Old Second Bancorp, Inc

oldsecond.com

What Do They Do?

Provides banking, lending, and trust and wealth-management services to individuals, businesses, and public entities.

How Do They Make Money?

revenue

Segment	Share	Revenue
Wealth management	49% FY2022: 45%
Service charges on deposits	42% FY2022: 44%
Secondary mortgage fees	1.4% FY2022: 1.5%
Mortgage servicing income	7.0% FY2022: 9.7%

Who Are Their Customers?

The bank serves retail, commercial, industrial, and public-entity customers through banking locations in Illinois, while commercial, sponsor-finance, leasing, and healthcare lending relationships extend nationwide.

Do Revenues Turn Into Profits?

Yes. It kept 23 cents of every revenue dollar as net income in FY2025 and turned 33 cents into free cash flow.

Net income, FY2025

23% of revenue

▼ −6% vs FY2024 ($85.3M, 29%)

Free cash flow, FY2025

33% of revenue

▼ −2% vs FY2024 ($120.7M, 41%)

How Are They Changing?

Since the FY2025 annual report

Latest quarter: Q2 FY2026, the three months to Jun 30, 2026

Revenue: ▲ +34%; vs $75.2M in Q2 FY2025
Net income: ▲ +29%; vs $21.8M in Q2 FY2025

Wealth management share of service charges on deposits vs 46.2% in Q2 FY2025

Growing. Revenue grew 3.4x in 4 years, from $105.2M in FY2021 to $355.2M in FY2025, about 36% a year.

Nationwide retail lending The latest report adds nationwide retail lending focused on powersport, collector cars, and manufactured homes through Bancorp Financial; the older report described consumer lending generally.

Revenue over time

Wealth management Service charges on deposits Secondary mortgage fees Mortgage servicing income

$50M$25M$0

FY2021 FY2022 FY2023 FY2024 FY2025

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