Robert A. Pilkington

ASA Gold & Precious Metals Ltd. engages in the investment in the securities of companies engaged in the exploration, mining, and processing of gold, silver, platinum, diamonds, and other precious metals. The company was founded by Charles Engelhard on June 12, 1958 and is headquartered in Portland, ME.

Avocet Capital Management LP is an Austin, Texas-based hedge fund manager.

Avocet Mining Plc engages in the mining and exploration of gold in West Africa. It operates the Burkina Faso and Guinea projects. The company was founded on March 16, 1995 and is headquartered in London, the United Kingdom.

UBS Ltd. provides financial services. It specializes in securities underwriting, mergers and acquisitions advisory, fixed-income products, foreign exchange and prime brokerage. The firm also offers securities brokerage and investment banking services. Its clients include institutions, corporations, governments, intermediaries and alternative investment managers. The company was founded on July 9, 1986 and is headquartered in London, the United Kingdom.

UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients.