Basware Corporation ANNOUNCEMENT 4.4.2012 SHARE REPURCHASE 4.4.2012 In the Helsinki Stock Exchange Trade date 4.4.2012 Bourse trade BUY Share BAS1V Amount 500 shares Total cost 10.500,00 EUR Average price/ share 21,0000 EUR Highest price/ share 21,00 EUR Lowest price/ share 21,00 EUR Basware Corporation now holds a total of 88.556 shares including the shares repurchased on 4.4.2012. On behalf of Basware Corporation NORDEA BANK FINLAND PLC Petri Simberg Julius Summanen [HUG#1600282]