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Earnings Webcast October 29, 2026 Third Quarter 2026
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About projections and forward-looking statements 02 AdditionalinformationaboutVistaEnergy,S.A.B. de C.V., a sociedadanónimabursátilde capitalvariableorganizedunderthelawsof Mexico(the“Company”or “Vista”)canbe foundin the“Investors”sectionon thewebsiteat www.vistaenergy.com. Thispresentationdoes not constitutean offerto sellor a solicitationof any offerto buy any securitiesof theCompany,in any jurisdiction. Securitiesmay not be offeredor soldin the UnitedStatesabsentregistrationwiththe U.S. SecuritiesExchangeCommission (“SEC”),theMexicanNationalSecuritiesRegistryheldby the MexicanNationalBankingandSecuritiesCommission(“CNBV”)or an exemptionfromsuchregistrations. This presentationdoes not containall the Company’sfinancialinformation. As a result,investorsshould read this presentationin conjunctionwith the Company’sconsolidatedfinancialstatementsand other financialinformationavailableon the Company’s website. Someof theamountscontainedhereinareunaudited. Roundingamountsand percentages: Certainamountsand percentagesincludedin thispresentationhavebeenroundedfor easeof presentation. Percentagefiguresincludedin thispresentationhavenot in all casesbeencalculatedon the basisof suchrounded figures,but on thebasisof suchamountspriorto rounding. For thisreason,certainpercentageamountsin thispresentationmay varyfromthoseobtainedby performingthesamecalculationsusingthe figuresin thefinancialstatements. In addition,certainother amountsthatappearin thispresentationmay not sum dueto rounding. Thispresentationcontainscertainmetricsthatdo not havestandardizedmeaningsor standardmethodsof calculationand thereforesuch measuresmay not be comparableto similarmeasuresusedby othercompanies. Suchmetricshavebeenincludedherein to providereaderswithadditionalmeasuresto evaluatetheCompany’sperformance; however,suchmeasuresarenot reliableindicatorsof futureperformanceof theCompanyand futureresultsmay not be comparableto pastperformance. No relianceshould be placed for any purpose whatsoeveron the informationcontainedin this document or on its completeness. Certain informationcontainedin this presentationhas been obtained from publishedsources,which may not have been independentlyverifiedor audited. No representationor warranty,expressor implied,is givenor willbe givenby or on behalfof the Company,or any of its affiliates(withinthe meaningof Rule 405 underthe U.S. SecuritiesAct of 1933, as amended,“Affiliates”), members,directors,officersor employeesor anyotherperson(the“RelatedParties”)as to theaccuracy,completenessor fairnessof theinformationor opinionscontainedin thispresentationor anyothermaterialdiscussedverbally,andany relianceyou placeon themwillbe at yoursolerisk. Anyopinionspresentedhereinarebasedon generalinformationgatheredat thetimeof writingandare subjectto changewithoutnotice. In addition,no responsibility,obligationor liability(whetherdirector indirect,in contract,tortor otherwise)is or willbe acceptedby theCompanyor anyof itsRelatedPartiesin relationto suchinformationor opinionsor any othermatterin connectionwiththispresentationor itscontentsor otherwisearisingin connectiontherewith. Thispresentationalso includescertainnon-IFRS(InternationalFinancialReportingStandards)financialmeasureswhichhave not been subjectto a financialaudit for any period. The informationand opinionscontainedin thispresentationare providedas of the dateof thispresentationand aresubjectto verification,completionand changewithoutnotice. Thispresentationincludes“forward-lookingstatements”concerningthefuture. Wordssuchas “believes,”“thinks,”“forecasts,”“expects,”“anticipates,”“intends,”“should,”“seeks,”“estimates,”and“future”or similarexpressionsareincludedwiththeintentionof identifyingstatementsaboutthe future. For the avoidanceof doubt,any projection,guidanceor similarestimationaboutfutureresults,performanceor achievementsis a forward-lookingstatement. Althoughthe assumptionsand estimateson whichforward- lookingstatementsare based are believedby our managementto be reasonableand based on the best currentlyavailableinformation,such forward-lookingstatementsare based on