Dividend Notification

Thames Water PLC
23 May 2000

FINAL DIVIDEND
SECURITY TITLE
*Ord Shs
MNEMONIC CODE           *TW.
SEDOL CODE              *293-037
DIVIDEND AMOUNT         *32.7p
TOTAL                   *46.5p
PERIOD                  *Year ended 31-03-00
PROVISIONAL EX DATE     *22-01-01
RECORD DATE             *26-01-01
PAYMENT DATE            *02-04-01
NOTES *