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Gold Coast Bank

Chicago, IL · Cert 58556 · GC Bcorp Inc.

State charter, non-member · FDIC · 1 branch

Q1 2026

Board Package

Performance Trends and Peer Comparison

Part 1Performance Trends, own institution only2
Part 2Peer Comparison, banks under $1B in assets in the Chicago-Naperville-Elgin, IL-IN area3

Basis

Quarter: Q1 2026, the quarter ended March 31, 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 in the Chicago-Naperville-Elgin, IL-IN area (n=58 to 59). 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

57

Q2 2024Q1 2026peer median (50)

Asset Quality

71

Q2 2024Q1 2026peer median (50)

Profitability

53

Q2 2024Q1 2026peer median (50)

Liquidity

84

Q2 2024Q1 2026peer median

Efficiency

76

Q2 2024Q1 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

Gold Coast Bank

Chicago, IL · Cert 58556 · GC Bcorp Inc.

State charter, non-member · FDIC · 1 branch

Q1 2026

$463.1MAssets
$322.7MLoans
$366.4MDeposits
$68.5MEquity
Loan mix
94%RE $305.5M5%C&I $17.0M0%Consumer $1.6MQ2 2024Q1 2026
Deposit mix
94%Interest-bearing $346.1M6%Noninterest $20.3MQ2 2024Q1 2026

Return on Assets (YTD, annualized)

1.24%-9 bps YoY

Net Interest Margin (YTD, annualized)

3.02%-33 bps YoY

Efficiency Ratio (YTD, annualized)

59.73%+124 bps YoY

Tier 1 Leverage Ratio

14.86%+120 bps YoY

NIM

7.15%Q1 ’246.85%Q1 ’256.08%Q1 ’26-5%-10%

Non-interest income vs. expense

2.08%Q1 ’242.25%Q1 ’252.18%Q1 ’26+2%-12%

Year to date, annualized, through each quarter.

MetricQ2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026YoY ΔTrend
Return on Assets1.61%1.54%1.44%1.32%1.37%1.41%1.37%1.24%-9 bps
Net Interest Margin3.71%3.59%3.52%3.35%3.49%3.50%3.45%3.02%-33 bps
Non-Interest Burden1.71%1.70%1.76%1.75%1.80%1.78%1.75%1.54%-21 bps
Loan Growth (YoY)6.97%3.44%4.68%-0.54%-3.76%-3.59%-8.35%-8.73%-819 bps
Nonperforming Loans / Loans0.52%0.60%0.52%0.50%0.69%0.56%0.57%0.63%+13 bps
Allowance / Loans4.11%4.11%3.89%3.83%3.87%3.86%3.88%3.82%-1 bps
Tier 1 Leverage Ratio12.84%13.07%13.23%13.66%14.19%14.43%14.73%14.86%+120 bps
Equity / Assets13.00%12.86%13.10%13.80%14.11%14.52%14.59%14.79%+99 bps
Liquid Assets / Assets17.08%21.87%20.55%19.29%22.04%23.84%26.22%27.75%+846 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

Gold Coast Bank

Chicago, IL · Cert 58556 · Peer group: banks under $1B in assets in the Chicago-Naperville-Elgin, IL-IN area (n=58-59) · GC Bcorp Inc.

State charter, non-member · FDIC · 1 branch

Q1 2026

$463.1MAssets
$322.7MLoans
$366.4MDeposits
$68.5MEquity

Return on Assets

1.23%

Rank 14 of 59

Net Interest Margin

3.02%

Rank 44 of 59

Efficiency Ratio

59.73%

Rank 15 of 59

Equity / Assets

14.79%

Rank 15 of 59

Non-interest income vs. expense

$2.9M$10.1MINCOMEEXPENSE
Unfavorable gap of $7.1M · efficiency ratio beats 76% of banks under $1B in assets in the Chicago-Naperville-Elgin, IL-IN area
Bank 59.73%Peer median 71.6%Q2 2024Q1 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRank8-Qtr TrendPeer Position
Return on Assets1.23%0.50%0.81%1.17%Beats 76%14 / 59
Net Interest Margin3.02%3.01%3.53%3.99%Beats 25%44 / 59
Nonperforming Loans / Loans0.63%0.05%0.47%2.10%Beats 41%35 / 58
Tier 1 Capital Ratio14.86%12.08%14.72%19.07%Beats 51%29 / 59
Equity / Assets14.79%9.28%12.33%14.79%Beats 75%15 / 59
Loans / Assets69.68%56.94%69.07%76.97%51st pctl29 / 59