Orion Corporation STOCK EXCHANGE RELEASE December 5, 2013 SHARE REPURCHASE December 5, 2013 In NASDAQ OMX Helsinki Trade date December 5, 2013 Bourse trade Buy Share ORNBV Amount 49,000 shares Total cost 912,605.40 EUR Average price / share 18.6246 EUR Highest price / share 18.84 EUR Lowest price / share 18.52 EUR Orion Corporation now holds a total of 582.991 B shares as treasury shares including the shares repurchased on December 5, 2013. On behalf of Orion Corporation Skandinaviska Enskilda Banken AB (Publ) Mika Koskinen Jari Vikström [HUG#1748141]