Stonesoft Corporation Stock Exchange Announcement March 21, 2011 at 3:55 p.m. The Annual Report of Stonesoft Corporation for 2010 has been published in English and in Finnish. Both language versions are available in PDF format at the company website: www.stonesoft.com/en/investor_relations/financial_information/annual_reports/ Stonesoft Corporation Ilkka Hiidenheimo Chief Executive Officer For further information, please contact: CFO Mikael Nyberg, Stonesoft Corporation Tel. +358 9 47 67 11 Distribution: NASDAQ OMX Helsinki Ltd www.stonesoft.com [HUG#1498663]
STONESOFT'S ANNUAL REPORT 2010 IS PUBLISHED
| Source: Stonesoft