Mainstreet Bancshares, Inc. · NASDAQ:MNSB
Mainstreet Bancshares — Q2 2026 Earnings Presentation
28 slides from Mainstreet Bancshares's earnings presentation, Jul 20, 2026
Slide 1: 2026 Q2 Financial Highlights
July 20, 2026 2026 Q2 Financial Highlights
Slide 2: Forward-looking statements and additional information
Forward-looking statements and additional information Statements in this presentation which are not As such, actual results could differ materially from historical are “forward-looking statements” within the those expressed or implied by forward-looking meaning of Section 27A of the Securities Act o
Slide 3: Excellent market driven by diverse business
Excellent market driven by diverse business Major universities ● Georgetown ● GW ● American ● Howard ● George Mason ● Gallaudet ● Catholic ● UMUC ● Marymount Federal hub ● Defense contracting ● CACI ● Lockheed Martin ● FTI ● SAIC Other notable ● Historic trend of low unemployment Resident fortune 50
Slide 4: The DC Metropolitan area
The DC Metropolitan area $135,089 $830,984 Median household Average DOGE is done. The income1 listing price2 DC market remains vibrant. 30 684K Median days on the Government employees in market2 the DMV3 1 Federal Reserve Economic Data – Year End 2024 – Fairfax (VA), Loudoun (VA), Arlington (VA), Mo
Slide 5: Strategic balance sheet management
Strategic balance sheet management March 2022 $44M April 2021 Sub-Debt Offering Sept. 2020 $30M Sub-Debt $28.75M Offering $2,243 Depository $2,228 $2,213 April 2019 Share Offering Became SEC $2,035 Registrant and $1,926 Began Trading August 2018 on NASDAQ Capital Market January 2017 $45M Private $1,
Slide 6: Rooted in community
Rooted in community branch-lite structure Branch Locations Arlington, VA Fairfax, VA ● Headquarters: Fairfax, VA ● Full-time employees: 166 Herndon, VA ● Assets per employee: $13,513M Leesburg, VA ● Holding company established: 2016 Middleburg, VA McLean, VA Washington, D.C. 6
Slide 7: MainStreet Bancshares, Inc.
MainStreet Bancshares, Inc. MNSB Close common stock price $24.69 Price / tangible book value 94% Common shares 7,117,438 Market capitalization $176 million Tangible book value $26.30 MNSBP Close preferred stock price $25.19 MainStreet Banchshares, Inc. is a component of the Russell 2000 Index 7
Slide 8: 2026 second quarter financial overview
2026 second quarter financial overview 2Q26 1Q26 4Q25 3Q25 2Q25 Profitability EPS $0.58 $0.48 $0.46 $0.52 $0.53 ROAA2 0.85% 0.76% 0.75% 0.85% 0.86% ROATCE2 8.88% 7.58% 7.31% 8.40% 8.84% Net interest margin1,2,3 3.53% 3.47% 3.36% 3.42% 3.75% Net loans ($ millions) $1,928 $1,851 $1,842 $1,788 $1,767 T
Slide 9: Sound liquidity management
Sound liquidity management Metric 2Q26 1Q26 4Q25 3Q25 Liquidity coverage ratio (LCR)1 105% 122% 106% 147% Loan / Deposit Ratio 100% 98% 98% 100% FDIC insured / total deposits 2 72% 72% 72% 75% High quality liquid assets 3 $163 $220 $217 $196 Secured line available balance $666 $663 $587 $527 Unsecur
Slide 10: Balance sheet is neutrally positioned
Balance sheet is neutrally positioned Earnings at Risk 25.00% 12-month outlook 21.88% % Change in Net interest Income 20.00% 14.61% 15.00% 10.00% 7.15% 5.00% 1.16% 0.00% 0.00% -0.55% -0.26% 0.07% 0.26% -5.00% -4% -3% -2% -1% 0% 1% 2% 3% 4% % Change in Net Interest Income Immediate and sustained chan
Slide 11: Net interest margin expansion
Net interest margin expansion Reported NIM improves to converge with Core NIM Quarterly net interest margin 1 Core Net Interest Margin Reported Net Interest Margin 3.90% 3.80% 3.53% 3.70% NIM 3.60% 3.53% 3.50% 3.40% 3.30% 3.20% 3.10% 1Q25 2Q25 3Q25 4Q25 1Q26 2Q26 1 Tax-equivalent yield 11
Slide 12: Net interest margin dependably above 3%
2.50% 3.00% 3.50% 4.00% 4.50% 5.00% Sep-04 May-05 Jan-06 Sep-06 May-07 Jan-08 Sep-08 Great May-09 Recession Jan-10 Sep-10 May-11 Jan-12 Sep-12 May-13 Jan-14 Sep-14 May-15 Jan-16 Net Interest Margin Sep-16 May-17 Jan-18 Sep-18 Bank Net Interest Margin (TE) May-19 Jan-20 Sep-20 May-21 with one excepti
Slide 13: Net interest margin expands from both sides
Net interest margin expands from both sides 8.00% Quarterly net interest margin1 calculation 6.84% 6.82% 6.86% 6.84% 7.00% 6.66% 6.46% 6.57% 6.47% 6.23% 6.19% 6.20% 6.00% 5.00% 3.53% NIM 4.00% 3.66% 3.53% 3.61% 3.50% 3.26% 3.27% 3.08% 3.06% 2.87% 3.00% 2.71% 2.67% 2.00% 23Q3 23Q4 24Q1 24Q2 24Q3 24Q4
Slide 14: CRE loans maintain consistent credit spreads
CRE loans maintain consistent credit spreads MNSB CRE Yield vs 5Y Treasury Note 8.00% 7.00% 6.00% 5.00% 4.00% Average spread 3.00% of 334bps over 2.00% the 5 Yr T-Note 1.00% since 2016. 0.00% 11/1/2016 12/1/2018 10/1/2019 11/1/2021 12/1/2023 10/1/2024 6/1/2016 4/1/2017 9/1/2017 2/1/2018 7/1/2018 5/1
