SSH Communications Security

Share Issue/Capital Change • Apr 28, 2009

Disclosure 269803

SSH Communications Security - Total number of voting rights and capital

SSH OPTION CERTIFICATES EXERCISED FOR SHARE SUBSCRIPTION

SSH COMMUNICATIONS SECURITY CORP STOCK EXCHANGE RELEASE APRIL 28, 2009 AT 10.00 A.M. SSH OPTION CERTIFICATES EXERCISED FOR SHARE SUBSCRIPTION According to the I/1999 option program, 650 shares were subscribed for using class E option certificates, 650 shares using class F option certificates, 650 shares using class G option certificates and 650 shares using class H option certificates. The subscription period for shares with I/1999 E option certificates started May 1, 2002, with I/1999 F option certificates November 1, 2002, with I/1999 G option certificates May 1, 2003 and with I/1999 H option certificates November 1, 2003. The issue of the I/1999 Stock Option Program was approved by Annual General Meeting of August 5, 1999. According to the I/2003 option program, 53.404 shares were subscribed for using class A option certificates, 43.182 shares using class B option certificates and 36.995 using class C option certificates. The subscription period for shares with I/2003 A option certificates started May 1, 2004, with I/2003 B option certificates May 1, 2005 and with I/2003 C option certificates started May 1, 2006. The issue of the I/2003 Stock Option Program was approved by the Annual General Meeting of April 29, 2003. The corresponding increase in the share capital, in total EUR 4.085,43 was registered in the Finnish Trade Register on April 28, 2009. As a result of the increase, the share capital of the company is EUR 863.653,47 and the total number of shares 28.788.449. The holders of the new shares are entitled to all shareholders' rights from the registration date April 28, 2009. The new shares will be listed by NASDAQ OMX Helsinki Ltd. together with the other shares approximately April 29, 2009. SSH COMMUNICATIONS SECURITY CORP Pekka Rauhala General Counsel Further information: Pekka Rauhala, General Counsel, telephone: +358 20 500 7522 Distribution: NASDAQ OMX Helsinki Ltd. Major Media www.ssh.com