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INVESTOR PRESENTATIONUPDATED THROUGH MARCH 31, 20211

Forward Looking Statements DisclaimerForward-looking statements are based on management’sknowledge and belief as of today and include informationconcerning Plumas Bancorp’s possible or assumed futurefinancial condition, and its results of operations, business andearnings outlook. These forward-looking statements aresubject to risks and uncertainties. For a discussion of factorswhich could cause results to differ, please see PlumasBancorp’s reports on Forms 10-K and 10-Q as filed with theSecurities and Exchange Commission and the Company’s pressreleases. Readers should not place undue reliance on theforward-looking statements, which reflect management'sview only as of the date hereof. Plumas Bancorp undertakesno obligation to publicly revise these forward-lookingstatements to reflect subsequent events or circumstances.2

IndexOverview4Management Team5Business Model6Net Income8Non-Interest Income9ROE10Stock Price11Deposit Trends and Current Composition13Loan Trends and Current Composition14Diversification of CRE Loans by Property Type15Geographic Distribution of CRE Loans16Payroll Protection Program Loans17Indirect Automobile Loans18Loans with Payment Deferrals19First Quarter 2021 Financial Highlights212020 Financial Highlights222020 Financial Highlights – Five Year23Recent Expansion Strategy24Bank of Feather River Acquisition25Strengths & Challenges29Recent Awards303

Plumas Bank Administration Building, QuincyOverviewNASDAQ Symbol: PLBCTotal Assets: 1.2 billionHeadquartered: Quincy, CABank Branches:13Year Established: 19804

Andrew RybackManagementTeamPresident & CEOYears at Plumas Bank – 20BJ NorthEVP Chief Banking OfficerYears at Plumas Bank - 13QuincyRichard BelstockEVP Chief Financial OfficerYears at Plumas Bank – 15Aaron BoigonEVP Chief Information OfficerYears at Plumas Bank - 8Jeff MooreEVP Chief Credit OfficerYears at Plumas Bank - 35

Business Model Branch network of 13 full-servicebranches and 3 lending offices. Predominant focus on personalservice with a wide range of depositproducts for the retail andcommercial markets. Reduced costs by leveraging mobileand online banking services. Lending services include: Business - term real estate, commercial,industrial termAgriculturalGovernment-guaranteedRetail - consumer, auto, home GuaranteedRetailLendingFocus on small to middle market businesses.6

Patterson LakeThe Big Picture7

Net Income 15,512 16,000 14,475 13,992 14,000 12,000Calpine Meadow Decline of 7% in 2020Net Interest Incomeincreased by 841thousandBank Net Interest Margindeclined to 4.1% vs. bankpeers at 3.50% in 4Q20*Provision for loan lossesincreased by 1.7 million* Average for CA Banks 1B- 3BThousands 10,000 8,189 7,474 8,000 6,000 5,818 4,000 2,000 -2015201620172018201920208

Non-Interest Income 9,000 8,000 7,000 Non-Interest Income streamscomprised primarily of: Service charges on depositaccounts Interchange revenue Gains on sale of SBA loans Loan servicing feesThousandsBurney Falls 6,000 5,000 1,056 1,257 562 1,209 731 642 1,903 867 1,387 841 1,344 1,770 4,000 3,000 800 1,439 760 2,039 1,942 1,428 1,586 1,740 2,368 2,291 1,987 2,174 2,374 2,568 2,000 1,000 -2015Srvc Chrgs on Dpst Accnts2016 2,4672017Interchange Revenue 2,5762018Gain on Sale of SBA 7a Loans 2,6952019Loan Srvc Fees 2,3232020Other Income9

Return on Bank’s Equity25.0%20.8%20.0%18.7%Spanish Creek15.0%13.5% ROE leads bank peers at14.7% in 202011.6%11.1%10.8%10.0%8.9%8.6% Strong earnings Efficient use of capital14.7%13.7%7.4%5.0%0.0%20152016Plumas Bank6.0%2017201820192020CA Banks 1B- 3B, beginning in 202010

Stock Price to Earnings per Share201816Lake Almanor14 12 Stock price has increased morethan 160% in the last 5 yearsAttributable to: Earnings growthAsset quality improvementExpense managementCapital managementExpansion opportunitiesRe-establishment of growingdividendPE Ratio lags peers108642012/31/201512/31/201612/31/2017Plumas Bancorp12/31/201812/31/201912/31/2020CA Banks 1B- 5B11

