Ten Sixty Four Limited, together with its subsidiaries, engages in the exploration, evaluation, development, production, and sale of gold properties in the Asia Pacific. Its flagship property is the Co-O Gold Mine, which includes 410 km² of tenements covering an area of approximately 70km of strike length located in Central Eastern Mindanao in the Republic of the Philippines. The company was formerly known as Medusa Mining Limited and changed its name to Ten Sixty Four Limited in May 2022. Ten Sixty Four Limited was incorporated in 2002 and is based in West Perth, Australia.