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STOCK EXCHANGE RELEASE 15 Apr 2005

NOTICE PURSUANT TO FINNISH SECURITIES ACT 2:10; COLUMBIA WANGER ASSET MANAGEMENT L.P.'S SHAREHOLDINGS IN JAAKKO PÖYRY GROUP OYJ

JAAKKO PÖYRY GROUP OYJ     Stock Exchange Announcement
                           April 15, 2005 at 10.15 a.m.

NOTICE PURSUANT TO FINNISH SECURITIES ACT 2:10; COLUMBIA WANGER ASSET
MANAGEMENT L.P.'S SHAREHOLDINGS IN JAAKKO PÖYRY GROUP OYJ

Jaakko Pöyry Group Oyj has been informed on April 15, 2005 that as a
result of transactions concluded on May 31, 2004 the total holding of
funds under management of Columbia Wanger Asset Management L.P. have
increased to above 1/20 of the share capital and voting rights in Jaakko
Pöyry Group Oyj.

The holdings of funds under management of Columbia Wanger Asset
Management L.P., 227 West Monroe, Suite 3000, Chicago, IL 60606, USA, US
Federal Tax ID Number 04-3519872, amount to 772 000 shares, i.e. 5.47
per cent of the voting rights in Jaakko Pöyry Group Oyj.

The registered share capital of Jaakko Pöyry Group Oyj comprises a total
of 14 116 251 shares entitling to a total of 14 116 251 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:
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