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STOCK EXCHANGE RELEASE 3 Feb 2004

NOTICE PURSUANT TO FINNISH SECURITIES MARKETS ACT 2:10; GRANTHAM, MAYO, VAN OTTERLOO & CO.'S SHAREHOLDINGS IN JAAKKO PÖYRY GROUP OYJ

JAAKKO PÖYRY GROUP OYJ     Stock Exchange Notice
                           February 3, 2004 at 11.30 a.m.

NOTICE PURSUANT TO FINNISH SECURITIES MARKETS ACT 2:10; GRANTHAM, MAYO,
VAN OTTERLOO & CO.'S SHAREHOLDINGS IN JAAKKO PÖYRY GROUP OYJ

Jaakko Pöyry Group Oyj has been informed on February 3, 2004 that as a
result of transactions concluded on January 30, 2004 the total holdings
of funds under the management of Grantham, Mayo, Van Otterloo & Co. LLC
have increased to above 1/20 of the share capital in Jaakko Pöyry Group
Oyj.

The holding of funds under the management of Grantham, Mayo, Van
Otterloo & Co. LLC, 40 Rowes Wharf, Boston, MA 02210, USA, amount to
700 974 shares, i.e. 5.02 per cent of voting rights in Jaakko Pöyry
Group Oyj.

The registered share capital of Jaakko Pöyry Group Oyj comprises a total
of 13 966 901 shares entitling to a total of 13 966 901 votes.

JAAKKO PÖYRY GROUP OYJ


Erkki Pehu-Lehtonen                 Teuvo Salminen
President and CEO                   Deputy to President and CEO


Additional information by:
Satu Perälampi, Investor Relations Manager, Jaakko Pöyry Group Oyj
Tel. +358 9 8947 3002, +358 40 526 3388

www.poyry.com


DISTRIBUTION:
Helsinki Exchanges
Major media