Fidessa Group Regulatory News (FDSA)

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 Fidessa Group Plcto which voting rights are attached:ii 2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights Yes An acquisition or disposal of qualifying financial instruments which may result Noin the acquisition of shares already issued to which voting rights are attached An acquisition or disposal of instruments with similar economic effect to Noqualifying financial instruments An event changing the breakdown of voting rights No Other (please specify): No 3. Full name of person(s) subject to the notification obligation:iii Kames Capital Plc 4. Full name of shareholder(s) (if different from3.):iv 5. Date of the transaction and date on which the threshold is 25/02/2015crossed or reached: v 6. Date on which issuer notified: 27/02/2015 7. Threshold(s) that is/are crossed or reached: vi, vii 6% 8. Notified details: A: Voting rights attached to shares viii, ix Class/type Situation previous to the Resulting situation after the triggeringof shares triggering transaction transaction Number of Number of Number of Number of voting % of votingif possible shares Voting Rights shares rights rights xusing theISIN CODE Direct Direct xi Indirect Direct Indirect xii GB0007590234 2,344,406 2,344,406 1,827,386 1,827,386 456,346 4.79% 1.19% B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Expiration date Exercise/ Conversion Number of voting % offinancial xiii Period xiv rights that may votinginstrument be acquired if rights the instrument is exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments xv, xvi Resulting situation after the triggering transaction Type of Exercise price Expiration Exercise/ Number of % of votingfinancial date xvii Conversion period voting rights rights xix, xxinstrument xviii instrument refers to Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 2,283,732 5.98% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi Kames Capital:- Kames Capital Plc Kames Capital ICVC Kames Capital VCIC Proxy Voting: 10. Name of the proxy holder: Kames Capital Plc 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: Trade Operations Manager 15. Contact telephone number: 0131 549 2206 Note: Annex should only be submitted to the FCA not the issuer Annex: Notification of major interests in sharesxxii A: Identity of the persons or legal entity subject to the notificationobligation Full name Kames Capital Plc (including legal form of legal entities) Contact address Kames House (registered office for legal entities) 3 Lochside Crescent Edinburgh EH12 9SA Phone number and email 0870 60 90 101 Other useful information Alison Talbot (at least legal representative for legal persons) Company Secretary 0131 549 3205 B: Identity of the notifier, if applicable Full name Trade Operations Manager Contact address Kames House 3 Lochside Crescent Edinburgh EH12 9SA Phone number and email 0131 549 2206 imsmb@kamescapital.com Other useful information (e.g. functional relationship with the person or legal entitysubject to the notification obligation) C: Additional information For notes on how to complete form TR-1 please see the FCA website.