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RESULTS OF 2026 ANNUAL GENERAL MEETING

RNS Number : 5006D

Antofagasta PLC

07 May 2026

ANTOFAGASTA PLC

At today's Annual General Meeting, a poll was held on each of the resolutions proposed in the Notice of Meeting dated 19 March 2026.

The results of the polls are:

Resolution		Votes For		Votes Against		Votes Cast as % of Issued Share Capital	Votes withheld
(1)	Adopt the 2025 Annual Report and Financial Statements	1,104,043,653		35,202		93.10%	3,350,852
	Adopt the 2025 Annual Report and Financial Statements	100.00%		0.00%

(2)	Approve the 2025 Remuneration Report	1,081,551,379		25,827,484		93.38%	50,844
	Approve the 2025 Remuneration Report	97.67%		2.33%

(3)	Approve the 2026 Remuneration Policy	1,045,808,029		61,551,232		93.38%	70,446
	Approve the 2026 Remuneration Policy	94.44%		5.56%

(4)	Declare a final dividend	1,106,705,353		707,524		93.39%	16,830
	Declare a final dividend	99.94%		0.06%

(5)	Re-elect Jean-Paul Luksic as a Director	994,995,827		110,417,813		93.22%	2,016,067
	Re-elect Jean-Paul Luksic as a Director	90.01%		9.99%

(6)	Re-elect Francisca Castro as a Director	1,069,407,116		37,998,825		93.38%	23,766
		96.57%		3.43%
		238,754,986	*	37,998,825	*
		86.27%	*	13.73%	*

(7)	Re-elect Ramón Jara as a Director	1,071,239,875		36,165,789		93.38%	24,043
	Re-elect Ramón Jara as a Director	96.73%		3.27%

(8)	Re-elect Juan Claro as a Director	1,095,198,897		12,206,760		93.38%	24,050
	Re-elect Juan Claro as a Director	98.90%		1.10%

(9)	Re-elect Michael Anglin as a Director	1,105,714,064		1,691,817		93.38%	23,826
		99.85%		0.15%
		275,061,934	*	1,691,817	*
		99.39%	*	0.61%	*

	(10)		Re-elect Tony Jensen as a Director		1,094,397,536			13,008,353			93.38%		23,818
					98.83%			1.17%
					263,745,406	*		13,008,353	*
					95.30%	*		4.70%	*

	(11)		Re-elect Eugenia Parot as a Director		1,104,878,821			1,709,632			93.32%		841,254
					99.85%			0.15%
					274,226,691	*		1,709,632	*
					99.38%	*		0.62%	*

	(12)		Re-elect Heather Lawrence as a Director		1,105,718,597			1,687,333			93.38%		23,777
					99.85%			0.15%
					275,066,467	*		1,687,333	*
					99.39%	*		0.61%	*

	(13)		Re-elect Tracey Kerr as a Director		1,105,747,308			1,657,750			93.38%		24,649
					99.85%			0.15%
					275,095,178	*		1,657,750	*
					99.40%	*		0.60%	*

	(14)		Elect Ignacio Bustamante as a Director		1,106,851,814			554,250			93.38%		23,643
					99.95%			0.05%
					276,199,684	*		554,250	*
					99.80%	*		0.20%	*

	(15)		Elect Andrónico Luksic as a Director		1,105,767,241			1,645,871			93.39%		16,595
					99.85%			0.15%

	(16)		Re-appoint Deloitte LLP as auditors		1,107,372,513			39,985			93.39%		17,209
					100.00%			0.00%

	(17)		Authorise the Audit and Risk Committee to fix the auditor's remuneration		1,106,995,566			416,952			93.39%		17,189
					99.96%			0.04%

	(18)		Grant Directors authority to allot securities		1,087,827,057			19,571,976			93.38%		30,674
					98.23%			1.77%

(19)		Grant Directors authority to allot securities for cash other than on a pro rata basis to shareholders		1,073,267,464			34,122,314			93.38%		39,929
				96.92%			3.08%

(20)	Grant Directors authority to allot securities for cash other than on a pro rata basis to shareholders for the purposes of an acquisition or specified capital investment	1,062,855,018	44,534,967	93.38%	39,722
		95.98%	4.02%

(21)	Authorise purchase of own shares	1,101,887,578	5,106,085	93.35%	436,044
	Authorise purchase of own shares	99.54%	0.46%

(22)	Permit general meetings to be called on not less than 14 days' clear notice	1,088,998,489	18,413,899	93.39%	17,319
		98.34%	1.66%

* Result of the votes cast by shareholders excluding the controlling shareholders.

