<div id="readability-page-1"><div>RNS Number : 6044I Pennon Group PLC 21 November 2025 Director/PDMR ShareholdingPennon Group plcNotification of transactions of persons discharging managerial responsibilitiesThe notification below is made in accordance with the requirements of the EU Market Abuse Regulation. <div><table><tbody><tr><td>1</td><td colspan="2">Details of the person discharging managerial responsibilities/person closely associated</td></tr><tr><td>a)</td><td>Name</td><td>SUSAN JANE DAVY</td></tr><tr><td>2</td><td colspan="2">Reason for the notification</td></tr><tr><td>a)</td><td>Position/status</td><td>GROUP CHIEF EXECUTIVE OFFICER</td></tr><tr><td>b)</td><td>Initial notification/Amendment</td><td>INITIAL NOTIFICATION</td></tr><tr><td>3</td><td colspan="2">Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor</td></tr><tr><td>a)</td><td>Name</td><td>PENNON GROUP PLC</td></tr><tr><td>b)</td><td>LEI</td><td>213800V1CCTS41GWH423</td></tr><tr><td>4</td><td colspan="2">Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted</td></tr><tr><td>a)</td><td>Description of the financial instrument, type of instrumentIdentification code</td><td>ORDINARY SHARES OF 61.05p EACHGB00BNNTLN49</td></tr><tr><td>b)</td><td>Nature of the transaction</td><td>PURCHASE OF SHARES TO GO INTO SHARE INCENTIVE PLAN (SIP)</td></tr><tr><td>c)</td><td>Price(s) and volume(s)</td><td></td></tr><tr><td>d)</td><td>Aggregated information- Volume- Price- Total</td><td>N/A</td></tr><tr><td>e)</td><td>Date of the transaction</td><td>19 November 2025</td></tr><tr><td>f)</td><td>Place of the transaction</td><td>London Stock Exchange (XLON)</td></tr></tbody></table></div><div><table><tbody><tr><td colspan="2">Details of the person discharging managerial responsibilities/person closely associated</td></tr><tr><td>Name</td><td>LAURA FLOWERDEW</td></tr><tr><td colspan="2">Reason for the notification</td></tr><tr><td>Position/status</td><td>GROUP CHIEF FINANCIAL OFFICER</td></tr><tr><td>Initial notification/Amendment</td><td>INITIAL NOTIFICATION</td></tr><tr><td colspan="2">Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor</td></tr><tr><td>Name</td><td>PENNON GROUP PLC</td></tr><tr><td>LEI</td><td>213800V1CCTS41GWH423</td></tr><tr><td colspan="2">Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted</td></tr><tr><td>Description of the financial instrument, type of instrumentIdentification code</td><td>ORDINARY SHARES OF 61.05p EACHGB00BNNTLN49</td></tr><tr><td>Nature of the transaction</td><td>PURCHASE OF SHARES TO GO INTO SHARE INCENTIVE PLAN (SIP)</td></tr><tr><td>Price(s) and volume(s)</td><td></td></tr><tr><td>Aggregated information- Volume- Price- Total</td><td>N/A</td></tr><tr><td>Date of the transaction</td><td>19 November 2025</td></tr><tr><td>Place of the transaction</td><td>London Stock Exchange (XLON)</td></tr></tbody></table></div>Name of authorised official of issuer responsible for making notification.ANDREW GARARD, GROUP GENERAL COUNSEL AND COMPANY SECRETARYDate of notification: 21 November 2025This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END DSHPKDBBABDDNDB</div></div>

PEGRY

Pennon Group PLC announced transactions involving managerial personnel, including CEO Susan Jane Davy and CFO Laura Flowerdew, purchasing shares for a Share Incentive Plan. The transactions occurred on 19 November 2025 at the London Stock Exchange. The notification complies with EU Market Abuse Regulation.

REG - Pennon Group PLC - Director/PDMR Shareholding