March 2026 Quarterly Report

• Managed ROM production of 9.5Mt, 14% lower than prior quarter due to seasonality
• Equity sales of 6.8Mt, broadly consistent with prior quarter
• Metallurgical and thermal coal prices improved, with PLV HCC up 18% and gC NEWC up 11% quarter-on-quarter
• On track to deliver A$60-80 million in annualised cost savings by June 2026

Whitehaven Coal Limited has reported its March 2026 (Q3 FY26) Quarterly Production Report. The company delivered solid ROM production and strong sales across both its Queensland and New South Wales operations. Managed ROM production was 9.5Mt, 14% lower than the prior quarter, reflecting seasonality and the strong prior quarter. Equity sales of produced coal were 6.8Mt, broadly consistent with the December quarter. Metallurgical and thermal coal prices improved, with the PLV HCC Index up 18% and the gC NEWC Index up 11% quarter-on-quarter. The company remains on track to deliver the targeted A$60 million to A$80 million of annualised cost savings by 30 June 2026. Whitehaven's net debt at 31 March 2026 was A$0.6 billion, and the company has recently refinanced its acquisition debt and smaller facilities, delivering interest savings of A$50-55 million per annum from May 2026. The company's Queensland operations delivered managed ROM production of 4.1Mt, 28% lower than the prior quarter due to the impact of the wet season, while its New South Wales operations produced 5.4Mt, in line with the previous quarter. Whitehaven's FY26 guidance remains unchanged, with ROM coal production and coal sales tracking to be firmly in the upper half of the guidance range.

FY26 ROM coal production guidance of 37.0 - 41.0Mt, with QLD operations at 18.3 - 20.1Mt and NSW operations at 18.7 - 20.9Mt. FY26 managed coal sales guidance of 29.5 - 33.0Mt, with QLD operations at 14.6 - 16.1Mt and NSW operations at 14.9 - 16.9Mt. FY26 unit cost of coal (excluding royalties) guidance of A$130 - A$145/t.