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First Security Bank of Roundup

Roundup, MT · Cert 20479 · Central Montana Bcorp

State charter, non-member · FDIC · 1 branch

Q2 2026

$94.5MAssets
$31.4MLoans
$81.8MDeposits
$12.3MEquity
Loan mix
15%RE $2.6M68%C&I $11.9M17%Consumer $3.0MQ2 2025Q2 2026
Deposit mix
65%Interest-bearing $53.2M35%Noninterest $28.6MQ2 2025Q2 2026

NIM

3.96%Q2 ’244.50%Q2 ’254.64%Q2 ’26+16%+4%

Non-interest income vs. expense

2.26%Q2 ’242.33%Q2 ’252.33%Q2 ’26+5%+1%

Financial Results

Return on Assets (YTD, annualized)

1.85%+15 bps YoY

Net Interest Margin (YTD, annualized)

4.31%+18 bps YoY

Efficiency Ratio (YTD, annualized)

49.59%-181 bps YoY

Tier 1 Leverage Ratio

13.36%+37 bps YoY

Year to date, annualized, through each quarter.

MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets1.71%1.74%1.74%1.78%1.85%+15 bps
Net Interest Margin4.12%4.22%4.12%4.24%4.31%+18 bps
Non-Interest Burden1.95%2.00%1.97%2.01%1.96%+1 bps
Loan Growth (YoY)6.72%10.45%5.73%7.57%8.83%+211 bps
Nonperforming Loans / Loans5.48%5.46%5.86%5.42%5.35%-13 bps
Allowance / Loans2.23%2.12%2.36%2.25%2.07%-16 bps
Tier 1 Leverage Ratio12.99%13.48%13.31%12.96%13.36%+37 bps
Equity / Assets12.52%13.44%12.74%12.86%13.02%+49 bps
Liquid Assets / Assets8.34%11.68%13.63%17.39%16.59%+825 bps