Holding(s) in Company

London Stock Exchange Group PLC
03 November 2006

London Stock Exchange Group plc

3 November 2006

London Stock Exchange Group plc received the following letter from UBS on 3
November 2006.

Pursuant to Section 198 of the Companies Act 1985 we write to inform you that as
at the close of its business on 2 November 2006, UBS AG, acting through its
business group and legal entities detailed below, had an interest in 8,439,954
ordinary shares of London Stock Exchange Group plc, representing 3.95 per cent
of the issued share capital of the Company (213,641,890).


UBS business group/legal entity               Breakdown of position held (%)

UBS AG London Branch                          5,029,856 shares          2.35%

UBS Global Asset Management Life Limited      333,464 shares            0.16%

UBS AG (Switzerland)                          3,076,789 shares          1.44%

UBS AG - Total                                8,439,954 shares          3.95%



London Stock Exchange Group plc, name of contact and telephone number for
queries

Lisa Condron, Company Secretary Tel: [phone]

Name and signature of authorised company official responsible for making this
notification

Lisa Condron, Company Secretary



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