Annual Information Update

RNS Number : 9553E

Antofagasta PLC

15 April 2011

Antofagasta plc

ANNUAL INFORMATION UPDATE

London, 15 April 2011

This annual information update is made by Antofagasta plc (the "Company") in accordance with Prospectus Rule 5.2. The information detailed below has been published or made available to the public over the previous 12 months.

The information referred to below was correct at the time it was published but may now be out of date.

A. Announcements made via a Regulatory Information Service

The following announcements were made via a Regulatory Information Service:

Date	Description of Announcement
15 April 2011	Annual Report and Financial Statements and Notice of Meeting
8 March 2011	2010 Preliminary Results Announcement
8 March 2011	Update on Acquisition of Franconia Minerals Corporation by Antofagasta plc and Duluth Metals Limited
1 March 2011	Directorate Changes (appointment of Timothy Baker and resignation of Daniel Yarur)
2 February 2011	Quarterly Production Report Q4 2010
20 January 2011	Directorate Change (appointment of Hugo Dryland)
12 January 2011	Voluntary changes to Chilean mining tax
20 December 2010	Proposed Acquisition of Franconia Minerals Corporation
29 November 2010	Composition of the Remuneration Committee
25 November 2010	Q3 Results 2010
3 November 2010	Quarterly Production Report Q3 2010
22 September 2010	Interim Dividend - amount payable in sterling
24 August 2010	Half Yearly Financial Report
4 August 2010	Quarterly Production Report Q2 2010
21 July 2010	Closing of Nokomis Transaction
9 June 2010	Results of AGM
9 June 2010	AGM Statement
27 May 2010	Q1 Results 2010
12 May 2010	Final Dividend (including Special) - amount payable in sterling
5 May 2010	Quarterly Production Report Q1 2010
30 April 2010	Annual Information Update
28 April 2010	Notification of Major Interest in Shares
27 April 2010	Director/PDMR Shareholding
26 April 2010	Annual Financial Report Announcement

Copies of these announcements can be obtained from the London Stock Exchange website, http://www.londonstockexchange.com/news/news/finance.htm, and from the investor relations pages of the Company's website, www.antofagasta.co.uk.

B. Documents filed at Companies House

The following documents were filed with the Registrar of Companies in England and Wales on or around the dates indicated:

Date	Document Filed
16 March 2011	Form AP01, appointment of a director (Timothy Baker)
14 March 2011	Form AR01, updated annual return made up to 20 June 2010
14 March 2011	Form TM01, termination of the appointment of a director (Daniel Yarur)
14 March 2011	Form AD03, notice of registers being moved to SAIL address
7 March 2011	Form AD02, notice of creation of SAIL address
28 January 2011	Form AP01, appointment of a director (Hugo Dryland)
22 July 2010	Form AR01, annual return made up to 19 June 2010
1 July 2010	Form CH01, director's change of particulars (Charles Bailey)
1 July 2010	Form CH01, director's change of particulars (Juan Claro)
1 July 2010	Form CH01, director's change of particulars (William Vail)
1 July 2010	Form CH01, director's change of particulars (Ramon Araya)
1 July 2010	Form CH01, director's change of particulars (Guillermo Luksic)
1 July 2010	Form CH01, director's change of particulars (Jean-Paul Luksic)
1 July 2010	Form CH01, director's change of particulars (Gonzalo Menendez)
1 July 2010	Form CH01, director's change of particulars (Daniel Yarur)
22 June 2010	Special Resolution passed at Annual General Meeting held on 9 June 2010, granting authority to allot shares and debentures
22 June 2010	Special Resolution passed at Annual General Meeting held on 9 June 2010, granting authority to purchase shares other than from capital
22 June 2010	Special Resolution passed at Annual General Meeting held on 9 June 2010, authorising the calling of general meetings (other than annual general meetings) on 14 clear days' notice
22 June 2010	Special Resolution passed at Annual General Meeting held on 9 June 2010, adopting new articles of association
21 June 2010	Group accounts made up to 31 December 2009

Copies of these documents are available to download from the Companies House website, www.companieshouse.gov.uk, or can be obtained from Companies House, Crown Way, Maindy, Cardiff CF14 3UZ.

C. Documents submitted to the Financial Services Authority

The following documents were filed with the Financial Services Authority on or around the dates indicated:

Date	Document
15 April 2011	Annual Report and Financial Statements
15 April 2011	Notice of Annual General Meeting
15 April 2011	Form of Proxy for Ordinary Shareholders and Preference Shareholders for Annual General Meeting
15 April 2011	Letter to shareholders regarding electronic communications
24 August 2010	Interim Report and Financial Statements
26 April 2010	Annual Report and Financial Statements
26 April 2010	Notice of Annual General Meeting
26 April 2010	Form of Proxy for Ordinary Shareholders and Preference Shareholders for Annual General Meeting
26 April 2010	Letter to shareholders regarding electronic communications

All of these documents were sent to shareholders on or around the same date.

These documents can be viewed via the National Storage Mechanism, www.hemscott.com/nsm.do, which can be searched by company name together with filing date and/or document type. Copies of these documents (other than the forms of proxy) can also be obtained from the financial information, investor relations and download pages of the Company's website, www.antofagasta.co.uk.

D. Documents submitted to the Canadian Securities Administrators

The following document was filed with the Canadian Securities Administrators in the System for Electronic Document Analysis and Retrieval (SEDAR) on or around the date indicated: