Interim Dividend Notification

Thames Water PLC
2 November 1999

INTERIM DIVIDEND
SECURITY TITLE
*Ord Shs
MNEMONIC CODE         *TW.
SEDOL CODE            *293-037
DIVIDEND AMOUNT       *15.3p
PERIOD                *Half year ended 30-09-99
PROVISIONAL EX DATE   *13-12-99
RECORD DATE           *17-12-99
PAYMENT DATE          *03-02-00
NOTES *