Holding(s) in Company

London Stock Exchange Plc
16 March 2006

London Stock Exchange plc

16 March 2006

London Stock Exchange plc received the following letter from UBS AG on 15 March
2006.

Pursuant to Section 198 of the Companies Act 1985 we write to inform you that as
at the close of its business on 13 March 2006, UBS AG, acting through its
business group and legal entities detailed below, had an interest in 15,875,746
ordinary shares of the London Stock Exchange, representing 6.20 per cent of the
issued share capital of the Company (256,230,499).

UBS business group/legal entity              Breakdown of position held (%)
                                          
UBS AG London Branch                         15,434,127 shares         6.02%

UBS Global Asset Management Life Limited     441,619 shares            0.17%

UBS AG - Total                               15,875,746 shares         6.20%


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



                      This information is provided by RNS
            The company news service from the London Stock Exchange   D

HOLEALDKFLAKEFE