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17 December 2004

Service Announcement

Trading and London Market Information Link (LMIL)

Irish Securities for Inclusion onto SETSmm

Go Live - 20 December 2004

Following on from Service Announcement - Live 77/04, and after consultation withmarket participantsand the issuers, the Exchangehas agreed that some of the Irish securities being added to SETSmm from 20 December 2004, will continue to be traded in Sterling, rather than Euros as previously announced.

Details of the currencyin whichthe relevantsecurities will be trading inhave been attached in Appendix A for your reference.

Closing Prices

For Paddy Power, Irish Continental Group and both lines of Waterford Wedgewood migrating onto SETSmmand trading inEuros (EUR), the GBX closing price onFriday 17 December will be converted into EUR, using the Bank of England EUR/GBP closing exchange rate.The converted closing price will be re-disseminated once these securities have been added to SETSmm.

For the remaining 12 Irish securities the traded currency will continue to beSterling (GBX). The closing prices for these securities will also be re-disseminated in Sterling followingthem being added to SETSmm.

Customer Development Service (CDS)

The CDS environment was updated on Tuesday 14 December 2004 to reflect the revised trading platform.

Administration

Customers will receive a series of 5OB (Tradable Instrument/Currency/Market Segment) messages for each addition and deletion on Friday 17 December 2004.

Customers are advised to take either the Reference Data Changes service Broadcast Data Group B13 on Friday 17 December or to take the Full Reference Data Download Broadcast Data Group B12 on Monday 20 December 2004.

Customers will also receive5SK'Closing Price' messages following the re-dissemination of closing priceson B29 'UK Closing Prices' and B68 'SETSmm Level 1' prices.

Additional Information

If you have any queries or require further information please contact your account manager or the Technical Information Desk on 020 7797 3939 (STX 33939).

An archive of previously issued service announcements is available on the Exchange’s website at www.londonstockexchange.com/techlib

If you would like to amend or add further recipients of service announcements, please send the revised email contact details to

Live 79/04

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