Transaction in Own Shares

London Stock Exchange Group PLC
29 April 2008






                        London Stock Exchange Group plc


London Stock Exchange announces that on 29 April 2008 it acquired 71,000 of its
own ordinary shares of 6 79/86p each for cancellation at a price of 1075.0945
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