Stock exchange release F-Secure Corporation 8.10.2008 at 9.00 am The shareholders of F-Secure Corporation are invited to the Extraordinary General Meeting of Shareholders to be held on Tuesday, October 28, 2008, starting at 17.00 Finnish time at F-Secure Corporation, Tammasaarenkatu 7 (Ruoholahti), 00180 Helsinki, Finland. Participants are kindly requested to arrive by 16.45 hours. The proposals of the Board of Directors to the Extraordinary General Meeting: 1. Decision to return equity from the Company's invested unrestricted equity and on the consequent changes affecting to the subscription price of the Company's existing option programs. The Board of Directors proposes to the Extraordinary General Meeting that assets from the invested unrestricted equity fund will be distributed to shareholders EUR 0.23 per share. The Board of Directors proposes that amount of the distribution would be in total EUR 35,719,370.76 for all outstanding shares, altogether 155,301,612 shares. The Board of Directors proposes that the EUR 0.23 per share would be paid to those shareholders that on the record date October 31, 2008 are registered in the Register of Shareholders held by the Finnish Central Securities Depository Ltd. and the payment date would be November 7, 2008. The Board of Directors shall have the right to decide on other matters relating to the returning of equity. Relating to this, the Board of Directors proposes to the Extraordinary General Meeting that the subscription price of the stock options, which can be subscribed and which belong to the option programs 2002 and 2005, would be lowered at an amount, which equates the returning of assets, i.e. EUR 0.23 per stock option. Documents The Board's proposals to this General Meeting with attachment documents are available to the public latest from October 21, 2008, on the Company homepage www.f-secure.com/investor_relations. Copies of the documents will be mailed to shareholders upon request. Please forward your request via to the contact information below. Right to participation A shareholder who, no later than October 17, 2008, has been noted as a shareholder in the list of shareholders maintained by Finnish Central Securities Depository Ltd, is entitled to participate in the Extraordinary General Meeting. Registration To be permitted to participate in the shareholders' meeting, a shareholder must register for it no later than October 20, 2008, at 16.00 Finnish Time. Registration may take place by phone +358 9 2520 4800 (during office hours), by e-mail agm@f-secure.com, by mail F-Secure Corporation/ Vastaanotto, PL 24, 00181 Helsinki, or personally at the Company's headquarters, Tammasaarenkatu 7 (Ruoholahti), Helsinki, Finland. The registration must arrive at the Company at the addresses above before the end of the registration period. For those representing a shareholder, a Power of Attorney is requested at the time of registration. Helsinki, October 7, 2008 F-Secure Corporation Board of Directors Additional information: F-Secure Corporation Kimmo Alkio, President and CEO tel.+358 9 2520 0700 Taneli Virtanen, CFO tel.+358 9 2520 5655 Mervi Pohjoisaho, IR tel.+358 40 535 8989