Total Voting Rights

SERCO GROUP PLC: VOTING RIGHTS AND CAPITAL

In conformity with Rule 5.6.1 of the Financial Services Authority's Disclosure
Rules and Transparency Rules, Serco Group plc (the "Company") is required to
notify the market of the following:

As at 31 December 2011 the Company's issued share capital consisted of
497,327,070 ordinary shares of 2p each with voting rights. The Company holds no
shares in treasury. Therefore the total number of voting rights in the Company
as at 31 December 2011 was 497,327,070 (the "Voting Rights Figure").

The Voting Rights Figure 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, the Company under the FSA's
Disclosure Rules and Transparency Rules.