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Euronext Confirms Discussions With London Stock Exchange

Date 20/12/2004

Following the announcement by the London Stock Exchange plc ("LSE") on 20 December, Euronext NV ("Euronext") confirms that it has made an approach to the LSE with a view to entering into preliminary discussions about a possible offer for the LSE.

There can be no assurance at this stage that any offer will be made.