SAMPO PLC STOCK EXCHANGE RELEASE 23 October 2008 at 9.20am DISCLOSURE UNDER CHAPTER 2 SECTION 9 OF THE SECURITIES MARKET ACT Sampo plc (business code 01422113-3) has on 22 October received the following disclosure in accordance with Chapter 2 Section 9 of the Securities Market Act regarding Sampo plc's shares. The State of Finland and Solidium Oy (Business ID 0866693-1) announce an arrangement that, if completed, will lead to a situation in which the portions of holdings of the State of Finland will decrease below and the portions of holdings of Solidium Oy will increase above the thresholds as intended in Chapter 2, Section 9 of the Securities Markets Act in Sampo. SAMPO PLC Jarmo Salonen Head of Investor Relations and Group Communication tel. +358 10 516 0030 Distribution: NASDAQ OMX Helsinki The principal media Financial Supervision Insurance Supervisory Authority www.sampo.com DISCLOSURE To those listed under ‘Distribution' DISCLOSURE UNDER CHAPTER 2 SECTION 9 OF THE SECURITIES MARKET ACT The State of Finland and Solidium Oy (Business ID 0866693-1) announce an arrangement that, if completed, will lead to a situation in which the portions of holdings of the State of Finland will decrease below and the portions of holdings of Solidium Oy will increase above the thresholds as intended in Chapter 2, Section 9 of the Securities Markets Act in the companies mentioned below whose shares have been accepted for public trading. On 21 October 2008, the Council of State decided to propose to the Parliament that the state-owned equities in eight listed companies, i.e. Kemira Oyj, Metso Corporation, Rautaruukki Corporation, Outokumpu Oyj, Sampo plc, Sponda Plc, Stora Enso Oyj and TeliaSonera AB (publ) be transferred to Solidium Oy, an entirely state-owned company. According to current information, the State will transfer its shares to Solidium Oy as a contribution in kind in compliance with the Limited Liability Companies Act. The matter will be submitted for parliamentary decision in connection with the 2008 supplementary budget, which the Council of State yesterday decided to propose to the Parliament. The arrangement will take place if the Parliament approves the above-mentioned Council of State proposal and when the exemption order granted by the Financial Supervision Authority to Solidium Oy has come into legal effect. The Financial Supervision Authority has granted Solidium Oy an exemption order from the obligation that would otherwise arise, to make a public offer to purchase the shares in Outokumpu Oyj, Rautaruukki Corporation and Sponda plc other than those transferred in this context. The shares transferred to Solidium Oy and the portions of holdings they represent in the respective companies are as follows: • Kemira Oyj 20,656,500 shares, portion of holdings 16.52%; • Metso Corporation 15,695,287 shares, portion of holdings 11.07%; • Outokumpu Oyj 56,440,597 shares, portion of holdings 31.11%; • Rautaruukki Corporation 55,656,699 shares, portion of holdings 39.69%; • Sampo plc 79,280,080 shares, portion of holdings 13.86%; • Sponda Plc 38,065,498 shares, portion of holdings 34.28%; • Stora Enso Oyj 97,079,438 shares, portion of holdings 12.30%; • TeliaSonera AB (publ) 616,128,221 shares, portion of holdings 13.72%. Helsinki, 22 October 2008 State of Finland, Solidium Oy as represented by the Prime Minister's Office DISTRIBUTION Financial Supervision Authority Kemira Oyj Metso Corporation Outokumpu Oyj Rautaruukki Corporation Sampo plc Sponda Plc Stora Enso Oyj TeliaSonera AB (publ)