MEXICO CITY, JULY 23 2018 - VISTA OIL & GAS, S.A.B. DE C.V. ( "VISTA" OR THE "COMPANY") (TICKER SYMBOL: VISTA), ANNOUNCED TODAY THAT ITS SUBSIDIARY VISTA OIL & GAS ARGENTINAS.A., HAS ENTERED INTO A 5-YEAR TERM LOAN IN THE AMOUNT OF $300 MILLION GUARANTEED BY VISTA AND OTHER OF ITS SUBSIDIARIES. THE PROCEEDS ARISING FROM THIS LOAN WERE USED TO REFINANCE THE $260 MILLION BACKSTOP FACILITY GRANTED TO VISTA IN APRIL FOR THE CONSUMMATION OF ITS INITIAL BUSINESS COMBINATION AND THE BALANCE WILLBE USED FOR GENERAL CORPORATE PURPOSES. THIS NEW FINANCING PROVIDES VISTA WITH A LONGER MATURITY IN ITS DEBT AND BETTER TERMS AND CONDITIONS.LEGAL NOTE

THIS DOCUMENT HAS BEEN PREPARED BYVISTA OIL & GAS S.A.B. DE C.V. ("VISTA" OR THE "COMPANY") AND CANNOT BE REPRODUCED OR DISTRIBUTED TO ANY OTHER PERSON. NEITHER THIS DOCUMENT, NOR ITS CONTENTS CONSTITUTE FOUNDATION FOR A BINDING AGREEMENT OF ANY NATURE. RECIPIENTS OF THIS DOCUMENT MUST NOT INTERPRET ITS CONTENTS AS LEGAL, TAX, OR INVESTMENT ADVISORY, AND MUST THEREFORE CONSULT WITH THEIR OWN ADVISORS TO SUCH EFFECT. THIS DOCUMENT INCLUDES PROJECTIONS AND SUBJECTIVE ANALYSIS, AS WELL AS ASSERTIONS. CERTAIN INFORMATION CONTAINED HEREIN RESULTS FROM SOURCES PREPARED BY THIRD PARTIES. WHILE SUCH INFORMATION HAS BEEN DEEMED RELIABLE FOR PURPOSES OF THIS DOCUMENT, WE MAKENO DECLARATION, GUARANTEE OR ASSUME ANY EXPRESS OR IMPLIED OBLIGATIONS REGARDING THE SUFFICIENCY, PRECISION, OR RELIABILITY OF SUCH INFORMATION, OR OF THE PROJECTIONS, AND ASSERTIONS CONTAINED HEREIN, NOTHING CONTAINED IN THIS DOCUMENT SHOULD BE CONSIDERED AS AN EXPECTATION, PROMISE, OR DECLARATION ON PAST, PRESENT, OR FUTURE PERFORMANCE. NEITHER VISTA NOR ITS MANAGERS, EMPLOYEES, MEMBERS, PARTNERS, SHAREHOLDERS, AGENTS AND ADVISORS MAKE ANY STATEMENT OR GUARANTEE THE PRECISION OF THE AFOREMENTIONED INFORMATION. THIS DOCUMENT INCLUDES, AND CONVERSATIONS AROUND IT MIGHT MENTION "FORWARD-LOOKING STATEMENTS". FORWARD-LOOKING STATEMENTS MAY CONSTITUTE INFORMATION REGARDING POTENTIAL OPERATIONAL RESULTS, AS WELL AS A DESCRIPTION OF OUR BUSINESS STRATEGIES AND PLANS. THE WORDS "ANTICIPATE," "BELIEVE," "CONTINUE," "COULD," "ESTIMATE," "EXPECT," "INTENDS," "MAY," "MIGHT," "PLAN," "POSSIBLE," "POTENTIAL," "PREDICT," "PROJECT," "SHOULD," "WOULD" AND SIMILAR EXPRESSIONS MAY IDENTIFY FORWARD-LOOKING STATEMENTS. FORWARD-LOOKING STATEMENTS ARE NOT HISTORICAL FACTS AND ARE BASED ON EXPECTATIONS, BELIEFS, FORECASTS AND PROJECTIONS, AS WELL AS ON BELIEFS BY VISTA'S MANAGEMENT TEAM, WHICH ARE UNCERTAIN BY NATURE AND BEYOND OUR CONTROL. SUCH EXPECTATIONS, BELIEFS, FORECASTS ANDPROJECTIONS ARE INCLUDED ON A GOOD FAITH BASIS IN THE UNDERSTANDING THAT THE MANAGEMENT TEAM DEEMS THEM TO BE REASONABLE. HOWEVER, WE CANNOT GUARANTEE THAT THEEXPECTATIONS, BELIEFS, FORECASTS AND PROJECTIONS OF THE MANAGEMENT TEAM WILL BE FULFILLED, AND THEREFORE REAL RESULTS MAY MATERIALLY DIFFER FROM WHAT IS INDICATED AS FORWARD-LOOKING STATEMENTS. FORWARD-LOOKING STATEMENTS ARE SUBJECT TO RISKS AND UNCERTAINTIES THAT MAY RESULT IN MATERIAL DIFFERENCES IN PERFORMANCE ANDRESULTS FROM THOSE INDICATED AS FORWARD-LOOKING STATEMENTS. FORWARD-LOOKING STATEMENTS ARE LIMITED TO THE DATE IN WHICH THEY ARE MADE. VISTA ASSUMES NO OBLIGATION TO UPDATE FORWARD-LOOKING STATEMENTS IN ORDER FOR THEM TO REFLECT REAL RESULTS, FURTHER EVENTS OR CIRCUMSTANCES, OR OTHER CHANGES WHICH MAY AFFECT THE INFORMATION PROVIDED AS FORWARD-LOOKING STATEMENTS, UNLESS AND AS LONG AS SUCH UPDATES ARE REQUIRED BY APPLICABLE REGULATION. CERTAIN INFORMATION WITHIN THIS DOCUMENTIS BASED ON FORECASTS BY THE MANAGEMENT TEAM AND REFLECTS THE PREVAILING MARKET CONDITIONS AS WELL AS VISION FROM THE MANAGEMENT TEAM ON SUCH CONDITIONS, WHICHMAY BE SUBJECT TO CHANGE. FORWARD-LOOKING STATEMENTS IN THIS DOCUMENT MAY INCLUDE, FOR EXAMPLE, STATEMENTS ABOUT: OUR CAPACITY TO COMPLETE ANY POTENTIAL TRANSACTION, BENEFITS FROM SUCH TRANSACTION, OUR FINANCIAL AND OPERATING PERFORMANCE AFTER COMPLETING SUCH TRANSACTION, CHANGES IN VISTA'S RESERVES AND OPERATIONAL RESULTS, AND EXPANSION OPPORTUNITIES AND PLANS. NO DECLARATION REGARDING PAST TENDENCIES OR ACTIVITIES SHOULD BE CONSIDERED AS A DECLARATION THAT SUCH TENDENCIESOR ACTIVITIES WILL CONTINUE TO HAPPEN IN THE FUTURE. CONSEQUENTLY, SUCH TENDENCIES OR DECLARATIONS SHOULD NOT BE RELIED UPON. VISTA AND ITS AFFILIATES, ADVISORS, OR REPRESENTATIVES WILL NOT BE LIABLE (AS A RESULT OF NEGLIGENCE OR ANY OTHER MOTIVE) SHOULD ANY LOSSES OR DAMAGES RESULT FROM THE USE OF THIS DOCUMENT OR ITS