In accordance with Prospectus Rule 5.2, WSP Group plc ('the Company') provides an Annual Information Update ('Update') and sets out below a summary of the information that has been published or made available to the public during the 12 months up to and including 15 April 2012.

The information referred to in this Update was up to date at the time it was published, but some of it may now be out of date. Full copies of each item can be found at the locations specified.

The following regulatory announcements have been made via a Regulatory Information Service and may be viewed on the London Stock Exchange website, http://www.londonstockexchange.com. Alternatively, they may be found in the investor relations section of the Company's website which can be accessed at http://www.wspgroup.com/ir/.

Date Announcement Heading
26/03/2012 Annual Financial Report
12/03/2012 Holding(s) in Company
28/02/2012 Holding(s) in Company
27/02/2012 Final Results
09/02/2012 Holding(s) in Company
27/01/2012 Holding(s) in Company
26/01/2012 Holding(s) in Company
05/01/2012 Blocklisting Interim Review
21/12/2011 Director/PDMR Shareholding
20/12/2011 Director/PDMR Shareholdings
20/12/2011 Pre-Close Trading Update & New Fin/cing Arrg/ments
15/12/2011 Second Price Monitoring Extn
15/12/2011 Price Monitoring Extension
21/11/2011 Holding(s) in Company
11/11/2011 Holding(s) in Company
03/11/2011 Interim Management Statement
07/10/2011 Holding(s) in Company
28/09/2011 Holding(s) in Company
07/09/2011 Director/PDMR Shareholding
06/09/2011 Holding(s) in Company
05/09/2011 Director/PDMR Shareholding
01/09/2011 Update re the Appointment of Ian Barlow
30/08/2011 Holding(s) in Company
30/08/2011 Holding(s) in Company
25/08/2011 Holding(s) in Company
23/08/2011 Holding(s) in Company
23/08/2011 Holding(s) in Company
12/08/2011 Holding(s) in Company
25/07/2011 Blocklisting Interim Review
25/07/2011 Half Year Results Announcement
28/06/2011 Pre-Close Trading Update and Chairman Appointment
18/05/2011 Holding(s) in Company
05/05/2011 Result of AGM
04/05/2011 Interim Management Statement
18/04/2011 Annual Information Update


The Company submitted the following filings to Companies House on or around the dates indicated.

Type Date Description
CH01 07/10/2011 DIRECTOR'S CHANGE OF PARTICULARS / ANDERS CARL INGVAR KARLSSON / 07/10/2011
MG01 03/10/2011 PARTICULARS OF A MORTGAGE OR CHARGE / CHARGE NO: 9
AP01 13/09/2011 DIRECTOR APPOINTED IAN EDWARD BARLOW
TM01 06/09/2011 APPOINTMENT TERMINATED, DIRECTOR DAVID TURNER
AR01 26/05/2011 18/05/11 FULL LIST
Latest SOC 26/05/2011 26/05/11 STATEMENT OF CAPITAL GBP 3191934.7
AD04 25/05/2011 REGISTER(S) MOVED FROM SAIL TO REGISTERED OFFICE 114-REG MEM
AA 12/05/2011 GROUP OF COMPANIES' ACCOUNTS MADE UP TO 31/12/10
RES10 11/05/2011 AUTHORISED ALLOTMENT OF SHARES AND DEBENTURES
RES13 11/05/2011 MAKE POLITICAL DONATIONS AND NOTICE OF GENERAL MEETING04/05/2011
RES09 11/05/2011 AUTHORITY- PURCHASE SHARES OTHER THAN FROM CAPITAL
RES11 11/05/2011 DISAPPLICATION OF PRE-EMPTION RIGHTS
Copies of these documents can be found on the Companies House website at: http://www.companieshouse.gov.uk/ or by contacting Companies House, Crown Way, Cardiff CF14 3UZ. The Company's Annual Report for the year ended 31 December 2011 together with a circular incorporating the Notice of the 2012 Annual General Meeting which were submitted to the National Storage Mechanism http://www.Hemscott.com/nsm.do on 26 March 2012 may also be found in the investor relations section of the Company's website which can be accessed at http://www.wspgroup.com/ir/.

This Update was published by the Company on the Regulatory Information Service and is available from the investor relations section of the Company's website which can be accessed at http://www.wspgroup.com/ir/. Copies of the documents referred to in it are also available for inspection at the Company's Registered Office, WSP House, 70 Chancery Lane, London WC2A 1AF during normal business hours.

Graham F Bisset

Company Secretary

16 April 2012

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