Transaction in Own Shares

London Stock Exchange Group PLC
03 July 2007

                        London Stock Exchange Group plc



London Stock Exchange announces that on 3 July 2007 it acquired 82,327 of its
own ordinary shares of 6 79/86p each for cancellation at a price of 1364.7500
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