assumptionsthat are inherentlysubjectto significantuncertaintiesand contingencies,manyof whicharebeyondour control. Therewillbe differencesbetweenactualand projectedresults,and actualresultsmay be materiallygreateror materiallylessthanthosecontainedin theprojections. Projectionsrelatedto productionresultsas wellas costestimations– includingany anticipated performanceand guidanceof Vistaincludedin thispresentation– are basedon informationas of the date of this presentationand reflectnumerousassumptionsincludingassumptionswith respectto type curvesfor new well designsand certainfrac spacing expectations,all of whichare difficultto predictand manyof whicharebeyondour controland remainsubjectto severalrisksand uncertainties. Theinclusionof the projectedfinancialinformationin thisdocumentshouldnot be regardedas an indicationthatwe or our managementconsideredor considerthe projectionsto be a reliablepredictionof futureevents. As such,no representationcan be made as to the attainabilityof projections,guidancesor otherestimationsof futureresults,performanceor achievements. We have not warrantedthe accuracy,reliability,appropriatenessor completenessof the projectionsto anyone. Neitherour managementnor any of our representativeshas made or makes any representationto any personregardingour futureperformance comparedto the informationcontainedin the projections,and none of them intendsto or undertakesany obligationto updateor otherwiserevisethe projectionsto reflectcircumstancesexistingafterthe date when made or to reflectthe occurrenceof future eventsin the event that any or all of the assumptionsunderlyingthe projectionsare shown to be in error. We may or may not refer back to these projectionsin our future periodicreportsfiled or furnishedunder the SecuritiesExchangeAct of 1934. These expectationsand projectionsare subject to significantknown and unknown risks and uncertaintieswhich may cause our actual results,performanceor achievements,or industryresults,to be materiallydifferentfrom any expectedor projectedresults, performanceor achievementsexpressedor implied by such forward-looking statements. Many important factors could cause our actual results, performanceor achievementsto differ materiallyfrom those expressedor implied in our forward looking statements,including,among other thingsuncertaintiesrelatingto futuregovernmentconcessionsand explorationpermits; adverseoutcomesin litigationthat may arisein the future; generalpolitical,economic,social,demographicand businessconditionsin Argentina,Mexicoand in other countriesin which we may operatein the future; the impact of politicaldevelopmentsand uncertaintiesrelatingto politicaland economicconditionsin Argentina,includingthe policiesof the currentgovernmentin Argentina; significanteconomicor politicaldevelopmentsin Mexico,Argentinaand the UnitedStates; changesin law, rules,regulationsand interpretationsand enforcementstheretoapplicableto the Argentineand Mexicanenergysectorsand throughoutLatinAmerica, includingchangesto the regulatoryenvironmentin whichwe operateand changesto programsestablishedto promoteinvestmentsin the energyindustry; any unexpectedincreasesin financingcostsor an inabilityto obtainfinancingand/oradditionalcapital pursuantto attractiveterms; any changesin thecapitalmarketsin generalthatmay affectthepoliciesor attitudein Argentinaand/orMexico,and/orArgentineand Mexicancompanieswithrespectto financingsextendedto or investmentsmadein Argentinaand Mexicoor Argentineand Mexicancompanies; finesor otherpenaltiesand claimsby the authoritiesand/orcustomers; restrictionson the abilityto exchangeMexicanor ArgentinePesosinto foreigncurrenciesor to transferfundsabroad; theimpositionof import restrictionson goodsthatarekey for themaintenanceof our assets; therevocationor amendmentof our respectiveconcessionagreementsby thegrantingauthority; our abilityto renewcertainhydrocarbonexploitationconcessions; our abilityto implementour capitalexpendituresplansor businessstrategy,includingour abilityto obtainfinancingwhennecessaryandon reasonableterms; governmentintervention,includingmeasuresthatresultin changesto theArgentineandMexicanlabormarkets,exchangemarkets or tax systems; continuedand/orhigherratesof inflationand fluctuationsin