Annual Information Update

26 April 2011 Keller Group plc ("the Company") Annual Information Update For the 12 month period ended 21 April 2011 The Company announces that, in accordance with Rule 5.2 of the Prospectus Rules, the following information was published or made available to the public during the twelve month period up to and including 21 April 2011. In accordance with Prospectus Rule 5.2.7, it is acknowledged that whilst the information referred to above was up to date at the time of publication, such disclosures may, at any time, become out of date due to changing circumstances. For the purposes of this update, the information is referred to, rather than provided in full. Full copies of each item can be found in the locations specified below. 1. Announcements made via a Regulatory Information Service The following announcements have been made available via a Regulatory Information Service: 21 April 2011 Holding(s) in Company 28 Mar 2011 Annual Financial Report 10 Mar 2011 Director/PDMR Shareholding Holding(s) in Company 01 Mar 2011 Holding(s) in Company 28 Feb 2011 Final Results 21 Feb 2011 Holding(s) in Company 14 Feb 2011 Directorate Change 09 Feb 2011 Holding(s) in Company 17 Jan 2011 Blocklisting - Full-year Review Blocklisting - Full-year Review Holding(s) in Company 11 Jan 2011 Holding(s) in Company 05 Jan 2011 Holding(s) in Company 20 Dec 2010 Holding(s) in Company 17 Dec 2010 Year End Trading Update 10 Dec 2010 Holding(s) in Company 07 Dec 2010 Holding(s) in Company 24 Nov 2010 Holding(s) in Company 19 Nov 2010 Director/PDMR Shareholding 18 Nov 2010 Interim Management Statement 01 Oct 2010 Total Voting Rights 01 Sep 2010 Total Voting Rights 25 Aug 2010 Treasury Stock 24 Aug 2010 Treasury Stock 18 Aug 2010 Doc re Interim Report 2010 16 Aug 2010 Holding(s) in Company 10 Aug 2010 Treasury Stock 02 Aug 2010 Interim Results Total Voting Rights 16 Jul 2010 Blocklisting - Interim Review Blocklisting - Interim Review 12 Jul 2010 Holding(s) in Company 01 Jul 2010 Total Voting Rights Holding(s) in Company 25 Jun 2010 Pre-close Trading Update 23 Jun 2010 Holding(s) in Company 21 Jun 2010 Holding(s) in Company 10 Jun 2010 Acquisition of Waterfront Services Pty Limited 01 Jun 2010 Total Voting Rights 24 May 2010 Holding(s) in Company 20 May 2010 AGM Business Holding(s) in Company 18 May 2010 Holding(s) in Company 17 May 2010 Result of AGM 14 May 2010 Holding(s) in Company 13 May 2010 Interim Management Statement 04 May 2010 Total Voting Rights 23 Apr 2010 Holding(s) in Company 19 Apr 2010 Holding(s) in Company 16 Apr 2010 Holding(s) in Company Details of all regulatory announcements published via a Regulatory Information Service can be found in full on the Company's market news pages on the London Stock Exchange website at: www.londonstockexchange.com. Copies of these documents are also available on request from the Company's offices at 12th Floor, Capital House, 25 Chapel Street, London, NW1 5DH. 2. Documents filed at Companies House The Company has submitted filings to Companies House in relation to: allotments of its shares; transfer of shares out of treasury; its annual return, annual report and accounts, Directors' appointment and terminations; new Articles of Association; and ordinary and special resolutions passed at the Company's Annual General Meeting on 17 May 2010. Copies of these documents can be obtained from the Companies House website www.companieshouse.gov.uk and from Companies House Direct at www.direct.companieshouse.gov.uk. Alternatively, copies can be obtained from: Registrar of Companies, Companies House, Crown Way, Cardiff, CF14 3UZ. 3. Annual and Interim Reports 2010 The Company's Interim Report 2010, published on 18 August 2010, can be requested from the Company's offices at 12th Floor, Capital House, 25 Chapel Street, London, NW1 5DH. The Company's Annual Report and Accounts for the year ended 31 December 2010, together with the Notice of Annual General Meeting were published on 28 March 2011. Copies of the Interim Report, Annual Report and Accounts and Notice of Annual General Meeting are also available on the Company's website at www.keller.co.uk. Copies of all of the documents referred in 3. above are also available for inspection at the Company's offices at 12th Floor, Capital House, 25 Chapel Street, London, NW1 5DH. 4. Documents submitted to the FSA The documents listed below were sent to the UK Listing Authority ("UKLA") or submitted to the National Storage Mechanism ("NSM") during the period: 28-Mar-2011 Report and Accounts for the year ended 31 December 2010 28-Mar-2011 Notice of Annual General Meeting 28-Mar-2011 Form of Proxy 18-Aug-2010 Interim Report for 2010 All of the above documents are available for download from the NSM website at www.Hembscott.com/nsm.do apart from the Interim Report for 2010 which can be downloaded from the Company's website at www.keller.co.uk./keller/investor/ result-centre/results-archive/2010pres/. Further information regarding the Company and its activities is available on the Company's website at www.keller.co.uk. Jackie Holman Company Secretary END

Companies

Keller Group (KLR)
UK 100