Total Voting Rights

SERCO GROUP PLC: VOTING RIGHTS AND CAPITAL

In conformity with the Transparency Directive's transitional provision 6 we
would like to notify the market of the following:

Serco Group plc's capital consists of 483,835,483 ordinary shares with voting
rights.

Therefore the total number of voting rights in Serco Group plc as at 21 August
2007 is 483,835,483.

The above figure of 483,835,483 may be used by shareholders as the denominator
for the calculations by which they will determine if they are required to
notify their interest in, or a change to their interest in, Serco Group plc
under the FSA's Disclosure and Transparency Rules.