Holding(s) in Company

London Stock Exchange Plc
07 October 2005


                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

London Stock Exchange plc


2. Name of shareholder having a major interest

Barclays PLC through the legal entities below:                        Holding

Barclays Bank PLC                                                   2,903,319
Barclays Capital Securities Ltd                                       366,616
Barclays Global Investors Ltd                                       3,080,575
Barclays Global Fund Advisors                                       1,015,151
Gerrard Ltd                                                             5,484
Barclays Global Investors Japan Trust & Banking                       298,840
Barclays Life Assurance Co Ltd                                        310,239
Barclays Global Investors Japan Ltd                                    22,535
Barclays Global Investors Australia Ltd                                40,761
Barclays Global Investors, N.A.                                     1,851,038
Barclays Global Investors Canada Ltd                                   11, 968


3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

Not disclosed


4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

Registered Holder                                                     Holding

Barclays Capital Nominees Limited                                   2,903,319
Barclays Capital Nominees Limited                                     366,616
Barclays Global Investors Canada                                       11,968
Boiss Nominees Ltd                                                    106,070
Chase Nominees Ltd                                                    137,477
Chase Nominees Ltd                                                     95,694
Investors Bank and Trust Co.                                          957,888
Investors Bank and Trust Co.                                           49,957
Investors Bank and Trust Co.                                            7,306
Investors Bank and Trust Co.                                           44,919
Investors Bank and Trust Co.                                           13,656
Investors Bank and Trust Co.                                          288,850
Investors Bank and Trust Co.                                        1,298,346
Investors Bank and Trust Co.                                            2,544
Investors Bank and Trust Co.                                            2,521
JP Morgan (BGI Custody)                                                78,110
JP Morgan (BGI Custody)                                               136,435
JP Morgan (BGI Custody)                                             2,651,868
JP Morgan (BGI Custody)                                               185,160
JP Morgan Chase Bank                                                   40,761
JP Morgan Chase Bank                                                    2,551
JP Morgan Chase Bank                                                   34,120
JP Morgan Chase Bank                                                   36,070
JP Morgan Chase Bank                                                  135,111
JP Morgan Chase Bank                                                   45,945
JP Morgan Chase Bank                                                    7,928
JP Morgan Chase Bank                                                    8,123
JP Morgan Chase Bank                                                    1,899
JP Morgan Chase Bank                                                   27,093
JP Morgan Chase Bank                                                    8,100
JP Morgan Chase Bank                                                       76
JP Morgan Chase Bank                                                   16,656
JP Morgan Chase Bank                                                    2,650
Mellon Trust - US Custodian /                                          19,603
Mitsui Asset                                                            3,153
R C Greig Nominees Limited                                              2,050
R C Greig Nominees Limited a/c                                            835
R C Greig Nominees Limited a/c                                            454
R C Greig Nominees Limited GP1                                          2,145
State Street Boston                                                    18,881
State Street Boston                                                   153,618


5. Number of shares / amount of stock acquired

Not disclosed


6. Percentage of issued class

Not disclosed


7. Number of shares / amount of stock disposed

Not disclosed


8. Percentage of issued class

Not disclosed


9. Class of security

Ordinary Shares


10. Date of transaction

Not disclosed


11. Date company informed

7 October 2005


12. Total holding following this notification

9,906,526


13. Total percentage holding of issued class following this notification

3.89%


14. Any additional information

N/A


15. Name of contact and telephone number for queries

Lisa Condron, 020 7797 3517


16. Name and signature of authorised company official responsible for making
this notification

Lisa Condron


Date of notification

7 October 2005


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for loss of business or loss of profits) arising in contract, tort or otherwise
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it, or from any action or decision taken as a result of using this document or
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