STORA ENSO OYJ STOCK EXCHANGE RELEASE 15 September 2008 at 06.00 GMT During the 1-31 August 2008 conversion period there was one conversion and a total of 2 358 A shares were converted into R shares. The shares were recorded in the Finnish trade register today, 15 September 2008, and trading in the new R shares will start on 16 September 2008. Breakdown of shares after conversion: A shares 177 152 531 R shares 612 385 968 Total 789 538 499 Each A share and each ten R shares carry one vote. The total amount of votes after conversion is 238 391 128. For further information, please contact: Ulla Paajanen-Sainio, Vice President, Investor Relations and Financial Communications, tel. +358 40 763 8767 www.storaenso.com www.storaenso.com/investors STORA ENSO OYJ pp. Jussi Siitonen Jukka Marttila