Mount ShastaDeposits and Loans12

Deposit Trends and Current Composition Record level of deposits All core, no brokered deposits 1,200 1,069 800MillionsMoney Market18% 974 1,000 600 Average interest-bearing deposit rate is 0.15% 527 582 663 727 747Time4%Non-InterestBearing53%Savings25% 400 200 0Dec. 31,2015Dec. 31,2016Dec. 31,2017Dec. 31,2018Dec. 31,2019Dec. 31,2020Mar. 31,2021Balances as of Mar. 31, 202113

Loan Trends and Current Composition Record level of loan balances Portfolio average yield was 5.15% in 2020 800 709 700MillionsRE/ResidentialRE/Construction 1%4% 733Home Equity Lines5%Commercial6% 620 566 600 500 66% of portfolio balance is variable rate,of which 45% are at a floor rate 461CRE/Investor21%CRE/Multi Family9% 487 401 400CRE/Owner19%Agricultural9% 300PPP13% 200 100 0201520162017201820192020Mar. 31,2021Indirect Auto12%Balances as of Mar. 31, 202114

Diversification of CommercialReal Estate Loans by Property ,00020,000,00010,000,000-Includes CRE/Investor, CRE/Owner and CRE/MultifamilyCRESBA 504SBA 7aBalances as of Mar. 31, 202115

Geographic Distribution ofCommercial Real Estate LoansCALIFORNIA AND NEVADA ECONOMIC REGIONSCRE DISTRIBUTION BY REGION28% - NV - Western (pale green)23% - CA - Northern Sacramento Valley (light green)19% - CA - Northern (dark green)14% - CA - Greater Sacramento (yellow)4% - CA - Bay Area (pink)4% - CA - Central Coast (orange)4% - CA - San Joaquin Valley (chartreuse green)2% - CA - Southern (blue)2% - OR 1% - CA - Central Sierra (tan) & Southern Border (magenta) 1% - NV - Northwestern (pale blue), Northeastern (pale pink) & WAIncludes CRE/Investor, CRE/Owner and CRE/MultifamilyBalances as of Mar. 31, 202116

Payroll Protection Program Loans 1,064 PPP loans outstanding with an average balance of 90,000 Total PPP loans originated - 187 million Fees collected from the SBA - 8.1 million Balance of unearned fees - 3.7 million Balance of PPP loans at 3/31/21 - 96 million Balance with a two-year maturity - 27 million Balance with a five-year maturity - 69 millionBalances as of March 31, 202117

Indirect Automobile Loans Total automobile loans - 90 million Average balance - 25.2 thousand Average term at origination - 6.4 years Average FICO at origination - 737 Delinquent loans as a percent of total bydollars – 1.4%BALANCE BY LOANTYPENew vehicle49%Used vehicle51%Balances as of March 31, 202118

Loans with Payment Deferrals (in thousands)At March 31, 2021 there were 80 loans on deferral totaling 20.4 millionMonth Payments ResumeLoan TypeChandler RoadCommercial Real Estate - ResidentialReal Estate - CommercialEquity Lines of CreditAutomobileOtherTotal April253 2,27414,8521986004018,217 May- 352241593 June37 36622751681 JulyOther349 364713 Total- 2246230 6392,27415,5701981,6569720,43419

Modoc CountyFinancial Recap20

First Quarter 2021 Financial HighlightsDollars in thousands(Except per share)Reno, NV03/31/202103/31/2020Change% ChangeAssets 1,207,481 879,571 327,91037.3%Deposits 1,069,218 762,886 306,33240.2%Loans 733,115 623,743 109,37217.5%Net Income 4,441 3,316 1,12533.9%Income Before Tax 6,162 4,560 1,60235.1%Net Interest Income 9,221 1,25813.6%10,479 Net Interest OAE17.7%15.2%2.5%16.4%Book Value per Share 19.63 19.33 0.301.6%Diluted EPS 0.85 0.63 0.2234.9%21

2020 Financial HighlightsDollars in thousands(Except per share)Reno, NV12/31/202012/31/2019Change% ChangeAssets 1,111,576 865,191 246,38528.5%Deposits 973,974 747,324 226,65030.3%Loans 709,939 619,718 90,22114.6%Net Income 14,475 15,512 1,0376.7%Income Before Tax 19,952 21,380 1,4286.7%Net Interest Income 38,396 37,555 8412.2%Net Interest ROAE15.5%20.2%4.7%23.3%Book Value per Share 19.33 16.36 2.9718.2%Diluted EPS 2.77 2.97 0.206.7%22

