LAROX CORPORATION COMPANY ANNOUNCEMENT 13.5.2009 Change in holding of own shares On 13 May 2009 1,000 Larox B shares issued for the reward payment of Larox Share Ownership Plan 2007-2010, Measuring Period 2007-2008 have been returned free of consideration to the Company according to the Terms and Conditions of the Plan. The Company's holding of own shares on 13 May 2009: 1,000 B shares. For Larox Corporation Hanne Peltola Director, Human Resources and Corporate Communications Tel. 020 7687 389 or 0400 237 191 E-mail: hanne.peltola@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 460 employees. Larox Group is headquartered in Lappeenranta, Finland where the Group also has production facilities. Net sales in 2007 totaled 158.3 million euros, of which more than 95 % were generated by exports and the company's foreign operations.