exchangerates,includingthe devaluationand/orappreciationof the MexicanPeso or ArgentinePeso; any forcemajeureevents,or fluctuationsor reductionsin the valueof Argentine publicdebt; changesto the demandfor oil and gas in particular,and energyin general,both in Argentinaand globally; the effectsof a pandemicor epidemicand any subsequentmandatoryregulatoryrestrictionsor containmentmeasures; environmental,health and safetyregulationsand industrystandardsthat are becomingmore stringent; energymarkets,includingthe timingand extentof changesand volatilityin commodityprices,and the impactof any protractedor materialreductionin oil pricesfrom historical averages; our relationshipwith our employeesand our abilityto retainkey membersof our seniormanagementand key technicalemployees; the abilityof our directorsand officersto identifyan adequatenumber of potentialacquisitionopportunities; our expectationswithrespectto the performanceof our recentlyacquiredbusinesses,includingVistaLACh; our expectationsfor futureproduction,costsand crudeoil pricesusedin our projections; changesto our capitalexpenditureplans; uncertaintiesinherentin makingestimatesof our oil and gas reserves,includingrecentlydiscoveredoil and gas reserves,and changesto our previousreservesestimates; increasedmarketcompetitionin the energysectorsin Argentinaand Mexico; potentialregulatorychangesand modificationsto freetradeagreementsdrivenby evolvingU.S. tradepoliciesand politicaldevelopmentsin Argentina,Mexicoor otherLatinAmericancountries; climatechangeandsevereweatherevents; any potentialadverseeffectsthatmay arisein connection withanyprospectivemergers,acquisitions,divestitures,or othercorporatereorganizations; adverseglobalmacroeconomicenvironments,includingtradewars,highinflation,a globalrecession,andincreasingmarketvolatility,especiallyin relationto commodities prices; and ongoing and potentialgeopoliticalconflicts,including,among others, those involvingRussia and Ukraine; the United States,Israel,Hamas, Iran and severalcountriesin the Middle East; and tensionsbetweenChina and Taiwan. Forward looking statementsspeakonlyas of the date on whichtheyweremade,and we undertakeno obligationto releasepubliclyany updatesor revisionsto any forwardlookingstatementscontainedhereinbecauseof new information,futureeventsor otherfactors. In light of theselimitations,unduerelianceshouldnot be placedon forwardlookingstatementscontainedin thispresentation. Furtherinformationconcerningrisksanduncertaintiesassociatedwiththeseforwardlookingstatementsand Vista’sbusinesscanbe foundin Vista’spublicdisclosuresfiledon EDGAR(www.sec.gov) or at thewebpageof theMexicanStockExchange(www.bmv.com.mx). You shouldnot takeany statementregardingpasttrendsor activitiesas a representationthatsuchtrendsor activitieswillcontinuein the future. Accordingly,you shouldnot put unduerelianceon thesestatements. Thispresentationis not intendedto constitute andshouldnot be construedas investmentadvice. Other Information. Vista routinelypublishesimportantinformationfor investorsin the InvestorRelationssupportsectionon its website,www.vistaenergy.com. From time to time, Vista may use its websiteas a channelfor distributingmaterialinformation. Accordingly,investorsshouldmonitorVista’sInvestorRelationswebsite,in additionto followingVista’spressreleases,SECfilings,publicconferencecallsand webcasts.
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Units and definitions can be found in the Glossary. Results shown in this presentation are adjusted to exclude a 16.3% non - controlling interest in Bandurria Sur Participaciones S.A., holder of a 30% non - operated working interest in the Bandurria Sur block, of which 25.1% is attributable to Vista. (1) Revenues were 1,265 $MM in Q3 - 26 and 1,212 $MM in Q2 - 26. For comparison purposes, revenues and avg. realized oil prices sho wn in this presentation are net of Commodity risk management contracts and Sea freight selling expenses. Commodity risk management contracts were 10.7 $MM in Q3 - 26 and 5.6 $MM in Q2 - 26. Sea freight selling expenses were 41.4 $MM in Q3 - 26 and 63.1 $MM in Q2 - 26, which were collected as revenues and incurred by our trading subsidiary Vista Energy International S.A. (“VEISA”) (2) Pro forma net