Slide 15: Cumulative loan charge-offs are nominal
Cumulative loan charge-offs are nominal Lifetime charge-offs Other Loans - $5 million Owner-Occupied Commercial Real Estate Loans - $2.3 million Investor Commercial Real Estate Loans - $5.3 million Total - $12.6 million Bank Net Charge-Offs $10,000,000 $9,000,000 $8,000,000 Inflation 2020 Covid Grea
Slide 16: Optimizing funding costs within a competitive market
Optimizing funding costs within a competitive market 50bp Interest-bearing DDAs Non-interest bearing DDAs Time decrease in deposit 42% 43% 41% 39% 40% cost year-on-year Our clients are financially 19% 19% 19% 18% 20% astute, which translates to a higher cost of deposits. We continue to focus on buil
Slide 17: Deposit mix adjusts with market conditions
Deposit mix adjusts with market conditions wholesale deposits augment strong loan relationships 100% 90% 22% 22% 24% 25% 26% 27% 26% 27% 28% 32% 30% 30% 80% 70% 23% 24% 23% 24% 60% 24% 25% 24% 23% 22% 22% 23% 23% 50% 40% 23% 32% 37% 35% 30% 31% 31% 27% 35% 28% 31% 30% 30% 20% 10% 23% 21% 20% 20% 19%
Slide 18: 2nd half 2026 expectations
2nd half 2026 expectations The team is focused on • Forward looking expense run rate to stay under $13 million per quarter revenue through remainder of the year. generation • Loan growth for 2026 expected to be and between 5% and 7%. expense control 18
Slide 19: Earnings drives book value
Earnings drives book value Buybacks also accrete to book value YOY change in tangible book value per common share $26.75 $1.79 $26.30 $26.25 $25.75 84% $25.25 $24.75 $0.34 $24.25 $24.17 16% $23.75 Tangible Buyback Earnings Tangible book value Accretion Accretion book value 2Q25 2Q26 19
Slide 20: Diversified loan portfolio
Diversified loan portfolio with strategic management and growth in owner-occupied CRE Q2 2026 YE 2025 Residential Residential Real Estate Real Estate 12% 12% Non-Owner Non-Owner Occupied CRE, Occupied CRE 30% 30% Construction, $1.9B $2.0B Construction 16% 16% C&I Owner- C&I 5% Occupied CRE 6% Multi-
Slide 21: Government contractor book self-funds
Government contractor book self-funds new relationships are creating meaningful impact 29 asset-based lines of credit $10M Total outstanding $82 $65M Total committed million Average non-interest bearing 4 term loans deposits $5.7M Total outstanding 21
Slide 22: Good loan metrics
Good loan metrics $46,810 $46,252 Average New Loan Size Legal Lending Limit $45,353 $42,986 $44,488 $34,104 $28,430 $23,684 $3,323 $2,491 $2,330 $2,309 $2,045 $1,911 $1,397 $1,388 2019 2020 2021 2022 2023 2024 2025 2026 Q2 Average loan size excludes consumer loans 22
Slide 23: CRE loans are in-market
CRE loans are in-market 91% of construction loans are within 25 miles of our branch network. 23
Slide 24: Stress tests reveal strong capital position
Stress tests reveal strong capital position Pre- and post-stress capital ratios 15.4% 15.2% 15.1% 14.6% 14.1% 12.8% 12.6% 11.8% 11.0% 10.6% 7.0% 2Q25 3Q25 4Q25 1Q26 2Q26 Stress Loss Estimates ($000) $46,790 $48,820 $62,933 $69,548 $71,335 Pre stress CET1 / RBC Post stress CET1 / RBC Regulatory thres
Slide 25: Diligent efforts to work through loans
Diligent efforts to work through loans Classified Classified Other Real Performing Nonaccrual Estate Loans Loans Owned Relationships 8 13 1 Balances (million) $54.4 $61.3 $0.9 As a % of 2.79% 3.14% 0.05% Gross Loans $ million Nonaccrual loan probable outcome Properties in foreclosure/bankruptcy. Rel
Slide 26: Financial highlights
Financial highlights Year-End Financials Quarter-End Financials Q2’26 In $000 unless otherwise noted 2022 2023 2024 2025 Q2’25 Q3’25 Q4’25 Q1’26 Q2’26 LTM Interest Income 83,845 124,421 134,615 131,588 127,646 34,286 32,464 31,874 31,218 32,090 Interest Expense 13,836 47,679 72,041 62,043 57,676 15,
Slide 27: Financial highlights continued
Financial highlights continued Year-End Financials Quarter-End Financials Q2’26 2022 2023 2024 2025 Q2’25 Q3’25 Q4’25 Q1’26 Q2’26 In $000 unless otherwise noted LTM Performance Metrics (%) ROAA 1.53 1.38 -0.47 0.73 0.80 0.86 0.85 0.75 0.76 0.85 ROAE 13.98 12.66 -4.44 7.33 8.02 8.72 8.33 7.37 7.63 8.
Slide 28: Definitions
Definitions ACL Allowance for Credit Losses $MM Millions of Dollars AOCI Accumulated Other Comprehensive NCOs Net Charge-Offs Income CET1 Common Equity Tier-1 OREO Other Real Estate Owned CET1-RBC Common Equity Tier-1 Risk-Based ROAA Return on Average Assets Capital CRE Commercial Real Estate ROAE R
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