Holding(s) in Company

London Stock Exchange Plc
05 May 2005

                                  SCHEDULE 10

                   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 Global Investors Australia Ltd;                              43,290
Barclays Global Investors Ltd;                                     3,059,223
Gerrard Ltd;                                                           7,340
Barclays Global Fund Advisors;                                        65,081
Barclays Global Investors Japan Ltd;                                  61,272
Barclays Life Assurance Co Ltd;                                      246,123
Barclays Global Investors Japan Trust & Banking;                     306,041
Barclays Global Investors, N.A.;                                   1,947,508
Barclays Bank PLC; and                                             3,072,814
Barclays Capital Securities Ltd                                    3,800,491

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

Bank of Ireland                                                       35,630
Barclays Capital Nominees LIMITED                                  3,072,814
Barclays Capital Nominees LIMITED                                  3,800,491
Chase Nominees Ltd                                                   145,518
Investors Bank and Trust Co.                                          58,636
Investors Bank and Trust Co.                                       1,293,420
Investors Bank and Trust Co.                                           1,484
Investors Bank and Trust Co.                                         343,036
Investors Bank and Trust Co.                                          54,379
Investors Bank and Trust Co.                                           3,396
Investors Bank and Trust Co.                                           7,306
JP Morgan (BGI Custody)                                               92,920
JP Morgan (BGI Custody)                                              153,203
JP Morgan (BGI Custody)                                            2,724,259
JP Morgan (BGI Custody)                                              189,446
JP Morgan Chase Bank                                                  43,290
JP Morgan Chase Bank                                                   8,123
JP Morgan Chase Bank                                                   2,551
JP Morgan Chase Bank                                                   8,100
JP Morgan Chase Bank                                                   1,899
JP Morgan Chase Bank                                                  27,093
JP Morgan Chase Bank                                                   4,855
JP Morgan Chase Bank                                                  55,372
JP Morgan Chase Bank                                                 137,051
JP Morgan Chase Bank                                                  34,120
JP Morgan Chase Bank                                                  34,977
JP Morgan Chase Bank                                                  17,005
JP Morgan Chase Bank                                                      92
JP Morgan Chase Bank                                                   2,650
Mellon Trust - Boston & SF                                            33,950
Mitsubishi Trust International                                         1,801
R C Greig Nominees Limited a/c                                           454
R C Greig Nominees Limited GP1                                         6,886
State Street                                                           4,094
State Street Boston                                                  182,886
State Street Boston                                                   21,764
Wells Fargo Seattle - Wire Bank                                        4,232
                                                                                               
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

5 May 2005

12. Total holding following this notification

12,609,183

13. Total percentage holding of issued class following this notification

4.95%

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

5 May 2005

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for loss of business or loss of profits) arising in contract, tort or otherwise
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