LAROX CORPORATION COMPANY ANNOUNCEMENT 17 May 2010 at 11 am LAROX CORPORATION APPLIES FOR DELISTING OF ITS SHARES Outotec Oyj (“Outotec”) owns approximately 98.5 per cent of all the shares in Larox Corporation (“Larox”)and approximately 99.7 per cent of all the votes in Larox, excluding the treasury shares held by Larox. Outotec has initiated minority redemption proceedings in accordance with Chapter 18 of the Finnish Companies Act in order to acquire all the remaining Larox series B shares held by the minority shareholders. Outotec owns all of the series A shares of Larox. The arbitrator appointed by the Redemption Committee of the Central Chamber of Commerce of Finland has summoned the parties to an oral hearing concerning the redemption of the minority shares to be held on 10 June 2010. Provided that the Arbitral Tribunal confirms that Outotec's redemption right is clear, Outotec is entitled to gain title to all the Larox series B shares against the placing of security approved by the Arbitral Tribunal for the payment of the redemption price. Larox's Board of Directors has decided to submit an application to terminate the trading in the Larox series B shares and to delist the Larox series B shares from the official list of NASDAQ OMX Helsinki Ltd. (“NASDAQ OMX Helsinki”). A delisting application concerning the matter has been submitted today to NASDAQ OMX Helsinki. In the application Larox requests that the quotation of the Larox series B shares on the official list of NASDAQ OMX Helsinki be terminated as soon as possible upon Outotec having gained title to all the Larox shares. Larox Corporation For further information: Mr. Juhana Ylikojola President & CEO Phone +358 207 687 266 Fax +358 207 687 380 juhana.ylikojola@larox.com www.larox.com Distribution NASDAQ OMX Helsinki Ltd., Central Media Larox develops, designs and manufactures industrial filters and is a leading technology company in its field. Larox is a full service solution provider in filtration for separating solids from liquids. It supplies comprehensive aftermarket services throughout the lifespan of the Larox solution. Companies world-wide in mining and metallurgy, chemical processing and related industries benefit from the Larox technologies. Larox operates in over 40 countries and has over 600 employees. Larox has assembly shops in Finland and in China, and the Group is headquartered in Lappeenranta, Finland. Net sales in 2009 totaled 150.2 million euros, of which more than 93 % were generated by exports and the company's foreign operations. Larox is a subsidiary of Outotec.