Director/PDMR Shareholding

1 June 2011

AMEC plc - DIRECTORS' DEALINGS

Performance Share Plan ("the Plan")

Pursuant to our obligations under Disclosure Rule 3.1.4, we hereby advise you that the Company has been notified of transactions carried out today by Directors of AMEC plc, in connection with the Plan.

In accordance with the terms of the Plan, as amended following approval by shareholders at the Annual General Meeting on 5 May 2011, the following Restricted Shares (being conditional awards of Matched Shares as defined in the rules of the Plan) have been granted to the Executive Directors on 1 June 2011 as a top-up to the awards made on 5 April 2011.

Director Restricted Shares

Mr S Y Brikho 37,802

Mr N A Bruce 19,430

Mr I P McHoul 21,012

In connection with the above award:

1. Mr McHoul purchased 10,506 shares at 1158 pence per share as Investment Shares.

2. Mess Brikho & Bruce lodged existing shares held by them as Investment Shares.

Following these transactions, the share holdings of Messrs Brikho, Bruce, and McHoul are as follows:-

Mr Brikho holds 1,609,508 ordinary shares in the Company (representing 0.48% of the voting rights in the Company). Mr Brikho also has an interest in 722,143 Restricted Shares in the Performance Share Plan.

Mr Bruce holds 105,152 ordinary shares in the Company (representing 0.03% of the voting rights in the Company). Mr Bruce also has an interest in 288,630 Restricted Shares under the Performance Share Plan.

Mr McHoul holds 98,595 ordinary shares in the Company (representing 0.03% of the voting rights in the Company). Mr McHoul also has an interest in 502,159 Restricted Shares under the Performance Share Plan, 160,181 shares awarded under the Transformation Incentive Plan (due to vest in September 2011) and 1,512 shares under the Savings Related Share Option Scheme.

K A Hand

Assistant Company Secretary