Director/PDMR Shareholding - Monthly Share Purchase Plan

As a result of a purchase of shares at 2353p by the Fidessa group plc MonthlyShare Purchase Plan on 8th May 2015, Mark Ames, a person discharging managerialresponsibilities in Fidessa group plc, became the beneficial owner of 5 Fidessagroup plc ordinary shares. Following this announcement his shareholding is173,998 ordinary shares in the issued share capital of the Company,constituting 0.46% of the issued share capital. In addition, Mark Ames has beengranted matching shares equal to the number of shares purchased in thetransaction. The matching shares will vest in the September in the third yearafter the award, subject to continued employment during the vesting period. The trust for the Fidessa group plc Monthly Share Purchase Plan purchasesshares in the market in order to satisfy certain matching shares under theFidessa group plc Monthly Share Purchase Plan. As a potential beneficiary inthe trust, the executive directors and persons discharging managerialresponsibility are deemed to have a potential beneficial interest in thetrust's shares.