Stock Exchange Release STONESOFT'S ANNUAL REPORT 2011 HAS BEEN PUBLISHED

Stonesoft Corporation Stock Exchange Release March 30, 2012 at 2:00 p.m.

Stonesoft Corporation's Annual Report 2011 has been published in PDF format. The Annual Report is available in English and Finnish at the company's website http://www.stonesoft.com/Investor Relations.

The Annual Report includes the Board of Directors' Report, the Financial Statements, the Auditor's Report and the Corporate Governance Statement.

Stonesoft's Corporate Governance Statement 2011 is also available separately at the company's website www.stonesoft.com/Investor Relations/Corporate Governance.

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

Fri Mar 30 11:27:00 EEST 2012

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This press release was issued by Stonesoft Oyj and was initially posted at http://www.stonesoft.com/en/press_and_media/releases/en/2012/30032012.html?uri=/en/investor_relation s/financial_information/stock_exchange_releases/index.html . It was distributed, unedited and unaltered, by noodls on 2012-03-30 14:22:14 PM. The issuer is solely responsible for the accuracy of the information contained therein.