New York, May 10, 2006 — Following on the earlier announcement The Nasdaq Stock Market, Inc. (“NASDAQ”) announces that it has acquired a further 3,500,000 shares in London Stock Exchange plc (“LSE”) for a price of 1,248 pence per share. The consideration represents approximately GBP 43.7 million (c. US$ 81.4 million).

In addition to the 58,181,720 shares previously purchased, this acquisition takes NASDAQ's holding in LSE to 61,681,720 shares or c. 24.1% of the issued share capital of LSE.

Enquiries

NASDAQ Corporate Communications Tel: + 1 (212) 401-8714
Bethany Sherman

Gavin Anderson & Company Tel: + 44 (0)20 7554 1403/1405
Richard Constant

Greenhill & Co. International LLP (Financial adviser to NASDAQ) Tel: + 44 (0)20 7440 0400
Simon Borrows

Dresdner Kleinwort Wasserstein Securities Limited (Broker to NASDAQ) Tel: + 44 (0)20 7623 8000
Angus Kerr

Greenhill & Co. International LLP (“Greenhill & Co.”), which is regulated by the Financial Services Authority, is acting for NASDAQ in connection the transaction and for no one else and will not be responsible to anyone other than NASDAQ for providing the protections afforded to customers of Greenhill & Co. nor for providing advice in relation to the transaction.

Dresdner Kleinwort Wasserstein Securities Limited, which is authorized and regulated by the Financial Services Authority, is acting in the capacity of corporate broker for NASDAQ in connection the transaction and for no one else and will not be responsible to anyone other than NASDAQ for providing the protections afforded to customers of Dresdner Kleinwort Wasserstein Securities Limited nor for providing advice in relation to the transaction.

# # #