As a result of purchases of shares at 1876p each by the Fidessa group plc Share
    Incentive Plan on 22 January 2016, John Hamer, Chris Aspinwall and Andy
    Skelton, all directors of Fidessa group plc and Stephen Barrow, a person
    discharging managerial responsibilities in Fidessa group plc, became the
    beneficial owners of the number of ordinary shares in Fidessa group plc set out
    in the table below. Following this announcement their holdings in Fidessa group
    plc ordinary shares are also set out in the table below.

         Name        Number of   Total interest in  Percentage interest in 
                      shares     Fidessa group plc    Fidessa group plc    
                   purchased by   ordinary shares      ordinary shares     
                    the Fidessa      following      following announcement 
                     group plc     announcement                            
                       Share                                               
                     Incentive                                             
                       Plan                                                
                                                                           
      John Hamer         7            86,863                0.23%          
                                                                           
        Chris            7            124,597               0.33%          
      Aspinwall                                                            
                                                                           
     Andy Skelton        6             1,513           less than 0.01%     
                                                                           
    Stephen Barrow       7            334,492               0.87%          

    The persons named above have been awarded matching shares equal to the number
    of shares purchased in the above transaction. The matching shares will vest on
    the third anniversary of the date of the award subject to continued employment
    for those three years.

    The trust for the Fidessa group plc Share Incentive Plan purchases shares in
    the market in order to satisfy matching shares under the Fidessa group plc
    Share Incentive Plan. As potential beneficiaries in the trust, the executive
    directors and persons discharging managerial responsibility are deemed to have
    a potential beneficial interest in the trust's shares.