附件99.1

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1 2022年9月20日收購Citizens BancShares Co.

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2 關於前瞻性Statements Thispresentationmaycontain“forward-lookingstatements”withinthemeaningofthePrivateSecuritiesLitigationReformActof1995regardingSouthernMissouriBancorp,Inc.(the“Company”or“SMBC”).Forward-lookingstatementsoftenincludethewords“believes,的安全港“”預期“”、“預計”、“估計”、“預測”、“打算”、“計劃”、“目標”、“潛在”、“可能”、“項目、”“outlook”orsimilarexpressionsorfutureorconditionalverbssuchas“may,”、“將會”、“應該”、“”“would”and“could.”Theseforward-lookingstatementsaresubjecttoknownandunknownrisks,uncertaintiesandotherfactorsthatcouldcausetheactualresultstodiffermateriallyfromtheforward-lookingstatements,包括,如果沒有限制,thefollowing:therequisiteregulatoryandshareholderapprovalsfortheCompany’sacquisitionofCitizensBancsharesCo.(“CBC”),whichisthe100%ownerofCitizensBankandTrustCompany(collectively,“公民”),可能無法獲得,orotherconditionstocompletionofthetransactionmightnotbesatisfiedorwaived;預期的成本節約,synergiesandotherbenefitsfromtheCompany’smergerandacquisitionactivities,includingtheacquisitionofCBCandtheCompany’sotherrecentlycompletedacquisition,mightnotberealizedwithintheanticipatedtimeframesoratall,andcostsordifficultiesrelatingtointegrationmatters,includingbutnotlimitedtocustomerandemployeeretention,mightbegreaterthanexpected;thestrengthoftheUnitedStateseconomyingeneralandthestrengthofthelocaleconomiesinwhichtheCompanyconductsoperations,includingunemploymentlevelsandlaborshortages;fluctuationsininterestratesandinflation, Includingtheeffectsofapotentialrecessionorslowedeconomicgrowthcausedbychangesinoilpricesorsupplychaindisruptions;monetaryandfiscalpoliciesoftheBoardofGovernorsoftheFederalReserveSystemandtheU.S.Governmentandothergovernmentalinitiativesaffectingthefinancialservicesindustry;therisksoflendingandinvestingactivities,includingchangesinthelevelanddirectionofloandelinquenciesandwrite-offsandchangesinestimatesoftheadequacyoftheallowanceforloanlosses;theCompany’sabilitytoaccesscost-effectivefunding;thetimelydevelopmentofandacceptanceoftheCompany’snewproductsandservicesandtheperceivedoverallvalueoftheseproductsandservicesbyusers,包括功能、pricingandqualitycomparedtocompetitors’productsandservices;fluctuationsinrealestatevaluesandbothresidentialandcommercialrealestatemarkets, aswellasagriculturalbusinessconditions;demandforloansanddepositsintheCompany’smarketarea;legislativeorregulatorychangesthatadverselyaffecttheCompany’sbusiness;changesinaccountingprinciples,政策、orguidelines;resultsofexaminationsoftheCompanybyitsregulators,包括這些監管機構可能、以及其他情況下requiretheCompanytoincreaseitsreserveforloanlossesortowrite-downassets;theimpactoftechnologicalchanges;andtheCompany’ssuccessatmanagingtherisksinvolvedintheforegoing.Anyforward-lookingstatementsarebaseduponmanagement’sbeliefsandassumptionsatthetimetheyaremade. TheCompanyundertakesnoobligationtopubliclyupdateorreviseanyforward-lookingstatementsortoupdatethereasonswhyactualresultscoulddifferfromthosecontainedinsuchstatements,是否會產生新信息、未來或其他情況。考慮到風險、不確定性和假設、theforward-lookingstatementsdiscussedmightnotoccur,andyoushouldnotputunduerelianceonanyforward-lookingstatements.No要約或要約這些信息僅供參考,並不構成(I)購買要約, 也不徵求出售、認購或購買任何證券的要約,(Ii)交換任何證券的要約,或(Iii)徵求任何交易的投票批准。在任何州或其他司法管轄區,不得進行任何證券的要約、徵求、出售或交換,在這些州或其他司法管轄區內,不得進行此類要約、徵求、出售或交換。

