Holding(s) in Company

London Stock Exchange Plc
26 April 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 Life Assurance Co Ltd                                                                    299,189

Barclays Bank PLC                                                                               1,611,795

Barclays Global Investors Ltd                                                                   2,868,269

Barclays Global Investors Canada Ltd                                                               18,063

Barclays Global Investors Japan Ltd                                                                24,775

Barclays Global Investors Australia Ltd                                                            36,190

Barclays Capital Securities Ltd                                                                    44,048

Barclays Global Investors, N.A.                                                                 1,920,478

Barclays Global Fund Advisors                                                                   1,065,940

Barclays Global Investors Japan Trust & Banking                                                   288,928

Gerrard Ltd                                                                                           445

Barclays Private Bank and Trust Ltd                                                                 2,142





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                                                                  65,029

Barclays Capital Nominees Limited                                                                 -48,630

Barclays Capital Nominees Limited                                                                  92,678

Barclays Capital Nominees Limited                                                                 -65,029

Barclays Capital Nominees Limited                                                               1,611,795

Barclays Global Investors Canada                                                                   18,063

BNP Paribas                                                                                           886

Boiss Nominees Ltd                                                                                154,052

Chase Nominees Ltd                                                                                125,176

Chase Nominees Ltd                                                                                  4,058

Chase Nominees Ltd                                                                                 84,200

CIBC Mellon Global Securities                                                                         625

Clydesdale Nominees HGB0225                                                                         2,142

Investors Bank and Trust Co.                                                                       14,572

Investors Bank and Trust Co.                                                                        4,077

Investors Bank and Trust Co.                                                                       23,812

Investors Bank and Trust Co.                                                                       29,675

Investors Bank and Trust Co.                                                                        2,521

Investors Bank and Trust Co.                                                                       11,448
Investors Bank and Trust Co.
                                                                                                1,312,932
Investors Bank and Trust Co.
                                                                                                   13,099
Investors Bank and Trust Co.
                                                                                                    1,009
Investors Bank and Trust Co.
                                                                                                  270,358
Investors Bank and Trust Co.
                                                                                                   45,890
Investors Bank and Trust Co.
                                                                                                  982,410
Investors Bank and Trust Co.
                                                                                                   76,224
Investors Bank and Trust Co.
                                                                                                    7,306
JP Morgan (BGI Custody)
                                                                                                   69,928
JP Morgan (BGI Custody)
                                                                                                  145,061
JP Morgan (BGI Custody)
                                                                                                2,384,745
JP Morgan (BGI Custody)
                                                                                                  200,238
JP Morgan Chase Bank
                                                                                                    8,324
JP Morgan Chase Bank
                                                                                                    1,899
JP Morgan Chase Bank
                                                                                                   27,093
JP Morgan Chase Bank
                                                                                                  137,795
JP Morgan Chase Bank
                                                                                                    2,551
JP Morgan Chase Bank
                                                                                                   27,785
JP Morgan Chase Bank
                                                                                                   36,553
JP Morgan Chase Bank
                                                                                                   34,647
JP Morgan Chase Bank
                                                                                                   12,677
JP Morgan Chase Bank
                                                                                                    7,928
JP Morgan Chase Bank
                                                                                                   15,444
JP Morgan Chase Bank
                                                                                                    2,650
JP Morgan Chase Bank
                                                                                                   12,815
JP Morgan Chase Bank
                                                                                                   23,375
Mellon Trust - US Custodian /
                                                                                                    1,505
Mellon Trust - US Custodian /
                                                                                                   19,603
Mellon Trust of New England
                                                                                                    1,706
Mitsui Asset
                                                                                                    3,939
Northern Trust Bank - BGI SEPA
                                                                                                    1,988
Northern Trust Bank - BGI SEPA
                                                                                                    2,138
Northern Trust Bank - BGI SEPA
                                                                                                      490
R C Greig Nominees Limited GP1
                                                                                                      445
State Street Bank & Trust - WI
                                                                                                    1,833
State Street Boston
                                                                                                  131,654
State Street Trust of Canada -
                                                                                                    1,403
The Northern Trust Company - U
                                                                                                      984
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



26 April 2006


12. Total holding following this notification



8,180,262


13. Total percentage holding of issued class following this notification



3.19%


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



26 April 2006


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