NEWS RELEASE, 6 February, 2015

NOTIFICATION OF MAJOR INTEREST IN SHARES

Antofagasta plc (the "Company") yesterday received the attached notification in relation to the 41,963,110 shares in the Company held by Aureberg Establishment, an undertaking ultimately controlled by Mr Jean-Paul Luksic, the Chairman of the Company.

The notification explains that Mr Luksic controls Aureberg Establishment via Severe Studere

Foundation.

However, there has been no change to the total shareholdings or voting rights in the Company held by Aureberg Establishment, and ultimately controlled by Mr Luksic, since the announcement made on 20 June 2006.

Investors - London Media (Brunswick)

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ANTOFAGASTA PLC
2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights [X]
An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached [ ]
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments [ ] An event changing the breakdown of voting rights [ ]
Other (please specify): [ ]
3. Full name of person(s) subject to the notification obligation: SEVERE STUDERE FOUNDATION
4. Full name of shareholder(s) (if different from 3.): AUREBERG ESTABLISHMENT
5. Date of the transaction and date on which the threshold is crossed or reached:
11 OCTOBER 2007
6. Date on which issuer notified:
5 FEBRUARY 2015
7. Threshold(s) that is/are crossed or reached:
3%
8. Notified details:
A: Voting rights attached to shares
Situation previous to the triggering transaction

Resulting situation after the triggering transaction

B: Qualifying Financial Instruments
Resulting situation after the triggering transaction

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
Resulting situation after the triggering transaction

Total (A+B+C)

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:
AUREBERG ESTABLISHMENT IS AN UNDERTAKING CONTROLLED BY SEVERE STUDERE FOUNDATION. SEVERE STUDERE FOUNDATION IS AN UNDERTAKING CONTROLLED BY JEAN-PAUL LUKSIC.
Proxy Voting:
10. Name of the proxy holder: N/A
11. Number of voting rights proxy holder will cease to hold: N/A
12. Date on which proxy holder will cease to hold voting rights: N/A
13. Additional information:
THE 41,963,110 ORDINARY SHARES HELD DIRECTLY BY AUREBERG ESTABLISHMENT, AND CONTROLLED BY SEVERE STUDERE FOUNDATION AND JEAN-PAUL LUKSIC (IN THE MANNER DESCRIBED IN 9 ABOVE), REPRESENT APPROXIMATELY 4.26% OF THE VOTING RIGHTS ATTACHING TO THE ORDINARY SHARES.
THE HOLDING OF THESE SHARES DIRECTLY BY AUREBERG ESTABLISHMENT (AND THEIR ULTIMATE CONTROL BY JEAN-PAUL LUKSIC) WAS NOTIFIED TO ANTOFAGASTA PLC IN ACCORDANCE WITH TRANSPARENCY DIRECTIVE TRANSITIONAL PROVISION 7 ON 21 MARCH 2007.
ON 11 OCTOBER 2007, SEVERE STUDERE FOUNDATION (ITSELF CONTROLLED BY JEAN-PAUL LUKSIC) ACQUIRED CONTROL OF AUREBERG ESTABLISHMENT AND, ACCORDINGLY, ACQUIRED CONTROL OF THE ORDINARY SHARES HELD BY IT.
THERE HAS BEEN NO CHANGE TO THE SHAREHOLDING OR VOTING RIGHTS IN ANTOFAGASTA PLC HELD BY AUREBERG ESTABLISHED DIRECTLY (AND ULTIMATELY CONTROLLED BY JEAN-PAUL LUKSIC) SINCE 19 JUNE 2006.
14. Contact name: DR KARL HIER
15. Contact telephone number:
+423 235 8181