Transaction in Own Shares

London Stock Exchange Group PLC
11 April 2007


                        London Stock Exchange Group plc



London Stock Exchange announces that on 11 April 2007 it acquired 260,000 of its
own ordinary shares of 6 79/86p each for cancellation at a price of 1241.6092
pence per share.

Further information is available from:


London Stock Exchange         John Wallace - Media                 020 7797 1222
                              Paul Froud - Investor Relations      020 7797 3322






                      This information is provided by RNS
            The company news service from the London Stock Exchange