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RNS Number : 3408G
Pennon Group PLC
29 January 2010

BLOCK LISTING SIX MONTHLY RETURN
Information provided on this form must be typed or printed electronically and provided to an ris.
Date:         29 January 2010

 Name of applicant:
                     PENNON GROUP PLC
 Name of scheme:
                     PENNON GROUP SHARESAVE SCHEME
 Period of return:
                     From:                                             29/07/09  To:  28/01/10
 Balance of unallotted securities under scheme(s) from previous return:
                     354,465
 Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase
has been applied for):  N/A
 Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):
                     586,985 - Allocated from shares held in Treasury
 Equals:  Balance under scheme(s) not yet issued/allotted at end of period:
                     354,465


 Name of contact:              M L Heeley - Assistant Company Secretary
 Telephone number of contact:  01392 443060


29 January 2010
www.pennon-group.co.uk

BLOCK LISTING SIX MONTHLY RETURN
Information provided on this form must be typed or printed electronically and provided to an ris.
Date:         29 January 2010

 Name of applicant:
                     PENNON GROUP PLC
 Name of scheme:
                     PENNON GROUP SCRIP DIVIDEND ALTERNATIVE
 Period of return:
                     From:                                    29/07/09  To:  28/01/10
 Balance of unallotted securities under scheme(s) from previous return:
                     N/A
 Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase
has been applied for):  1,986,553
 Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):
                     1,986,553
 Equals:  Balance under scheme(s) not yet issued/allotted at end of period:
                     NIL


 Name of contact:              M L Heeley - Assistant Company Secretary
 Telephone number of contact:  01392 443060


29 January 2010
www.pennon-group.co.uk
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