Director/PDMR Shareholding

Serco Group plc (the "Company") has been notified that, on 25 August 2010
Andrew Jenner, Finance Director, exercised 18,524 options, which had been
granted on 28 March 2001 under the Company's Executive Option Plan, at an
exercise price of 435 pence per share. The shares acquired on exercise were
sold on the London market at a price of 573.5 pence per share. On the same day
Mr Jenner and persons connected with him also sold 33,181 of the Company's
ordinary shares in the London market at 573.588 pence per share.

Mr Jenner has a beneficial interest in 289,574 ordinary shares in the Company,
with a value of 426% of his salary, and interests through the Company's
share-based incentive schemes in a further 1,231,221 shares in the Company.
This exceeds his requirement to hold shares valued at over 100% of salary.

In addition on the same day, Clive Barton, a person discharging managerial
responsibility, sold 87,300 of the Company's ordinary shares in the London
market at 573.588 pence per share.

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