Director/PDMR Shareholding

Serco Group plc (the "Company") was notified on 21 May 2012 that, on 18 May
2012, the individuals below, each a person discharging managerial
responsibility, purchased the number of ordinary shares in the Company shown
below opposite their names at a price of 517.7962p to be held as Investment
Shares; details of the associated Matching Share award, granted on 21 May 2012,
under the terms of the Company's Deferred Bonus Plan is also detailed below:

                      Investment               Matching
                          Shares            Share Award
                                                       
Seraj Taiyeb              11,587                 48,621
                                                       
Guy Leach                 10,046                 42,155
                                                       
Geoff Lloyd                8,089                 33,943
                                                       
Jeremy Stafford            6,490                 27,235
                                                       
Robert McGuiness          11,985                 50,290
                                                       
Tom Riall                  9,459                 39,691

Further to the announcement on 8 March 2012 relating to the purchase of
Investment Shares by the Executive Directors on the 7 March 2012, the Company
now advises that on 21 May 2012 a Matching Share award was made under the terms
of the Company's Deferred Bonus Plan over the number of shares shown below
opposite their names:

Chris Hyman             170,935
                               
Andrew Jenner            87,010

The number of shares which will vest under the Deferred Bonus Plan is
conditional upon the satisfaction of an EPS growth performance measure over a
three-year performance period ending 31 December 2014. The range for the
performance period has been set at annual compound EPS growth of 5.5% at
threshold to 10.5% at maximum. The definition of EPS is basic EPS excluding
material acquisitions, disposals, currency movements and before amortisation on
acquired intangibles and acquisition-related costs.

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