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 Keller Group plc issuer of existing shares to which voting rights 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 voting rights are attached An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments An event changing the breakdown of voting rights Other (please specify): 3. Full name of person(s) subject to Blackrock, Inc the notification obligation: iii 4. Full name of shareholder(s) (if different from 3.):iv 5. Date of the transaction and date 23rd March 2010 on which the threshold is crossed or reached: v 6. Date on which issuer notified: 24th March 2010 7. Threshold(s) that is/are crossed Holding has gone below 13% or reached: vi, vii 8. Notified details: A: Voting rights attached to shares viii, ix Class/type of Situation previous Resulting situation after shares to the triggering the triggering transaction transaction if possible Number Number Number Number of % of voting using of of of voting rights x the ISIN CODE Shares Voting shares rights Rights Direct Direct Indirect Direct Indirect xi xii GB0004866223 6,506,343 6,506,343 N/A N/A 6,441,258 N/A 10.03% 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. C: Financial Instruments with similar economic effect to Qualifying Financial Instruments 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 CFD 1,905,985 2.97% 2.97% Total (A+B+C) Number of voting rights Percentage of voting rights 8,347,243 12.99% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi BlackRock Investment Management (UK) Limited - 8,347,243 (12.99%) Proxy Voting: 10. Name of the proxy holder: 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: BlackRock Compliance Disclosures Team 14. Contact name: Stuart Watchorn 15. Contact telephone number: 020 7743 5741; stuart.watchorn@blackrock.com 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 notification obligation Full name BlackRock, Inc (including legal form of legal entities) Contact address 33 King William Street, London, EC4R (registered office for legal entities) 9AS Phone number & email 020 7743 5741 Other useful information Stuart Watchorn (at least legal representative for legal persons) 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 entity subject to the notification obligation) C: Additional information For notes on how to complete form TR-1 please see the FSA website.

Companies

Keller Group (KLR)
UK 100

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