Ian Masterton-Hume

Sentient (Aust) Pty Ltd. (Sentient) is a private equity investment firm based in Sydney, Australia. They are a subsidiary of the Sentient Group, established in 2000 by Peter Cassidy and Colin Maclean with headquarters in the Cayman Islands. The group also has offices in Montreal and Munich. The firm's investors include corporate pension funds, family offices, institutional investors such as university endowment funds, government agencies as well as resource industry participants. The group's flagship fund is the closed-end private equity Sentient Global Resources Funds.

HudBay Peru, Inc. provides exploration and mining services. It acquires and develops mineral exploration properties. The company was founded by Marc E. Levy on June 10, 1977 and is headquartered in Vancouver, Canada.

Andean Resources Ltd. operated as a mineral resource company. The company was headquartered in Fremantle, Australia.

The Group's principal activity is that of a mining development and exploration company. It currently focuses its resources primarily on the development of San Cristobal Project in Bolivia. San Cristobal is an open-pit silver-zinc-lead deposit, containing approximately 450 million ounces of silver, eight billion pounds of zinc and three billion pounds of lead in proven and probable reserves. San Cristobal is expected to produce approximately 17 million ounces of silver, 225,000 tonnes of zinc and 82,000 tonnes of lead per year on a payable basis in the first five years of operation. The project currently has sufficient reserves to operate for approximately 16 years with a current design capacity of 40,000 tonnes of ore per day. The Group also holds an extensive portfolio of highly prospective exploration properties located primarily in the traditional precious metals-producing regions of Argentina, Peru, Mexico and Bolivia.