NOTIFICATION OF TRANSACTIONS

Antofagasta PLC

01 April 2026

 

NEWS RELEASE, 1 APRIL 2026

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 2026, 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	65,507	28,074
O. Araneda	COO	7,827	3,354
M. Ortiz	CFO	7,045	3,018
G.  Barcelo	Vice President, People and Organisation	7,045	3,018
M.  Larraín	Vice President, Planning and Technical Services	7,045	3,018
K. Jenny	Vice President, Corporate Affairs	5,478	2,349
A. Vial	Vice President, Sustainability	3,835	1,644
P. Enei	Vice President, Legal	7,045	3,018
R. Aguilar	Vice President, Strategy and Innovation	7,045	3,018
R. Bravo	Vice President, Sales	5,478	2,349
J. Bermudez	Vice President, Projects	5,478	2,349
N. Rivera	General Manager, Minera Centinela	7,827	3,354
P.Chacana	General Manager, Minera Los Pelambres	7,045	3,018
M. Osses	General Manager, Minera Zaldívar	5,478	2,349
I. Fadic	General Manager, Minera Antucoya	6,105	2,616
D. Fernandez	General Manager, FCAB	4,226	1,812
Total number of Shares to which awards relate		159,509	68,358

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 2028, 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 2028, have been met.

Restricted awards are subject to continued employment and normally one third will vest in March 2027, one third in March 2028 and the final third in March 2029.

The above transaction took place outside of a trading venue.

2.         The Company announces that, on 29 March 2026, restricted awards granted under the LTIP on 29 March 2025 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	17,049	567,334
O. Araneda	COO	1,893	62,993
M. Ortiz	CFO	1,893	62,993
G.  Barcelo	Vice President, People and Organisation	1,893	62,993
M.  Larraín	Vice President, Planning and Technical Services	1,893	62,993
K. Jenny	Vice President, Corporate Affairs	1,472	48,983
A. Vial	Vice President, Sustainability	1,031	34,308
P. Enei	Vice President, Legal	1,693	56,337
R.  Aguilar	Vice President, Strategy and Innovation	1,893	62,993
R. Bravo	Vice President, Sales	1,472	48,983
J. Bermudez	Vice President, Projects	1,472	48,983
N. Rivera	General Manager, Minera Centinela	1,472	48,983
M. Osses	General Manager, Minera Zaldívar	1,185	39,433
I. Fadic	General Manager, Minera Antucoya	1,472	48,983
D. Fernandez	General Manager, FCAB	1,136	37,802
Total number of Shares to which awards relate that vested and cash received		38,919	1,295,094

The market value of the Shares on the date the awards vested was £ 33.2767.

The above transaction took place outside of a trading venue. 

3.         The Company announces that, on 29 March 2026, 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	458,852
O. Araneda	COO	1,785	59,399
M. Ortiz	CFO	1,785	59,399
G.  Barcelo	Vice President, People and Organisation	1,785	59,399
M.  Larraín	Vice President, Planning and Technical Services	1,785	59,399
K. Jenny	Vice President, Corporate Affairs	1,388	46,188
A. Vial	Vice President, Sustainability	859	28,585
P. Enei	Vice President, Legal	1,596	53,110
R.  Aguilar	Vice President, Strategy and Innovation	1,785	59,399
R. Bravo	Vice President, Sales	988	32,877
J. Bermudez	Vice President, Projects	1,388	46,188
M. Osses	General Manager, Minera Zaldívar	1,117	37,170
I. Fadic	General Manager, Minera Antucoya	1,388	46,188
Total number of Shares to which awards relate that vested and cash received		31,438	1,046,153

The market value of the Shares on the date the awards vested was £ 33.2767.

The above transaction took place outside of a trading venue.

4.          The Company announces that, on 29 March 2026, 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	472,163
O. Araneda	COO	2,390	79,531
M. Ortiz	CFO	2,390	79,531
G.  Barcelo	Vice President, People and Organisation	1,859	61,861
M.  Larraín	Vice President, Planning and Technical Services	2,390	79,531
K. Jenny	Vice President, Corporate Affairs	1,859	61,861
A. Vial	Vice President, Sustainability	1,151	38,301
P. Enei	Vice President, Legal	2,138	71,146
R.  Aguilar	Vice President, Strategy and Innovation	2,390	79,531
R. Bravo	Vice President, Sales	1,323	44,025
M. Osses	General Manager, Minera Zaldívar	620	20,632
I. Fadic	General Manager, Minera Antucoya	1,859	61,861
Total number of Shares to which awards relate that vested and cash received		34,558	1,149,974

The market value of the Shares on the date the awards vested was £ 33.2767.

The above transaction took place outside of a trading venue.

5.         The Company announces that, on 29 March 2026, performance 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	99,321	3,215,838
O. Araneda	COO	16,729	541,655
M. Ortiz	CFO	16,729	541,655
G.  Barcelo	Vice President, People and Organisation	13,011	421,273
M.  Larraín	Vice President, Planning and Technical Services	16,729	541,655
K. Jenny	Vice President, Corporate Affairs	13,011	421,273
A. Vial	Vice President, Sustainability	3,451	111,737
P. Enei	Vice President, Legal	14,962	484,443
R.  Aguilar	Vice President, Strategy and Innovation	16,729	541,655
R. Bravo	Vice President, Sales	3,971	128,574
M. Osses	General Manager, Minera Zaldívar	1,858	60,159
I. Fadic	General Manager, Minera Antucoya	13,011	421,273
Total number of Shares to which awards relate that vested and cash received		229,512	7,431,190

The overall performance score in connection with these awards was 97.3%.

The market value of the Shares on the date the awards vested was £ 33.2767.

The above transaction took place outside of a trading venue.

Investors - London                                                                                 Media - London

Rosario Orchard                      [e-mail]             Sara Powell             [e-mail]

Robert Simmons                     [e-mail]           Ben Brewerton

Telephone                                 [phone]                                Nick Hennis

                                                                                                        Telephone               [phone]

                                                                                                                   Media - Santiago

                                                                                                                   Pablo Orozco           [e-mail]

                                                                                                                   Carolina Pica           [e-mail]

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END