| 22/09/25 | 14:00:00 | 22 Sept 2025 | | TR-1: Notification of major holdings |
| 10/09/25 | 12:00:01 | 10 Sept 2025 | | INTERIM DIVIDEND PAYABLE |
| 03/09/25 | 15:32:50 | 3 Sept 2025 | | ANTOFAGASTA PLC ANNOUNCES PRICING OF BOND |
| 14/08/25 | 07:00:10 | 14 Aug 2025 | | HALF YEAR RESULTS FOR THE 6 MONTHS ENDED 30/06/25 |
| 13/08/25 | 07:00:14 | 13 Aug 2025 | | CHANGES TO BOARD COMMITTEES |
| 04/08/25 | 07:00:12 | 4 Aug 2025 | | VIDEO CONFERENCE DETAILS: HALF YEAR 2025 RESULTS |
| 16/07/25 | 07:00:05 | 16 Jul 2025 | | Q2 2025 PRODUCTION REPORT |
| 27/06/25 | 18:07:19 | 27 Jun 2025 | | (Canada extractive) Report on Payment to Govts |
| 27/06/25 | 18:00:11 | 27 Jun 2025 | | REPORT ON PAYMENTS TO GOVERNMENTS |
| 26/06/25 | 12:00:01 | 26 Jun 2025 | | APPOINTMENT OF INDEPENDENT NON-EXECUTIVE DIRECTOR |
| 16/05/25 | 10:00:00 | 16 May 2025 | | ZALDÍVAR EIA APPROVAL |
| 08/05/25 | 18:24:30 | 8 May 2025 | | RESULTS OF 2025 ANNUAL GENERAL MEETING |
| 08/05/25 | 09:00:01 | 8 May 2025 | | CHAIRMAN’S COMMENTS AT THE 2025 AGM |
| 25/04/25 | 18:15:55 | 25 Apr 2025 | | FINAL DIVIDEND PAYABLE |
| 16/04/25 | 07:00:04 | 16 Apr 2025 | | Q1 2025 PRODUCTION REPORT |
| 02/04/25 | 08:05:24 | 2 Apr 2025 | | NOTIFICATION OF TRANSACTIONS |
| 27/03/25 | 07:00:15 | 27 Mar 2025 | | 2024 ANNUAL REPORT, 2025 NOTICE OF AGM |
| 07/03/25 | 10:00:00 | 7 Mar 2025 | | DIRECTOR CHANGE AND CHANGES TO BOARD COMMITTEES |
| 18/02/25 | 07:00:04 | 18 Feb 2025 | | FULL YEAR RESULTS FOR THE YEAR ENDED 31.12.2024 |
| 11/02/25 | 07:00:07 | 11 Feb 2025 | | 2024 FY RESULTS PRESENTATION & CONFERENCE DETAILS |
| 16/01/25 | 07:00:03 | 16 Jan 2025 | | Q4 2024 PRODUCTION REPORT |
| 27/11/24 | 12:01:25 | 27 Nov 2024 | | CHANGE TO BOARD COMMITTEE CHAIR |
| 16/10/24 | 07:00:05 | 16 Oct 2024 | | Q3 2024 PRODUCTION REPORT |
| 12/09/24 | 07:00:59 | 12 Sept 2024 | | Dividend Declaration |
| 20/08/24 | 07:00:14 | 20 Aug 2024 | | HALF YEAR RESULTS |
| 14/08/24 | 07:00:11 | 14 Aug 2024 | | APPOINTMENT TO BOARD COMMITTEE |
| 14/08/24 | 07:00:11 | 14 Aug 2024 | | VIDEO CONFERENCE DETAILS: HALF YEAR 2024 RESULTS |
| 17/07/24 | 07:00:07 | 17 Jul 2024 | | Q2 2024 PRODUCTION REPORT |
| 04/07/24 | 14:30:00 | 4 Jul 2024 | | PUBLICATION OF PROSPECTUS |
| 28/06/24 | 16:00:01 | 28 Jun 2024 | | REPORT ON PAYMENTS TO GOVERNMENTS |
| 05/06/24 | 17:02:45 | 5 Jun 2024 | | TRANSFER OF CENTINELA WATER SUPPLY INFRASTRUCTURE |
| 08/05/24 | 18:23:20 | 8 May 2024 | | RESULTS OF 2024 ANNUAL GENERAL MEETING |
| 08/05/24 | 10:05:57 | 8 May 2024 | | CHAIRMAN’S COMMENTS AT THE 2024 AGM |
| 30/04/24 | 07:00:14 | 30 Apr 2024 | | ANTOFAGASTA PLC ANNOUNCES PRICING OF BOND |
| 25/04/24 | 07:00:13 | 25 Apr 2024 | | FINAL DIVIDEND PAYABLE |
| 17/04/24 | 07:00:07 | 17 Apr 2024 | | Q1 2024 PRODUCTION REPORT |
| 03/04/24 | 11:00:00 | 3 Apr 2024 | | NOTIFICATION OF TRANSACTIONS |
| 28/03/24 | 07:00:12 | 28 Mar 2024 | | 2023 REPORTING SUITE, 2024 AGM & CORPORATE UPDATE |
| 19/03/24 | 08:00:44 | 19 Mar 2024 | | CENTINELA SECOND CONCENTRATOR FINANCING |
| 20/02/24 | 07:00:04 | 20 Feb 2024 | | FULL-YEAR RESULTS FOR THE YEAR ENDED 31/12/2023 |
| 16/02/24 | 07:00:04 | 16 Feb 2024 | | UPDATED EMISSIONS TARGETS |
| 15/02/24 | 07:00:06 | 15 Feb 2024 | | 2023 FY RESULTS PRESENTATION & CONFERENCE DETAILS |
| 30/01/24 | 16:49:41 | 30 Jan 2024 | | APPOINTMENT OF INDEPENDENT NON-EXECUTIVE DIRECTOR |
| 17/01/24 | 07:00:05 | 17 Jan 2024 | | Q4 2023 PRODUCTION REPORT |
| 02/01/24 | 07:00:06 | 2 Jan 2024 | | NOTIFICATION OF TRANSACTION BY DIRECTOR / PDMR |
| 20/12/23 | 07:00:16 | 20 Dec 2023 | | CENTINELA SECOND CONCENTRATOR PROJECT APPROVED |
| 15/12/23 | 14:24:53 | 15 Dec 2023 | | ANTOFAGASTA ANNOUNCES INVESTMENT IN BUENAVENTURA |
| 12/12/23 | 07:00:14 | 12 Dec 2023 | | DIRECTOR CHANGE AND CHANGES TO BOARD COMMITTEES |
| 10/11/23 | 07:00:07 | 10 Nov 2023 | | PUBLICATION OF CLIMATE CHANGE REPORT |
| 18/10/23 | 07:00:09 | 18 Oct 2023 | | Q3 2023 PRODUCTION REPORT |
