Holding(s) in Company

London Stock Exchange Group PLC
03 July 2006

London Stock Exchange Group plc



3 July 2006



London Stock Exchange Group plc received the following letter from ING Wholesale
Banking on 3 July 2006.



I write to inform you that on 30 June 2006 ING Bank N.V. increased its holding
of ordinary shares in London Stock Exchange Group to 8,711,940.  We understand
that based on a number of shares in issue of 214,638,942, the holding amounts to
4.06% and is legal and beneficial.



We make this disclosure to you in accordance with our obligations under the
Companies Act.



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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