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

may 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 Sageview Capital MGP, LLCthe notification obligation: iii

Edward A. Gilhuly Scott M. Stuart

4. Full name of shareholder(s) (if Sageview Capital Luxembourg S.a.r.l.different from 3.):iv

5. Date of the transaction and date February 27, 2013on which the threshold is crossed orreached: v 6. Date on which issuer notified: March 1, 2013 7. Threshold(s) that is/are crossed 3%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 Ordinary 3,805,479 3,805,479 3,705,479 2.92%shares of £0.10 nominalvalue each GB0001528156 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. Not applicable

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 Not applicable Total (A+B+C) Number of voting rights Percentage of voting rights 3,705,479 2.92%

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

Prior to February 27, 2013, Sageview Capital Luxembourg S.à.r.l., a privatecompany formed in Luxembourg ("Luxco"), held 3,805,479 ordinary shares of £0.10nominal value each (the "Ordinary Shares") of Interserve Plc (the "Company").As a result of market dispositions, Luxco is the beneficial owner and holds intotal, at the date of this notification,3,705,479 Ordinary Shares, whichrepresent 2.92% of the voting power in the Company.

Sageview Capital Master, L.P. ("SCMLP") is the sole shareholder of Luxco.

Sageview Capital GenPar, Ltd. (the "General Partner") serves as the generalpartner of SCMLP. The General Partner is controlled by its directors, Edward A.Gilhuly and Scott M. Stuart. The General Partner possesses sole power at itsdiscretion to vote and direct the disposition of all Ordinary Shares held byLuxco.

The General Partner is a controlled undertaking of Sageview Capital GenPar L.P.("SCGPLP"), which is a controlled undertaking of Sageview Capital MGP, LLC ("SCMGP"). SCMGP is controlled within the meaning of DTR 5.2.1 by Edward A.Gilhuly and Scott M. Stuart. 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: Notification using the issued share capital of the Company of 126,846,939 as reported by the Company on September 28, 2012. 14. Contact name: Mr Trevor Bradbury 15. Contact telephone number: 0118 932 0123