The TSX Venture Exchange has accepted for filing a unilateral purchase option agreement dated Aug. 16, 2018, between Orestone Mining Corp. and Sociedad Contractual Minera Resguardo (the vendor), whereby the company may acquire a 100-per-cent interest in the Resguardo project located in northern Chile. Consideration is $5-million (U.S.) and the completion of 2,000 metres of drilling over a five-year period. The vendor retains a 1.5-per-cent net smelter return (NSR) royalty, with the company having the right to repurchase the NSR for $6-million (U.S.) at any time up to Aug. 16, 2025.