Announcement pursuant to Securities Act Chapter 2, Section 10

F-Secure Corporation has been informed that the holding of Ilmarinen Mutual Pension Insurance Company in F-Secure has decreased below 5 % (1/20) and is currently 2,36%.

1. The company: F-Secure Corporation

2. The date of change in holding: January 17, 2014

3. Exact proportion of voting rights and share capital in F-Secure Corporation: Totally 3,742,031 shares, 2.36% of share capital and voting rights.

4. Shareholder's name and register number: Ilmarinen Mutual Pension Insurance Company Limited, register number: 0107638-1.


F-Secure Oyj


Taneli Virtanen
CFO
tel. +358 40 752 0655

Gia Forsman-Härkönen
IR Manager
tel. +358 50 324 3078