Stonesoft - Company Announcement

STONESOFT'S CAPITAL MARKETS DAY CANCELLED

Stonesoft Corporation Stock Exchange Release May 7, 2013 at 11.00 am

STONESOFT'S CAPITAL MARKETS DAY CANCELLED

Stonesoft Corporation has previously announced it will host a Capital Markets
Day event for financial analysts, media, investors and portfolio managers on
Wednesday, May 22, 2013. The event has been cancelled because of the public
tender offer which was made by McAfee to purchase all shares and option rights
of Stonesoft Corporation.

Stonesoft Corporation
Ilkka Hiidenheimo
CEO

For additional information, please contact:
Ilkka Hiidenheimo, CEO, Stonesoft Corporation
Tel. +358 9 476 711
E-mail: ilkka.hiidenheimo@stonesoft.com

Distribution:
NASDAQ OMX Helsinki Ltd
www.stonesoft.com


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