Courier Confirms Receipt of Unsolicited Proposal from RR Donnelley & Sons Company

Courier Corporation, one of America's leading innovators in book manufacturing, publishing and content management, announced today that it has received a non-binding, unsolicited proposal from RR Donnelley & Sons Company to acquire the company for $23.00 per share in cash or RR Donnelley common stock, subject to proration in the event that shareholders elect to receive more than approximately 49 percent cash or more than approximately 51 percent stock. The RR Donnelley proposal is subject to, among other things, various closing conditions, Courier shareholder approval and regulatory approvals.