For filings with the FCA include the annex

For filings with issuer exclude the annex



TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi



1. Identity of the issuer or the underlying issuer
of existing shares to which voting rights are                       Fidessa Group plc
attached:ii

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights                              X

An acquisition or disposal of qualifying financial instruments which may result
in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to
qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to the            The Capital Group Companies, Inc.
notification obligation:iii

4. Full name of shareholder(s)                               See Schedule A
 (if different from 3.):iv

5. Date of the transaction and date on
which the threshold is crossed or                             23 April 2014
reached: v

6. Date on which issuer notified:                             24 April 2014

7. Threshold(s) that is/are crossed or                          Above 8%
reached: vi, vii





8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of  Situation previous                    Resulting situation after the triggering transaction
shares         to the triggering
               transaction

if possible    Number                  Number        Number   Number of voting          % of  voting rights
using          of                      of            of       rights                    x
the ISIN CODE  Shares                  Voting        shares
                                       Rights
                                                     Direct   Direct xi Indirect xii    Direct     Indirect

   Ordinary

(GB0007590234)        2,954,336          2,954,336                        3,053,431                  8.0472%





B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of          Expiration             Exercise/              Number of voting                 % of voting
financial        date xiii              Conversion Period xiv  rights that may be               rights
instrument                                                     acquired if the
                                                               instrument is
                                                               exercised/ converted.

      n/a



C: Financial Instruments with similar economic effect to Qualifying Financial
Instruments xv, xvi

Resulting situation after the triggering transaction

Type of         Exercise price         Expiration  Exercise/  Number of voting rights       % of voting
financial                              date xvii   Conversion instrument refers to          rights xix, xx
instrument                                         period
                                                   xviii

                                                                                            Nominal  Delta
      n/a




Total (A+B+C)

Number of voting rights                                     Percentage of voting rights

                         3,053,431                                             8.0472%





9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: xxi



See Schedule A



Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease
to hold:

12. Date on which proxy holder will cease to hold
voting rights:




13. Additional information:

14. Contact name:

15. Contact telephone number:




Schedule A





                                                Number of Percent of
                                                          Outstanding
                                                Shares

The Capital Group Companies, Inc. ("CG")        3,053,431 8.047%
holdings

Holdings by CG Management Companies and Funds:

• Capital Guardian Trust Company                1,385,731 3.652%

• Capital International Limited                 341,400   0.900%

• Capital International SÁrl                    86,300    0.227%

• Capital Research and Management Company       1,240,000 3.268%

            • The Income Fund of America