Director/PDMR Shareholding

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

WS Atkins plc (the "Company") was notified on 26 August 2015 by the Trustee of the Atkins Share Incentive Plan (the "Plan") that on 25 August 2015 in London Dr. Martin Grant, a person discharging managerial responsibilities of the Company, acquired 41 ordinary shares in the Company of 0.5 pence each at £14.435495 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 49,121 ordinary shares, representing 0.049% of the voting issued share capital of WS Atkins plc.

The Company was also notified by the Trustee of the Plan on 26 August 2015 that on 25 August 2015 in London Prof. Dr. Uwe Krueger, a director and person discharging managerial responsibilities of the Company, acquired 9 ordinary shares in the Company of 0.5 pence each at £14.435495 following the reinvestment of dividends for shares held in the Plan. This acquisition equated to 0.000009% of the voting issued share capital.

Prof. Dr. Krueger's total interests in shares following these notifications is 60,701 ordinary shares, representing 0.061% 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).

Guy Holden

Company Secretariat

Telephone: +44 (0) 1372 756124

27 August 2015