Griffin Mining Limited was formed in May 1988 in Bermuda as a mining finance company, formerly known as European Mining Finance Ltd. In June 1997, the Company’s shares were admitted to trading on the Alternative Investment Market (“AIM”) of the London Stock Exchange. In October 1997, the Company changed its principal activities to mining and its name to Griffin Mining Limited. In November 1997 Griffin acquired a 50% equity interest in China Zinc Pty Ltd which held a 60% interest in the Hebei Hua Ao Mining Industry Company Limited Chinese joint venture (“Hebei Hua Ao”) which held the mineral exploration rights at Caijiaying in the Hebei Province in Northern China. In March 1998, Griffin acquired the remaining 50% equity stake in China Zinc Pty Ltd, giving Griffin a controlling 60% interest in Hebei Hua Ao.In June 2005 Griffin completed the construction of the first new foreign owned and operated mine and processing plant in China at Caijiaying, which currently produces around 60,000 tonnes of zinc concentrate per annum together with gold, silver and lead. The mine and processing facilities are being further developed to significantly increase current production rates.Griffin has been the leader in foreign investment in mining in China having been engaged in developing the Caijiaying zinc gold project since 1997. Caijiaying is located in the Hebei Province, some 200 km north west of Beijing. Griffin's local subsidiary company, Hebei Hua Ao, was the first foreign controlled entity to receive an exploration licence in the Peoples Republic of China and the first to be awarded a new mining licence over a metal deposit in China, as well as being the first to construct a new mine.