Jun 03, 2005. /Lesprom Network/. Rock-Tenn Company's paperboard division will raise prices $35 per ton on all grades of uncoated recycled paperboard effective with shipments on June 21, 2005. The division's sales force will contact its customers regarding the price increase. Rock-Tenn Company provides marketing and packaging solutions to consumer products companies at low costs and has annual net sales of $1.6 billion and over 80 operating locations in the United States, Canada, Mexico and Chile.