10.Property, plant and equipment

(a)Acquisitions and disposals

During the six months ended 30 June 2025, the Group acquired assets with a cost of $32,759 thousand (30 June 2024: $28,723 thousand). This includes costs incurred for mine development amounting to $14,022 thousand (30 June 2024: $11,318 thousand) and additions to assets under construction amounting to of $18,706 thousand of $18,706 thousand (30 June 2024: $17,149 thousand).

(b)Depreciation

During the six months ended 30 June 2025, the Group recognised $37,882 thousand (30 June 2024: $34,096 thousand) of depreciation expense in cost of goods sold.