Annual Information Update

In accordance with the requirements of Prospectus Rule 5.2, the following
summarises the information which has been published or made available to the
public by Serco Group plc (the "Company") over the previous 12 months up to and
including 30 April 2009.

This annual information update is required by and is being made pursuant to
Article 10 of the Prospectus Directive as implemented in the United Kingdom
(Prospectus Rule 5.2) and not for any other purpose and neither Serco Group
plc, nor any other person, takes any responsibility for, or makes any
representation, express or implied, as to the accuracy or completeness of the
information which it contains. This information is not necessarily up to date
as at the date of this annual information update and Serco Group plc does not
undertake any obligation to update any such information in the future. This
annual information update does not constitute an offer of any securities
addressed to any person and should not be relied upon by any person.

 1. Announcements made via a RIS
   
The documents listed below were published via a Regulatory Information Service
on or around the dates indicated.

Date            Description of Contents of Announcement                      
                                                                             
01/05/08        Director/PDMR Shareholding                                   
                                                                             
08/05/08        Holdings in Company                                          
                                                                             
13/05/08        AGM and Interim Management Statement                         
                                                                             
13/05/08        Serco Group plc - Results of Annual General Meeting 2008 -   
                Articles of Association                                      
                                                                             
14/05/08        Serco Group plc - Holdings in Company                        
                                                                             
15/05/08        Serco Group plc - Director/PDMR Shareholding                 
                                                                             
20/05/08        Serco Group plc - Total Voting Rights                        
                                                                             
21/05/08        Serco Group plc - Result of AGM - Amended Articles of        
                Association                                                  
                                                                             
03/06/08        Director/PDMR Shareholding                                   
                                                                             
06/06/08        Director/PDMR Shareholding                                   
                                                                             
20/06/08        Total Voting Rights                                          
                                                                             
30/06/08        Trading Statement                                            
                                                                             
10/07/08        Walsall Council and Serco sign GBP345m contract              
                                                                             
15/07/08        Holdings in Company                                          
                                                                             
21/07/08        Total Voting Rights                                          
                                                                             
20/08/08        Total Voting Rights                                          
                                                                             
27/08/08        Major Interests in Shares                                    
                                                                             
27/08/08        Acquisition of SI International                              
                                                                             
27/08/08        2008 Interim Results                                         
                                                                             
02/09/08        Major Interests in Shares                                    
                                                                             
04/09/08        Director/PDMR Shareholding                                   
                                                                             
29/09/08        Total Voting Rights                                          
                                                                             
10/10/08        Director/PDMR Shareholding                                   
                                                                             
17/10/08        Expiration of waiting period under Hart-Scott-Rodino Act     
                                                                             
20/10/08        Total Voting Rights                                          
                                                                             
06/11/08        Major Interests in Shares                                    
                                                                             
07/11/08        Director Declaration                                         
                                                                             
13/11/08        Acquisition(s)                                               
                                                                             
13/11/08        Interim Management Statement                                 
                                                                             
20/11/08        Total Voting Rights                                          
                                                                             
03/12/08        Holdings in Company                                          
                                                                             
08/12/08        Director/PDMR Shareholding                                   
                                                                             
10/12/08        Holdings in Company                                          
                                                                             
11/12/08        Acquisition(s)                                               
                                                                             
17/12/08        Additional Listing                                           
                                                                             
17/12/08        Pre-Close Trading Update                                     
                                                                             
18/12/08        Additional Listing                                           
                                                                             
24/12/08        Holdings in Company                                          
                                                                             
24/12/08        Serco and SI International receive CFIUS approval            
                                                                             
24/12/08        Holdings in Company                                          
                                                                             
30/12/08        Serco completes acquisition of SI International              
                                                                             
05/01/09        Total Voting Rights                                          
                                                                             
07/01/09        Additional Listing                                           
                                                                             
12/01/09        Holdings in Company                                          
                                                                             
14/01/09        Major Interests in Shares                                    
                                                                             
22/01/09        Director/PDMR Shareholding                                   
                                                                             
26/01/09        Block Listing - Interim Review                               
                                                                             
30/01/09        Serco and Guy's and St Thomas' sign partnership              
                                                                             
02/02/09        Total Voting Rights                                          
                                                                             
27/02/09        Final Results                                                
                                                                             
02/03/09        Total Voting Rights                                          
                                                                             
05/03/09        Holdings in Company                                          
                                                                             
16/03/09        Major Interests in Shares                                    
                                                                             
30/03/09        Director/PDMR Shareholding                                   
                                                                             
01/04/09        Major Interests in Shares                                    
                                                                             
01/04/09        Total Voting Rights                                          
                                                                             
02/04/09        Major Interests in Shares                                    
                                                                             
06/04/09        Major Interests in Shares                                    
                                                                             
07/0/408        Additional Listing                                           
                                                                             
08/04/09        Annual Financial Report                                      
                                                                             
15/04/09        Holdings in Company                                          
                                                                             
20/04/09        Holdings in Company                                          

All of the above documents are available for download on the Prices and News
section of the London Stock Exchange website, www.londonstockexchange.com, or
on the Company's website, www.serco.com.

 2. Documents filed at Companies House
   
The Company has submitted filings to Companies House in relation to the Annual
Report, AGM resolutions and new Articles of Association, the annual return, the
allotment of shares, the appointment of a director and the change in location
of the register of members. Copies of these documents can be found via the
Companies House website at www.companieshouse.gov.uk or if you are a registered
user, through Companies House Direct at www.direct.companieshouse.gov.uk.
Alternatively copies can be obtained from Companies House, Crown Way, Cardiff
CF14 3UZ.

 3. Documents provided to shareholders and the FSA
   
The documents below were sent to shareholders on or around the dates indicated.

Date            Document                                                     
                                                                             
27/08/08        Interim Report 2008                                          
                                                                             
08/04/09        Annual Review and Accounts 2008                              
                                                                             
08/04/09        Annual Review and Summary Financial Statement 2008           
                                                                             
08/04/09        Notice of the 2009 Annual General Meeting                    
                                                                             
08/04/09        Proxy form for the 2009 Annual General Meeting               

Copies of the above documents, along with the 2008 AGM special resolutions,
were also submitted to the UK Listing Authority which is situated at: The
Financial Services Authority, 25 The North Colonnade, Canary Wharf, London E14
5HS.

Copies of the above documents can be obtained from the Company Secretary, Serco
Group plc, Serco House, 16 Bartley Wood Business Park, Bartley Way, Hook,
Hampshire RG27 9UY.

 4. Further Information
   
Further information about the Company can be found at our website, 
www.serco.com.