DynaResource, Inc. and DynaResource de México, S.A. de C.V. Issue News Release in Response to News Release Issued by Goldgroup Mining Inc. (GGA.TO) Irving, Texas (May 17, 2019) DynaResource, Inc., of Irving Texas, (OTCQB: DYNR; “DynaUSA”) and DynaResource de México SA de C.V. (“DynaMéxico”), the 100% owner of the San Jose de Gracia high grade gold project, located in the County of Sinaloa de Leyva, State of Sinaloa, México, issue the following news release, in response to a news release issued by Goldgroup Mining Inc. dated May 14, 2019.