Challenger Exploration report that it has commenced its second drilling campaign at the Hualilan Gold Project in Argentina. The diamond core drilling rig started drilling in the early hours of February 10 (San Juan local time) and is currently at a downhole depth of 21 metres in the first hole. Core will be logged and split on site with first samples expected to be submitted for assay at ALS in Mendoza within 2 weeks. This second drilling campaign will comprise 7,500 metres of continuous drilling executed in three stages. An initial 2,325 metres is designed to extend the existing mineralisation with 2 holes to test previous intersections as required to facilitate a JORC Compliant Resource. A second stage of approximately 1,000 metres, which will be dedicated to collecting samples for metallurgical testing and a final stage of approximately 30 drill holes, predominantly designed for a second time to extend the existing mineralisation.