Holding in Company

Thames Water PLC
17 August 2000


Schedule 10 - Notification of Major Interests in Shares

1   Name of company:
Thames Water Plc

2   Name of shareholder having a major interest:
AXA S.A. of 40 rue du Colisee, 75008 Paris and its subsidiaries

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:
Non beneficial interest

4   Name of registered holder(s) and, if more than one holder, the number of
shares held by each of them:
HSBC Global Custody Nominee(UK)Limited - 8,500
Mariner House, Pepys Street, London EC3N 4DA
a/c: 845030

HSBC Global Custody Nominee(UK)Limited -7,182
Mariner House, Pepys Street, London EC3N 4DA
a/c: 845315

HSBC Global Custody Nominee(UK)Limited - 917,582
Mariner House, Pepys Street, London EC3N 4DA
a/c: 845017

HSBC Global Custody Nominee(UK)Limited - 125,039
Mariner House, Pepys Street, London EC3N 4DA
a/c: 845005

Axa Equity & Law Nominees Limited - 4,000
20 Lincoln's Inn Fields, London, WC2A 3ES
a/c:AXARE

Chase Nominees Limited - 689,000
Trinity Tower, 9 St Thomas Moore Street, London EC1
a/c: 00994

Sun Life International - 229,166
Isle of Man, Limited a/c
a/c: SLI 11

(Registration details to follow) - 225,447

Chase Nominees Limited - 320,833
a/c: BTO1C

Axa Equity & Law Life Assurance - 1,270,450
Society plc, 107 Cheapside, London, EC2V 6DU
as AELLAS plc 

HSBC Global Custody Nominee(UK)Limited - 143,916
Mariner House, Pepys Street, London EC3N 4DA
a/c: 880868

HSBC Global Custody Nominee(UK)Limited - 3,871,725
Mariner House, Pepys Street, London EC3N 4DA
a/c: 867116

HSBC Global Custody Nominee(UK)Limited - 3,359,282
Mariner House, Pepys Street, London EC3N 4DA
a/c: 867268

HSBC Global Custody Nominee(UK)Limited - 434,777
Mariner House, Pepys Street, London EC3N 4DA
a/c: 867050

Smith & Williamson Nominees Ltd - 10,270
1 Riding House Street, London W1A 3AS
a/c: S66

RBSTB nominees designation Sunpen - 40,603
67 Lombard Street, London, EC3P 3DL
a/c: 

HSBC Global Custody Nominee(UK)Limited - 686,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 867396

HSBC Global Custody Nominee(UK)Limited - 550,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 867530

HSBC Global Custody Nominee(UK)Limited - 2,189,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 867372

HSBC Global Custody Nominee(UK)Limited - 728,799
Mariner House, Pepys Street, London EC3N 4DA
a/c: 776934

HSBC Global Custody Nominee(UK)Limited - 4,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 785078

HSBC Global Custody Nominee(UK)Limited - 19,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 873426

HSBC Global Custody Nominee(UK)Limited - 179,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 837914

HSBC Global Custody Nominee(UK)Limited - 455,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 867815

HSBC Global Custody Nominee(UK)Limited - 27,400
Mariner House, Pepys Street, London EC3N 4DA
a/c: 777086

HSBC Global Custody Nominee(UK)Limited - 12,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 777094

 HSBC Global Custody Nominee(UK)Limited - 7,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 777124

HSBC Global Custody Nominee(UK)Limited - 30,000
Mariner House, Pepys Street, London EC3N 4DA
a/c: 777167

Barclays Nominees Ltd - 275,000
PO Box 1043, Willow Grove House,Windsor, Trowbridge, Wiltshire, BA14 0YT
a/c: 6000BQ

Bank Generale Luxembourg - 96,378
Midland Bank, Pepys Street, London EC3N 4DA
a/c: 750749

HSBC Global Custody Nominee(UK)Limited - 241,800
Mariner House, Pepys Street, London EC3N 4DA
a/c: 777035

HSBC Global Custody Nominee(UK)Limited - 56,300
Mariner House, Pepys Street, London EC3N 4DA
a/c: 777043


5   Number of shares/amount of stock acquired:
3,918,808

6   Percentage of issued class:
1.11%

7   Number of shares/amount of stock disposed:


8   Percentage of issued class:


9   Class of security:
Ordinary shares of 23p each

10  Date of transaction:
16.08.00

11  Date company informed:
17.08.00

12  Total holding following this notification:
17,214,449

13  Total percentage holding of issued class following this notification:
4.9%

14  Contact name for queries:
Clare O'Connell

15 Contact telephone number:
0118 939 9240

16  Name of company official responsible for making notification:
Janet Ravenscroft

17  Date of notification:
17.08.00





Additional Information: