Stonesoft - Major shareholder announcements

Notice Pursuant To The Securities Market Act, Chapter 2, Section 10

Stonesoft Corporation Stock Exchange Announcement November 23, 2007

Notice Pursuant To The Securities Market Act, Chapter 2, Section 10

Stonesoft has received a notice from Nordea Bank AB (PUBL) (Business
ID code 516406-0120), that its Finnish subsidiary Nordea Pankki Suomi
Oyj (Business ID code 1680235-8) has sold 500,000 shares of Stonesoft
Corporation on November 22, 2007. Nordea Pankki Suomi Oyj's ownership
in Stonesoft Corporation has decreased below 1/20. The number of
shares owned by Nordea Pankki Suomi Oyj is 2.373.900 representing
4,14% of the share capital and voting rights of Stonesoft
Corporation.

Stonesoft Corporation

Mikael Nyberg
CFO

DISTRIBUTION:   Helsinki Stock Exchange
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