Stora Enso Oyj - Company Announcement

Stora Enso is upgrading board quality at its Imatra mills

Stora Enso Oyj Stock Exchange Release 4 July 2007 at 12.00 GMT

Stora Enso is investing EUR 15 million to upgrade board manufacturing
at its Imatra mills in Finland to meet customers' developing quality
requirements. The project is scheduled to start in July 2007 and be
completed in September 2008. As a consequence of this quality-driven
investment, the annual production capacity of board machine 5 will
increase from 240 000 to 250 000 tonnes of liquid packaging board
(LPB)."We are very pleased to announce this investment, which demonstrates
Stora Enso's unceasing commitment to quality improvement. This
investment will secure Imatra's long-term competitiveness in liquid
packaging board and enable the mill to satisfy its customers'
increasing quality demands", says Anders Harbäck, Vice President of
Liquid Packaging Boards Ambient.

Stora Enso's Imatra mills, which have a total annual production
capacity of 1.1 million tonnes, produce packaging board, graphical
board and paper. Liquid packaging boards are manufactured for all the
main types of liquid packaging. End uses of Stora Enso LPB include a
great variety of food products such as milk, soup, spices, water,
yoghurt and juice, as well as various non-food products such as
liquid detergents and fabric softeners.

For further information, please contact:
Anders Harbäck, VP, Liquid Packaging Boards Ambient, tel. +46 1046
54045
Kari Vainio, EVP, Corporate Communications, tel. +44 7799 348 197
Keith Russell, SVP, Investor Relations, tel. +44 7775 788 659
Ulla Paajanen-Sainio, Vice President, Investor Relations and
Financial Communications,
tel. +358 2046 21242

www.storaenso.com
www.storaenso.com/investors

STORA ENSO OYJ



p.p.      Jussi Siitonen                Leena Bergqvist