First Security Bank
Mackinaw, IL FDIC 3698 $100M-$500M
Quarter Ended
Q1'26
Data as of March 31, 2026
Quarterly Snapshot
Metric Q1'26 YoY Δ Q1'25
Profitability
Return on Assets (%) 0.98% -0.06 1.05%
Return on Equity (%) 8.62% -0.21 8.83%
Net Interest Margin (%) 4.03% +0.31 3.72%
Efficiency Ratio (%) 66.21% -2.24 68.44%
Pre-Provision Profit ($M) $0 +0.14 $0
Cost of Funds (%) 1.90% -0.07 1.97%
Balance Sheet
Total Assets ($M) $149 +21.51 $127
Gross Loans ($M) $121 +26.61 $94
Loan Growth YoY (%) 93.90% +10.76 83.14%
Total Deposits ($M) $127 +15.30 $112
Shareholders Equity ($M) $17 +1.38 $15
Tang. Book Value ($M) $13 +1.44 $12
Loan / Deposit Ratio (%) 93.90% +10.76 83.14%
Credit Quality
NPA / Total Assets (%) 0.00% -0.55 0.55%
Allowance / Loans (%) 1.12% -0.10% 1.22%
Net Charge-Off Ratio (%) 0.00% -0.75 0.75%
Capital
Tier 1 Capital Ratio (%) 0.00% 0.00 0.00%
** TBV excl. AOCI adds back unrealised losses on AFS securities to show capital excluding mark-to-market interest rate impact.
8-Quarter Trend
Metric Q2'24 Q3'24 Q4'24 Q1'25 Q2'25 Q3'25 Q4'25 Q1'26
▁▁▁▂▄▆▆█ Net Interest Margin (%) 3.68% 3.70% 3.69% 3.72% 3.85% 3.91% 3.94% 4.03%
█▇▆▂▃▂▂▁ Return on Assets (%) 1.39% 1.31% 1.28% 1.05% 1.10% 1.07% 1.08% 0.98%
▁▁▂██▆▇▆ Efficiency Ratio (%) 61.5% 62.2% 62.3% 68.4% 68.0% 65.9% 66.9% 66.2%
▄██▃▁▄█▁ Cost of Funds (%) 2.01% 2.11% 2.12% 1.97% 1.92% 2.00% 2.12% 1.90%
▁▁▁▆█▁▃▁ NPA / Assets (%) 0.00% 0.00% 0.00% 0.55% 0.75% 0.00% 0.26% 0.00%
▁▁▁▇█▁▃▁ Net Charge-Off Ratio (%) 0.00% 0.00% 0.00% 0.75% 0.97% 0.00% 0.33% 0.00%
▁▂▂▃▄▆██ Tang. Book Value ($M) $11 $12 $11 $12 $12 $13 $13 $13
▁▁▁▂▃▄▆█ Gross Loans ($M) $90 $93 $93 $94 $99 $104 $110 $121
▁▁▃▃▃▇▇█ Total Deposits ($M) $104 $106 $111 $112 $112 $124 $123 $127
Portfolio Composition — Q1'26
Loan Mix%
Real Estate66%
C&I / Commercial12%
Agricultural20%
Consumer1%
Other1%
Deposit Mix%
Nonint.-Bearing Demand14%
Interest-Bearing (core)68%
Brokered / Other17%
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