SYSOPENDIGIA Plc STOCK EXCHANGE ANNOUNCEMENT 31 December 2007 ANNOUNCEMENT UNDER THE SECURITIES MARKET ACT, CHAPTER 2, SECTION 10 We hereby announce that SYSOPENDIGIA Plc has been notified, in accordance with Chapter 2, Section 10 of the Finnish Securities Market Act, of changes in the company's ownership: 1. Nordea Bank AB Nordea Bank AB (publ) has on December 28, 2007 informed SYSOPENDIGIA that deviating from announcement made by SYSOPENDIGIA on September 25, 2007 concerning the changes in the company's ownership, Nordea Bank AB has continued the forward contracts which would have become due on December 2007 and that the ownership share in SYSOPENDIGIA's shares and votes by its subsidiary Nordea Pankki Suomi Oyj is still over 1/20. Nordea Pankki Suomi Oyj owns now 1.180.233 shares of SYSOPENDIGIA and the ownership share of Nordea Pankki Suomi Oyj is at the moment 5.8%. Nordea Pankki Suomi Oyj has also 4,000 put options for SYSOPENDIGIA's shares. One put option entitles to sell 100 pcs of SYSOPENDIGIA's shares to a certain price by 15 February 2008. When the put options realise, the ownership share of Nordea Pankki Suomi Oyj in SYSOPENDIGIA's shares and votes shall decrease under 1/20. Nordea Pankki Suomi Oyj has also made forward contracts as communicated earlier. Now current forward contracts will become due in February 2008 being equal to 8,068 forwards (806,800 shares). After the forward contracts become due in February 2008, the ownership share of Nordea Pankki Suomi Oyj in SYSOPENDIGIA's shares and votes shall decrease under 1/20. Nordea Pankki Suomi Oyj has acquired the shares of SYSOPENDIGIA in relation to its market maker business. 2. Pekka Päivio Sivonen Pekka Päiviö Sivonen has informed SYSOPENDIGIA that he has continued the forward contracts which would have become due in December 2007. After the forward contracts become due the ownership share of Sivonen in SYSOPENDIGIA's shares and votes will increase over 1/5. Currently Pekka Sivonen owns 2,826,213 SYSOPENDIGIA Plc's shares. After the forward contracts, being equal to 2,256,800 shares, become due in 15 February 2008 the ownership share of Pekka Sivonen in SYSOPENDIGIA's shares and votes will increase to 5,083,013 shares corresponding to 24.97 % of SYSOPENDIGIA's shares and votes. The share capital of SYSOPENDIGIA Plc comprises in total EUR 2,035,950.00 and 20,359,500 shares. In Helsinki 31 December 2007 SYSOPENDIGIA Plc Tomi Merenheimo Vice President, Legal and IR FURTHER INFORMATION: Mr. Tomi Merenheimo, Vice President, Legal and IR, tel. +358 40 560 6101, e-mail: tomi.merenheimo@sysopendigia.com DISTRIBUTION OMX Nordic Exchange Helsinki Financial Supervision Authority