Mar 15, 2007. /Lesprom Network/. Rock-Tenn Company announced on March 14 a $50 per tonne price increase on all grades of coated and uncoated recycled paperboard. The price increases will become effective with shipments on April 9, 2007. Rock-Tenn Company provides a wide range of marketing and packaging solutions to consumer products companies at low costs, with annual net sales of approximately $2.1 billion and operating locations in the United States, Canada, Mexico, Argentina and Chile. The company is one of North America's leading manufacturers of packaging products, merchandising displays and bleached and recycled paperboard.