Orex Minerals Inc. (TSXV: REX) (OTCQB: ORMNF) ("Orex" or the "Company") is pleased to announce the signing of an Option Agreement with Exploraciones El Cairo S.R.L. de C.V. ("EEC"), a Mexican registered private company, to acquire 100% of the Valenciana Gold-Silver Project in Zacatecas State, Mexico (the "Valenciana Property").