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3 交易要點1)P/TBV和P/TBV ex-AOCI基於SMBC截至2022年9月19日的20天平均收盤價52.53美元注:顯示的是公民的銀行級別數據;截至2022年6月30日或截至2022年6月30日的12個月的財務數據來源:S&P Capital IQ Pro,Company Documents1)進入堪薩斯城MSA:2)密蘇裏州最大的MSA 2)全州業務:oSMBC成為總部位於密蘇裏州的第八大銀行財富金融收購於2022年2月完成提供進入密蘇裏州最大的MSA聖路易斯的途徑SMBC將在密蘇裏州11個最大的 市場中的8個市場運營3)公民誘人的存款:oAdds$8.8億粘性,低成本存款總存款的成本=0.15%無息存款/總存款=26%4)大大提高了SMBC的流動性和資金:oSMBC的貸存比=96%o公民貸存比=54%預計貸存比=86%o利用公民過剩的流動性應該有利於SMBC未來的淨息差外部流動性應有助於SMBC保持 貸款增長率5)顯著增加財富業務和管理的資產6)提高預計CRE集中度:o公民的CRE/基於風險的總資本集中度=189%CRE/基於風險的總資本集中度=312%7)低風險,市場擴展組合:o公認的收購歷史,在過去13年中成功整合了11筆收購SMBC的首席執行官成長於以公民分支機構網絡為代表的市場 紀律定價,P/TBV為150% (如果不包括公民的AOCI,則為138%)≈o預期成本節約=35%或在利用過剩流動性之前每股收益增長兩位數合併總資產=40+億美元

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4 公民銀行股份有限公司概述 公民銀行業務和財務詳情 公民銀行十億美元報告Snapshot¹14BankBranchesTangibleBookValue:$91.7millionDeposits:$879millionTotalLoans:$471millionTotalAssets:$1.0:5.55%報告ROATCE:0.51%TCERatio:9.16% 公民銀行成立於1889年,是一傢俬人持股的金融機構,通過其全資子公司公民銀行和信託公司(“”或“銀行”)為客户服務於堪薩斯城、聖約瑟夫和密蘇裏州西北部的其他社區。公民銀行已在堪薩斯城和密蘇裏州西北部建立了強大的立足點。2019年,公民銀行收購了堪薩斯城頂峯銀行。公民銀行一直在為其客户的獨特金融需求提供基於本地關係的迴應。CBT的銀行業務方法促進了一個支持社區發展併為客户提供代代相傳服務的環境。客户可以自信地依賴CBT及其專業銀行家員工提供專業知識、定製的產品和服務,以及為需要更多知識的人提供全面的金融教育計劃。 Business Line 社區銀行通過其14個分支機構和其他交付渠道為個人和商業客户提供全面服務的銀行業務。這包括 全系列的存款賬户、消費者和小企業貸款產品以及其他金融服務 商業銀行為其商業客户提供全方位的關係銀行服務,並定位為市場領先者,擁有強大的信用管理支持的地方決策和可觀的貸款限額 。該行在SBA貸款和CRE貸款方面擁有深厚的專業知識 。還有, 本銀行為其業務clients CorporateStructure:C-CorpChairmanoftheBoard:DonWalsworth,Sr.ChiefExecutiveOfficer:RogerArwoodHeadquarters:KansasCity,MOEstablished:1889FTEEmployees:180StatesofOperation:KS,MO提供存管和金庫服務1)截至2022年6月30日或截至2022年6月30日的12個月的綜合財務數據來源:標準普爾資本智商專業;公司文檔 財富管理CBT通過其 財富管理 渠道為選定的高淨值個人、企業和其他政府和非營利實體提供服務,其中包括信託和投資管理,以及全方位服務的私人銀行

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5 在密蘇裏州主要市場增加州內規模 SMBC公民 堪薩斯城MSA 聖約瑟夫MSA SMBC 公民 堪薩斯城MSA 聖約瑟夫MSA來源:標普資本智商專業版

