TR1: Notification Major Interest in Shares

RELEASE, 30 MAY 2019

TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer andto the FCA in Microsoft Word format if possible)i

1a. Identity of the issuer or the underlying issuer of	Antofagasta PLC
existing shares to which voting rights are attachedii:	(LEI: 213800MY6QVH4FVLD628)

1b. Please indicate if the issuer is a non-UK issuer	(please mark with an "X" if appropriate)
Non-UK issuer
2. Reason for the notification (please mark the appropriate box or boxes with an "X")
An acquisition or disposal of voting rights			X
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify)iii:
3. Details of person subject to the notification obligationiv
Name		Royal Bank of Canada
City and country of registered office (if applicable)		Toronto, Ontario, Canada
4. Full name of shareholder(s) (if different from 3.)v
		RBC Global Asset Management Inc. ("RBC GAM")
		RBC Phillips, Hager & North Investment Counsel Inc.
Name		("PH&N IC")
	RBC Private Counsel (USA) Inc. ("RBC Private
		Counsel")
		Royal Trust Corporation of Canada ("Royal Trust")
City and country of registered office (if applicable)		Toronto, Canada
5. Date on which the threshold was crossed or		24/05/2019
reachedvi:
6. Date on which issuer notified (DD/MM/YYYY):		29/05/2019

7. Total positions of person(s) subject to the notification obligation

	% of voting rights	% of voting rights		Total number of
	through financial	Total of both in %
	attached to shares	voting rights of
	instruments	(8.A + 8.B)
	(total of 8. A)	issuervii
	(total of 8.B 1 + 8.B 2)
Resulting situation
on the date on which	3.002%	N/A	3.002%	29,611,089
threshold was
crossed or reached
Position of previous
notification (if	N/A	N/A	N/A
applicable)

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii

A: Voting rights attached to shares

Class/type of	Number of voting rightsix			% of voting rights
shares
ISIN code (if possible)	Direct		Indirect		Direct	Indirect
(Art 9 of Directive		(Art 10 of		(Art 9 of Directive	(Art 10 of Directive
	2004/109/EC)		Directive		2004/109/EC) (DTR5.1)	2004/109/EC)
	(DTR5.1)		2004/109/EC)			(DTR5.2.1)
					(DTR5.2.1)
Common Stock (ISIN:	29,570,536
(RBC GAM)				2.998%
GB0000456144)
	38,133
	(PH&N IC)				0.004%
	1,770
	(RBC Private Counsel)				0.000%
	650
	(Royal Trust)				0.000%
SUBTOTAL 8. A			29,611,089			3.002%
B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))
						Number of voting rights
Type of financial	Expiration		Exercise/		that may be acquired if	% of voting rights
instrument	datex		Conversion Periodxi	the instrument is
						exercised/converted.
N/A
			SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of financial	Expiration	Exercise/	Physical or	Number of
Conversion	cash	% of voting rights
instrument	datex	voting rights
Period xi	settlementxii
N/A

SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii

Fullchain of controlled undertakings through which the voting rights and/or the

financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxivX (please add additional rows as necessary)

		% of voting rights
	% of voting rights if it	through financial	Total of both if it equals
Namexv	equals or is higher than	instruments if it equals	or is higher than the
	the notifiable threshold	or is higher than the	notifiable threshold
		notifiable threshold
RBC GAM	2.998%	N/A	2.998%
Capital Funding Alberta
Limited (controlling entity
holding 100% of RBC	2.998%	N/A	2.998%
GAM)
Royal Bank Holding Inc.
(controlling entity holding
100% of Capital Funding	2.998%	N/A	2.998%
Alberta Limited)
Royal Bank of Canada
(controlling entity holding
100% of Royal Bank	2.998%	N/A	2.998%
Holding Inc.)

PH&N IC	0.004%	N/A	0.004%
Royal Bank Holding Inc.
(controlling entity holding	0.004%	N/A	0.004%
100% of PH&N IC)

Royal Bank of Canada
(controlling entity holding	0.004%	N/A	0.004%
100% of Royal Bank
Holding Inc.)
RBC Private Counsel	0%	N/A	0%
Royal Bank Holding Inc.
(controlling entity holding	0%	N/A	0%
100% of RBC Private
Counsel)
Royal Bank of Canada
(controlling entity holding	0%	N/A	0%
100% of Royal Bank
Holding Inc.)
Royal Trust	0%	N/A	0%
Royal Bank Of Canada
(controlling entity holding	0%	N/A	0%
100% of Royal Trust)
10. In case of proxy voting, please identify:
Name of the proxy holder		N/A
The number and % of voting rights held	N/A
The date until which the voting rights will be held	N/A

11. Additional informationxvi

Place of completion	Toronto, Ontario, Canada
Date of completion	29/05/2019