Whitehaven Coal Ltd is an Australia-based company engaged in the production of coal. The Company is focused on the development and operation of coal mines in New South Wales and Queensland. The Company operates through two segments: open cut operations and underground operations. It operates four mines, three open cut and one underground, in the Gunnedah Coal Basin in North West New South Wales, producing metallurgical and thermal coal for export to developing economies across North and South East Asia. It also operates two development assets , Vickery, near Gunnedah, and Winchester South, in Queensland's Bowen Basin. The Company produces coal using open-cut mining methods at Maules Creek, Tarrawonga, and Werris Creek, and underground mining methods at Narrabri. The Maules Creek is located approximately 45 kilometers south east of Narrabri. The Narrabri underground mine is located approximately 17 kilometers south-east of Narrabri and 70 kilometers north-west of Gunnedah.