Gloucester Coal has entered into an agreement with Noble, to acquire 100% interest in Donaldson Coal Holdings.

The total value of the transaction is A$585m ($618.3m).

Donaldson Coal owns one open cut mine and two underground mines in New South Wales, Australia, which produce thermal coal and semi-soft coking coal products.

Gloucester has also entered into an agreement with the Ellemby Holdings to acquire Ellemby and its controlled entities named ‘Monash’ for a total value of A$30m ($31.7m).

Monash assets include two exploration licences, EL 6123 and EL 7579, covering 22.19km2 in New South Wales and consists about 287 million tonnes of export grade coking and thermal coal.

The proposed Donaldson acquisition is interconditional with the Monash acquisition and is subject to various conditions, including Gloucester shareholder approval.