Director/PDMR Shareholding

Serco Group was informed 29 February 2008, that on 27 February 2008 the
Directors of Serco Group and other senior executives (persons discharging
managerial responsibilities were granted options to acquire the number ordinary
shares of 2p each in the Company shown opposite their names below at £4.55 per
share through participation in the Serco Group plc 2005 Executive Option Plan:

Directors

Christopher Hyman                          123,076                           
                                                                             
Andrew Jenner                              75,824                            
                                                                             
Grant Rumbles                              70,329                            

Persons Discharging Managerial Responsibilities

Andrew White                               33,846                            
                                                                             
Clive Barton                               30,769                            

This notice is given in fulfilment of the obligation under section 324(5) of
the Companies Act 1985 and DR 3.1.2.R.