Blk Listing Six-Mnthly Return

Thames Water PLC
5 July 2000


Schedule 5 - Block Listing Six-Monthly Return

1   Name of company:
Thames Water Plc

2   Name of Scheme:
Executive Option Scheme

3   Period of Return - From:
01.01.2000

To:
30.06.2000

4   Number and class of share(s) (amount of stock/debt security) not issued
under scheme at the end of last period:
269,913 23p Ordinary shares

5   Number of shares issued/allotted under scheme during period:
76,450 23p Ordinary shares

6   Balance under scheme not yet issued/allotted under scheme at end of
period:
193,463 Ordinary shares

7   Number and class of share(s) (amount of stock/debt securities) originally
listed and the date of admission: 
330,000 23p Ordinary shares 13th November 1998

Please confirm total number of shares in issue at the end of the period in
order for us to update our records:
351,517,320 23p Ordinary shares
28,050,782 B shares

Contact name for queries:
Mrs C O'Connell

Contact telephone number:
0118 939 9240

Contact address:
The Company Secretary's Office
Nugent House (RBH Ground)
Vastern Road
Reading 
Berkshire  RG1 8DB

Name of person making return:
Mrs N Harmsworth

Position of person making return:
Company Secretarial Assistant




Schedule 5 - Block Listing Six-Monthly Return

1   Name of company:
Thames Water Plc

2   Name of Scheme:
Sharesave Scheme

3   Period of Return - From:
01.01.2000

To:
30.06.2000

4   Number and class of share(s) (amount of stock/debt security) not issued
under scheme at the end of last period:
418,960 23p Ordinary shares 

5   Number of shares issued/allotted under scheme during period:
82,780 23p Ordinary shares


6   Balance under scheme not yet issued/allotted under scheme at end of
period:
336,180 23p Ordinary shares

7   Number and class of share(s) (amount of stock/debt securities) originally
listed and the date of admission: 
420,000 23p Ordinary shares - 3rd December 1999

Please confirm total number of shares in issue at the end of the period in
order for us to update our records:
351,517,320 23p Ordinary shares
28,050,782 B shares

Contact name for queries:
Ms C O'Connell

Contact telephone number:
0118 939 9240

Contact address:
The Company Secretary's Office 
Nugent House (RBH Ground)
Vastern Road
Reading
Berkshire  RG1 8DB


Name of person making return:
Mrs N Harmsworth

Position of person making return:
Company Secretarial Assistant



Additional Information: