<div id="readability-page-1"><div>RNS Number : 3916O Grafton Group PLC 09 January 2026 Standard Form TR-1 Voting rights attached to shares- Article 12(1) of directive 2004/109/ECFinancial instruments - Article 11(3) of the Commission Directive 2007/14/EC[i]1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached [ii]:GRAFTON GROUP PLC2. Reason for the notification (please tick the appropriate box or boxes):[ X ] an acquisition or disposal of voting rights[ ] an acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached[ ] an event changing the breakdown of voting rights3. Full name of person(s) subject to the notification obligation[iii]:BlackRock, Inc.4. Full name of shareholder(s) (if different from 3.)[iv]:See Section 95. Date of the transaction and date on which the threshold is crossed or reached[v]: 08/01/20266. Date on which issuer notified: 09/01/20267. Threshold(s) that is/are crossed or reached:Holdings for BlackRock, Inc. have gone above 6%.8. Notified details:<div><table><tbody><tr><td colspan="8">A) Voting rights attached to shares</td></tr><tr><td rowspan="3">Class/type of shares (if possible using the ISIN CODE)</td><td colspan="2">Situation previous to the Triggering transaction [vi]</td><td colspan="5">Resulting situation after the triggering transaction[vii][viii]</td></tr><tr><td rowspan="2">Number of Shares[ix]</td><td rowspan="2">Number of Voting rights[x]</td><td>Number of shares[xi]</td><td colspan="2">Number of voting rights[xii]</td><td colspan="2">% of voting rights</td></tr><tr><td>Direct</td><td>Direct[xiii]</td><td>Indirect[xiv]</td><td>Direct</td><td>Indirect</td></tr><tr><td>IE00B00MZ448</td><td>N/A</td><td>11,178,215</td><td>N/A</td><td>N/A</td><td>11,542,523</td><td>N/A</td><td>6.03%</td></tr><tr><td>SUBTOTAL A (based on aggregate voting rights)</td><td></td><td></td><td></td><td colspan="2">11,542,523</td><td colspan="2">6.03%</td></tr></tbody></table></div><div><table><tbody><tr><td colspan="5">B) Financial Instruments</td></tr><tr><td colspan="5">Resulting situation after the triggering transaction[xv]</td></tr><tr><td>Type of financial instrument</td><td>Expiration Date[xvi]</td><td>Exercise/Conversion Period/ Date[xvii]</td><td>Number of voting rights that may be acquired if the instrument is exercised/converted</td><td>% of voting rights</td></tr><tr><td colspan="2"></td><td>SUBTOTAL B (in relation to all expiration dates)</td><td></td><td></td></tr></tbody></table></div><div><table><tbody><tr><td>Total (A+B)</td><td>11,542,523</td></tr><tr><td>number of voting rights</td><td>11,542,523</td></tr><tr><td>% of voting rights</td><td>6.03%</td></tr></tbody></table></div>9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable[xviii]:Each of the following entities, which are wholly owned subsidiaries of BlackRock, Inc., hold the following interests in voting rights in their capacity as Investment Manager on behalf of clients:<div><table><tbody><tr><td>Investment Manager</td><td>Voting Rights</td><td>%</td></tr><tr><td>BlackRock Investment Management (UK) Limited</td><td>5,603,858</td><td>2.92%</td></tr><tr><td>BlackRock Fund Advisors</td><td>3,346,964</td><td>1.74%</td></tr><tr><td>BlackRock Institutional Trust Company, National Association</td><td>1,437,542</td><td>0.75%</td></tr><tr><td>BlackRock Advisors (UK) Limited</td><td>731,952</td><td>0.38%</td></tr><tr><td>BlackRock Asset Management Deutschland AG</td><td>351,775</td><td>0.18%</td></tr><tr><td>BlackRock Asset Management Canada Limited</td><td>66,918</td><td>0.03%</td></tr><tr><td>BlackRock Financial Management, Inc.</td><td>3,170</td><td>0.00%</td></tr><tr><td>BlackRock Investment Management (Australia) Limited</td><td>344</td><td>0.00%</td></tr></tbody></table></div>10. In case of proxy voting: [name of the proxy holder] will cease to hold [number] voting rights as of [date].11. Additional information:Done at 12 Throgmorton Avenue, London, EC2N 2DL, U.K. on 09 January 2026#_ednref1 #_ednref2 #_ednref3 #_ednref4 #_ednref5 #_ednref6 #_ednref7 #_ednref8 #_ednref9 #_ednref10 #_ednref11 #_ednref12 #_ednref13 #_ednref14 #_ednref15 #_ednref16 #_ednref17 #_ednref18This 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 HOLUPUQUGUPQGAB</div></div>

Grafton Group PLC announced that BlackRock, Inc. has crossed the 6% threshold in voting rights, now holding 11,542,523 voting rights, which represents 6.03% of the total. This change occurred on January 8, 2026, and was notified to the issuer on January 9, 2026. The voting rights are held through various wholly owned subsidiaries of BlackRock, Inc.

REG - Grafton Group PLC - Holding(s) in Company