Great Plains Bank
Eureka, SD FDIC 505 $100M-$500M
Quarter Ended
Q1'26
Data as of March 31, 2026
Quarterly Snapshot
Metric Q1'26 YoY Δ Q1'25
Profitability
Return on Assets (%) 2.42% -2.48 4.90%
Return on Equity (%) 14.00% -16.07 30.07%
Net Interest Margin (%) 4.36% -2.40 6.75%
Efficiency Ratio (%) 41.43% +20.49 20.94%
Pre-Provision Profit ($M) $1 -0.96 $2
Cost of Funds (%) 1.64% -0.16 1.79%
Balance Sheet
Total Assets ($M) $151 +3.52 $148
Gross Loans ($M) $112 +3.87 $108
Loan Growth YoY (%) 91.18% +1.02 90.16%
Total Deposits ($M) $121 +2.71 $118
Shareholders Equity ($M) $27 +1.80 $25
Tang. Book Value ($M) $27 +1.80 $25
TBV excl. AOCI ($M)** $28 +1.88 $27
Loan / Deposit Ratio (%) 91.18% +1.02 90.16%
Credit Quality
NPA / Total Assets (%) 0.12% -0.29 0.41%
Allowance / Loans (%) 1.66% 0.13% 1.53%
Net Charge-Off Ratio (%) 0.16% -0.40 0.56%
Capital
Tier 1 Capital Ratio (%) 0.00% 0.00 0.00%
** TBV excl. AOCI adds back unrealised losses on AFS securities to show capital excluding mark-to-market interest rate impact.
8-Quarter Trend
Metric Q2'24 Q3'24 Q4'24 Q1'25 Q2'25 Q3'25 Q4'25 Q1'26
▁▁▁█▅▄▃▁ Net Interest Margin (%) 4.34% 4.32% 4.35% 6.75% 5.56% 5.41% 5.14% 4.36%
▁▁▁█▄▃▂▁ Return on Assets (%) 2.23% 2.21% 2.21% 4.90% 3.47% 3.16% 2.71% 2.42%
███▁▅▅▇▇ Efficiency Ratio (%) 45.1% 44.5% 44.9% 20.9% 33.2% 34.1% 39.2% 41.4%
▄▇█▅▆▆▃▁ Cost of Funds (%) 1.75% 1.85% 1.90% 1.79% 1.80% 1.80% 1.71% 1.64%
█▇▅▃▆▁▁▁ NPA / Assets (%) 1.54% 1.20% 0.88% 0.41% 1.04% 0.05% 0.01% 0.12%
██▆▃▇▁▁▁ Net Charge-Off Ratio (%) 1.70% 1.71% 1.24% 0.56% 1.44% 0.07% 0.02% 0.16%
▁▂▂▅▆███ Tang. Book Value ($M) $22 $24 $23 $25 $25 $26 $26 $27
▁▁▃▅▃▄██ Gross Loans ($M) $103 $103 $106 $108 $106 $107 $113 $112
▁▆▇▅▃▆█▇ Total Deposits ($M) $113 $120 $122 $118 $117 $120 $123 $121
Portfolio Composition — Q1'26
Loan Mix%
Real Estate42%
C&I / Commercial6%
Agricultural44%
Consumer7%
Other2%
Deposit Mix%
Nonint.-Bearing Demand16%
Interest-Bearing (core)72%
Brokered / Other12%
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