Arizona Mining, Inc.

Teck is a diversified resource company committed to responsible mining and mineral development with business units focused on copper, steelmaking coal, zinc and energy, and is also a significant producer of specialty metals such as germanium and indium. We are headquartered in Vancouver, Canada. We own, or have an interest in, 13 mines in Canada, the USA, Chile and Peru, as well as one metallurgical complex. We are actively exploring for copper, zinc and gold in the Americas, Asia Pacific, Europe and Africa. We have expertise across a wide range of activities related to mining and minerals processing including exploration, development, smelting, refining, safety, environmental protection, product stewardship, recycling and research

We are a globally diversified natural resources group committed to sustainable development, supporting local communities and contributing to the economies of the areas where we operate. Our assets and operations are located in the high growth markets of India, Zambia, Namibia, South Africa, Liberia, Ireland and Australia. We are primarily engaged in copper, zinc, silver, aluminium, iron ore and power business. We have experienced significant growth in recent years through various expansion projects for our copper, zinc, lead silver, aluminium, iron power and power businesses. Our Group Revenue for the fiscal year ending 31 March 2011 was US$ 11.4 billion. We have spent approximately two-third of our US$ 19 billion capital expenditure programme as of 30 September 2011. We are the world’s largest integrated Zinc Lead producer and among the top producers of copper, iron ore and silver. We embed sustainable development into all aspects of what we do and support communities where we operate to improve their quality of life. About 2.7 million people in about 550 villages have benefitted from our programmes that include sustainable livelihood development, education, women empowerment, and healthcare. Our aanganwadis cater to 1.25 lakh children, while as many as 2.5 lakh children receive nutritious meals every day. Investments in computer education has benefitted 10 lakh students, while we have provided healthcare for over 22 lakh people. We also support more than 35,000 women through 2,000 women self-help groups. In the last five years, we have reduced our energy consumption by over 40%. Last year, we planted 759,000 trees bringing the total number of trees on our operations to 12 million

Pan American Silver Corp. engages in the exploration, development, extraction, processing, refining, and reclamation of mineral properties. It owns and operates silver mines located in Peru, Mexico, Argentina, and Bolivia. The company operates through the following segments: Silver, Gold, and Other. Pan American Silver was founded by Ross J. Beaty and John J. Wright in April 1994 and is headquartered in Vancouver, Canada.