leverage ratio calculated as if Bandurria Sur and Bajo del Toro had been acquired on May 1st, 2025. Pro forma Net Leverage Ratio (1.04x) = (Gross financial debt (3,642 $MM) – Cash position (785 $MM)) / Pro forma LTM Adj. EBITDA (2,740 $MM). Net Leverage Ratio without this adjustment was 1.12x Q3 2026 HIGHLIGHTS 169 Mboe/d Production +33% y-o-y +8% q-o-q 147 Mbbl/d Oil Production +34% y-o-y +9% q-o-q 1,234 $MM Revenues (1) +75% y-o-y +7% q-o-q 4.7 $/boe Lifting Cost +6% y-o-y +5% q-o-q 460 $MM CAPEX +31% y-o-y -2% q-o-q 841 $MM Adj. EBITDA +78% y-o-y +4% q-o-q 293 $MM Net Income Free Cash Flow 1.04x pro forma (2) Net Leverage Ratio 2.6 $/sh EPS 03 Robust operational and financial performance -7% y-o-y -9% q-o-q -12% y-o-y -10% q-o-q 334 $MM 1.12x +363 $MM y-o-y
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2.65 3.17 3.43 Q3-25 Q2-26 Q3-26 Strong sequential and interannual production growth 04 109.7 135.4 147.1 Q3-25 Q2-26 Q3-26 ✓ Production increase driven by strong execution of new well activity, with 91 wells connected in the last 12 months ✓ Tied-in 25 net wells during Q3-26 (14 in BPO, 3 in BPE, 6 at our 50% WI in LACh and 2 at our 25.1% WI in BS) +29% +8% +33% 126.8 156.1 169.0 Q3-25 Q2-26 Q3-26 +8% Production (1) Mboe/d Oil production Mbbl/d Natural gas production MMm3/d +34% +9% (1) Includes oil, gas and LPG production. LPG production in Q3 -26 was 336 boe/d, compared to 710 boe/d in Q2-26 and 416 boe/d in Q3-25
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64.6 89.4 84.2 Q3-25 Q2-26 Q3-26 Robust y-o-y revenue growth 05 Revenues (1) (2) 706 1,154 1,234 Q3-25 Q2-26 Q3-26 ✓ 100% of oil volumes sold at export parity prices ✓ Interannual increase in realized oil price driven by higher Brent (1) Revenues are gross, with export duties of 50.2 $MM in Q3-26, 50.6 $MM in Q2-26, and 18.8 $MM in Q3-25 (2) Revenues were 1,265 $MM in Q3-26 and 1,212 $MM in Q2-26. For comparison purposes, revenues and avg. realized oil prices shown in this presentation are net of Commodity risk management contracts and Sea freight selling expenses. Commodity risk management contracts were 10.7 $MM in Q3-26 and 5.6 $MM in Q2-26. Sea freight selling expenses were 41.4 $MM in Q3-26 and 63.1 $MM in Q2-26, which were collected as revenues and incurred by our trading subsidiary VEISA ✓ Strong interannual increase in revenues, driven by a 34% boost in oil production and 30% higher realized oil prices 62% 72% 73% 6.3 8.6 9.9 As % of oil sales volume Oil exports (MMbbl) $MM 3.3 3.0 3.3 96% 97% 97% Avg. realized natural gas price ($/MMBTU) % of oil in total net revenues $/bbl Avg. realized oil price (2) +30% -6% +75% +7%
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4.4 4.5 4.7 126.8 156.1 169.0 Q3-25 Q2-26 Q3-26 Best-in-class, low-cost operator 06 Selling expenses per boe (2)Lifting cost per boe (1) ✓ Interannual and sequential increase in lifting cost driven by slightly higher cost of peso-denominated goods and services amid flat FX rate (1) Lifting cost for Q3-26 (4.7 $/boe) = Operating costs (73.4 $MM) / Total production (15.6 MMboe) (2) Selling expenses were 97.2 $MM in Q3-26 and 121.0 $MM in Q2-26. For comparison purposes, Selling expenses are net of 41.4 $MM of Sea freight selling expenses, incurred by our trading subsidiary VEISA in Q3-26, equivalent to 2.7 $/boe, which were also collected as revenues, and 63.1 $MM equivalent to 4.4 $/boe in Q2-26 4.2 4.1 3.6 Q3-25 Q2-26 Q3-26 Total production (Mboe/d)Lifting cost per boe +6% $/boe $/boe ✓ Decrease in selling expenses mainly driven by a dilution of ship-or-pay costs, measured on a per barrel basis, in the Duplicar pipeline amid increasing production volumes -14%
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40.5 56.7 54.1 Q3-25 Q2-26 Q3-26 Strong interannual and sequential growth in Adj. EBITDA 07 Adj. EBITDA $MM Adj. EBITDA Margin (1) % Netback $/boe Avg. realized oil price ($/bbl)Adj. EBITDA margin 67% 70% 68% 64.6 89.4 84.2 Q3-25 Q2-26 Q3-26 472 805 841 Q3-25 Q2-26 Q3-26 (1) For comparison purposes, revenues included in the Adj. EBITDA margin calculation and avg. realized oil price are net of Commo dity risk management contracts and Sea freight selling expenses. Commodity risk management contracts were 10.7 $MM in Q3-26 and 5.6 $MM in Q2-26. Sea freight selling expenses were 41.4 $MM in Q3-26 and 63.1 $MM in Q2-26, which were collected as revenues and incurred by our trading subsidiary VEISA +78% +4% ✓ Adj. EBITDA increase driven by a 75% increase in total revenue amid flat operating unit costs ✓ Sequentially, Adj. EBITDA increased 4%, as production growth offset lower realized oil prices +1 p.p. +34%
