STONESOFT'S FINANCIAL REPORTS IN 2009

STONESOFT CORPORATION STOCK EXCHANGE ANNOUNCEMENT 17 DECEMBER 2008 AT
11.30 a.m.

STONESOFT'S FINANCIAL REPORTS IN 2009

Stonesoft Corporation will release the following financial reports
in 2009:

- February 13, 2009 Financial Statements 2008
- April 22, 2009 Interim report January-March 2009
- August 14, 2009 Interim report January-June 2009
- October 23, 2009 Interim report January-September 2009

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

- February 13, 2009 at 10.30 a.m. Financial Statements 2008
- April 22, 2009 at 10.30 a.m. Interim Report January-March 2009
- August 14, 2009 at 10.30 a.m. Interim Report January-June 2009
- October 23, 2009 at 10.30 a.m. Interim Report January-September
2009

The Annual General Meeting of the Shareholders of Stonesoft
Corporation will be held on March 26, 2009 at 3.00 p.m.

Stonesoft Corporation

Ilkka Hiidenheimo
CEO

More information:

Ilkka Hiidenheimo, CEO
Tel. (09) 476 711
Email: ilkka.hiidenheimo@stonesoft.com

Mikael Nyberg, CFO
Tel. (09) 476 711
Email: mikael.nyberg@stonesoft.com

Distribution:
NASDAQ OMX Helsinki Ltd
www.stonesoft.com