Directorate Change

29 May 2014

Aggreko announces the appointment of Chris Weston as Chief Executive Officer

Aggreko, the world leader in the provision of temporary power and temperature control services, is pleased to announce the appointment of Chris Weston as Chief Executive Officer.

Chris has extensive experience in senior leadership roles in world-class businesses. He is currently Managing Director, International Downstream at Centrica plc, where he is an Executive Director running the Group's largest division. In this role Chris is operationally responsible for both British Gas in the UK and Direct Energy in the USA, with revenues of £22bn, profits of £1.3bn and over 35,000 employees.

He joined Centrica in 2001 after a successful career in the telecoms industry, working for both Cable & Wireless and One.Tel. Before that, Chris served in the Royal Artillery before earning a BSc in Applied Science, as well as an MBA and PhD from Imperial College London.

He is expected to join Aggreko next year once he has completed his commitments at Centrica.

Angus Cockburn, Aggreko's Interim CEO, will continue this role. Angus had previously indicated to the Board that he had decided not to apply for the role on a permanent basis and that, after 14 years at Aggreko principally as CFO, he was keen to seek fresh challenges. Accordingly, he will step down from the Group later in the year.

Aggreko is also pleased to announce that Carole Cran, currently Interim CFO, is appointed as Chief Financial Officer and Executive Director of Aggreko plc and will join the Board with immediate effect. Carole joined Aggreko in 2004 and has worked closely with Angus Cockburn as Group Financial Controller and more recently as Director of Finance.

Commenting on the announcement, Ken Hanna, Chairman of Aggreko, said: "I am delighted to welcome Chris to Aggreko on behalf of all the Board and the Company. Chris brings senior experience of the energy industry and proven leadership skills in a large international business. He has consistently succeeded in driving performance and growth in his career and we believe he has the skills and vision to continue Aggreko's growth and lead the Group to the next level.

"In addition I would like to thank Angus Cockburn so much for the immense contribution he has made to Aggreko over the last 14 years. We can understand his desire to seek a fresh challenge and wish him every success in his future career. He has an extremely able successor in Carole Cran who has many years of experience with the Group."

Chris Weston said: "Aggreko is a fascinating business and I'm very excited to be taking on this role. I have watched and admired Aggreko's tremendous growth over recent years and I look forward to working with Carole and the entire management team to develop the company further in the coming years."

Ends

Enquiries to:

Ken Hanna

Chairman

Aggreko plc

Tel. 020 7546 8277

Neil Bennett / Tom Eckersley

Maitland

Tel: 020 7379 5151

Notes:

About Chris Weston

Chris Weston is currently Executive Director and Managing Director, International Downstream at Centrica plc and an Executive Director on the main Board. International Downstream comprises British Gas in the UK and Direct Energy in the USA, with revenues of £22bn, profits of £1.3bn and over 35,000 employees. Chris has led the re-evaluation of strategy in this division, and has developed the plan to deliver significant growth in profitability for the division in a challenging environment.

Prior to joining Centrica plc, Chris Weston had a number of senior roles at Cable & Wireless and One.Tel, the international telecoms groups. He is married, has four children and lives in Kent.

On appointment Chris will receive a basic annual salary of £750,000 and will receive standard benefits commensurate with his position. He will also be granted replacement share awards with a value of £2.238m, in lieu of his existing share awards from Centrica plc that he will be obliged to forfeit when he joins Aggreko. Full details of his remuneration will be disclosed in the 2015 Annual Report.

About Carole Cran

Carole Cran has been an integral member of Aggreko's senior management and has worked closely with the Executive team for over ten years. In her latest role, Director of Finance, she worked especially closely with Angus Cockburn in his role as CFO and Rupert Soames in his role of CEO, with responsibility of all aspects of mainstream Finance, Tax, Operational performance together with considerable involvement in Investor Relations. In this role she was essentially Deputy CFO and developed a strong profile with the City, whilst having a key involvement in setting the strategic direction for the business and aligning this with the financial strategies.

Carole was appointed interim Chief Financial Officer in March 2014, following Rupert Soames' departure as CEO.

Prior to joining Aggreko, Carole had a number of finance roles in BAE Systems. She is a member of the Institute of Chartered Accountants of Scotland.

Editor's Notes

Aggreko plc is the world leader in the supply of temporary power and temperature control solutions. Aggreko employs over 6,000 people operating from 202 locations. In 2013 we served customers in about 100 countries, and had revenues of approximately GBP 1.6bn (USD 2.5bn or Euros 1.9bn). Aggreko plc is listed on the London Stock Exchange (AGK.L), is a member of the FTSE-100 index, and is headquartered in Scotland. For more information, please visit the company website at www.aggreko.com