Pre-Close Trading Update

Pre-Close Trading Update

29 June 2010

Ahead of meetings with analysts prior to its half year end on 30 June 2010,
Serco Group plc (Serco) reconfirms the guidance given in its Interim Management
Statement on 11 May 2010. We remain on track to deliver our financial guidance
for 2010, which is for continued strong organic revenue growth and further
progress this year towards our 2012 margin guidance.

Our expectation of continued strong performance in 2010 is supported by our
high revenue visibility and substantial order book, recent new contract starts,
continued expansion of scope and scale in our existing contracts, and a full
year contribution from a number of major contracts which started during 2009.

Our substantial capabilities and strong track record of high-quality delivery
mean that we are well positioned to help our customers around the world address
the significant financial and operational challenges they face. The
opportunities we see to improve productivity and achieve significant
efficiencies for them in the delivery of front-line essential services, across
both existing and new markets, continue to give us confidence in our prospects
for the future.

Ends

For further information please contact Serco:

Charles King, Head of Investor Relations T [phone]

Dominic Cheetham, Director of Corporate Communications T [phone]

Marcus De Ville, Head of Media Relations T [phone]

2010 Half Year Results and 2009 Segmental Information

We will release our 2010 half year results on 25 August 2010. In these results,
segmental information will be reported to correspond with the five new
divisions we created at the start of 2010. Ahead of this, we are today
publishing on www.serco.com segmental income statement information for these
five new divisions, for the six months ended 30 June 2009 and the year ended 31
December 2009.

About Serco

Serco is a FTSE 100 international service company, which combines commercial
know-how with a deep public service ethos.

We improve essential services by managing people, processes, technology and
assets more effectively. We advise policy makers, design innovative solutions,
integrate systems and - most of all - deliver to the public.

Serco supports governments, agencies and companies who seek a trusted partner
with a solid track record of providing assured service excellence. Our people
offer operational, management and consulting expertise in the aviation, BPO,
defence, education, environmental services, facilities management, health, home
affairs, information and communications technology, knowledge services, local
government, science, transport, welfare to work and the commercial sectors.

More information can be found at www.serco.com

Financial Guidance

Our projections are that, by the end of 2012, our revenue will increase to
approximately £5bn and our Adjusted operating profit margin to approximately
6.3%, excluding material acquisitions, disposals and currency effects, based on
2008 exchange rates.

In 2010, we expect continued strong organic revenue growth and further progress
towards our 2012 margin guidance.