Stora Enso Oyj Stock Exchange Release 19 June 2007 at 12.00 GMT Stora Enso is investing to improve board quality and CTMP production at Fors Mill in Sweden Stora Enso will upgrade and modernise the two board machines (BM 2 and BM 3) and chemi-thermomechanical pulping (CTMP) plant 2 at its Fors Mill in Sweden to improve quality and pulp production. This project, costing a total of EUR 29 million, is scheduled to start in 2007 and be completed in January 2008 for BM 3 and the CTMP investment, and in January 2009 for BM 2. This investment will improve the quality of the board manufactured at the mill in order to meet customers' changing quality needs. It will moderately increase the mill's production capacity. Stora Enso is investing in packaging-derived fuel combustion at its Anjalankoski Mill in Finland Stora Enso is investing EUR 16.8 million to reduce energy costs by increasing packaging-derived fuel (PDF) and biofuel combustion capacity at its Anjalankoski Mill. The project, which is scheduled for completion in autumn 2008, will reduce dependence on fossil fuels and increase the utilisation of recovered materials and biofuels. PDF combustion capacity will be increased from 50 000 to 135 000 tonnes per year. The main investments will be in additional equipment for the existing power plant. Packaging for use as fuel at Anjalankoski Mill includes paperboard, wood and plastic packaging collected separately from small-scale businesses and wholesalers. Anjalankoski Mill has been utilising PDF since 1996. For further information, please contact: Hakan Moldén, Managing Director, Stora Enso Packaging Boards, Fors Mill, tel. +46 1046 350 64 Mikko Jokio, SVP, Stora Enso Publication Paper, tel. +358 2046 26450 Kari Vainio, EVP, Corporate Communications, tel. +44 7799 348 197 Keith B Russell, SVP, Investor Relations, tel. +44 7775 788 659 Previous press releases concerning Stora Enso's Fors Mill are available at www.storaenso.com/press - 26 October 2006: Stora Enso invests in its operations in Austria and Finland - 16 December 2005: Quality upgrade at Stora Enso's Fors Mill in Sweden www.storaenso.com www.storaenso.com/investors STORA ENSO OYJ p.p. Jussi Siitonen Anne Asmundi