Holding(s) in Company

London Stock Exchange Group PLC
12 January 2007


London Stock Exchange Group plc

12 January 2007


London Stock Exchange Group plc received the following letter from Credit Suisse
on 11January 2007.

This notification relates to the ordinary shares of the Company ('the shares')
and is given in fulfilment of the obligations imposed under section 198 of the
Companies Act 1985 ('the Act').

We hereby notify you that on 9 January 2007, following acquisitions, the Credit
Suisse ('CS') companies listed below (together the 'CS companies') held the
following interests in the issued share capital of the Company:

 1. Credit Suisse Securities (Europe) Limited ('CSSEL') 10,459,994 shares.  
    CSSEL held an interest in 259,411 of these shares under section 208(5) of 
    the Act by virtue of the right to redelivery of equivalent securities under 
    stock lending arrangements.

 2. Credit Suisse International ('CSi'): 210,986

The CS companies now hold a total interest of 10,670,980 shares being equivalent
to approximately 5.00% of the issued share capital of the Company.

Those Credit Suisse companies which are direct or indirect holding companies of
CSSEL and CSi are, under the terms of section 203 of the Act, each interested by
attribution in any shares in which CSSEL and CSi are interested.


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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