Director/PDMR Shareholding

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

Admiral the Lord Boyce, a director of WS Atkins plc (the "Company"), notified the Company on 22 June 2012, that on that day in London he purchased 1,000 ordinary shares of 0.5 pence each in the Company at a price of £6.88780 per share. The shares are held by Lord Boyce directly. The acquisition of 1,000 shares equated to 0.001% of the voting issued share capital.

Lord Boyce's total interest in shares following this notification is 3,500 ordinary shares, representing 0.0035% 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).

Ashley Gerrard

Company Secretarial Assistant - Graduate Trainee

Telephone: +44 (0) 1372 752576

25 June 2012