February 8, 2010 Nayarit Gold announced a Canadian National Instrument 43-101 compliant preliminary economic assessment for the company's Animas/Del Norte deposit at the Orion district in the State of Nayarit, Mexico. Assuming 100% equity financing, the preliminary economic assessment indicates a pre-tax internal rate of return of 38%. The estimated payback period is approximately 2.3 years (base case). This study is based extraction of indicated and inferred resources using underground
mining methods with milling and tank leaching for processing.