STONESOFT'S FINANCIAL REPORTS IN 2010

STONESOFT CORPORATION STOCK EXCHANGE ANNOUNCEMENT 29 DECEMBER 2009 AT 3.00 p.m.

STONESOFT'S FINANCIAL REPORTS IN 2010

Stonesoft Corporation will release the following financial reports
in 2010:

- February 18, 2010 at 9.15 a.m. Financial Statements 2009
- April 22, 2010 at 9.15 a.m. Interim report January-March 2010
- August 13, 2010 at 9.15 a.m. Interim report January-June 2010
- October 22, 2010 at 9.15 a.m. Interim report January-September 2010

Press conferences for the media, analysts and investors will be held at
Stonesoft main office in Helsinki, Itälahdenkatu 22 A on

- February 18, 2010 at 10.30 a.m. Financial Statements 2009
- April 22, 2010 at 10.30 a.m. Interim Report January-March 2010
- August 13, 2010 at 10.30 a.m. Interim Report January-June 2010
- October 22, 2010 at 10.30 a.m. Interim Report January-September 2010


The Annual General Meeting of the Shareholders of Stonesoft Corporation will be
held on April 22, 2010 at 3.00 p.m.

Stonesoft Corporation

Ilkka Hiidenheimo
CEO

More information:

Ilkka Hiidenheimo, CEO
Tel.+358(0)9 476 711
Email: ilkka.hiidenheimo@stonesoft.com

Distribution:
NASDAQ OMX Helsinki Ltd
www.stonesoft.com



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