Debenture Stock Repurchase

Northumbrian Water Group PLC
11 March 2005



Northumbrian Water Limited (the "Company") - Offer (the "Offer") to repurchase
for cash any and all outstanding 4 per cent. Perpetual Debenture Stock, 5 per
cent. Perpetual Debenture Stock and 3.5 per cent. Perpetual Debenture Stock (the
"4 per cent. Debenture Stock", the "5 per cent. Debenture Stock" and the "3.5
per cent. Debenture Stock" and together the "Debenture Stock") of the Company

The Company announces its proposed Offer to repurchase any and all of the
Debenture Stock of each class for cash consideration of, in each case, £1 in
respect of each £1 in nominal amount of the relevant class of the Debenture
Stock, plus accrued interest to, but excluding, the date of payment. The terms
and conditions of the Offer are set out in circular letters in relation to each
class of the Debenture Stock to be dated 14th March 2005 and prepared by the
Company in connection with the Offer (each a "Circular" and together the "
Circulars").

On 14th March 2005, the Circulars (each with an acceptance form attached and a
stock transfer form included) will be dispatched to persons registered as
holders of the relevant class of the Debenture Stock and having a registered
address in the United Kingdom.

A notice of the Offer addressed to holders of the Debenture Stock of the Company
who have no registered address in the United Kingdom and who have not provided
to the Company an address in the United Kingdom for the service of notice on
them, or whose interest in any class of the Debenture Stock is not correctly
registered in the Company's register in relation to the relevant class of the
Debenture Stock, will be published in the Financial Times on 14th March 2005.
The Circulars (each with an acceptance form attached and stock transfer form
included) may be inspected or (subject as provided below) obtained on personal
application by or on behalf of holders of the Debenture Stock at the Company's
registrar, Computershare Investor Services PLC, PO Box 859, The Pavilions,
Bridgwater Road, Bristol BS99 1XZ on any weekday (Saturdays and public holidays
excepted) from 14th March 2005 until 13th April 2005. Additional Acceptance
Forms and Stock Transfer Forms can be obtained by telephoning the Registrar on
0870 702 0100.

Enquiries should be addressed for the attention of David Martin, Group Treasury
Manager of the Company, at the registered office address set out below.

                           Northumbrian Water Limited
    (Incorporated and registered in England and Wales with registered number
                                    2366703)
                               Registered Office:
                         Northumbria House, Abbey Road,
                            Pity Me, Durham DH1 5FJ

Dated: 11th March 2005



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