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Material FCF generation in the quarter 08 ✓ Operating activities cash flow reflects flat working capital amid a larger operation and includes income tax payments of 50 $MM ✓ Cash flow used in investing activities driven by accrued capex of 460 $MM and a decrease in capex-related working capital of 20 $MM ✓ Financing activities cash flow was mainly driven by net capital debt repayments of 60 $MM, share repurchases of 55 $MM and payments of borrowings’ interests of 24 $MM ✓ NLR was 1.12x LTM Adj. EBITDA at quarter-end 605 773 (439) (164) 775 -,- 200 400 600 800 1,000 1,200 1,400 1,600 Beginning of period cash position End of period cash position Investing activities cash flow Operating activities cash flow Financing activities cash flow (1) Q3 2026 cash flow evolution $MM (1) For the purpose of this graph, Financing activities cash flow is the sum of: (i) Cash flow from financing activities for -163.2 $MM; (ii) effect of exposure to changes in the foreign currency rate and other financial results of cash and cash equivalents for 1.0 $MM; (iii) the variation in Argentine government bonds for -0.9 $MM; and (iv) Other investments for -0.5 $MM (2) End of period cash position was 785 $MM. Figures shown in this graph exclude a 16.3% non-controlling interest in Bandurria Sur Participaciones S.A. for 9.9 $MM FCF 334 $MM (2)
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Closing remarks 09 Delivered robust production growth on the back of new well tie-ins and full quarter consolidation of new assets Recorded strong financial performance, driven by production growth, higher oil prices and cost efficiency Strengthened cash position and reduced net leverage ratio On track to deliver our 2026 guidance across all key operating and financial metrics
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Q&A THANKS!
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Glossary 11 ▪ $: U.S. Dollars ▪ $MM: Million U.S. Dollars ▪ $Bn: Billion U.S. Dollars ▪ $/bbl: U.S. Dollars per barrel of oil ▪ $/boe: U.S. Dollars per barrel of oil equivalent ▪ Adj. EBITDA: Profit for the period, net + Income tax (expense) / benefit + Financial income (expense), net + Income (loss) from investments in associates + Depreciation, depletion and amortization + Impairment of long-lived assets + Gain from business combination + Gain from asset disposals + (Reversal of) Restructuring expenses + Gain related to the transfer of conventional assets + Other non-cash costs related to the transfer of conventional assets+ Remeasurement of contingent consideration ▪ Adj. EBITDA Margin: Adj. EBITDA / (Total Revenues + Gain from Export Increase Program – Sea freight selling expenses + Commodity risk management contracts) ▪ Adj. EPS: Adj. Net Income divided by weighted average number of ordinary shares ▪ Adj. Net income: Profit for the period, net + Deferred income tax (expense) / benefit + Impairment of long-lived assets + Changes in fair value of warrants + Gain related to the transfer of conventional assets + Other non-cash costs related to the transfer of conventional assets + Gain from business combination + Gain from asset disposals ▪ bbl/d: Barrels of oil per day ▪ boe: Barrels of oil equivalent (see conversion metrics above) ▪ boe/d: Barrels of oil equivalent per day ▪ BS: Bandurria Sur ▪ BdT: Bajo del Toro ▪ Capex includes Property, plant and equipment additions ▪ Cash position is defined as Cash, bank balances and other short-term investments ▪ EPS (Earnings per share): Net Income divided by weighted average number of ordinary shares ▪ FCF (Free cash flow): Operating activities cash flow + Investing activities cash flow ▪ LACh: La Amarga Chica ▪ Lifting cost includes production, transportation, treatment and field support services; excludes crude oil stock fluctuations, depreciation, depletion