Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi 1. Identity of the issuer or the underlying Interserve Plcissuer of existing shares to which votingrights are 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 Xmay result in the acquisition of shares already issued to which votingrights are attached An acquisition or disposal of instruments with similar economic effectto qualifying financial instruments An event changing the breakdown of voting rights Other (pleasespecify): 3. Full name of person(s) subject to Old Mutual Plcthe notification obligation: iii 4. Full name of shareholder(s) (ifdifferent from 3.):iv 5. Date of the transaction and date 14 March 2014on which the threshold is crossed orreached: v 6. Date on which issuer notified: 17 March 2014 7. Threshold(s) that is/are crossed 6%or reached: vi, vii 8. Notified details:A: Voting rights attached to shares viii, ix Class/type of Situation previous Resulting situation aftershares to the triggering the triggering transaction transaction if possible Number Number Number Number of % of votingusing of of of voting rights xthe ISIN CODE Shares Voting shares rights Rights Direct Direct xi Indirect Direct Indirect xii GB0001528156 7,027,455 7,027,455 7,443,079 5.24% B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration Exercise/ Number of voting % of voting instrument date xiii Conversion Period rights that may be rights xiv acquired if the instrument is exercised/ converted. CFD 1,122,800 0.79% C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments xv, xvi Resulting situation after the triggering transaction Type of Exercise Expiration Exercise/ Number of voting % of voting financial price date xvii Conversion rights instrument rights xix, xx instrument period refers to xviii Nominal Delta N/A Total (A+B+C) Number of voting rights Percentage of voting rights 8,565,879 6.03% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy N/Aholder will cease to hold: 12. Date on which proxy holder will N/Acease to hold voting rights: 13. Additional information: 14. Contact name: Mr Trevor Bradbury 15. Contact telephone number: 0118 932 0123