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6 SMBC位於密蘇裏州大部分主要市場 堪薩斯城MSA亮點 Cityfor RemoteWorker(FinanceBuzz-2021) #1 經濟增長潛力(Business Facilities-2019) 前10名 25個最適合工作的城市(Glassdoor-2020) 前15名 美國城市創業公司(商業咖啡館-2019) 前20名 Top100 BestPlacoLive(Livability-2019) 前50名 堪薩斯州首席執行官移動中心 生活成本人口增長率86.2(平均:100.0)3.2%3.0%預計增長2022-2027 堪薩斯城頂級企業在密蘇裏州最大市場的覆蓋率 大都會SMBC公民PF2022統計區域存在存在人口。路易斯是不是2,819,268堪薩斯州CityNoYesYes2,205,616SpringfieldYesNoYes481,237ColumbiaNoYesYes212,513JoplinNoNoNo181,100Jefferson城市不是149,859街。JosephNoYes121,430 CAPE GirardeauYesNoYes97,402FarmingtonNoNoNo66,475BransonYesNoYes56,595Poplar BluffYes55,123 1)截至2022年7月來源:標普資本智商專業;勞工統計局

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7 存款市場份額:雜項注:截至2021年6月30日的存款數據 總部位於密蘇裏州的銀行 在密蘇裏州運營的銀行總數 存款市場 RankInstitutionBranches($2000)份額(%) 1美國銀行金融公司60$23,511,37610.212UMB金融公司46$22,858,6839.794美國商業銀行股份有限公司95美元20,388,5888.855Stifel Financial Corp.4$19,351,5468.406中央銀行Inc.136$13,457,2825.847企業金融服務公司21$4,893,5362.128 Simmons First National Corp.45$4,068,4691.779區域金融公司51$3,935,5161.7110 Great Southern Bancorp Inc.67$3,389,8241.4711 First State Bancorp Inc.57$3,154,3621.3712 SMBC/Citizens Pro Forma56$3,008,8981.3112 Mancorp$27$2,899,1111.2613蒙特勒銀行24$2,570,7461.1214可靠社區銀行股份有限公司29美元2,243,6410.715FB公司31美元2,197,9240.9516美元2,180,2481.312美元Avest Bank Group Inc.38$2,052,6270.8919 Stupp Bros.Inc.17$1,803,4290.7820QCR Holdings,Inc.16$1,604,2840.7040公民銀行股份有限公司13$854,7680.37在MO(274)2,130$230,332,661100.00 Total Number DepositsMarket RankInstitutionBranches($000s)Share(%) 1UMB金融公司46$22,885,47515.132商業銀行股份有限公司95$20,388,58613.483Stifel Financial Corp.4$19,351,54612.804中央銀行Inc.136$13,457,2828.905企業金融服務公司21$4,893,5363.246 Great Southern Bancorp Inc.67$3,389,8242.247 First State Bancorp Inc.57$3,154,3622.098SMBC/Citizens Pro Forma56$3,008,8981.998 Reliable Community BancShares Inc.29$2,243,6411.489FB Corp.31$2,197,9241.4510 Southern MisSouri Bancorp Inc.43$2,154,1301.211Stupp Bro.17$1,803,4291.1912OakShares Inc.16$1,491,1460.9913NASB Financial Inc.10$1,446,70.999614$1,197,9241.4510 Southern Misouri Bancorp Inc.43$2,154,1301.211Stupp Broc.17$1,803,4291.1912OakStar BancShares Inc.16$1,491,1460.9913NASB Financial Inc.2900.7616迪金森金融公司II29 1,136美元, 英鎊銀行股份有限公司11美元1,105,4020.7318節點谷銀行股份有限公司10美元1,093,7270.7219卡斯信息系統公司3美元1,036,9780.6920林肯縣銀行股份有限公司21美元1,025,5290.6825公民銀行股份有限公司13美元854,7680.57密蘇裏州總銀行總部1,523美元151,235,755100.00 SMBC成為密蘇裏州第8大銀行總部

