TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi1. Identity of the issuer or the underlying issuer of existing shares to which SEGROvoting rights are attached:ii plc2 Reason for the notification (please tick the appropriate box or boxes):An acquisition or disposal of voting rights xAn acquisition or disposal of qualifying financial instruments which may resultin the acquisition of shares already issued to which voting rights are attachedAn acquisition or disposal of instruments with similar economic effect toqualifying financial instrumentsAn event changing the breakdown of voting rightsOther (please specify):3. Full name of person(s) subject to thenotification obligation:iii Artemis Investment Management LLP on behalf of discretionary funds under management4. Full name of shareholder(s) (ifdifferent from 3.):iv5. Date of the transaction and date on whichthe threshold is crossed or reached: v 31 December 20146. Date on which issuer notified: 07 January 20147. Threshold(s) that is/are crossed or 5.00%8. Notified details:A: Voting rights attached to shares viii, ixClass/type Situation previous Resulting situation afterof to the triggering the triggeringshares transaction transactionif Number Number % of votingpossible Number of Number of rights xusing of Voting of votingthe ISIN Shares Rights shares rightsCODE Direct Indirect Direct xi Indirect Direct Indirect xiiISIN GB 37,116,425 37,116,425 33,657,412 33,657,412 3,476,053 4.53% 0.47%00B5ZN1N88B: Qualifying Financial InstrumentsResulting situation after the triggering transactionType of financial Expiration Exercise/ Number of voting % of voting instrument date xiii Conversion Period xiv rights that may be rights acquired if the instrument is exercised/ converted.C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments xv, xviResulting situation after the triggering transactionType of financial Exercise Expiration Exercise/ Number of voting % of voting instrument price date xvii Conversion rights instrument rights xix, xx period xviii refers to Nominal DeltaTotal (A+B+C) Number of voting rights Percentage of voting rights 37,133,465 5.00%9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxiProxy Voting:10. Name of the proxy holder: N/A11. Number of voting rights proxy holder will cease to hold: N/A12. Date on which proxy holder will cease to hold voting rights: N/A13. Additional information:14. Contact name: Stephanie Murton, Legal Counsel15. Contact telephone number: +44 (0)20 7451 9083