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Coal resource estimate generated for Winchester South project

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World Coal,

Following the receipt of all the data from the previous owners, Whitehaven Coal Limited engaged Xenith Consulting Pty Ltd to generate a coal resource estimate in accordance with the JORC Code 2012, for the Winchester South project.

The project is contained within the tenement MDL 183, which is located approximately 30 km southeast of Moranbah, near the main mining precinct of the Bowen Basin.

Several drilling programmes have been conducted over the tenement (around 1250 holes) by the previous owners over a period from the early 1980s until 2014. The drilling was supported by several 2D seismic lines (approximately 60 km), and extensive coal quality testing providing sufficient data for a robust geological model of the deposit.

The modelled seams are in the Rangal and Fort Cooper coal measures, which sit stratigraphically above the Moranbah coal measures within the Bowen Basin. Three seams have been modelled and then estimated for the JORC Resources - Leichhardt, Vermont Upper and Vermont Middle/Lower.

Coal resources now total 530 million t, comprising 130 million t in the Measured Category, 300 million t in the Indicated Category and 100 million t in the Inferred Category.

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