Transaction in Own Shares

AMEC plc

Transaction in Own Shares

Prohibited Period Share Repurchase Programme

AMEC plc ("AMEC") announces that it has entered into irrevocable, non-discretionary arrangements with Deutsche Bank AG, London Branch to purchase ordinary shares of 50 pence each on its own behalf for cancellation or holding in Treasury during its prohibited period. The Prohibited Period Share Repurchase Programme will commence on 2 July 2012 and ends on the date of publication of AMEC's interim results on 9 August 2012.

Any acquisitions will be effected within certain pre-set parameters, and in accordance with both AMEC's general authority to repurchase shares and Chapter 12 of the Listing Rules.

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AMEC (LSE: AMEC) is a focused supplier of consultancy, engineering and project management services to its customers in the world's oil and gas, minerals and metals, clean energy, environment and infrastructure markets. With annual revenues of some £3.3 billion, AMEC designs, delivers and maintains strategic and complex assets and employs over 27,000 people in around 40 countries worldwide. See amec.com.