Holding(s) in Company

London Stock Exchange Plc
28 March 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 Australia Ltd                                                            36,553

Barclays Global Fund Advisors                                                                   1,007,131

Barclays Global Investors, N.A.                                                                 1,910,539

Gerrard Ltd                                                                                         3,695

Barclays Global Investors Japan Ltd                                                                24,447

Barclays Global Investors Japan Trust & Banking                                                   286,102

Barclays Global Investors Ltd                                                                   2,981,770

Barclays Private Bank and Trust Ltd                                                                 2,142

Barclays Capital Securities Ltd                                                                   123,009

Barclays Global Investors Canada Ltd                                                               16,475

Barclays Life Assurance Co Ltd                                                                    303,683

Barclays Bank PLC                                                                               6,786,489



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                                                                  46,629

Barclays Capital Nominees Limited                                                                 -45,808

Barclays Capital Nominees Limited                                                                 122,572

Barclays Capital Nominees Limited                                                                    -384

Barclays Capital Nominees Limited                                                               6,786,489

Barclays Global Investors Canada                                                                   16,475

BNP Paribas                                                                                           886

Boiss Nominees Ltd                                                                                154,052

Chase Nominees Ltd                                                                                137,477

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.                                                                        4,077

Investors Bank and Trust Co.                                                                       45,890

Investors Bank and Trust Co.                                                                      272,345

Investors Bank and Trust Co.                                                                       23,812

Investors Bank and Trust Co.                                                                       14,572

Investors Bank and Trust Co.                                                                        2,521
Investors Bank and Trust Co.
                                                                                                   31,876
Investors Bank and Trust Co.
                                                                                                1,293,814
Investors Bank and Trust Co.
                                                                                                    6,360
Investors Bank and Trust Co.
                                                                                                   13,099
Investors Bank and Trust Co.
                                                                                                    1,009
Investors Bank and Trust Co.
                                                                                                  934,320
Investors Bank and Trust Co.
                                                                                                   65,505
Investors Bank and Trust Co.
                                                                                                    7,306
JP Morgan (BGI Custody)
                                                                                                   74,422
JP Morgan (BGI Custody)
                                                                                                  145,061
JP Morgan (BGI Custody)
                                                                                                2,485,945
JP Morgan (BGI Custody)
                                                                                                  200,238
JP Morgan Chase Bank
                                                                                                    8,100
JP Morgan Chase Bank
                                                                                                   27,093
JP Morgan Chase Bank
                                                                                                   15,902
JP Morgan Chase Bank
                                                                                                    1,899
JP Morgan Chase Bank
                                                                                                   27,785
JP Morgan Chase Bank
                                                                                                  136,478
JP Morgan Chase Bank
                                                                                                    2,650
JP Morgan Chase Bank
                                                                                                   12,178
JP Morgan Chase Bank
                                                                                                    7,928
JP Morgan Chase Bank
                                                                                                   36,070
JP Morgan Chase Bank
                                                                                                   34,120
JP Morgan Chase Bank
                                                                                                    2,551
JP Morgan Chase Bank
                                                                                                   12,815
JP Morgan Chase Bank
                                                                                                   23,738
Mellon Trust - US Custodian /
                                                                                                   19,603
Mellon Trust - US Custodian /
                                                                                                    1,505
Mellon Trust of New England
                                                                                                    1,706
Mitsui Asset
                                                                                                    3,153
Northern Trust Bank - BGI SEPA
                                                                                                    1,988
Northern Trust Bank - BGI SEPA
                                                                                                      490
Northern Trust Bank - BGI SEPA
                                                                                                    2,138
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
                                                                                                  141,957
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



28 March 2006


12. Total holding following this notification



13,482,035


13. Total percentage holding of issued class following this notification



5.26%


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



28 March 2006


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