Transaction in Own Shares

AMEC plc

17 August 2012

Irrevocable, Non-Discretionary Share Repurchase Programme

AMEC plc today announces that it will commence an irrevocable, non-discretionary programme with Barclays Capital Securities Limited to purchase ordinary shares on its own behalf during a period of approximately six weeks, which commences on 20 August 2012.

Any purchases will be made within certain pre-set parameters and limits and in accordance with both AMEC plc's general authority to repurchase shares and the Listing Rules.

Enquiries to:

AMEC plc +44 (0)20 7539 5800

Sue Scholes - Director of Communications

Nicola-Jane Brooks - Head of Investor Relations

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 29,000 people in around 40 countries worldwide. See amec.com.