Stora Enso Oyj Stock Exchange Announcement 5 December 2006 at 16:00 GMT Stora Enso Oyj was informed on 5 December 2006 that the shares in the Company held by the NWQ Investment Management Company had exceeded 5% of the paid-up share capital on 17 November 2006. With reference to Chapter 2, paragraph 9 of the Finnish Securities Markets Act, Stora Enso Oyj is reporting that as of 17 November 2006 the shareholding of NWQ Investment Management Company is as follows: +-------------------------------------------------------------------+ | NWQ Investment | | | % of | | Management Company | Number of shares | % of shares | votes | |--------------------------+------------------+-------------+-------| | R shares | 43 451 169 | 5.50 | 1.82 | +-------------------------------------------------------------------+ The holding of NWQ Investment Management Company has been calculated according to the share capital registered on 15 November 2006. For further information, please contact: Keith Russell, Senior Vice President, Investor Relations, tel. +44 7775 788 659 Ulla Paajanen-Sainio, Vice President, Investor Relations and Financial Communications, tel. +358 40 763 8767 www.storaenso.com www.storaenso.com/investors