Holding(s) in Company

London Stock Exchange Plc
20 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 Global Fund Advisors                                                                   1,053,757
Barclays Global Investors Australia Ltd                                                            36,190
Barclays Private Bank and Trust Ltd                                                                 2,142
Barclays Global Investors Canada Ltd                                                               17,672
Gerrard Ltd                                                                                         3,695
Barclays Global Investors Japan Trust & Banking                                                   288,429
Barclays Life Assurance Co Ltd                                                                    303,683
Barclays Bank PLC                                                                               3,982,479
Barclays Global Investors Ltd                                                                   2,868,269
Barclays Capital Securities Ltd                                                                   106,917
Barclays Global Investors Japan Ltd                                                                24,775
Barclays Global Investors, N.A.                                                                 1,927,033



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                                                                31,629
Barclays Capital Nominees Limited                                                               -16,629
Barclays Capital Nominees Limited                                                                  -761
Barclays Capital Nominees Limited                                                                92,678
Barclays Capital Nominees Limited                                                             3,982,479
Barclays Global Investors Canada                                                                 17,672
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.                                                                      1,009
Investors Bank and Trust Co.                                                                      2,521
Investors Bank and Trust Co.                                                                     14,572
Investors Bank and Trust Co.                                                                    274,936
Investors Bank and Trust Co.                                                                     31,876
Investors Bank and Trust Co.                                                                     23,812
Investors Bank and Trust Co.                                                                     13,099
Investors Bank and Trust Co.                                                                     45,890
Investors Bank and Trust Co.                                                                      4,077
Investors Bank and Trust Co.                                                                     11,448
Investors Bank and Trust Co.                                                                  1,312,932
Investors Bank and Trust Co.                                                                    971,418
Investors Bank and Trust Co.                                                                     75,033
Investors Bank and Trust Co.                                                                      7,306
JP Morgan (BGI Custody)                                                                          74,422
JP Morgan (BGI Custody)                                                                         145,061
JP Morgan (BGI Custody)                                                                       2,384,745
JP Morgan (BGI Custody)                                                                         200,238
JP Morgan Chase Bank                                                                              8,100
JP Morgan Chase Bank                                                                              1,899
JP Morgan Chase Bank                                                                             27,093
JP Morgan Chase Bank                                                                             34,647
JP Morgan Chase Bank                                                                              2,551
JP Morgan Chase Bank                                                                             12,178
JP Morgan Chase Bank                                                                             27,785
JP Morgan Chase Bank                                                                             36,553
JP Morgan Chase Bank                                                                            137,795
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 /                                                                    19,603
Mellon Trust - US Custodian /                                                                     1,505
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                                                                        1,550
R C Greig Nominees Limited GP1                                                                    2,145
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



20 April 2006


12. Total holding following this notification



10,615,041


13. Total percentage holding of issued class following this notification



4.14%


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



20 April 2006


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