LONDON (Dow Jones)--Capita Group PLC (CPI.LN), the support services company, said Friday that it purchased 100,000 of its ordinary shares on July 22 at 737.50 pence per share which will be held as Treasury shares. -Shares closed Thursday at 737 pence valuing the company at GBP4.54 billion. -By Ian Walker, Dow Jones Newswires; 44-20-7842-9296; [email protected] (END) Dow Jones Newswires July 23, 2010 02:58 ET (06:58 GMT)