Basware Corporation ANNOUNCEMENT 23.4.2012 SHARE REPURCHASE 23.4.2012 In the Helsinki Stock Exchange Trade date 23.4.2012 Bourse trade BUY Share BAS1V Amount 522 shares Total cost 10.671,12 EUR Average price/ share 20,4428 EUR Highest price/ share 20,49 EUR Lowest price/ share 20,35 EUR Basware Corporation now holds a total of 97.275 shares including the shares repurchased on 23.4.2012. On behalf of Basware Corporation NORDEA BANK FINLAND PLC Petri Simberg Julius Summanen [HUG#1605119]