice President and Chief Financial Officer, will conduct the meetings with analysts and investors.

What is included as Exhibit 99.1 in this PKG 8-K filing?

Exhibit 99.1 contains a slide presentation dated December 10–11, 2025, which will be used by Packaging Corporation of America’s senior management in their meetings with analysts and investors.

Is the PKG slide presentation considered filed financial information?

No. The company states that the information, including Exhibit 99.1, is being furnished and is not deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or incorporated by reference into other Securities Act or Exchange Act filings unless specifically referenced.

Why does PKG furnish a slide presentation for analyst and investor meetings?

By furnishing the slide presentation as an exhibit, Packaging Corporation of America makes the same materials used in private meetings available to all investors, supporting broad and fair disclosure of the information discussed by management.

Which exchange lists Packaging Corporation of America’s common stock?

Packaging Corporation of America’s common stock is listed on the New York Stock Exchange under the trading symbol PKG.