International Paper has announced $60/ton domestic linerboard and medium price increase.  Packaging Corporation of America has announced a $70/ton increase.  Cascades has announced increases of $60/ton for linerboard and $70/ton for medium. Greif has announced a $50/ton increase for all grades of uncoated recycled paperboard, a $70/ton increase on recycled and semi-chemical medium, and a $60/ton increase on recycled linerboard.

All increases are effective at the beginning of March.