Holding in Company

London Stock Exchange Plc
12 September 2001

London Stock Exchange plc

12 September 2001

London Stock Exchange plc received the following letter from Fidelity
Investments on 11 September 2001

Enclosed are amended notifications of disclosable interests under the U.K.
Companies Act 1985. Please note that while this information details the
disclosable interests of more than one entity, the enclosed disclosure
constitutes separate notifications of interest which have been combined solely
for purposes of clarity and efficiency. It is not intended to indicate that
any of these entities act as a group or in concert with respect to these
interests.

These disclosures are made in the interest of conformity with the Companies
Act. The Interest detailed herein was acquired solely for investment purposes.
For disclosure purposes, holdings should be represented as FMR Corp. and its
direct and indirect subsidiaries and Fidelity International Limited (FIL) and
its direct and indirect subsidiaries, both being non-beneficial holders.

Notifications under Sections 198 to 202 - UK Companies Act

1.  Company in which shares  London Stock Exchange plc
    are held:

2.  Notifiable Interest:     Ordinary Shares

    FMR Corp.
    82 Devonshire Street
    Boston MA 02019

    Parent holding company of Fidelity Management & Research Company (FMRCO),
    investment manager of US mutual funds. (See Schedule A for listing of
    Registered Shareholders and their holdings).

    Fidelity International
    Limited (FIL)
    P.O. Box HM 670
    Hamilton HMCX, Bermuda

    Parent holding company for various direct and indirect subsidiaries,
    including Fidelity Investment Services Ltd. (FISL), investment managers for
    various non-US investment companies and institutional clients. (See
    Schedule A for listing of Registered Shareholders and their holdings.)

3.  The notifiable interests also comprise the notifiable interest of:

    Mr. Edward C. Johnson 3d
    82 Devonshire Street
    Boston, MA 02109

    Principal shareholder of FMR Corp and Fidelity International Limited.

4.  The notifiable interests include interest held on behalf of authorised unit
    trust schemes in the U.K., notwithstanding the exemption from reporting
    pursuant to Section 209 (1)(h) of the Companies Act 1985 ('the Act').

5.  These notifications of disclosable interests constitute separate
    notifications of interest in the shares and are combined solely for the
    purposes of clarity. Nothing herein should be taken to indicate that FMR
    Corp and its direct and indirect subsidiaries, Fidelity International
    Limited and its direct and indirect subsidiaries or Mr. Edward C. Johnson
    3d act as a group or in concert in respect of the disclosed interests, or
    that they are required to submit these notification on a joint basis.

6.  The disclosable interests arise under section 208 (4) (b) of the Act,
    namely where a person, not being the registered holder, is entitled to
    exercise a right conferred by the holding of the shares or to control the
    exercise of such rights, or under section 203 of the Act respectively.


 Schedule A
               Shares Held   Management      Nominee/Registered Name
                             Company
(Ordinary
Shares)
               3,020,377     FMRCO           Chase Nominees Limited

               86,623        FMRCO           State Street Nominees Limited

               9,118,070     FISL            Clydesdale Bank (Head Office)
                                             Nominees Limited

               652,000       FIL             Clydesdale Bank (Head Office)
                                             Nominees Limited

               9,760,703     FIL             HSBC

Total Ordinary 22,637,773
Shares

Current        7.62%
ownership
percentage:    
Shares in      297,000,000
issue


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