<div id="readability-page-1"><div>RNS Number : 3263M Grainger PLC 19 December 2025 Grainger plc(&#34;Grainger&#34; or the &#34;Company&#34;)NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONSIn accordance with DTR 3, the Company was notified on 19 December 2025 of the purchase of 44,825 ordinary shares of 5p each in the Company between 18 December and 19 December 2025 by Caroline Keaveney, PCA of Michael Keaveney (a PDMR).The notification below, made in accordance with the requirements of the EU Market Abuse Regulation, provides further detail.Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them.<div><table><tbody><tr><td> 1</td><td colspan="3">Details of the person discharging managerial responsibilities / person closely associated </td></tr><tr><td>a)</td><td>Name </td><td colspan="2">Caroline Keaveney</td></tr><tr><td>2</td><td colspan="3">Reason for the notification</td></tr><tr><td>a)</td><td>Position/status</td><td colspan="2">PCA of Michael Keaveney - Director of Land and Development (PDMR)</td></tr><tr><td>b)</td><td>Initial notification</td><td colspan="2">Initial Notification</td></tr><tr><td>3</td><td colspan="3">Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor </td></tr><tr><td>a)</td><td colspan="2">Name</td><td>Grainger plc</td></tr><tr><td>b)</td><td colspan="2">LEI</td><td>2138007CEIRKZMNI2979</td></tr><tr><td>4</td><td colspan="3">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 colspan="2">Description of the financial instrument, type of instrument</td><td>Ordinary Shares of 5p each in Grainger plc</td></tr><tr><td>b)</td><td colspan="2">Identification code </td><td>GB00B04V1276</td></tr><tr><td>c)</td><td colspan="2">Nature of the transaction </td><td>Purchase of 44,825 ordinary shares of 5p each</td></tr><tr><td>d)</td><td colspan="2">Price and volumes</td><td><div><table><tbody><tr><td>Price(s)</td><td>Volume(s)</td></tr><tr><td>£1.82</td><td>27,245</td></tr><tr><td>£1.81</td><td>17,580</td></tr></tbody></table></div></td></tr><tr><td>d)</td><td colspan="2">Aggregated information - Aggregated volume- Price</td><td><div><table><tbody><tr><td>Price</td><td>Aggregate Volume</td></tr><tr><td>£1.815</td><td>44,825</td></tr></tbody></table></div></td></tr><tr><td>e)</td><td colspan="2">Date of the transaction </td><td> 18 and 19 December 2025</td></tr><tr><td>f)</td><td colspan="2">Place of the transaction</td><td> London Stock Exchange</td></tr></tbody></table></div>Name of authorised official of issuer responsible for making notification: Sapna B FitzGerald, Group General Counsel and Company SecretaryThis 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 DSHGPGQWPUPAGPB</div></div>

Grainger PLC announced that Caroline Keaveney, closely associated with Michael Keaveney, a Director of Land and Development, purchased 44,825 ordinary shares of the company between 18 and 19 December 2025. The transactions were conducted on the London Stock Exchange at prices of £1.82 and £1.81 per share. This notification complies with the EU Market Abuse Regulation.

REG - Grainger PLC - Director/PDMR Shareholding