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STOCK EXCHANGE RELEASE 4 Jun 2001

ANNOUNCEMENT IN ACCORDANCE WITH SECTION 10, CHAPTER 2 OF THE SECURITIES MARKET ACT

JAAKKO PÖYRY GROUP OYJ     Stock Exchange Notice
                           June 4, 2001 at 2.30 p.m.

ANNOUNCEMENT IN ACCORDANCE WITH SECTION 10, CHAPTER 2 OF THE
SECURITIES MARKET ACT

We have been informed that Corbis S.A.'s, Brussels, Belgium,
relative share holding in Jaakko Pöyry Group Oyj has decreased
from 25.14 per cent to 24.90 per cent. The duty to disclose the
change in reportable holdings emerged due to an increase of
share capital in Jaakko Pöyry Group Oyj on May 9, 2001 following
upon subscription of Warrants pursuant to the company's Bond
Loan with Warrants. The number of shares in Jaakko Pöyry Group
Oyj held by Corbis S.A., i.e. 3 455 890 shares, has remained
unchanged.

JAAKKO PÖYRY GROUP OYJ



Erkki Pehu-Lehtonen                 Teuvo Salminen
President and CEO                   Executive Vice President

Additional information by:
Wilhelm Rosenlew, Senior Counsel, Jaakko Pöyry Group Oyj
Tel. +358 9 8947 2030

www.poyry.com

DISTRIBUTION:
Helsinki Exchanges
Major media