Holding(s) in Company

London Stock Exchange Plc
16 August 2005

London Stock Exchange plc

16 August 2005

London Stock Exchange plc received the following letter from UBS AG on 15 August
2005.

Pursuant to Section 198 of the Companies Act 1985 we write to inform you that as
at the close of its business on 12 August 2005, UBS AG, acting through its
business group and legal entities detailed below, had an interest in 17,743,756
ordinary shares of the London Stock Exchange, representing 6.97 per cent of the
issued share capital of the Company (254,571,428).

2,112,000 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                        17,297,499 shares              6.79%

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

UBS AG - Total                              17,743,756 shares              6.97%


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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