Blocklisting Interim Review

RNS Number:6648I
Pennon Group PLC
12 March 2003

                                   SCHEDULE 5

                        BLOCKLISTING SIX MONTHLY RETURN


To: Listing Applications
    UK Listing Authority
    Financial Services Authority
    25, The North Colonnade
    Canary Wharf
    London, E14 5HS


               Please ensure the entries on this return are typed

1. Name of company


Pennon Group Plc



2. Name of scheme


Pennon Group Sharesave Scheme



3. Period of return:


From      1/9/02                                     To     17/2/03



4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme


       400,000



5. Number of shares issued / allotted under scheme during period:


       128,009



6. Balance under scheme not yet issued / allotted at end of period


       271,991



7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;


      157,657,600  Ordinary shares of 111p each  2/9/02



Please confirm total number of shares in issue at the end of the period in order
for us to update our records


      123,623,749  Ordinary shares of 111p each



Contact for queries


Name               K D Woodier
Address            Peninsula House, Rydon Lane, Exeter, Devon EX2 7HR
Telephone          [phone]

Person making the return

Name               K D Woodier
Position           Company Secretary
Signature          K D Woodier



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                      This information is provided by RNS
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END

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