Commodity sales topped the $A100 billion mark in Western Australia for the first time last year.
Record mineral, petroleum and gold sales boosted royalty payments to the State Government to $A4.9 billion in 2010-11.
The ABC reports increased sales of iron ore and petroleum into Asia, and in particular China, are behind the increase in exports.
Mines and Petroleum Minister Norman Moore said sales had increased by about $A10 billion in the last 12 months.
He warned the Commonwealth not to try to cash in on the windfall.
