Hochschild Regulatory News (HOC)

Disclosure and Transparency Rule 3.1.4R

Hochschild Mining plc (the "Company") announces that Navajo International Holdings Ltd ("Navajo"), an entity related to Roberto Danino, one of the Company's Executive Directors, has sold a total of 225,000 Ordinary Shares in the Company (the "Shares").

149,266 Shares were sold on 22 September 2010 at a price of £4.213356 per Share and 75,734 Shares were sold today at a price of £4.1806 per Share.

These transactions, which were notified to the Company today, were completed on the London Stock Exchange.

Following these transactions, Navajo retains an interest in 500,000 Shares.