Treasury Stock - Replacement

RNS Number : 3232L

Pennon Group PLC

28 July 2011

PENNON GROUP PLC

TRANSFER OF SHARES OUT OF TREASURY (LR12.6.4) - REPLACEMENT

The announcement released at 4.24pm today under RNS No. 3073L referred to share transfers for the purposes of the Company's Performance and Co-investment Plan. This should have read 'for the purposes of the Company's Annual Incentive Bonus Plan - Deferred Bonus Element.'

All other details remain unchanged.

The full amended text is shown below.

Pursuant to LR12.6.4 Pennon Group announces the following transfers of treasury shares for the purposes of the Company's Annual Incentive Bonus Plan - Deferred Bonus Element:

Date of transfer

Number of ordinary shares of nominal value 40.7p transferred

Transfer price (price pursuant to the Annual Incentive Bonus Plan - Deferred Bonus Element)

Total number of treasury shares of nominal value 40.7p held following transfer out of treasury

Total number of ordinary shares of nominal value 40.7p in issue less the total number of treasury shares held following transfer out of treasury

27.07.11

44,667

725p

4,258,511

357,846,103

28 July 2011

www.pennon-group.co.uk