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8 注:顯示的銀行級財務數據來源:標普資本智商預案貸款構成(截至6月30日,2022) 1 - 4 Family 23.8% Multifamily 10.0% CRE 33.1% C&D 7.9% C&I 12.4% Consumer 1.5% Other 11.3% 1 - 4 Family 24.3% Multifamily 11.3% CRE 32.4% C&D 6.9% C&I 11.4% Consumer 1.6% Other 12.1% 1 - 4 Family 21.0% Multifamily 2.1% CRE 37.1% C&D{Br}14.0% C&I 18.2% Consumer 1.0% Other 6.5% Citizens銀行和信託 南方銀行 預計貸款組合$471M4.14%收益率6/30/22 LTM$2.7B4.63%收益率6/30/22 LTM$3.2B4.56%貸款類型(美元)金額(%)總計1-4 Family661,49824.3%Multifamily307,54511.3%CRE881,28332.4%C&D187,0836.9%C&I308,85411.4%Consumer44,0811.6%Other329,04612.1%Total貸款和租賃2,719,390100.0%貸款/存款收益率4.63%貸款/存款金額(%)1-4 Family760,54923.8%Multifamily317,49710.0%CRE1,056,04133.1%C&D253,1247.9%C&I394,62312.4%Consumer49,0081.5%Other359,90411.3%Total貸款和租賃總額3,190,746100.0%貸款/存款收益率4.56%貸款/存款總額86.1% 貸款類型(000美元)總額1-4 Family99,05121.0%Multifamily9,9522.1%CRE174,75837.1%C&D66,04114.0%C&I85,76918.2%Consumer4,9271.0%Other30,8586.5%Total貸款和租賃471,356,100.0%貸款收益率4.14%貸款/存款53.6%

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9 1)代表超過100,000美元的定期存款注:銀行級財務數據顯示來源:標準普爾資本智商預估存款構成(截至6月30日,2022) 交易 30.9% 節省& MMDA 48.5% Retail Time 8.4% Jumbo Time ¹ 12.2% Transaction 20.7% Savings& MMDA 56.6% Retail Time 8.7% Jumbo時間 ≈ 13.9% 交易 63.6% 儲蓄和 Mmda 22.2% 零售時間 7.6% 巨型時間 6.5% 公民銀行和信託 南方銀行 備考$3.7B0.40%成本$880M0.15%成本6/30/22 LTM$2.8B0.46%成本6/30/22 LTM 存款Type($000‘s)TotalTransaction585,92020.7%Savings&MMDA 1,599,54056.6%金額(%)零售時間245,5548.7%Jumbo Time393,07613.9%總存款成本2,824,090100.0%NIB存款0.46%NIB/總存款423,653 NIB/總存款15.00% Type($000‘s)TotalTransaction1,145,74630.9%Savings&MMDA金額(%)1,795,13948.5%零售時間312,3858.4%Jumbo Time450,62012.2%總存款成本3,703,890100.0%NIB存款655,57NIB/總存款17.7% Type($000’s)TotalTransaction559,82663.6%Savings&MMDA195,5992.2%零售時間66,8317.6%Jumbo 57,446.5%總存款879,800100.0%存款成本0.15%NIB存款232,204 NIB/總存款26.39% 存款構成

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10 公民粘性,經驗豐富的核心存款基準:為公民顯示的銀行級財務數據來源:標普資本智商機會以54%的貸存比利用核心存款資金基礎 核心Deposits 18% 19% 24% 26% 26% 53% 50% 49% 57% 59% 16% 17% 13% 9% 8%{br顯著增長}13% 15% 14% 8% 7% 6/30/2018 6/30/2019 6/30/2020 6/30/2021 6/30/2022 Core NIB Non-Time IB 零售CD(

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11 Key TrendsNote: Bank level financial data shownSource: S&P Capital IQ Pro; Company documents Loans / Deposits (%) Cost of Deposits (%) 0.68 0.67 0.84 1.22 1.20 0.66 0.46 0.31 0.35 0.50 0.78 0.77 0.33 0.15 6/30/2016 LTM 6/30/2017 LTM 6/30/2018 LTM 6/30/2019 LTM 6/30/2020 LTM 6/30/2021 LTM 6/30/2022 LTM Southern Bank CBT Efficiency Ratio (%) Yield on Loans (%) 4.84 4.75 4.93 5.28 5.19 4.86 4.63 4.17 4.09 4.32 4.86 4.68 4.13 4.14 6/30/2016 LTM 6/30/2017 LTM 6/30/2018 LTM 6/30/2019 LTM 6/30/2020 LTM 6/30/2021 LTM 6/30/2022 LTM Southern Bank CBT 54.24 57.21 55.02 53.69 54.53 48.44 50.03 77.56 75.80 81.21 72.58 78.81 81.16 84.31 6/30/2016 LTM 6/30/2017 LTM 6/30/2018 LTM 6/30/2019 LTM 6/30/2020 LTM 6/30/2021 LTM 6/30/2022 LTM Southern Bank CBT 102.18 96.37 99.58 98.13 98.98 95.77 96.29 94.25 87.89 92.15 84.77 74.90 61.97 53.58 6/30/2016 6/30/2017 6/30/2018 6/30/2019 6/30/2020 6/30/2021 6/30/2022 Southern Bank CBT

