VAAHTO GROUP PLC OYJ STOCK EXCHANGE RELEASE 4.5.2009 at 11.00 THE MERGER OF VAAHTO ROLL SERVICE OY WITH VAAHTO LTD IMPLEMENTED Vaahto Group has implemented a merger of two subsidiaries of Vaahto Pulp & Paper Machinery business unit. The merger of Vaahto Roll Service Oy with Vaahto Ltd without merger contribution has been entered into the Trade Register on April 30, 2009. Both companies are wholly owned subsidiaries of parent company Vaahto Group Plc Oyj. The merger will simplify the Group's structure, diminish expenses, and further develop the operations of the Vaahto Pulp & Paper Machinery division. Vaahto Pulp & Paper Machinery is part of Vaahto Group, which is a globally operating high technology company serving process industry in the fields of pulp and paper machinery and process machinery. Lahti, May 4, 2009 VAAHTO GROUP PLC OYJ Anssi Klinga CEO Information: Anssi Klinga CEO, Vaahto Group Plc Oyj Tel. +358 50 466 1470