and amortization, royalties and others, selling expenses, exploration expenses, general and administrative expenses, other operating income, other operating expense and other non-cash costs related to the transfer of conventional assets ▪ Mbbl: Thousands of barrels of oil ▪ MMbbl: Million barrels of oil ▪ MMboe: Million barrels of oil equivalent ▪ NLR (Net leverage ratio): Net financial debt / LTM Adj. EBITDA ▪ Netback: Adj. EBITDA / Total production ▪ Production includes oil, gas and NGL production, and excludes flared gas, injected gas and gas consumed in operations ▪ p.p.: percentage points ▪ SEC: Securities and Exchange Commission ▪ Turnover Tax refers to the tax on gross revenues collected in Argentina, known as “Ingresos Brutos” in Spanish ▪ Vista LACh: Vista Energy LACh S.A., formerly known as Petronas E&P Argentina S.A. ▪ WI: working interest ▪ $: U.S. Dollars ▪ $MM: Million U.S. Dollars ▪ $Bn: Billion U.S. Dollars ▪ $/bbl: U.S. Dollars per barrel of oil ▪ $/boe: U.S. Dollars per barrel of oil equivalent ▪ Adj. EBITDA: Profit for the period, net + Income tax (expense) / benefit + Financial income (expense), net + Depreciation, depletion and amortization + Income (loss) from investments in associates + Impairment of long-lived assets + Gain from business combination + Gain from asset disposals + Restructuring expenses + Gain related to the transfer of conventional assets + Other non-cash costs related to the transfer of conventional assets ▪ Adj. EBITDA Margin: Adj. EBITDA / (Total Revenues + Gain from Export Increase Program – Sea freight selling expenses + Commodity risk management contracts) ▪ Adj. EPS: Adj. Net Income divided by weighted average number of ordinary shares ▪ Adj. Net income: Profit for the period, net + Deferred income tax (expense) / benefit + Impairment of long-lived assets + Changes in fair value of warrants + Gain related to the transfer of conventional assets + Other non-cash costs related to the transfer of conventional assets + Gain from business combination ▪ AF: Aguada Federal ▪ AM: Águila Mora ▪ bbl/d: Barrels of oil per day ▪ boe: Barrels of oil equivalent (see conversion metrics above) ▪ boe/d: Barrels of oil equivalent per day ▪ BN: Bandurria Norte ▪ BS: Bandurria Sur ▪ BPE: Bajada del Palo Este ▪ BPO: Bajada del Palo Oeste ▪ BdT: Bajo del Toro ▪ Capex includes Property, plant and equipment additions ▪ Cash position is defined as Cash, bank balances and other short-term investments ▪ D&C: drilling and completion ▪ EPS (Earnings per share): Net Income divided by weighted average number of ordinary shares ▪ FCF (Free cash flow): Operating activities cash flow + Investing activities cash flow ▪ GHG emissions: Scope 1 & 2 greenhouse gas emissions from our operated assets at 100% working interest ▪ LACh: La Amarga Chica ▪ Lifting cost includes production, transportation, treatment and field support services; excludes crude oil stock fluctuations, depreciation, depletion and amortization, royalties and others, selling expenses, exploration expenses, general and administrative expenses, other operating income, other operating expense and other non-cash costs related to the transfer of conventional assets ▪ Mbbl: Thousands of barrels of oil ▪ MMbbl: Million barrels of oil ▪ MMboe: Million barrels of oil equivalent ▪ NLR (Net leverage ratio): Net financial debt / LTM Adj. EBITDA ▪ Netback: Adj. EBITDA / Total production ▪ Production includes oil, gas and NGL production, and excludes flared gas, injected gas and gas consumed in operations ▪ p.p.: percentage points ▪ ROACE: (Adj. EBITDA – Depreciation, depletion and amortization + Gain related to the transfer of conventional assets + Other non-cash costs related to the transfer of conventional assets + Gain from business combination) / (Average total debt + Average total shareholders’ equity). Total Debt = Current Borrowings + Non-current Borrowings + Current Lease liabilities + Non-current Lease liabilities ▪ ROFR: Right of First Refusal ▪ SEC: Securities and Exchange Commission ▪ TRIR (Total recordable injury rate): Number of recordable incidents x 1,000,000 / total number of hours worked ▪ Vista LACh: Vista Energy LACh S.A., formerly known as Petronas E&P Argentina S.A. ▪ WI: working interest