Myllykoski's price increase, which was announced Thursday morning, will come into effect April 1. The increase is 40 Euros per ton in all publication paper grades."The raw material costs, especially pulp and other fibers, have rapidly risen during this year, effecting the company to take this step to rectify the current situation. At the same time the demand situation has clearly improved in all publication paper grades," says Henrik Björnberg, Executive Vice President, Marketing & Business Development.