RNS Number:5820R
London Stock Exchange Plc
03 November 2003

London Stock Exchange plc

31 October 2003

London Stock Exchange plc received the following letter from Fidelity
Investments on 31 October 2003

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 are held:                 London Stock Exchange plc

2.           Notifiable Interest:                              Ordinary Shares

(A)          FMR Corp.
             82 Devonshire Street
             Boston, MA 02109

             Parent holding company of Fidelity Management & Research Company (FMRCO), investment manager
             for US mutual funds, and Fidelity Management Trust Company (FMTC), a US state chartered bank
             which acts as a trustee or investment manager of various pension and trust accounts. (See
             Schedule A for listing of Registered Shareholders and their holdings).

 (B)         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) and Fidelity Pension Management (FPM), 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.

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 notifications 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 Company          Nominee/Registered Name
(Ordinary Shares)

                             3,216,477 FMRCO                       Chase Nominees Limited
                               318,723 FMRCO                       State Street Nominees Limited
                               688,600 FMRCO                       State Street Bank & Trust Company
                                14,100 FMRCO                       HSBC
                               140,300 FMTC                        State Street Bank & Trust
                                 6,900 FMTC                        State Street Nominees Ltd.
                                 4,900 FMTC                        Brown Brothers Harriman
                            10,923,757 FISL                        Chase Nominees
                               495,649 FISL                        Chase Manhattan Bank London
                                95,361 FPM                         Chase Nominees Ltd
                                66,600 FIL                         Chase Nominees
                             9,151,128 FIL                         HSBC Client Holdings Nominee (UK)
                                                                   Limited
                               324,090 FIL                         Deutsche Bank
                               768,360 FIL                         Chase Manhattan Bank London
                                46,500 FIL                         Mellon Nominees Ltd
                               118,800 FIL                         Bank of New York, Brussels
                               408,704 FIL                         Northern Trust
                                20,900 FIL                         JP Morgan
Total Ordinary              26,809,849
Shares
Current ownership                9.03%
percentage:
Shares in issue:           297,000,000
Change in holdings  +272,495 ordinary shares
since last filing:


Name of contact and telephone number for queries

Lisa Condron, Company Secretary Tel: 020 7797 3517

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
END

HOLEAEFDEEXDFFE