PÖYRY PLC Press release 4 June 2009 at 10.15 a.m. PÖYRY HAS CONCLUDED ACQUISITION OF PÖYRY EVATA OY Pöyry PLC has signed an agreement to acquire the minority share 30 per cent of Pöyry Evata Oy (bef. Evata Worldwide Oy) a Finnish architectural design and real estate consulting firm. At the same time Pöyry has concluded the acquisition of Pöyry Evata Oy by acquiring 100 per cent of the shares and votes in the company. Pöyry published a press release concerning the acquisition of 70 per cent of the share capital and votes in Pöyry Evata Oy on 27 June 2007. The release includes detailed information on the business and finances of Pöyry Evata Oy. Pöyry is a global expert in consulting and engineering. We offer our clients in-depth industry expertise, innovative solutions and lifecycle engagement. Our knowledge extends across hydropower, oil and gas, power and heat, renewable energy, pulp and paper industry, chemical process industry, transportation, water and environment, and construction services. We have about 7500 experts at our service in 49 countries. PÖYRY PLC Satu Perälampi Vice President, Corporate Communications and IR Additional information by: Ari Asikainen, Executive Vice President, Construction Services Business Group, Pöyry PLC tel. +358 10 33 24476 www.poyry.com DISTRIBUTION: Major media This announcement was originally distributed by Hugin. The issuer is solely responsible for the content of this announcement.