Director/PDMR Shareholding

Serco Group plc (the "Company") was notified that on 12 May 2010, its Chairman,
Mr Alastair Lyons, acquired a beneficial interest in 15,000 shares in the
Company following the purchase in the London market of those shares by his
spouse, Mrs Shauneen Lyons, at 632.97 pence per share.

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