PÖYRY PLC Company Announcement 18 October 2010 at 5:00 p.m. Pöyry PLC's Q3 interim result will be published 28 October 2010 at 8:30 a.m. Finnish time. News conferences will be held as follows: - A conference for analysts, investors and press in Finnish will be arranged at 12 p.m. Finnish time at Restaurant Savoy, Eteläesplanadi 14, Helsinki, Finland. - An international conference call and webcast in English will begin at 5:00 p.m. Finnish time (EET). 10:00 a.m. US EDT (New York) 3:00 p.m. GMT (London) 4:00 p.m. CET (Paris) 5:00 p.m. EET (Helsinki) The webcast may be followed online on the company's website www.poyry.com. A replay can be viewed on the same site the following day. To attend the conference call please dial US: +1 334 323 6201 Other countries: +44 20 7162 0025 Conference id: 877457 Due to the live webcast, we kindly ask those attending the international conference call and webcast to dial in 5 minutes prior to the start of the event. Additional information by: Peggy Hagberg, Executive Assistant + 358 (0)10 33 22 629 Pöyry PLC Pöyry is a global consulting and engineering company dedicated to balanced sustainability. We offer our clients integrated management consulting, total solutions for complex projects and efficient, best-in-class design and supervision. Our in-depth expertise extends to the fields of energy, industry, urban & mobility and water & environment. Pöyry has 7000 experts operating in about 50 countries, locally and globally. Pöyry's net sales in 2009 were EUR 674 million and the company's shares are quoted on NASDAQ OMX Helsinki (Pöyry PLC: POY1V). DISTRIBUTION: NASDAQ OMX Helsinki Major media www.poyry.com [HUG#1452719]