Director/PDMR Shareholding

NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS

WS Atkins plc (the "Company") was notified on 29 August 2013 by the Trustee of the Atkins Share Incentive Plan (the "Plan") that on 28 August 2013 in London Dr. Martin Grant, a person discharging managerial responsibilities of the Company, acquired 37 ordinary shares of 0.5 pence each in the Company at £11.748771 following the reinvestment of dividends for shares held in the Plan. This acquisition equated to 0.00004% of the voting issued share capital.

Dr. Grant's total interest in shares following this notification is 39,464 ordinary shares, representing 0.039% of the voting issued share capital of WS Atkins plc.

The Company was further notified on 29 August 2013 by the Trustee of the Plan that on 28 August 2013 in London Dr. Uwe Krueger, a director and person discharging managerial responsibilities of the Company, acquired 4 ordinary shares of 0.5 pence each in the Company at £11.748771 following the reinvestment of dividends for shares held in the Plan. This acquisition equated to 0.000004% of the voting issued share capital.

Dr. Krueger's total interest in shares following this notification is 20,959 ordinary shares, representing 0.021% of the voting issued share capital of WS Atkins plc.

The Company was further notified on 29 August 2013 by the Trustee of the Plan that on 28 August 2013 in London Mr. Richard Webster, a person discharging managerial responsibilities of the Company, acquired 25 ordinary shares of 0.5 pence each in the Company at £11.748771 following the reinvestment of dividends for shares held in the Plan. This acquisition equated to 0.00003% of the voting issued share capital.

Mr. Webster's total interest in shares following this notification is 1,369 ordinary shares, representing 0.001% of the voting issued share capital of WS Atkins plc.

This notice is given in fulfillment of the obligations under DTR 3.1.4R (1).

Carlie Nathan

Company Secretarial Administrator

Telephone: +44 (0) 1372 752127

30 August 2013