Notes to the poll results

1. Any proxy votes that were at the discretion of the Chairman are included in the total of "votes for" each resolution.

2. Percentages of votes for and votes against each resolution are included on the basis of votes cast and therefore exclude abstentions.

3. The Company had in issue 985,856,695 Ordinary Shares carrying one vote each, and 2,000,000 5% Cumulative Preference Shares carrying 100 votes each. Accordingly, the total number of votes available was 1,185,856,695 votes and the total number of votes available excluding the controlling shareholders was 350,086,090 votes at the Annual General Meeting.

4. "Votes Cast as % of Issued Share Capital" represents the percentage of votes cast as a percentage of all votes that could have been cast on the resolution.

These results have been published on the Company's website (www.antofagasta.co.uk).

In accordance with Listing Rule 6.4.2, copies of resolutions 18, 19, 20, 21 and 22 passed at the Annual General Meeting will be submitted to the National Storage Mechanism today and will shortly be available for inspection at https://www.fca.org.uk/markets/primary-markets/regulatory-disclosures/national-storage-mechanism.

Investors - London Media - London

Rosario Orchard rorchard@antofagasta.co.uk Sara Powell antofagasta@fticonsulting.com

Robert Simmons rsimmons@antofagasta.co.uk Ben Brewerton

Telephone +44 20 7808 0988 Nick Hennis

Telephone +44 20 3727 1000

Media - Santiago

Pablo Orozco porozco@aminerals.cl

Carolina Pica cpica@aminerals.cl

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/

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END

RAGSSIFWWEMSEEI

RESULTS OF 2026 ANNUAL GENERAL MEETING - Antofagasta PLC | RNS | Ticker

RNS Number : 5006D

Antofagasta PLC

07 May 2026

ANTOFAGASTA PLC

RESULTS OF 2026 ANNUAL GENERAL MEETING

At today's Annual General Meeting, a poll was held on each of the resolutions proposed in the Notice of Meeting dated 19 March 2026.

The results of the polls are:

Resolution		Votes For		Votes Against		Votes Cast as % of Issued Share Capital	Votes withheld
(1)	Adopt the 2025 Annual Report and Financial Statements	1,104,043,653		35,202		93.10%	3,350,852
	Adopt the 2025 Annual Report and Financial Statements	100.00%		0.00%

(2)	Approve the 2025 Remuneration Report	1,081,551,379		25,827,484		93.38%	50,844
	Approve the 2025 Remuneration Report	97.67%		2.33%

(3)	Approve the 2026 Remuneration Policy	1,045,808,029		61,551,232		93.38%	70,446
	Approve the 2026 Remuneration Policy	94.44%		5.56%

(4)	Declare a final dividend	1,106,705,353		707,524		93.39%	16,830
	Declare a final dividend	99.94%		0.06%

(5)	Re-elect Jean-Paul Luksic as a Director	994,995,827		110,417,813		93.22%	2,016,067
	Re-elect Jean-Paul Luksic as a Director	90.01%		9.99%

(6)	Re-elect Francisca Castro as a Director	1,069,407,116		37,998,825		93.38%	23,766
		96.57%		3.43%
		238,754,986	*	37,998,825	*
		86.27%	*	13.73%	*

(7)	Re-elect Ramón Jara as a Director	1,071,239,875		36,165,789		93.38%	24,043
	Re-elect Ramón Jara as a Director	96.73%		3.27%

