Annual Information Update

RNS Number : 1959L

Antofagasta PLC

30 April 2010

Antofagasta plc

ANNUAL INFORMATION UPDATE

London, 30 April 2010

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The information referred to below was correct at the time it was published but may now be out of date.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
28 April 2010 27 April 2010 26 April 2010	Notification of Major Interest in Shares Director/PDMR Shareholding Annual Report and Financial Statements and Notice of Meeting
9 March 2010	2009 Preliminary Results Announcement
3 February 2010	Quarterly Production Report Q4 2009
14 January 2010	Joint Venture with Duluth Metals to develop Nokomis
26 November 2009	Q3 Results 2009
3 November 2009	Quarterly Production Report Q3 2009
26 October 2009	Announcement re. exploration agreement with Sunridge Gold Corporation
14 October 2009	Directorate Change
28 September 2009	Changes in the Luksic family interests in shares of Antofagasta
23 September 2009	Interim Dividend Declaration
26 August 2009	Half Yearly Financial Results
30 July 2009	Quarterly Production Report Q2 2009
13 July 2009	Acquisition of 40% interest in the Hornitos thermoelectric power plant
30 June 2009	Esperanza Project Finance Update
10 June 2009	Results of AGM
10 June 2009	AGM Statement
28 May 2009	Q1 Results 2009
18 May 2009	Esperanza Project Financing Facility
13 May 2009	Final Dividend 2009 - amount payable in sterling
30 April 2009	Quarterly Production Report Q1 2009
29 April 2009	Annual Information Update

Copies of these announcements can be obtained from the London Stock Exchange website, www.londonstockexchange.com/marketnews, 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
3 November 2009	Form TM01, termination of the appointment of a director (Jozsef Ambrus)
17 July 2009	Form 363a, annual return made up to 19 June 2009
15 June 2009	Group accounts made up to 31 December 2008
15 June 2009 15 June 2009 15 June 2009 15 June 2009	Form 123, notice of increase in nominal capital (already adjusted on 10 June 2009) Special Resolution, passed on 10 June 2009, granting authority to purchase shares other than from capital Special Resolution, passed on 10 June 2009, authorising general meetings (other than AGM's) to be called on less than 14 clear days' notice Special Resolution, passed on 10 June 2009, granting authority to allot shares and debentures

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
26 April 2010	Annual Report and Financial Statements
26 April 2010	Notice of Annual General Meeting
26 April 2010 26 April 2010	Form of Proxy for Ordinary Shareholders and Preference Shareholders for Annual General Meeting Letter to shareholders regarding electronic communications
26 August 2009	Interim Report and Financial Statements
24 April 2009	Annual Report and Financial Statements
24 April 2009	Notice of Annual General Meeting
24 April 2009	Form of Proxy for Ordinary Shareholders and Preference Shareholders for Annual General Meeting
24 April 2009	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 at the Document Viewing Facility situated at The Financial Services Authority, 25 North Colonnade, Canary Wharf, London E14 5HS. Copies of these documents (other than the forms of proxy) can also be obtained from the financial information and investor relations pages of the Company's website, www.antofagasta.co.uk.