Stonesoft - Financial Calendar

Stonesoft Oyj :STONESOFT SHARE SUBSCRIPTIONS WITH STOCK OPTIONS

Stonesoft Corporation Stock Exchange Release December 30, 2011 at 11:00 a.m.

A total of 180 000 shares have been subscribed with Stonesoft Option Program
2008. The share subscriptions were based on the Option Program 2008A and 2008B
options. According to the terms of the Option Program 2008, the subscription
price per share was EUR 0.30.

After the increase the share capital is divided into 63 492 482 shares. The new
shares were admitted to trading on the NASDAQ OMX Stock Exchange Ltd together
with the existing shares as of December 27, 2011. The new shares will provide
the shareholders with full shareholder rights.

The Stonesoft Option Program 2008 is based on the resolutions of the Board of
Directors on May 6, 2008 and June 17, 2008, based on the authorization granted
by the Annual General Meeting on April 23, 2008. The terms of the program have
been published by a previous stock exchange release.

Stonesoft Corporation

Ilkka Hiidenheimo
Chief Executive Officer

For further information, please contact:
Mikael Nyberg
CFO
Tel. +358 9 476711

Distribution:
NASDAQ OMX Helsinki Ltd
www.stonesoft.com


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