Holding(s) in Company

For filings with the FSA 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 issuerof existing shares to which voting rights are UBM plcattached: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 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 Massachusetts Financial Services Companynotification obligation:iii 4. Full name of shareholder(s) MFS invests in securities of the issuer on (if different from 3.):iv behalf of its various mutual funds and institutional account clients. 5. Date of the transaction and date onwhich the threshold is crossed or 2 April 2014reached: v 6. Date on which issuer notified: 3 April 2014 7. Threshold(s) that is/are crossed or 5%reached: vi, vii 8. Notified details: A: Voting rights attached to shares viii, ix Class/type Situation previous Resulting situation after the triggering transactionof to the triggeringshares transaction Number Number Number Number of voting % of voting rights xif possible of of of rightsusing Shares Voting sharesthe ISIN RightsCODE Direct Direct xi Indirect Direct Indirect xii JE00B2R84W06 12,326,241 12,326,241 12,029,463 4.8946% B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting % of votingfinancial date xiii Conversion Period rights that may be rightsinstrument xiv 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 Exercise price Expiration Exercise/ Number of voting rights % of votingfinancial date xvii Conversion instrument refers to rights xix, xxinstrument period xviii Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 12,029,463 4.8946% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi UBM plc - B2R84W0 Entity Holding Percentage Held MFSC - MFS Investment Management Canada Ltd 60,638 0.0247% MFS - Massachusetts Financial Services Company 7,852,616 3.1951% MFSHE - MFS Heritage Trust Company 102,886 0.0419% MFSI - MFS Institutional Advisors, Inc. 418,484 0.1703% MILUK - MFS International (U.K.) Ltd. 3,594,839 1.4627% Notifiable Interest 12,029,463 4.8946% Shares Outstanding 245,768,834 Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease N/Ato hold: 12. Date on which proxy holder will cease to hold N/Avoting rights: 13. Additional information: 14. Contact name: 15. Contact telephone number: Note: Annex should only be submitted to the FSA not the issuer Annex: Notification of major interests in sharesxxii A: Identity of the persons or legal entity subject to the notificationobligation Full name Massachusetts Financial(including legal form of legal entities) Services Co. Contact address 111 Huntington Avenue, (registered office for legal entities) Boston, MA 02199 USA Phone number & email 617-954-5000 Other useful information (at least legal representative for legal persons) Robert Flaherty B: Identity of the notifier, if applicable Full name Contact address Phone number & email 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 FSA website.