Transaction in Own Shares

London Stock Exchange Group PLC
22 February 2008

                        London Stock Exchange Group plc



London Stock Exchange announces that on 22 February 2008 it acquired 67,364 of
its own ordinary shares of 6 79/86p each for cancellation at a price of 1501.00
pence per share.



Further information is available from:


London Stock Exchange      Patrick Humphris - 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