Publication of Circular

12 June 2013

Keller Group plc ("Keller" or the "Company")

Proposed Acquisition of North American Piling

Publication of Circular

Keller (LSE: KLR), the international ground engineering specialist, announced yesterday the proposed acquisition of North American Piling from North American Energy Partners Inc. (the "Acquisition"), subject to shareholder approval. In connection with the proposed Acquisition, the Company confirms that the shareholder circular containing, amongst other things, details of the proposed Acquisition, notice of a general meeting of the Company to be held at the offices of Investec Bank plc, 2 Gresham Street, London EC2V 7QP, United Kingdom at 10.00 a.m. on 28 June 2013 for the purposes of approving the Acquisition and the form of proxy, has today been published and will be posted to shareholders.

In compliance with LR 9.6.1R and LR 9.6.3R, the Company confirms that the circular and the form of proxy have also been submitted to the National Storage Mechanism and will shortly be available for inspection at: www.morningstar.co.uk/uk/nsm and on the Company's website at: www.keller.co.uk/investor/shareholder/aspx.

Enquiries:

Keller +44 (0) 20 7616 7575

Justin Atkinson, Chief Executive

James Hind, Finance Director

RLM Finsbury +44 (0) 20 7251 3801

Gordon Simpson

Rowley Hudson

Investec Bank plc ("Investec"), which is authorised in the United Kingdom by the Prudential Regulation Authority and regulated in the United Kingdom by the Prudential Regulation Authority and the Financial Conduct Authority, is acting exclusively for the Company in connection with the Acquisition and not for any other person and will not be responsible to anyone other than the Company for providing the protections afforded to its clients, nor for providing advice in relation to the Acquisition, the contents of this announcement, or any transaction or arrangement referred to herein.

Jefferies International Limited ("Jefferies"), which is authorised and regulated in the United Kingdom by the Financial Conduct Authority, is acting exclusively for the Company in connection with the Acquisition and not for any other person and will not be responsible to anyone other than the Company for providing the protections afforded to its clients, nor for providing advice in relation to the Acquisition, the contents of this announcement, or any transaction or arrangement referred to herein.

Apart from the responsibilities and liabilities, if any, which may be imposed on Investec or Jefferies by the Financial Services and Markets Act 2000 or by the regulatory regime established under it, neither Investec nor Jefferies nor any of their respective affiliates accepts any responsibility whatsoever for the contents of the information contained in this announcement or for any other statement made or purported to be made by or on behalf of Investec or Jefferies or any of their respective affiliates in connection with the Company or the Acquisition. Investec and Jefferies and each of their respective affiliates accordingly disclaim all and any liability, whether arising in tort, contract or otherwise (save as referred to above) in respect of any statements or other information contained in this announcement and no representation or warranty, express or implied, is made by Investec or Jefferies or any of their respective affiliates as to the accuracy, completeness or sufficiency of the information contained in this announcement.

Neither the content of the Company's website nor any website accessible by hyperlinks on the Company's website is incorporated in, or forms part of, this announcement.