Business
NOTIFICATION OF TRANSACTIONS
NOTIFICATION OF TRANSACTIONS.

About this update from Antofagasta Plc
NEWS RELEASE, 2 APRIL 2025 NOTIFICATION OF TRANSACTIONS BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES This announcement is a notification made pursuant to Article 19 of the UK version of the EU Market Abuse Regulation 596/2014, which is part of UK law by virtue of the European Union (Withdrawal) Act 2018. 1. Antofagasta plc (LEI: 213800MY6QVH4FVLD628) (the " Company ") announces that, on 29 March 2025, awards calculated by reference to the value of ordinary shares of 5 pence each in the Company (ISIN: GB0000456144) (" Shares ") were granted under the Antofagasta Long Term Incentive Plan (the " LTIP ") to the Persons Discharging Managerial Responsibility (" PDMR ") set out below: Name of PDMR Position of PDMR N° of Shares to which awards relate Performance Awards Restricted Awards I. Arriagada CEO 119,344 51,147 O. Araneda COO 13,252 5,679 M. Ortiz CFO 13,252 5,679 G. Barcelo Vice President, People and Organisation 13,252 5,679 M. Larraín Vice President, Planning and Technical Services 13,252 5,679 A. Luksic Vice President, Development 13,252 5,679 K. Jenny Vice President, Corporate Affairs 10,308 4,416 A. Vial Vice President, Sustainability 7,214 3,093 P. Enei Vice President, Legal 11,854 5,079 R. Aguilar Vice President, Strategy and Innovation 13,252 5,679 R. Bravo Vice President, Sales 10,308 4,416 J. Bermudez Vice President, Projects 10,308 4,416 N. Rivera General Manager, Minera Centinela 10,308 4,416 A. Vasquez General Manager, Minera Los Pelambres 13,252 5,679 L. González General Manager, Minera Zaldívar 13,252 5,679 I. Fadic General Manager, Minera Antucoya 10,308 4,416 D. Fernandez General Manager, FCAB 7,951 3,408 Total number of Shares to which awards relate 303,919 130,239 These are awards granted under the LTIP which the Antofagasta group (the " Group ") has established to reward senior executives in a way that aligns their interests with the interests of shareholders and with the Group's long-term strategic plan. Directors of the Company are not eligible to participate in the LTIP. Awards granted under the LTIP are conditional rights to receive a cash payment by reference to the number of Shares relating to the relevant award which vests under the LTIP. The cash payment is determined by reference to the market value of the Shares at vesting. No Shares are issued to participants in the LTIP. No consideration was paid for the grant of any awards. Performance awards are subject both to certain performance conditions, which are measured as of 31 December 2027, and to continued employment. Performance awards will normally vest three years following their grant date and only to the extent that the performance conditions relating to those awards, as measured on 31 December 2027, have been met. Restricted awards are subject to continued employment and normally one third will vest in March 2026, one third in March 2027 and the final third in March 2028. The above transaction took place outside of a trading venue. 2. The Company announces that, on 29 March 2025, restricted awards granted under the LTIP on 29 March 2024 and calculated by reference to the value of Shares vested to the PDMRs set out below: Name of PDMR Position of PDMR N° of Shares to which awards relate that vested Amount of cash received GBP I. Arriagada CEO 13,789 248,179 O. Araneda COO 1,785 32,127 M. Ortiz CFO 1,785 32,127 G. Barcelo Vice President, People and Organisation 1,785 32,127 M. Larraín Vice President, Planning and Technical Services 1,785 32,127 A. Luksic Vice President, Development 1,785 32,127 K. Jenny Vice President, Corporate Affairs 1,388 24,982 A. Vial Vice President, Sustainability 859 15,461 P. Enei Vice President, Legal 1,596 28,725 R. Aguilar Vice President, Strategy and Innovation 1,785 32,127 R. Bravo Vice President, Sales 988 17,782 J. Bermudez Vice President, Projects 1,388 24,982 A. Vasquez General Manager, Minera Los Pelambres 1,785 32,127 L. González General Manager, Minera Zaldívar 1,785 32,127 I. Fadic General Manager, Minera Antucoya 1,388 24,982 Total number of Shares to which awards relate that vested and cash received 35,676 642,109 The market value of the Shares on the date the awards vested was £ 17.9983. The above transaction took place outside of a trading venue. 