Basware Corporation ANNOUNCEMENT 16.5.2012 SHARE REPURCHASE 16.5.2012 In the Helsinki Stock Exchange Trade date 16.5.2012 Bourse trade BUY Share BAS1V Amount 1.500 shares Total cost 30.147,00 EUR Average price/ share 20,0980 EUR Highest price/ share 20,30 EUR Lowest price/ share 20,00 EUR Basware Corporation now holds a total of 102.190 shares including the shares repurchased on 16.5.2012. On behalf of Basware Corporation NORDEA BANK FINLAND PLC Petri Simberg Julius Summanen [HUG#1612950]