Disclosure of Interest

8 Nov 2006 13:25

Hochschild Mining PLC08 November 2006 8 November 2006 Hochschild Mining PLC NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Name of listed company Hochschild Mining PLC 2. Name of shareholder having a major interest Merrill Lynch International Investment Fund 3. Please state whether notification indicates that it is regarding the holdingof the shareholder named in 2 above; in respect of a non beneficial interest; orin the case of an individual holder if it is a holding of that person's spouseor children under the age of 18 In (2) above 4. Name of the registered holder(s) and, if more than one holder, the number ofshares held by each of them Registered holder not disclosed 5. Number of shares / amount of stock acquired 15,100,000 6 Percentage of issued class (any treasury shares held by the listed companyshould not be taken into account when calculating percentage) 4.91% 7. Number of shares / amount of stock disposed N/a 8 Percentage of issued class (any treasury shares held by the listed companyshould not be taken into account when calculating percentage) N/a 9. Class of security Ordinary shares of 50 pence 10. Date of transaction 3 November 2006 11. Date listed company informed 7 November 2006 12. Total holding following this notification 15,100,000 13. Total percentage holding of issued class following this notification (anytreasury shares held by the listed company should not be taken into account whencalculating percentage) 4.91% 14. Any additional information Notification issued to the Company by BlackRock Investment Management (UK) Limited. 15. Name of contact and telephone number for queries Chris Stamp, +44 (0)20 7917 6285 16. Name and signature of duly authorised officer of the listed companyresponsible for making this notification Chris Stamp, Authorised Representative, Prism CoSec Ltd, Company Secretary Date of notification 8 November 2006 This information is provided by RNS The company news service from the London Stock Exchange