LÄNNEN TEHTAAT PLC STOCK EXCHANGE ANNOUNCEMENT7 MAY AT 12:30 P.M. ANNOUNCEMENT PURSUANT TO CHAPTER 2, SECTION 1O OF THE SECURITIES MARKETS ACT EM Group Oy (business ID 0854884-7) has according to chapter 2, section 9, of the Securities Markets Act disclosed to the Financial Supervision Authority and Lännen Tehtaat plc that on 6 May 2010 EM Group Oy´s ownership in Lännen Tehtaat plc has risen above five percent of the total number of shares and voting rights. After share purchases yesterday, 6 May 2010, EM Group Oy owns 316,000 Lännen Tehtaat plc´s shares corresponding 5.002% of the total number of shares and 5.107% of voting rights in Lännen Tehtaat plc. LÄNNEN TEHTAAT PLC Riitta Jaakkola Financial Manager For additional information: Lännen Tehtaat plc, Matti Karppinen, CEO, tel. +358 10 402 00 Distribution: NASDAQ OMX Helsinki Ltd Main media www.lannen.fi