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12 預計淨利息收入波動率 第二年NII波動率 第一年NII Volatility (1.2%) (3.0%) (7.6%) (11.1%) (11.7%) 3.4% 7.9% 12.3% (3.3%) (1.7%) (4.4%) (6.3%) (15.0%) (10.0%) (5.0%) 0.0% 5.0% 10.0% 15.0% -100 Bps +100bps +200bps +300bps SMBC 市民 形式 (4.5%) (0.4%) (4.4%) (5.8%) (15.8%) 4.0% 9.7% 15.8% (6.7%) 0.4% (1.6%) (1.6%) (20.0%) (15.0%) (10.0%) (5.0%) 0.0% 5.0% 10.0% 15.0% 20.0% -100 bps +100 bps +200 bps +300 bps SMBC Citizens 形式 收購使SMBC在速率敏感度方面變得更加中立

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13 強勁的手續費收入機會 穩健的財富管理部門 財富管理概述 AUM強勁增長(2000美元)由管理資產不斷增長的經驗豐富的團隊領導的全套財富管理產品 投資管理 提供深思熟慮的定製化指導,幫助客户實現財務目標私人銀行業務 私人銀行團隊運用其專業知識,為每個人的財務journey $277,383 $316,592 $333,755 $345,542 $335,386 $42,618{br提供完全定製的方法}2018 CY 2019 CY 2020 CY 2021 CY 2022 CQ2 ~6%CAGR 手續費收入($000s) $8,728 $8,863 $8,404 $9,105 $9,988 2018 CY 2019 CY 2020 CY 2021 CY 2022 CyTD² M佔手續費收入的百分比 24.4% 23.9% 25.2% 24.9%{Br}26.4% 27.1% 2018財年 2019財年 2020財年 2021財年 2022財年 預測 2023財年 預測 1)3.354億美元的總AUM不包括截至6月30日的6個月市值損失4260萬美元的影響,20222)截至2022年6月30日的六個月摺合成年率注:顯示的是銀行層面的財務數據;CY表示截至參考年份12月31日的歷年;CyTD表示截至2022年6月30日的六個月;CQ2表示截至2022年6月30日的三個月來源:標普資本智商專業版;公司文件11

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14 1)Based on SMBC’s 20-day average closing price as of September 19, 2022 of $52.532)For the twelve months ending June 30, 2024Consideration & Deal Value Cost Savings & Earnings Adjustments Cost Savings: 35% cost savings on Citizen’s non-interest expensePhase-In Period: 85% in FY2023 and FY2024 and 100% thereafterDisciplined Pricing & Attractive Financial Impact One-Time Merger Expenses: ~$8.6mm pre-taxImpact of one-time merger expenses fully included in pro forma closing impact for TBV and capitalLoan Credit Mark: 1.50% of loans or $7.3mm$1.2mm mark on PCD loans and $6.1mm on non-PCD~$5.9mm day 2 CECL reserveCore Deposit Intangible: 1.50% of non-time depositsAmortized over 6 years using the straight line methodClosing: early first calendar quarter of 2023Each Citizens shareholder has the right to elect:The number of shares to receive the cash consideration of $53.50The number of shares to receive the stock consideration at a fixed exchange ratio of 1.1448 shares of SMBC common stockAfter election, the merger consideration will be adjusted on a pro rata basis to achieve a 25% cash / 75% stock merger considerationImplied Transaction Value¹: $140mm in aggregate or $13.375 in cash plus 0.8586 shares of SMBC stock for an implied per share price of $58.48Price¹/ TBV: 150% (138% ex. AOCI)Price¹/ 2024E²EPS with Fully Phased-In Cost Savings: 7.1xConsideration is subject to price adjustments based on Citizens consolidated shareholders’ equity at closeTransaction Structure and Assumptions

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15 Attractive Financial Impact1)Based on SMBC’s 20-day average closing price as of September 19, 2022 of $52.53Financially-compelling transaction for Citizens that also delivers meaningful earnings accretion to SMBCP / TBV 150%¹ 138%¹ Core Deposit Premium 5.9%¹ 4.9%¹ FY 2024 EPS Accretion ~17% ~12% TBVPS Dilution ~8% ~4% TBV Earnback