Holding(s) in Company

London Stock Exchange Plc
29 June 2005

London Stock Exchange plc



29 June 2005



London Stock Exchange plc received the following letter from UBS AG on 28 June
2005.



Pursuant to Section 198 of the Companies Act 1985 we write to inform you that as
at the close of its business on 27 June 2005, UBS AG, acting through its
business group and legal entities detailed below, had a MATERIAL interest in
13,114,030 ordinary shares of the London Stock Exchange, representing 5.15 per
cent of the issued share capital of the Company (254,571,428).



512,000 of the Relevant Shares are shares in which UBS AG is interested by
virtue of Section 208(5) of The Act.


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


UBS AG London Branch                             12,667,773 shares         4.97%


UBS Global Asset Management Life Limited         446,257 shares            0.18%


UBS AG - Total                                   13,114,030 shares         5.15%





London Stock Exchange 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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