Rule 2.10 Announcement

London Stock Exchange Plc
21 February 2006



LONDON STOCK EXCHANGE PLC

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN OR INTO CANADA OR JAPAN

21 February 2006

RULE 2.10 ANNOUNCEMENT

London Stock Exchange plc announces, in accordance with Rule 2.10 of the City
Code on Takeovers and Mergers, that subsequent to an issue of  28,777 ordinary
shares under the London Stock Exchange Share Scheme, its issued share capital as
at close of business on 20 February 2006 comprised 255,105,597 ordinary shares
of 55/6pence each.

The International Securities Identification Number is GB00B0167W72




END




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