Holding(s) in Company

Antofagasta PLC 30 January 2006 news release For immediate release: 30 January 2006 Antofagasta plc SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Name of company Antofagasta plc 2. Name of shareholder having a major interest Barclays PLC 3. Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 Non-beneficial interest 4. Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them See attached schedule 5. Number of shares / amount of stock acquired Nil 6. Percentage of issued class N/A 7. Number of shares / amount of stock disposed N/A 8. Percentage of issued class N/A 9. Class of security GBP0.05 Ordinary Shares 10. Date of transaction Not known 11. Date company informed 27 January 2006 12. Total holding following this notification 7,936,212 13. Total percentage holding of issued class following this notification 4.03% 14. Any additional information N/A 15. Name of contact and telephone number for queries Hussein Barma +44 020 7808 0988 16. Name and signature of authorised company official responsible for making this notification Hussein Barma +44 020 7808 0988 Schedule to Schedule 10 Date of notification: 27 January 2006 Antofagasta plc ------------------------------- ----------- --------- Registered Holder Holding ------------------------------- ----------- --------- Barclays Capital Nominees Limited 315,949 ------------------------------- ----------- Barclays Capital Nominees Limited -94,822 ------------------------------- ----------- Barclays Capital Nominees Limited -25,906 ------------------------------- ----------- Barclays Capital Nominees Limited 117,351 ------------------------------- ----------- Barclays Trust Co DMC69 6,750 ------------------------------- ----------- BNP Paribas 23,550 ------------------------------- ----------- Chase Nominees Ltd 41,902 ------------------------------- ----------- Chase Nominees Ltd 4,295,738 ------------------------------- ----------- Chase Nominees Ltd 24,489 ------------------------------- ----------- Chase Nominees Ltd 72,497 ------------------------------- ----------- CIBC Mellon Global Securities 15,599 ------------------------------- ----------- Investors Bank and Trust Co 319,379 ------------------------------- ----------- Investors Bank and Trust Co 4,102 ------------------------------- ----------- Investors Bank and Trust Co 36,892 ------------------------------- ----------- Investors Bank and Trust Co 25,721 ------------------------------- ----------- Investors Bank and Trust Co 785,131 ------------------------------- ----------- Investors Bank and Trust Co 6,671 ------------------------------- ----------- Investors Bank and Trust Co 1,999 ------------------------------- ----------- Investors Bank and Trust Co 32,376 ------------------------------- ----------- JP Morgan (BGI Custody) 20,318 ------------------------------- ----------- JP Morgan (BGI Custody) 4,608 ------------------------------- ----------- JP Morgan (BGI Custody) 174,357 ------------------------------- ----------- JP Morgan (BGI Custody) 44,572 ------------------------------- ----------- JP Morgan (BGI Custody) 10,061 ------------------------------- ----------- JP Morgan (BGI Custody) 54,648 ------------------------------- ----------- JP Morgan (BGI Custody) 91,477 ------------------------------- ----------- JP Morgan (BGI Custody) 821,285 ------------------------------- ----------- JP Morgan (BGI Custody) 3,381 ------------------------------- ----------- JP Morgan Chase Bank 809 ------------------------------- ----------- JP Morgan Chase Bank 6,054 ------------------------------- ----------- JP Morgan Chase Bank 6,090 ------------------------------- ----------- JP Morgan Chase Bank 211,576 ------------------------------- ----------- JP Morgan Chase Bank 15,445 ------------------------------- ----------- JP Morgan Chase Bank 3,656 ------------------------------- ----------- JP Morgan Chase Bank 33,771 ------------------------------- ----------- JP Morgan Chase Bank 18,797 ------------------------------- ----------- JP Morgan Chase Bank 56,972 ------------------------------- ----------- Master Trust Bank 5,655 ------------------------------- ----------- Mellon Trust - US Custodian 37,872 ------------------------------- ----------- Mellon Trust of New England 44,974 ------------------------------- ----------- Mitsubishi Trust International 3,495 ------------------------------- ----------- Northern Trust Bank - BGI Sepa 50,356 ------------------------------- ----------- Northern Trust Bank - BGI Sepa 13,205 ------------------------------- ----------- Northern Trust Bank - BGI Sepa 58,838 ------------------------------- ----------- RC Greig Nominees Limited 19,779 ------------------------------- ----------- RC Greig Nominees Limited a/c AK1 1,511 ------------------------------- ----------- RC Greig Nominees Limited a/c BL1 400 ------------------------------- ----------- RC Greig Nominees Limited a/c CM1 305 ------------------------------- ----------- State Street Bank & Trust 52,302 ------------------------------- ----------- State Street Trust of Canada 17,661 ------------------------------- ----------- Sumitorno 1,963 ------------------------------- ----------- The Northern Trust Co 19,105 ------------------------------- ----------- The Northern Trust Company - u 25,546 ------------------------------- ----------- --------- Total 7,936,212 ------------------------------- ----------- --------- This information is provided by RNS The company news service from the London Stock Exchange

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Antofagasta (ANTO)
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