Investor Relations

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Company Headquarters

Packaging Corporation of America
1955 W. Field Court
Lake Forest, IL 60045
(847) 482-3000


Stock Exchange

Symbol: PKG
New York Stock Exchange


Transfer Agent and Registrar

Computershare Trust Company N.A.
P.O. Box 43069
Providence, RI 02940-3069
(877) 282-1168 (Toll free)
(816) 843-4299 (Outside North America)


Independent Auditors

Ernst & Young, LLP
Chicago, IL


Information Request

Barb Sessions
PCA Investor Relations
(877) 454-2509