Holding(s) in Company

Northumbrian Water Group PLC
26 August 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1.     Name of company

       Northumbrian Water Group plc

2.     Name of shareholder having a major interest

       Oechsle International Advisors, LLC

3.     Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above
       or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that
       person's spouse or children under the age of 18.

       Oechsle acts as discretionary investment manager to various separate accounts and funds that hold beneficial
       interests in Northumbrian Water Group plc

4.     Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them

       Not disclosed

5.     Number of shares/amount of stock acquired

       Not disclosed

6.     Percentage of issued class

       N/A

7.     Number of shares/amount of stock disposed

       Not disclosed

8.     Percentage of issued class

       N/A

9.     Class of security

       Ordinary 10p Shares

10.    Date of transaction

       19th August 2003

11.    Date company informed

       22nd August 2003

12.    Total holding following this notification

       16,373,986

13.    Total percentage holding of issued class following this notification

       3.157%

14.    Any additional information

15.    Name of contact and telephone number for queries

       Mr Martin Parker 0191 301 6746

16.    Name and signature of authorised company official responsible for making this notification.

       Mr Martin Parker, Company Secretary

Date of notification:   26th August 2003




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