About San Jose de Gracia ("SJG")
The San Jose de Gracia Property, covering 69,121 Hectares, is 100% owned by DynaResource de Mexico S.A. de C.V. ("DynaMexico", * Note DynaUSA-DynaMexico in paragraph below). In excess of one million ounces gold was reportedly produced from the SJG Property in the early 1900's, originating from high grade gold veins, including approximately 470,000 Oz. gold reportedly produced from the La Purisima area of SJG at an average gold grade of 66.7 g/t. In June 2010, the SJG Property was recognized by the State of Sinaloa as the most significant Gold Project in the State for the year 2010.
Current NI 43-101 Technical Report for DynaMexico - SJG
DynaUSA received from DynaMexico on March 28, 2012 a National Instrument 43-101 ("NI 43-101") compliant Technical Report for the San Jose de Gracia Property (the "2012 DynaMexico Luna-CAM SJG Technical Report", the "Technical Report"), and approved by DynaMexico, the 100% owner of SJG. The 2012 DynaMexico Luna-CAM SJG Technical Report was prepared by Mr. Ramon Luna, BS, P.Geo., of Servicios y Proyectos Mineros, Hermosillo, Mexico, and a Qualified Person as defined under NI 43-101; and by Mr. Robert Sandefur, BS, MSc, P.E., a senior reserve analyst for Chlumsky, Armbrust & Meyer LLC, Lakewood, CO., and a Qualified Person as defined under NI 43-101. The 2012 DynaMexico Luna-CAM SJG Technical Report includes as Section Fourteen (14) a Mineral Resource Estimate for SJG as prepared by Mr. Sandefur (the "2012 DynaMexico-CAM SJG 43-101 Mineral Resource Estimate", and, the "Mineral Resource Estimate"). DynaUSA filed the Technical Report on SEDAR (www.sedar.com) on March 28, 2012.
DynaUSA further received from DynaMexico on December 31, 2012, an updated NI 43-101 compliant ("NI 43-101") Technical Report for the San Jose de Gracia Property (the "Updated 2012 DynaMexico Luna-CAM SJG Technical Report", and the "Updated Technical Report"). The Updated Technical Report was approved by DynaMexico, and filed by DynaUSA with SEDAR on December 31, 2012. (See previous news release of DynaUSA dated January 10, 2013.)
Current NI 43-101 Mineral Resource Estimate for SJG
The 2012 DynaMexico-CAM SJG Mineral Resource Estimate concentrates on four separate main vein systems at SJG: Tres Amigos, San Pablo, La Union, and La Purisima. The Mineral Resource Estimate includes Indicated Resources at: (1) Tres Amigos of 893,000 tonnes with an average grade of 4.46 g/t, totaling 128,000 Oz. Au; and (2) San Pablo of 1,308,000 tonnes with an average grade of 6.52 g/t, totaling 274,000 Oz. Au. The Mineral Resource Estimate also includes an Inferred Resource of 3,953,000 tonnes in aggregate for the four main vein systems, with an average grade of 5.83 g/t, totaling 741,000 Oz. Au. The Effective Date of the 2012 DynaMexico Luna-CAM SJG Technical Reports and including the 2012 DynaMexico-CAM SJG 43-101 Mineral Resource Estimate is February 6, 2012. The Mineral Resource Estimate is reported using a 2.0 g/t cut off grade for underground mining. As of the Effective Date of the Technical Reports and Mineral Resource Estimate, there is no economic assessment report completed for SJG so the precise cutoff grade for underground mining has not yet been determined.
DynaUSA - DynaMexico
DynaUSA (the "Company") is a Resource Investment and Management Company based in Irving, Texas, with a current focus on the SJG Property in Mexico, targeting growth in the defining and future production of predominately gold resources. The Company founded DynaMexico in March 2000 specifically for the purpose of acquiring and consolidating the SJG Property; and it completed the consolidation of the entire SJG Property to DynaMexico in 2003 (approx. 15 sq. km. at that time), * with the exception of the San Miguel Mining Concession (7 Hectares, for which DynaMexico is proceeding towards accomplishing the transfer of title to DynaMexico, under previously signed sale and purchase agreements). During the period 2003-2006, DynaMexico conducted Pilot Production operations at SJG including the mill processing in gravity-flotation circuit of mineralized tonnage from the San Pablo area of SJG, reporting production results of: 18,250 Oz. gold sold at an average realized gold price of $440 USD/Oz.; 42,000 tons mill feed; average feed grades of 15-20 g/t gold; and, average production costs of less than $175/oz. gold.
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