The company generated nearly A$1.1 billion (US$812.4 million) over the 12 months to 30 June, a 15% improvement on the A$937.4 million generated a year earlier.
The jump in revenue came despite the average gas price falling from A$4.12 per gigajoule to $3.22 per GJ, while the average crude price slipped from about A$92 per barrel to A$61 per barrel.
Helping offset the fall in commodity prices was a 57% surge in production, to 231.5