Holding(s) in Company

London Stock Exchange Plc
23 February 2006

                   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 Japan Trust & Banking                                                   293,997
Barclays Capital Securities Ltd                                                                    43,375
Barclays Global Investors Japan Ltd                                                                24,446
Barclays Global Investors, N.A.                                                                 1,870,262
Gerrard Ltd                                                                                         5,484
Barclays Life Assurance Co Ltd                                                                    303,683
Barclays Global Investors Canada Ltd                                                               16,475
Barclays Global Investors Australia Ltd                                                            24,731
Barclays Global Investors Ltd                                                                   3,117,222
Barclays Bank PLC                                                                               3,625,436
Barclays Global Fund Advisors                                                                     967,198

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 New York                                                                                   17,946
Barclays Capital Nominees Limited                                                                  24,719
Barclays Capital Nominees Limited                                                                  -1,973
Barclays Capital Nominees Limited                                                                  20,629
Barclays Capital Nominees Limited                                                               3,625,436
Barclays Global Investors Canada                                                                   16,475
Boiss Nominees Ltd                                                                                147,035
Chase Nominees Ltd                                                                                137,477
Chase Nominees Ltd                                                                                 21,310
Chase Nominees Ltd                                                                                 84,200
Investors Bank and Trust Co.                                                                       55,800
Investors Bank and Trust Co.                                                                      904,092
Investors Bank and Trust Co.                                                                        7,306
Investors Bank and Trust Co.                                                                       44,919
Investors Bank and Trust Co.                                                                        2,150
Investors Bank and Trust Co.                                                                       25,829
Investors Bank and Trust Co.                                                                        2,521
Investors Bank and Trust Co.                                                                        6,360
Investors Bank and Trust Co.                                                                    1,313,687
Investors Bank and Trust Co.                                                                      272,033
Investors Bank and Trust Co.                                                                       14,572
JP Morgan (BGI Custody)                                                                            74,422
JP Morgan (BGI Custody)                                                                           145,061
JP Morgan (BGI Custody)                                                                         2,611,162
JP Morgan (BGI Custody)                                                                           200,238
JP Morgan Chase Bank                                                                                2,551
JP Morgan Chase Bank                                                                               36,070
JP Morgan Chase Bank                                                                                7,928
JP Morgan Chase Bank                                                                              136,478
JP Morgan Chase Bank                                                                               35,680
JP Morgan Chase Bank                                                                               12,178
JP Morgan Chase Bank                                                                               34,120
JP Morgan Chase Bank                                                                                1,899
JP Morgan Chase Bank                                                                               27,093
JP Morgan Chase Bank                                                                               15,901
JP Morgan Chase Bank                                                                                2,650
JP Morgan Chase Bank                                                                                8,100
JP Morgan Chase Bank                                                                               24,731
Mellon Trust - US Custodian /                                                                      19,603
Mitsui Asset                                                                                        3,153
R C Greig Nominees Limited                                                                          2,050
R C Greig Nominees Limited a/c AK1                                                                    835
R C Greig Nominees Limited a/c BL1                                                                    454
R C Greig Nominees Limited GP1                                                                      2,145
State Street Boston                                                                               142,542
Trust & Custody Services Bank                                                                       2,742

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

22 February 2006

12. Total holding following this notification

10,292,309

13. Total percentage holding of issued class following this notification

4.04%

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

23 February 2006


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