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South Shore Bank

South Weymouth, MA · Cert 90303 · Charlesbridge MHC

State charter, Fed member · FED · 13 branches

Q2 2026

Board Package

Performance Trends and Peer Comparison

Part 1Performance Trends, own institution only2
Part 2Peer Comparison, banks $1B-$10B in assets in the Boston-Cambridge-Newton, MA-NH area3

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 $1B-$10B in assets in the Boston-Cambridge-Newton, MA-NH area (n=27). 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

33

Q2 2024Q2 2026peer median (50)

Asset Quality

54

Q2 2024Q2 2026peer median (50)

Profitability

46

Q2 2024Q2 2026peer median (50)

Liquidity

0

Q2 2024Q2 2026peer median

Efficiency

48

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

South Shore Bank

South Weymouth, MA · Cert 90303 · Charlesbridge MHC

State charter, Fed member · FED · 1 affiliate bank · 13 branches (28 in holding)

Q2 2026

$2.5BAssets
$1.7BLoans
$2.2BDeposits
$242.8MEquity
Loan mix
81%RE $1.4B18%C&I $0.3B0%Consumer $0.0BQ3 2024Q2 2026
Deposit mix
80%Interest-bearing $1.8B20%Noninterest $0.4BQ3 2024Q2 2026

Return on Assets (YTD, annualized)

0.71%+24 bps YoY

Net Interest Margin (YTD, annualized)

2.75%+14 bps YoY

Efficiency Ratio (YTD, annualized)

68.88%-908 bps YoY

Tier 1 Leverage Ratio

10.10%+1 bps YoY

NIM

4.54%Q2 ’244.61%Q2 ’254.63%Q2 ’26+1%+6%

Non-interest income vs. expense

2.20%Q2 ’242.24%Q2 ’252.09%Q2 ’26+3%-8%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.49%0.38%0.40%0.47%0.59%0.67%0.69%0.71%+24 bps
Net Interest Margin2.65%2.62%2.69%2.60%2.73%2.75%2.75%2.75%+14 bps
Non-Interest Burden1.98%2.11%2.12%1.97%1.92%1.87%1.81%1.81%-17 bps
Loan Growth (YoY)4.39%7.11%5.48%5.20%8.18%6.36%7.37%7.72%+252 bps
Nonperforming Loans / Loans0.42%0.31%0.36%0.35%0.33%0.26%0.21%0.24%-11 bps
Allowance / Loans1.01%0.98%0.98%0.96%0.93%0.93%0.90%0.91%-5 bps
Tier 1 Leverage Ratio10.57%10.36%10.48%10.09%10.33%10.42%10.06%10.10%+1 bps
Equity / Assets9.72%9.37%9.54%9.29%9.39%9.60%9.37%9.62%+33 bps
Liquid Assets / Assets4.78%3.52%4.31%7.22%7.52%7.43%8.45%5.90%-132 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

South Shore Bank

South Weymouth, MA · Cert 90303 · Peer group: banks $1B-$10B in assets in the Boston-Cambridge-Newton, MA-NH area (n=27) · Charlesbridge MHC

State charter, Fed member · FED · 1 affiliate bank · 13 branches (28 in holding)

Q2 2026

$2.5BAssets
$1.7BLoans
$2.2BDeposits
$242.8MEquity

Return on Assets

0.71%

Rank 19 of 27

Net Interest Margin

2.75%

Rank 13 of 27

Efficiency Ratio

69.11%

Rank 15 of 27

Equity / Assets

9.62%

Rank 21 of 27

Non-interest income vs. expense

$7.2M$52.7MINCOMEEXPENSE
Unfavorable gap of $45.5M · efficiency ratio beats 48% of banks $1B-$10B in assets in the Boston-Cambridge-Newton, MA-NH area
Bank 69.11%Peer median 68.2%Q3 2024Q2 2026Shaded: peer 25th to 75th percentile
MetricYour BankPeer 25thPeer MedianPeer 75thStandingRank8-Qtr TrendPeer Position
Return on Assets0.71%0.48%0.78%0.99%Beats 30%19 / 27
Net Interest Margin2.75%2.49%2.70%3.34%Beats 52%13 / 27
Nonperforming Loans / Loans0.24%0.20%0.58%1.15%Beats 67%10 / 27
Tier 1 Capital Ratio13.87%13.21%14.69%16.81%Beats 37%17 / 27
Equity / Assets9.62%9.62%11.14%13.14%Beats 22%21 / 27
Loans / Assets67.48%75.31%80.56%83.39%7th pctl25 / 27