(8)	Re-elect Juan Claro as a Director	1,095,198,897		12,206,760		93.38%	24,050
	Re-elect Juan Claro as a Director	98.90%		1.10%

(9)	Re-elect Michael Anglin as a Director	1,105,714,064		1,691,817		93.38%	23,826
		99.85%		0.15%
		275,061,934	*	1,691,817	*
		99.39%	*	0.61%	*

	(10)		Re-elect Tony Jensen as a Director		1,094,397,536			13,008,353			93.38%		23,818
					98.83%			1.17%
					263,745,406	*		13,008,353	*
					95.30%	*		4.70%	*

	(11)		Re-elect Eugenia Parot as a Director		1,104,878,821			1,709,632			93.32%		841,254
					99.85%			0.15%
					274,226,691	*		1,709,632	*
					99.38%	*		0.62%	*

	(12)		Re-elect Heather Lawrence as a Director		1,105,718,597			1,687,333			93.38%		23,777
					99.85%			0.15%
					275,066,467	*		1,687,333	*
					99.39%	*		0.61%	*

	(13)		Re-elect Tracey Kerr as a Director		1,105,747,308			1,657,750			93.38%		24,649
					99.85%			0.15%
					275,095,178	*		1,657,750	*
					99.40%	*		0.60%	*

	(14)		Elect Ignacio Bustamante as a Director		1,106,851,814			554,250			93.38%		23,643
					99.95%			0.05%
					276,199,684	*		554,250	*
					99.80%	*		0.20%	*

	(15)		Elect Andrónico Luksic as a Director		1,105,767,241			1,645,871			93.39%		16,595
					99.85%			0.15%

	(16)		Re-appoint Deloitte LLP as auditors		1,107,372,513			39,985			93.39%		17,209
					100.00%			0.00%

	(17)		Authorise the Audit and Risk Committee to fix the auditor's remuneration		1,106,995,566			416,952			93.39%		17,189
					99.96%			0.04%

	(18)		Grant Directors authority to allot securities		1,087,827,057			19,571,976			93.38%		30,674
					98.23%			1.77%

(19)		Grant Directors authority to allot securities for cash other than on a pro rata basis to shareholders		1,073,267,464			34,122,314			93.38%		39,929
				96.92%			3.08%

(20)	Grant Directors authority to allot securities for cash other than on a pro rata basis to shareholders for the purposes of an acquisition or specified capital investment	1,062,855,018	44,534,967	93.38%	39,722
		95.98%	4.02%

(21)	Authorise purchase of own shares	1,101,887,578	5,106,085	93.35%	436,044
	Authorise purchase of own shares	99.54%	0.46%

(22)	Permit general meetings to be called on not less than 14 days' clear notice	1,088,998,489	18,413,899	93.39%	17,319
		98.34%	1.66%

* Result of the votes cast by shareholders excluding the controlling shareholders.

Notes to the poll results

1. Any proxy votes that were at the discretion of the Chairman are included in the total of "votes for" each resolution.

2. Percentages of votes for and votes against each resolution are included on the basis of votes cast and therefore exclude abstentions.

4. "Votes Cast as % of Issued Share Capital" represents the percentage of votes cast as a percentage of all votes that could have been cast on the resolution.

These results have been published on the Company's website (www.antofagasta.co.uk).

Investors - London Media - London

Rosario Orchard rorchard@antofagasta.co.uk Sara Powell antofagasta@fticonsulting.com

Robert Simmons rsimmons@antofagasta.co.uk Ben Brewerton

Telephone +44 20 7808 0988 Nick Hennis

Telephone +44 20 3727 1000

Media - Santiago

Pablo Orozco porozco@aminerals.cl

Carolina Pica cpica@aminerals.cl

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/

END

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TIDM	ANTO
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Date	7 May 2026
Time	18:27:35
Category	AGMs and other meetings
ID	5006D

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Date	7 May 2026
Time	18:27:35
Category	AGMs and other meetings
ID	5006D

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RESULTS OF 2026 ANNUAL GENERAL MEETING

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