ORION CORPORATION STOCK EXCHANGE RELEASE 5 July 2012 AT 11.10 AM EEST In accordance with Section 3 of the Articles of Association of Orion Corporation, 200,000 A-shares have been converted into 200,000 B-shares. The conversion has been entered into the Trade Register on 5 July 2012. The total number of shares in Orion Corporation is 141,257,828 which, after the conversion, consists of 44,493,218 A-shares and 96,764,610 B-shares. Orion Corporation Olli Huotari Jari Karlson Senior VP, Corporate Functions CFO Publisher: Orion Corporation Communications Orionintie 1A, FI-02200 Espoo, Finland Homepage: www.orion.fi [HUG#1624418]