OKMETIC OYJ STOCK EXCHANGE RELEASE 10 APRIL 2012 AT 10.00 A.M. INVITATION TO PRESS CONFERENCE FOR OKMETIC'S INTERIM REPORT Okmetic Oyj will announce its interim report for January-March 2012 on Friday, 27 April 2012. A press conference will be held for the media and analysts on Friday, 27 April 2012 at 1.00 p.m. at the World Trade Center, Aleksanterinkatu 17, second floor, Helsinki. The result will be presented by President Kai Seikku. The press conference will be held in Finnish. We ask participants to kindly give advance notice of their attendance by email to communications@okmetic.com or by telephone to +358 9 5028 0406/Marika Mäntymaa. Welcome! OKMETIC OYJ Juha Jaatinen Senior Vice President, Finance, IT, and Communications For further information, please contact: Senior Vice President, Finance, IT, and Communications Juha Jaatinen, Okmetic Oyj, tel. +358 9 5028 0286, email: juha.jaatinen@okmetic.com Distribution: NASDAQ OMX Helsinki 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 to the solar cell industry. 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 NASDAQ OMX Helsinki under the code OKM1V. For more information on the company, please visit our website at www.okmetic.com. [HUG#1601043]