Shareholders will be the main beneficiaries of the company's cautious approach to capital expenditure in the last three years as it will pay bigger-than-expected divvy of $1.70 per share.
Miner says that each month of delay in obtaining approval to export means production would be reduced by 70 million pounds of copper and 70,000 ounces of gold.
Higher commodity exports delivered a record trade surplus of $3.5 billion in December, the second monthly trade surplus Australia has recorded in nearly three years.