Holding(s) in Company

27 Jul 2009 07:00

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 Yes 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 JPMorgan Asset Management Holdings Inc. the notification obligation: iii

4. Full name of shareholder(s) (if JPMorgan Asset Management (UK) Limited different from 3.):iv

5. Date of the transaction and date 22 July 2009 on which the threshold is crossed or reached: v 6. Date on which issuer notified: 24 July 2009 7. Threshold(s) that is/are crossed 5% upwards or reached: vi, vii 8. Notified details:A: Voting rights attached to shares viii, ixClass/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 3,199,083 3,199,083 3,231,319 5.042% 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 3,345 0.005%

Total (A+B+C)

Number of voting rights Percentage of voting rights 3,234,664 5.047%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi

Total disclosable holding for JPMorgan Asset Management Holdings Inc : JPMorgan Asset Management (UK) Limited: 3,234,664 (5.047%) Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy N/A holder will cease to hold: 12. Date on which proxy holder will N/A cease to hold voting rights: 13. Additional information: N/A 14. Contact name: Jay Supaya 15. Contact telephone number: 020 7325 4513 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 (including legal form of legal entities) Contact address (registered office for legal entities) Phone number & email Other useful information (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.