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Northwestern Bank, National Association

Dilworth, MN · Cert 9746 · Northwestern Bancshares Inc.

National charter · OCC · 6 branches

Q2 2026

Board Package

Performance Trends and Peer Comparison

Part 1Performance Trends, own institution only2
Part 2Peer Comparison, banks under $1B in assets3

Basis

Quarter: Q2 2026, the quarter ended June 30, 2026, on both parts.

Income statement: year to date as filed, annualized, on both parts.

Balance sheet: as filed at quarter end.

Peer group

Banks under $1B in assets (n=581 to 629). Each measure ranks only the institutions that reported it, so n varies by measure.

Peer groups below the disclosure floor are suppressed.

Peer standing

Capital

34

Q2 2024Q2 2026peer median (50)

Asset Quality

22

Q2 2024Q2 2026peer median (50)

Profitability

83

Q2 2024Q2 2026peer median (50)

Liquidity

68

Q2 2024Q2 2026peer median

Efficiency

52

Q2 2024Q2 2026peer median (50)

Growth

No peer data yet

Capital, Asset Quality, Profitability, Efficiency: higher is always a stronger peer standing (▲ better, ▼ worse). Liquidity, Growth: the score reflects closeness to the peer median -- 100 is sitting exactly at the median, falling the same way whether the bank runs above or below it.

Source: FFIEC Call Report (031/041/051), as filed. Dollar figures derived from reported amounts in thousands. Ratios computed by CallReports.ai using published regulatory formulas.

CallReports · callreports.ai · Board PackageGenerated 2026-10-11

Northwestern Bank, National Association

Dilworth, MN · Cert 9746 · Northwestern Bancshares Inc.

National charter · OCC · 6 branches

Q2 2026

$164.7MAssets
$126.4MLoans
$143.7MDeposits
$18.7MEquity
Loan mix
83%RE $89.8M14%C&I $14.8M4%Consumer $3.9MQ3 2024Q2 2026
Deposit mix
77%Interest-bearing $110.9M23%Noninterest $32.8MQ3 2024Q2 2026

Return on Assets (YTD, annualized)

1.45%+66 bps YoY

Net Interest Margin (YTD, annualized)

5.91%+103 bps YoY

Efficiency Ratio (YTD, annualized)

67.11%-1,296 bps YoY

Tier 1 Leverage Ratio

11.15%+25 bps YoY

NIM

5.82%Q2 ’245.86%Q2 ’256.77%Q2 ’26+4%+21%

Non-interest income vs. expense

4.22%Q2 ’244.20%Q2 ’254.30%Q2 ’260%-1%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.65%0.67%0.71%0.79%0.86%0.85%1.02%1.45%+66 bps
Net Interest Margin4.72%4.59%4.76%4.88%4.96%4.89%5.36%5.91%+103 bps
Non-Interest Burden3.84%3.70%3.78%3.79%3.77%3.66%3.81%3.75%-4 bps
Loan Growth (YoY)-6.70%-3.12%-0.25%0.96%6.51%6.14%6.76%6.87%+590 bps
Nonperforming Loans / Loans0.28%3.49%3.37%3.21%2.90%1.60%0.25%1.23%-198 bps
Allowance / Loans1.63%1.61%1.62%1.56%1.55%1.61%1.69%1.61%+5 bps
Tier 1 Leverage Ratio10.53%10.42%10.63%10.90%10.96%10.71%10.60%11.15%+25 bps
Equity / Assets10.73%10.00%10.52%10.96%11.56%10.75%10.90%11.37%+41 bps
Liquid Assets / Assets10.74%14.76%12.97%8.46%4.39%7.51%6.53%4.65%-382 bps

Source: FFIEC Call Report (031/041/051), as filed. Dollar figures derived from reported amounts in thousands. Ratios computed by CallReports.ai using published regulatory formulas. Income-statement figures are year-to-date as filed, annualized (the UBPR convention). Each quarter includes the ones before it.

CallReports · callreports.ai· Performance TrendsGenerated 2026-10-11

Northwestern Bank, National Association

Dilworth, MN · Cert 9746 · Peer group: banks under $1B in assets (n=581-629) · Northwestern Bancshares Inc.

National charter · OCC · 6 branches

Q2 2026

$164.7MAssets
$126.4MLoans
$143.7MDeposits
$18.7MEquity

Return on Assets

1.47%

Rank 150 of 629

Net Interest Margin

5.91%

Rank 7 of 629

Efficiency Ratio

67.11%

Rank 304 of 629

Equity / Assets

11.37%

Rank 265 of 629

Non-interest income vs. expense

$0.9M$7.0MINCOMEEXPENSE
Unfavorable gap of $6.1M · efficiency ratio beats 52% of banks under $1B in assets
Bank 67.11%Peer median 67.8%Q2 2024Q2 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRank8-Qtr TrendPeer Position
Return on Assets1.47%0.60%1.01%1.45%Beats 76%150 / 629
Net Interest Margin5.91%3.03%3.54%4.05%Beats 99%7 / 629
Nonperforming Loans / Loans1.23%0.09%0.46%1.20%Beats 25%438 / 581
Tier 1 Capital Ratio11.15%11.24%13.84%18.77%Beats 24%476 / 629
Equity / Assets11.37%9.09%10.65%13.80%Beats 58%265 / 629
Loans / Assets76.74%53.31%67.71%78.15%71st pctl180 / 629