May 2026 AGA_FINAL

2026AGA FinancialForum

May18,2026

Forward-LookingStatements

Thestatementsinthispresentationcontainforward-lookingstatementsthatrelatetofuturetransactions,eventsor expectations.Inaddition,Resourcesmayannounceorpublishforward-lookingstatementsrelatingtosuchmattersas anticipatedfinancialperformance,businessprospectsandclosures,investments,inflation,ratemakingandother regulatoryactions,debtrefinancing,technologicaldevelopments,newproducts,researchanddevelopment activities,weathervariations,operationalimpactsandsimilarmatters.Thesestatementsarebasedon management’scurrentexpectationsandinformationavailableatthetimeofsuchstatementsandarebelievedtobe reasonableandaremadeingoodfaith.ThePrivateSecuritiesLitigationReformActof1995providesasafeharbor forforward-lookingstatements.Inordertocomplywiththetermsofthesafeharbor,theCompanynotesthata varietyoffactorscouldcausetheCompany’sactualresultsandexperiencetodiffermateriallyfromtheanticipated resultsorotherexpectationsexpressedintheCompany’sforward-lookingstatements.Therisksanduncertainties thatmayaffecttheoperations,performance,developmentandresultsoftheCompany’sbusinessinclude,butare notlimitedtothosesetforthinthefollowingdiscussionandwithinItems1A“RiskFactors”and1C“Cybersecurity”of theCompany’s2025AnnualReportonForm10-KfiledwiththeSecuritiesandExchangeCommission,whichis availableatwww.sec.govandontheCompany’swebsiteatwww.rgcresources.com,aswellasanupdatedriskwithin Item1A“RickFactors”oftheCompany’sMarch31,2026Form10-Q.Thesefactorsaredifficulttopredictandmany arebeyondtheCompany’scontrol.Accordingly,whiletheCompanybelievesitsforward-lookingstatementstobe reasonable,therecanbenoassurancethattheywillapproximateactualexperienceorthattheexpectationsderived fromthemwillberealized.WhenusedintheCompany’sdocumentsornewsreleases,thewords“anticipate,” “believe,”“intend,”“plan,”“estimate,”“predict,”“target,”“expect,”“objective,”“projection,”“potential,”“forecast,” “budget,”“assume,”“indicate”orsimilarwordsorfutureorconditionalverbssuchas“will,”“would,”“should,”“can,” “could,”“may,”or“might”areintendedtoidentifyforward-lookingstatements.

Forward-lookingstatementsreflecttheCompany’scurrentexpectationsonlyasofthedatetheyaremade.The Companyassumesnodutytoupdatethesestatementsshouldexpectationschangeoractualresultsdifferfrom currentexpectationsexceptasrequiredbyapplicablelawsandregulations.

AboutRGC

Milestones

RoanokeGas

RGCMidstream

FinancialsandCapital

WhyInvestinRGC?

AboutRGCResources,Inc.

Nasdaq:RGCO

Publiclytradedutilityholdingcompanyprovidingenergy andrelatedproductsandservicesthroughRoanokeGas CompanyandRGCMidstream.

RoanokeGas

Initiatedservicein1883,providessafe,reliablenatural gastomorethan64,500customersinthegreater RoanokeValleyinSouthwestVirginia.

RGCMidstreamowns≈0.73%percentinterestinthe MountainValleyPipeline(MVP).

OrganizationalStructure

MilestonessinceMay2025

Largest(11.5DTHs)annualsendoutinfiscal2025

Expeditedratecase

$4.3Mnewrevenue

9.9%ROE

59%Equity

Excellentsafetyrecordandsystemreliability

RefinancedallMidstreamdebtwithmaturities5to7years

Eliminatedfinalmastermeters

Newtechnologyinfrastructure

ERPsystem–April2025

Updatedwebsite–January2025

Revenuesystem–April2026

RoanokeGasServiceTerritory

RoanokeGas

VAStateCorporationCommission (SCC)

Inbusinesssince1883

9.9%authorizedROE,59%equity

Alternativecostrecovery mechanisms

Weathernormalization

Revenuesharing

Purchasegasadjustment(Qtrly)

