Mar 21, 2007. /Lesprom Network/. Rock-Tenn Company announced on March 16 a $40 per tonne price increase on all Millennium grades including Millennium Board(R), uncoated Millennium Board(R), DuraFrame(R), DuraFreeze(R) and DuraTote(TM). This increase will be effective with shipments on April 16, 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.