Rule 2.10 Announcement

London Stock Exchange Plc
16 August 2005



LONDON STOCK EXCHANGE PLC

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN OR INTO THE UNITED STATES,
CANADA, AUSTRALIA OR JAPAN

16 August 2005

RULE 2.10 ANNOUNCEMENT

London Stock Exchange plc announces, in accordance with Rule 2.10 of the City
Code on Takeovers and Mergers, that as at the close of business on 15 August
2005 its issued share capital consisted of 254,571,428 ordinary shares of 55/
6pence each.

The International Securities Identification Number is GB00B0167W72




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