Holding(s) in Company

London Stock Exchange Group PLC
22 June 2006


London Stock Exchange Group plc

22 June 2006


London Stock Exchange Group plc received the following letter from ING Wholesale
Banking on 22 June 2006.

I write to inform you that on 21 June 2006 ING Bank N.V. increased its holding
of ordinary shares in London Stock Exchange Group to 6,592,893.  We understand
that based on a number of shares in issue of 214,638,942, the holding amounts to
3.07% and is legal and beneficial.

Given that our holding now exceeds 3%, 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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