2020 Financial Highlights – Five YearDollars in thousands(Except per share)12/31/2012/31/1912/31/18Assets 1,111,576 865,191 824,398 745,427 657,97569%Deposits 973,974 747,324 726,565 662,657 582,35367%Loans 709,939 619,718 566,199 486,634 461,12354%0.27%0.33%0.28%14,475 15,512 13,992Net Interest Margin4.02%4.75%4.70%Efficiency ts/total assetsNet IncomeSand Harbor, Lake Tahoe %15.4%16.1%4% 8,189 Book Value per Share 19.33 16.36 13.03 11.00 9.8097%Diluted EPS 2.77 2.97 2.68 1.58 1.4788%23

Apr ‘16Opened LPOKlamath Falls, ORJul ‘15Purchased Rabo Bank’sRedding BranchRainbow Bridge, Donner SummitRecentExpansionStrategyMay ‘14Opened LPOChicoBranchSBA Loan Production OfficeLoan Production OfficeQ3 ‘21Acquire Bankof FeatherRiverJun ‘07Opened SBA LPOAuburnDec ‘15OpenedReno BranchOct ‘18Purchased Mutual ofOmaha Bank’sCarson City Branch24

Bank ofFeather RiverAcquisition25

Pro Forma Balances 2,000Millions 1,500 1,000 500 -AssetsDepositsLoansShareholders' EquityBank of Feather River14.1%13.7%17.9%13.8%Plumas Bank86.0%86.3%82.1%86.2%Balances as of Dec. 31, 202026

Plumas Bank Deposits 40,316 416,975* Dollars in thousands 517,097Feather River - Yuba BFR’s cost of deposits at12/31/20 was 0.28%. Plumas Bank’s cost of depositsat 12/31/20 was 0.09%. Plumas Bank’s loans to depositsratio was 72.9% at 12/31/20.This low ratio will allow forexpansion of BFR’s lendingportfolio.Bank of Feather River Deposits 32,166 50,752 71,669Balances as of Dec. 31, 202027

Plumas Bank Loans 42,495 29,680 3,463 70,700 97,089 467,270Feather River - Yuba * Dollars in thousandsReal estate loans comprised61% of BFR’s loan portfolio at12/31/20. Of these,approximately 50% werefarmland loans.Bank of Feather River Loans 1,305 303 5,157 18,45922% of BFR’s portfolio wascomprised of PPP loans at12/31/20. 34,233 95,827More than 10% of BFR’sportfolio was comprised ofagricultural loans not securedby real estate.Balances as of Dec. 31, 202028

StrengthsLake TahoeChallenges Managing Balance Sheetgrowth during the Pandemic Margin compression Director and Managementsuccession Stable Management team Strong core deposits Diversified loan portfolio Non-Interest Income streams Capital management Positioned for opportunity indisrupted environment Cybersecurity29

Bankers Cup – Recognizing the top 10% of Community Banks3rd Best Performing Community Bank in the Nation 20202nd Best Performing Community Bank in the Nation 2018-20195th Best Performing Community Bank in the Nation 2017(publicly traded with assets between 500 million and 10 billion)By Raymond James & Associates Sm-All Stars List of Top 30 Banks & Thrifts 2018-2020(publicly traded on a major exchange with market cap below 2.5 billion)By Sandler O’Neill PartnersRecentPerformanceBased Awards Top 100 Community Banks 2019Top 2% of all Community Banks 2018(with assets under 3 billion)By S&P Global Market Intelligence CB Top 10 – Recognizing the top 10% of Community Banks 2015-2020(community banks with assets between 500 million and 5 billion)By CB Resources, Inc. ‘Super Premier’ Performing Bank 2015-2019By The Findley Reports Bison Select Financial Institution 2019-2020(publicly traded banks without formal sell-side coverage)By D.A. Davidson30

Years at Plumas Bank – 15. BJ North. Aaron Boigon. Quincy. Jeff Moore. EVP Chief Information Officer. Years at Plumas Bank 8. Business Model. Business Lending. Agricultural Lending. Government-Guaranteed. Retail Lending Branch n