Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi 1. Identity of the issuer or the underlying issuer of existing shares to which SEGROvoting rights are attached:ii plc 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 resultin the acquisition of shares already issued to which voting rights are attached An acquisition or disposal of instruments with similar economic effect toqualifying financial instruments An event changing the breakdown of voting rights Other (please specify): 3. Full name of person(s) subject to the notification The Capital Group Companies,obligation:iii Inc. 4. Full name of shareholder(s) (if different from 3.):iv Capital Research and Management Company 5. Date of the transaction and date on which the thresholdis crossed or reached: v 27 June 2014 6. Date on which issuer notified: 1 July 2014 7. Threshold(s) that is/are crossed or reached: vi, vii Below 3.00% 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 % of votingusing Number of Number of rights xthe ISIN CODE of Voting of voting Shares Rights shares rights Direct Indirect Direct Indirect Direct Indirect xi xii ISIN GB00B5ZN1N88 22,727,517 22,727,517 21,229,443 2.86% 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 xiv rights that may be rights acquired if 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 financial Exercise Expiration Exercise/ Number of voting % of voting instrument price date xvii Conversion rights instrument rights xix, xx period xviii refers to Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 21,229,443 2.86% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi The Capital Group Companies, Inc. "CG")holdings 21,229,443 shares Holdings by CG Management Companies and Funds: Capital Research and Management Company 21,229,443 shares Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: 14. Contact name: Stephanie Murton, Legal Counsel 15. Contact telephone number: +44 (0)20 7451 9083