Lombard Odier Asset Management increases stake in Proactis Holdings PLC

 TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES(i) 
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 1. Identity of the issuer or                                                           PROACTIS Holdings PLC 
  the underlying issuer 
  of existing shares to which 
  voting rights are 
  attached: (ii) 
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 2 Reason for the notification (please tick the appropriate 
  box or boxes): 
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 An acquisition or disposal of voting rights 
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 An acquisition or disposal of qualifying financial 
  instruments which may result in the acquisition 
  of shares already issued to which voting rights 
  are attached 
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 An acquisition or disposal of instruments with 
  similar economic effect to qualifying financial 
  instruments 
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 An event changing the breakdown of voting rights 
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 Other (please                                              Transfer of accounts managed on a               X 
  specify):                                                 discretionary basis by Henderson Group 
                                                            Plc to Lombard Odier Investment Managers 
                                                            group 
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 3. Full name of person(s)                                                     Lombard Odier Asset Management 
  subject to the                                                                             (Europe) Limited 
  notification obligation: 
  (iii) 
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 4. Full name of shareholder(s)                                              Disclosure on behalf of accounts 
  (if different from 3.):(iv)                                                      managed on a discretionary 
                                                                            basis by Lombard Odier Investment 
                                                                                              Managers group. 
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 5. Date of the transaction                                                                        01/04/2017 
  and date on 
  which the threshold is 
  crossed or 
  reached: (v) 
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 6. Date on which issuer                                                                           03/04/2017 
  notified: 
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 7. Threshold(s) that is/are                                                                         above 5% 
  crossed or 
  reached: (vi, vii) 
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 8. Notified details: 
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 A: Voting rights attached to shares (viii, ix) 
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 Class/type      Situation previous              Resulting situation after the 
  of              to the triggering               triggering transaction 
  shares          transaction 
 
  if possible 
  using 
  the ISIN 
  CODE 
--------------  ------------------------------  --------------------------------------------------------- 
                 Number          Number          Number         Number of              % of voting 
                 of               of              of shares      voting                 rights (x) 
                 Shares           Voting                         rights 
                                  Rights 
--------------  --------------  --------------  -------------  ---------------------  ------------------- 
                                                 Direct         Direct     Indirect    Direct    Indirect 
                                                                (xi)        (xii) 
--------------    ------------   ------------   -------------  ---------  ----------  --------  --------- 
 GB00B13GSS58                                                              3,792,297             7.55% 
                                                                          ----------  --------  -------