Director/PDMR Shareholding

Serco Group plc (the "Company") was notified that, on 21 April 2011, the
individuals below, each a person discharging managerial responsibility,
exercised nil cost conditional share awards and entered into transactions in
the Company's ordinary shares as detailed in the table below. The shares that
were sold on the London Market were sold at 559.5 pence per share.

Details of the exercise and sale transactions are as follows:-

                         Options    Shares    Shares
                       exercised      sold  retained
                                                    
Ed Casey                   7,602     2,373     5,229
                                                    
Guy Leach                  7,070     3,680     3,390
                                                    
Robert McGuiness           7,177     3,736     3,441
                                                    
Tom Riall                  6,508     3,387     3,121

This notice is given in fulfilment of obligations under DTR3.1.2R and DTR3.1.4R
(1)(a).