Business
Director/PDMR Shareholding
Pennon Group PLC announced that Laura Flowerday, the Group Chief Financial Officer, purchased 27 partnership shares at 558p each and was awarded 9 matching shares under the Share Incentive Plan on January 19, 2026. The total value of the partnership share purchase was £150.66, with the matching shares awarded at no cost. This transaction, notified on January 23, 2026, represents an initial notification of a director's shareholding. Disclaimer*

About this update from Pennon Group Plc
Director/PDMR Shareholding Pennon Group plc Notification of transactions of persons discharging managerial responsibilities The notification below is made in accordance with the requirements of the EU Market Abuse Regulation. Details of the person discharging managerial responsibilities/person closely associated Name LAURA FLOWERDEW Reason for the notification Position/status GROUP CHIEF FINANCIAL OFFICER Initial notification/Amendment INITIAL NOTIFICATION Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor Name PENNON GROUP PLC LEI 213800V1CCTS41GWH423 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 Description of the financial instrument, type of instrument Identification code ORDINARY SHARES OF 61.05p EACH GB00BNNTLN49 Nature of the transaction PURCHASE OF PARTNERSHIP SHARES AND THE AWARD OF MATCHING SHARES UNDER THE PENNON GROUP SHARE INCENTIVE PLAN (SIP) Price(s) and volume(s) Price(s) Volume(s) 558p 27 (partnership shares) NIL 9 (matching shares) Aggregated information - Volume - Price 27 shares £150.66 Date of the transaction 19 January 2026 Place of the transaction London Stock Exchange (XLON) Name of authorised official of issuer responsible for making notification. ANDREW GARARD, GROUP GENERAL COUNSEL AND COMPANY SECRETARY Date of notification: 23 January 2026