ATK.L Regulatory News (ATK)

NOTIFICATION ON APPOINTMENT IN RESPECT OF LR 9.6.13R

WS Atkins plc announces that, further to the appointment of Rodney Slater as a Non-Executive Director on 9 September 2011, he has confirmed that he has the following information to disclose in respect of Listing Rule 9.6.13R:

He was previously, but is no longer, a director of each of the following publicly quoted companies (all listed outside the United Kingdom):

·; Delta Airlines, Inc.

·; ICx Technologies, Inc.

·; Northwest Airlines Corporation

He has confirmed that there is no further information to disclose in respect of LR 9.6.13R.

Helen Baker

Deputy Company Secretary

+44 (0) 1372 752401

15 September 2011