Infrastructureriders

SAVE

RNG

Predictable,reliable,stable revenues

Mostrecentfinalrate orderApril2025

2026ratecasepending RegulatedUtility

RoanokeGasRNGFacility

InserviceMarch2023

GeneratingRINcredits

Rider

RecordRNGproduction infiscal2025

RoanokeGasTopCustomers

RRHA(2022–2025)

$2.1millionof grossutilityplant

5properties

211meters Enhancedsafety

RoanokeGasowns andoperates

Mastermeters retired

COVIDlimited non-payturnoffs

Volumes&HeatingDegreeDays

500 1,000 1,500 2,000 2,500 3,000 3,500

RateCaseUpdate

≈$4.3Mincrementalannualrevenue

Basedonauthorized9.90%ROE

RateseffectiveJanuary2026,subjectto refund

Stafftestimony–June

Hearing–mid-July

ExpectfinalresolutioninQ1offiscal2027

EquitymethodinvestmentinMVP

Ourshareofearnings

Incomefromamortizationof basisdifferencefrom2022 impairment

ModestpositiveEPS contribution

RoanokeGas15,000DTHs/day capacity

Excesscashflowsdistributed quarterly–$3.6Min2025

Southgate Boost

June2024 20-yearshipper agreementsJuly2024 2BCF/dayofMarcellus/ UticaBasinGas

MountainValleyPipeline

RoanokeGasInterconnects

MidstreamDebtRefinance

CompletedSeptember2025

Refinanced$53MMidstreamdebtto2032

Existinglow-rate,swapped-outrates maintaineduntilmaturities

Swappedremainingfacilityat5.06%

EstablishednewprojectLOCsthatmature 2030

Southgate$1.85M

Boost$3.65M

Southgate

ExtendsMVPmainline31milesintoNC

550kDTHs/day

Targetedin-service2028

Precedentshipperagreementswith: PSNC DukeEnergy Totalprojectcost:≈$404M

Compressiontoallow600kDTHadditional dailycapacity

Targetedin-service2028

Precedentshipperagreementswith: EQTEnergy

PSNC

DukeEnergy

DominionVAPower

Totalprojectcost:≈$453M

Financialsand Capital

ConsolidatedFinancialResults

ConsolidatedBalanceSheet

RoanokeGasCapExYTD

EquityandDebtProfile

Equity:

Topshareholders:

AnitaG.Zucker13%

GabelliFunds6%

Blackrock4%

ColumbiaThreadneedle4%

VanguardGroup3%

7.2%insiderownership

Debt:

Remaining$50Monprivateshelffacility

$242MMarketCapitalization(asofMay8,2026)

Commonsharesissuedandoutstanding: 10,416,941

Upto$30MavailabilityonLOCfacility–MaturesMarch2028

WhyInvestin RGC?

OutlookandShareholderReturn

GrowthStrategy

Regulatedutility

Ratecase

Fullyearning(inflation)

Continuedinvestmentinplant

Regionalopportunities

Franklin(SummitView&RockyMount)

Montgomery(near-systemresidential)

Botetourt(data-centerrelated)

MVP

Expansion-Southgate

Compression-Boost Strategicopportunities

RegionalOpportunities

SummitViewBusinessPark

Stik-PakSolutions

Continuingeconomicdevelopmentinterest

Nearcommercialandresidential

RockyMount

EarningsPerShare

Ratecase Onelargecustomerloss Expenses–inflation

Depreciation

Headcount

ITsystems

Propertytaxes

Repricingof$15Mnote(mid-August)

329consecutive quarterlydividends (82+years)

Annualdividend increase22 consecutiveyears

WhyBuyRGCO?

DemonstratedTrack RecordofDelivering ShareholderValue

TotalShareholderReturnof235%since2010

80+yearsofconsecutivedividendpayments

20+yearsofconsecutivedividendincreases

HighlyStable BusinessModel

Attractive Fundamental Environment

Consistentregulatoryenvironment

Prospectivecostrecoverymechanisms

140+yearrecordofsafety,reliability,andprofitability

Naturalgashascost/reliabilityadvantagestootherfuels

Naturalgasrecognizedaspartoflong-termenergysolution

AI/datacenterenergydemandsignificant

Privateshelfagreementtosupportdebtcapitalneeds

Continuedsteadygrowthinexistingfootprint

Regionalopportunitiesinthreenearbycounties

AI&datacentersalongwithmedicalfuelinglocaleconomy

RegionalimpactofMVPflowing2B+Dth/day