Vista Oil & Gas, S.A.B. de C.V. (“Vista” or the “Company”) announced an asset transfer whereby, through one of its subsidiaries, it has (i) increased to 100% its working interest in the operated block CS-01, in which it previously held a 50% working interest, and (ii) assigned its entire working interest in the TM-01 and A-10 blocks in favor of Jaguar Exploración y Producción 2.3., S.A.P.I. de C.V. (“Jaguar”) and Pantera Exploración y Producción 2.2., S.A.P.I. de C.V. (“Pantera”), respectively.