PÖYRY PLC Company Announcement 28 April 2009 at 9.30 a.m. INCREASE OF TOTAL NUMBER OF SHARES BASED ON SUBSCRIPTIONS WITH STOCK OPTIONS The 12 000 new shares subscribed with stock options 2004A and 2004B in April 2009 pursuant to the stock option programme 2004 of Pöyry PLC have been registered in the Trade Register on 28 April 2009. Following these subscriptions, the registered total number of authorised shares increased to 58 890 602. The new shares will be joined to the old shares and will be available for public trading on the main list of NASDAQ OMX Helsinki on 29 April 2008. The subscription period for stock options 2004A started on 1 March 2007 and will end on 31 March 2010. A total of 284 128 shares have been subscribed with stock options 2004A by 23 April 2009. The subscription period for stock options 2004B started on 1 March 2008 and will end on 31 March 2011. A total of 127 628 shares have been subscribed with stock options 2004B by 23 April 2009. The terms and conditions of stock options 2004 and further information on the stock option programme are available on the company's website www.poyry.com. PÖYRY PLC Heikki Malinen President and CEO Teuvo Salminen Deputy to President and CEO Additional information by: Anne Viitala, Executive Vice President, Legal and Risk Management, Pöyry PLC tel. +358 10 33 22811 www.poyry.com DISTRIBUTION: NASDAQ OMX Helsinki Major media