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 15 September 2011 that on that day the Trustees of the Plan purchased ordinary shares of 0.5 pence each in the Company at a price of £5.515221 per share on behalf of the directors and persons discharging managerial responsibilities, as set out below:

* Denotes director of the Company.

Helen Baker

Deputy Company Secretary

16 September 2011

Telephone: +44 (0) 1372 752401