Brian F. Horwood

Oil Search Ltd. engages in the business of oil and gas exploration. It operates through the following segments: PNG Business Unit, Alaska Business Unit, and Centre. The PNG Business Unit segment engages in the development, production, and sale of liquefied natural gas, crude oil, condensate, naphtha, and other refined products. The Alaska Business Unit segment is involved in the exploration, evaluation, and development of hydrocarbons in the United States of America. The Centre segment consists of corporate activities needed to shape, safeguard, and service the business units and the group. The company was founded on January 17, 1929 and is headquartered in Sydney, Australia.

Rio Tinto Australian Holdings Ltd. engages in mining and exploration of copper ores. The company is headquartered in London, the United Kingdom.

Coal & Allied Industries Ltd. explores and mines for coal and conducts coal related operations. Its products include thermal coal, semi-soft coking coal and pulverized injection coal, which are used in the electricity generation, steel production and cement manufacturing industries. The company was founded in 1960 and is headquartered in Brisbane, Australia.

The Business Council of Australia operates as a forum for the chief executives of Australia's largest companies to promote economic and social progress in the national interest. The private company is based in Melbourne, Australia. The Australian company was founded by Bavaguthu Raghuram Shetty. Jennifer Anne Westacott has been the CEO of the company since 2011.

The Minerals Council of Australia operates as an industry association. The non-profit company is based in Kingston, Australia. The Australian company was founded by Gavan David Collery. Tania Constable has been the CEO of the company since 2018.