Holding(s) in Company

1st Nov 2011 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 issuer of existing shares to which voting rights are Keller Group plc 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 the Aviva plc & its subsidiaries notification obligation: iii Registered Holder: BNY (Nominees) Limited 56,666* BNY Norwich Union Nominees Limited 432,348* Chase (GA Group) Nominees Limited 2,538,541* Chase Nominees Limited 121,170* 4. Full name of shareholder(s) CUIM Nominee Limited 104,041* (if different from 3.): iv Vidacos Nominees Limited 44,069* *denotes direct interest BNP Paribas Securities Services 85,217 Chase Nominees Limited 103,430 Vidacos Nominees Limited 296,529 5. Date of the

transaction and date on which the threshold is 28 October 2011

crossed or reached: v

6. Date on which issuer 31 October 2011 notified: 7. Threshold(s) that is/ are crossed or 4% to 5% Change at Direct Interest Level reached: vi, vii 8. Notified details:

A: Voting rights attached to shares viii, ix Class/type Situation previous Resulting situation after the triggering transaction of to the triggering shares transaction if possible Number Number Number Number of voting % of voting rights xusing of of of shares rights the ISIN Shares Voting CODE Rights Direct Direct xi Indirect xii Direct Indirect Ordinary Shares 3,579,958 3,579,958 3,782,011 3,296,835 485,176 5.13% 0.75% GB0004866223

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 Financial Instruments xv, xvi

Resulting situation after the triggering transaction Type of Exercise Expiration Exercise/ Number of voting rights % of voting financial price date xvii Conversion instrument refers to rights xix, xx instrument period xviii Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 3,782,011 5.88%

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

The voting rights are managed and controlled by Aviva Investors Global Services Limited and Aviva Investors France SA, with the following chain of controlled undertakings:-

Aviva Investors Global Services Limited:

Aviva plc (Parent Company)

Aviva Group Holdings Limited (wholly owned subsidiary of Aviva plc) Aviva Investors Holdings Limited (wholly owned subsidiary of Aviva Group

Holdings Limited)

Aviva Investors Global Services Limited (wholly owned subsidiary of Aviva

Investors Holdings Limited) Aviva Investors France SA: Aviva plc (Parent Company)

Aviva Group Holdings Limited (wholly owned subsidiary of Aviva plc) Aviva International Insurance Limited (wholly owned subsidiary of Aviva Group Holdings Limited)

Aviva Insurance Limited (wholly owned subsidiary of Aviva International

Insurance Limited)

Aviva International Holdings Limited (wholly owned subsidiary of Aviva

Insurance Limited)

Aviva Participations SA (wholly owned subsidiary of Aviva International

Holdings Limited)

Aviva France SA (wholly owned subsidiary of Aviva Participations SA) Aviva Investors France SA (wholly owned subsidiary of Aviva France SA)

Proxy Voting: 10. Name of the proxy holder: See Section 4

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: Figures are based on a total number of voting rights of 64,320,708, as per the Company's Total Voting Rights Announcement of 1 June 2011. 14. Contact name: Neil Whittaker, Aviva plc

15. Contact telephone number: 01603 684420

XLON

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Related Shares:

Keller