Mayer Brown is representing Packaging Corporation of America, the fourth largest producer of containerboard and corrugated packaging products in the United States, on its definitive agreement to acquire all of the outstanding common shares of Boise Inc. for $12.55 per share in cash, for an aggregate transaction value of $1.995 billion, inclusive of $714 million of outstanding indebtedness of Boise. The transaction is expected to close in the fourth quarter of 2013, subject to regulatory and other approvals.

The Mayer Brown team advising on the transaction is led by Chicago-based Corporate & Securities partners Paul Crimmins, Andrew Noreuil and John Sagan and includes lawyers from the firm’s Chicago, New York, Paris and Washington DC offices and its Antitrust & Competition, Banking & Finance, Corporate & Securities, Employment & Benefits, IP, Litigation & Dispute Resolution, and Tax Transactions & Consulting practices.