Holding(s) in Company

For filings with the FCA include the annexFor filings with issuer exclude the annex TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES 1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: Keller Group Plc 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 mayresult in the acquisition of shares already issued to which voting rightsare 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): Legal & General Group Plc (Group)3. Full name of person(s) subject to thenotification obligation: Legal & General Investment Management Limited (LGIM) Legal & General Group Plc4. Full name of shareholder(s) (L&G) (if different from 3.): 5. Date of the transaction and date onwhich the threshold is crossed or 15 May 2014reached: 6. Date on which issuer notified: 16 May 2014 7. Threshold(s) that is/are crossed or Group (Below 5%)reached: LGIM (Below 5%) 8. Notified details: A: Voting rights attached to shares Class/ Situation previous Resulting situation after the triggering transactiontype of to the triggeringshares transaction Number Number Number of voting % of voting rightsif of of rightspossible Shares Voting Numberusing Rights of sharesthe ISINCODE Direct Indirect Direct Indirect 3,551,961Ordinary 10p LGIM (Below 5%) As of 02/09/2013 B: Qualifying Financial Instruments Resulting situation after the triggering transaction Number of voting rights that may beType of financial Expiration Exercise/ acquired if the % of votinginstrument date Conversion Period instrument is rights exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments Resulting situation after the triggering transaction Type of Exercise price Expiration date Exercise Number of % of voting rightsfinancial / votinginstrument Conversion rights period instrument refers to Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights LGIM (Below 5%) 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: Legal & General Group Plc (Direct and Indirect) (Group) ( Below 5% =Total Position) Legal & General Investment Management (Holdings) Limited (LGIMH)(Direct and Indirect) ( Below 5% = Total Position) Legal & General Investment Management Limited (Indirect) (LGIM) (Below 5% Total Position) Legal & General Group Plc (Direct) (L&G) ( 2,493,440 -3.50% = LGAS, LGPL & PMC) Legal & General Investment Management (Holdings) Legal & GeneralLimited (Direct) (LGIMHD) (PMC) Insurance Holdings Limited (Direct) (LGIH) Legal & General Assurance (Pensions Management) Legal & GeneralLimited (PMC) (PMC) Assurance Society Limited (LGAS & LGPL) Legal & General Pensions Limited (Direct) (LGPL) 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: Notification using the total voting rights figure of13. Additional information: 71,231,593 14. Contact name: Kerry Porritt 15. Contact telephone number: 0207 616 7575