OKMETIC OYJ STOCK EXCHANGE ANNOUNCEMENT 19 SEPTEMBER 2008 AT 12.00 P.M. ACCENDO CAPITAL'S OWNERSHIP OF OKMETIC'S SHARES TO 15.77 PERCENT Notification of a change in holdings as required by Chapter 2, Section 10 of the Finnish Securities Markets Act: Okmetic Oyj has today received notification that on 18 September 2008 the total holdings that Accendo Capital SICAV investment fund (Luxembourg) has in Okmetic has risen to 2,663,810 shares. This corresponds to 15.77 percent of Okmetic's share capital and voting rights. Okmetic Oyj's share capital as recorded in the Trade Register comprises a total of 16,887,500 shares. Each share entitles its holder to one vote. OKMETIC OYJ Esko Sipilä Senior Vice President, Finance For more information, please contact: Senior Vice President, Finance Esko Sipilä, Okmetic Oyj, Tel. +358 9 5028 0286, email: esko.sipila@okmetic.com Distribution: OMX Nordic Exchange Principal media www.okmetic.com OKMETIC IN BRIEF Take it higher Okmetic is a technology company which supplies tailor-made silicon wafers for sensor and semiconductor industries and sells its technological expertise. Okmetic provides its customers with solutions that boost their competitiveness and profitability. Okmetic's silicon wafers are part of a further processing chain that produces end products that improve human interaction and quality of life. Okmetic's products are based on high-tech expertise that generates added value for customers, innovative product development and an extremely efficient production process. Okmetic has a global customer base and sales network, production plants in Finland and the US and contract manufacturers in Japan and China. Okmetic's shares are listed on OMX's Nordic Exchange under the code OKM1V. For more information on the company, please visit our website at www.okmetic.com.