Wesfarmers' resources division has won a 53% price rise for its coking coal exports for the June quarter.

The company told the ASX yesterday that the price for the June quarter will be $US328 a tonne, compared to the $US221 a tonne for the previous quarter.

Wesfarmers said that "weighted average US$FOB for new contract prices of Curragh metallurgical coal (hard coking, semi-hard coking and PCI) will increase by approximately 53 per cent as compared to the January 2011 to March 2011 quarter prices.

"All of Curragh's contracted tonnage for this quarter has moved to a quarterly pricing mechanism."

The company said that around half