Orion Corporation STOCK EXCHANGE RELEASE December 11, 2013 SHARE REPURCHASE December 11, 2013 In NASDAQ OMX Helsinki Trade date December 11, 2013 Bourse trade Buy Share ORNBV Amount 20,000 shares Total cost 388,626.00 EUR Average price / share 19.4313 EUR Highest price / share 19.53 EUR Lowest price / share 19.32 EUR Orion Corporation now holds a total of 688.991 B shares as treasury shares including the shares repurchased on December 11, 2013. On behalf of Orion Corporation Skandinaviska Enskilda Banken AB (Publ) Mika Koskinen Jari Vikström [HUG#1749306]