Director/PDMR Shareholding

ATKINS SHARE INCENTIVE PLAN (the "Plan")

In accordance with Paragraph 3.1.2 of the Disclosure and Transparency Rules, WS Atkins plc (the "Company") was notified on 16 May 2013 that on 15 May 2013 the Trustees of the Plan purchased ordinary shares of 0.5 pence each in the Company at a price of £8.832633 per share on behalf of the directors and persons discharging managerial responsibilities, as set out below:

* Denotes director of the Company.

Carlie Nathan

Company Secretarial Administrator

16 May 2013

Telephone: +44 (0) 1372 752127