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IRVING, TX -- (Marketwire) -- 01/10/13 -- (OTCBB: DYNR) -- DynaResource, Inc. ("DynaUSA", or "the Company"), a Resource Investment and Management Company based in Irving, Texas, with a current focus on the San Jose de Gracia Project ("SJG") in Sinaloa, Mexico, targeting growth in the defining and production of predominately gold resources, is pleased to announce that it filed with SEDAR on January 8, 2013 an updated National Instrument 43-101 ("NI 43-101") compliant Technical Report for the San Jose de Gracia Project (the "2012 DynaMexico Luna-CAM SJG Technical Report", the "Technical Report"), as received from and approved by DynaResource de Mexico, SA de CV. ("DynaMexico"), the 100% owner of the San Jose de Gracia District. DynaUSA currently holds 50% of the outstanding shares of DynaMexico and Goldgroup Mining Inc. ("Goldgroup") holds 50% of the outstanding shares of DynaMexico.

The 2012 DynaMexico Luna-CAM SJG Technical Report was revised and updated from the original Technical Report filed by the Company with SEDAR on March 28, 2012, in order to include additional disclosures, updated maps, and revised work programs. The revised Technical Report is dated December 31, 2012 and the Technical Reports can be viewed under the Company's profile on SEDAR (www.sedar.com), and on the Company's website at www.dynaresource.com.

The 2012 DynaMexico Luna-CAM SJG Technical Reports were prepared by Mr. Ramon Luna Espinoza, 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 Reports include 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", the "Mineral Resource Estimate").

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.

Mineral Resource and Classification for San Jose de Gracia Project
(See Tables Following)