VIDEO CONFERENCE DETAILS: HALF YEAR 2024 RESULTS

Q&A video conference details for Half year 2024 results

Antofagasta plc will release its results for the half year ended 30 June 2024 on Tuesday 20 August 2024.

Announcement, presentation video and slides

The 2024 Half Year Results announcement, a presentation video, slides and transcript will be available on our website (www.antofagasta.co.uk) from 7:00 am (UK time) on 20 August 2024.

Q&A video conference

On behalf of the Company, we invite you to participate in a virtual meeting hosted by Iván Arriagada - Chief Executive Officer, Mauricio Ortiz - Chief Financial Officer, and Alejandra Vial - Vice President Sustainability, which will be open to all investors.

Date: 20 August 2024

Time: 2:00pm (UK time)

Online link: https://antofagasta-2024-hy-results.open-exchange.net/registration

Meeting ID: 970 7743 9158

Passcode: 197321

For those investors who are not able to join the conference by video, you can join by telephone using the dial-in details provided via the link shown below. You will be able to hear the presentation, the Q&A, and ask questions.

Link for telephone numbers: here.

Video and telephone participants will have to register before they can participate in the call, so please leave enough time to do this before the call begins.

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

Register on our website to receive our email alerts at the following address: https://www.antofagasta.co.uk/investors/news/email-alerts/