Holding(s) in Company

London Stock Exchange Plc
17 December 2004

                                  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 Fund Advisors;                                      73,914

Barclays Life Assurance Co Ltd;                                    249,930

Barclays Global Investors, N.A.;                                 1,974,664

Barclays Global Investors Ltd;                                   3,028,622

Barclays Global Investors Japan Trust & Banking;                   227,206

Barclays Bank PLC;                                                 857,142

Barclays Global Investors Japan Ltd;                                69,479

Barclays Capital Securities Ltd;                                 1,145,327

Barclays Global Investors Australia Ltd;                            40,912

Gerrard Ltd; and                                                    13,695

Barclays Stockbrokers Ltd                                          857,999



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                                                 45,198

Barclays Capital Nominees LIMI                                 857,142

Barclays Capital Nominees LIMI                               1,145,327

Chase Nominees Ltd                                             154,737

Investors Bank and Trust Co.                                     7,306

Investors Bank and Trust Co.                                     1,484

Investors Bank and Trust Co.                                 1,266,688

Investors Bank and Trust Co.                                     2,581

Investors Bank and Trust Co.                                    64,027

Investors Bank and Trust Co.                                   351,093

Investors Bank and Trust Co.                                    60,214

JP Morgan (BGI Custody)                                         96,727

JP Morgan (BGI Custody)                                        153,203

JP Morgan (BGI Custody)                                      2,739,158

JP Morgan (BGI Custody)                                        134,727

JP Morgan Chase Bank                                             7,515

JP Morgan Chase Bank                                            40,912

JP Morgan Chase Bank                                            27,093

JP Morgan Chase Bank                                             4,140

JP Morgan Chase Bank                                            31,330

JP Morgan Chase Bank                                             1,184

JP Morgan Chase Bank                                             1,653

JP Morgan Chase Bank                                             1,000

JP Morgan Chase Bank                                             2,650

JP Morgan Chase Bank                                            16,345

JP Morgan Chase Bank                                           130,128

JP Morgan Chase Bank                                            30,678

Mellon Trust - Boston & SF                                      37,335

Mitsubishi Trust International                                   1,192

R C Greig Nominees Limited a/c                                     454

R C Greig Nominees Limited GP1                                  11,498

R C Greig Nominees Limited SA1                                   1,743

State Street                                                     4,094

State Street Boston                                            223,891

State Street Boston                                             21,764

Wells Fargo Seattle - Wire Ban                                   4,680

Barclays Bank PLC                                              857,999


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


17 December 2004



12. Total holding following this notification


8,538,890



13. Total percentage holding of issued class following this notification


3.35%



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


17 December 2004



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