Stonesoft - Company Announcement

Stonesoft share subscriptions with options and increase in share capital

Stonesoft Corporation Stock Exchange Release October 28, 2010 at 1:00 p.m.

A total of 3750 shares have been subscribed with Stonesoft Option Programs.
The share subscriptions were based on the Option Program 2004A.
According to the terms of the Option Programs, the subscription price per
share was EUR 0.56 (Option Program 2004).

The corresponding share capital increase of EUR 75.00 has been entered in the
Finnish Trade Register on October 6, 2010. After the increase, the share
capital of Stonesoft Corporation is EUR 1 148 004.64 in total. The share capital
is divided into 63 143 982 shares. The 3 750 new shares were admitted to trading
on October 7, 2010 together with the existing shares. The new shares will
provide the shareholders with full shareholder rights.

The Stonesoft Option Program 2004 is based on the resolutions of the Annual
General Meeting on November 24, 2004. The terms of the two programs have been
published previously as stock exchange releases.


Stonesoft Corporation

Ilkka Hiidenheimo
Chief Executive Officer

For further information, please contact:
CFO Mikael Nyberg, Stonesoft Corporation
Tel. +358 9 4767 11

Distribution:
NASDAQ OMX Helsinki Ltd
www.stonesoft.com



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