Exhibit 23.1
KPMG LLP Aon Center Suite 5500 200 E. Randolph Street Chicago, IL 60601-6436 |
Consent of Independent Registered Public Accounting Firm
We consent to the use of our report dated February 29, 2024, with respect to the consolidated financial statements of Packaging Corporation of America and subsidiaries, and the effectiveness of internal control over financial reporting, incorporated herein by reference.
Chicago, Illinois
May 8, 2024
KPMG LLP, a Delaware limited liability partnership and a member firm of
the KPMG global organization of independent member firms affiliated with
KPMG International Limited, a private English company limited by guarantee.