Whitehaven Coal (ASX:WHC) said its coal resources increased 6% to 1,919 million tonnes from 1,817 million tonnes on April 1, at its Blackwater Mine in Queensland, according to a Monday filing with the Australian bourse.
Total recoverable reserves increased to 365 million tonnes from 191 million tonnes, the filing said.
Meanwhile, marketable reserves increased to 298 million tonnes from 169 million tonnes in August, the filing added.