3. The Company announces that, on 29 March 2025, restricted awards granted under the LTIP on 29 March 2023 and calculated by reference to the value of Shares vested to the PDMRs set out below: Name of PDMR Position of PDMR N° of Shares to which awards relate that vested Amount of cash received GBP I. Arriagada CEO 14,189 255,378 O. Araneda COO 2,390 43,016 M. Ortiz CFO 2,390 43,016 G. Barcelo Vice President, People and Organisation 1,859 33,459 M. Larraín Vice President, Planning and Technical Services 2,390 43,016 A. Luksic Vice President, Development 2,390 43,016 K. Jenny Vice President, Corporate Affairs 1,859 33,459 A. Vial Vice President, Sustainability 1,151 20,716 P. Enei Vice President, Legal 2,138 38,480 R. Aguilar Vice President, Strategy and Innovation 2,390 43,016 R. Bravo Vice President, Sales 1,323 23,812 A. Vasquez General Manager, Minera Los Pelambres 2,390 43,016 L. González General Manager, Minera Zaldívar 1,859 33,459 I. Fadic General Manager, Minera Antucoya 1,859 33,459 Total number of Shares to which awards relate that vested and cash received 40,577 730,318 The market value of the Shares on the date the awards vested was £ 17.9983. The above transaction took place outside of a trading venue. 4. The Company announces that, on 29 March 2025, restricted awards granted under the LTIP on 29 March 2022 and calculated by reference to the value of Shares vested to the PDMRs set out below: Name of PDMR Position of PDMR N° of Shares to which awards relate that vested Amount of cash received GBP I. Arriagada CEO 7,526 135,455 M. Ortiz CFO 1,953 35,151 G. Barcelo Vice President, People and Organisation 1,519 27,339 M. Larraín Vice President, Planning and Technical Services 1,953 35,151 A. Luksic Vice President, Development 1,953 35,151 K. Jenny Vice President, Corporate Affairs 1,519 27,339 A. Vial Vice President, Sustainability 940 16,918 P. Enei Vice President, Legal 1,747 31,443 R. Aguilar Vice President, Strategy and Innovation 1,953 35,151 R. Bravo Vice President, Sales 1,082 19,474 A. Vasquez General Manager, Minera Los Pelambres 1,953 35,151 L. González General Manager, Minera Zaldívar 1,519 27,339 I. Fadic General Manager, Minera Antucoya 1,082 19,474 Total number of Shares to which awards relate that vested and cash received 26,699 480,536 The market value of the Shares on the date the awards vested was £ 17.9983. The above transaction took place outside of a trading venue. 5. The Company announces that, on 29 March 2025, performance awards granted under the LTIP on 29 March 2022 and calculated by reference to the value of Shares vested to the PDMRs set out below: Name of PDMR Position of PDMR N° of Shares to which awards relate that vested Amount of cash received GBP I. Arriagada CEO 52,686 948,258 M. Ortiz CFO 13,672 246,073 G. Barcelo Vice President, People and Organisation 10,634 191,394 M. Larraín Vice President, Planning and Technical Services 13,672 246,073 A. Luksic Vice President, Development 13,672 246,073 K. Jenny Vice President, Corporate Affairs 10,634 191,394 A. Vial Vice President, Sustainability 2,822 50,791 P. Enei Vice President, Legal 12,229 220,101 R. Aguilar Vice President, Strategy and Innovation 13,672 246,073 R. Bravo Vice President, Sales 3,243 58,368 A. Vasquez General Manager, Minera Los Pelambres 13,672 246,073 L. González General Manager, Minera Zaldívar 10,634 191,394 I. Fadic General Manager, Minera Antucoya 3,243 58,368 Total number of Shares to which awards relate that vested and cash received 174,485 3,140,433 The overall performance score in connection with these awards was 100%. The market value of the Shares on the date the awards vested was £ 17.9983. The above transaction took place outside of a trading venue. Investors - London Media - London Rosario Orchard [email protected] Carole Cable [email protected] Robert Simmons [email protected] Telephone +44 20 7404 5959 Telephone +44 20 7808 0988 Media - Santiago Pablo Orozco [email protected] Carolina Pica [email protected] Telephone +56 2 2798 7000