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FIRST BUSINESS FINANCIAL SERVICES, INC.

For the period ended Oct 29, 2026. Filed Oct 29, 2026.

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About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Oct 29, 2026 · Filed Oct 29, 2026

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FBIZ$74.18-0.9%Stored close · as of Nov 6, 2026
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Contents

EX-99.1 · BETA ANALYSIS

BETA ANALYSIS

For the Three Months Ended
(Unaudited) · September 30, 2026 · September 30, 2025
Average Yield/Rate(3)Average Yield/Rate(3)Increase (Decrease)
Total loans and leases receivable (a)6.79%7.10%(0.31)%
Total interest-earning assets(b)6.47%6.72%(0.25)%
Total core deposits(e)2.41%2.89%(0.48)%
Total bank funding(f)2.76%3.14%(0.38)%
Net interest margin(g)3.80%3.68%0.12%
Effective fed funds rate (2)(i)3.67%4.30%(0.63)%
Beta Calculations:
Total loans and leases receivable(a)/(i)49.3%
Total interest-earning assets(b)/(i)39.2%
Total core deposits(e/i)76.2%
Total bank funding(f)/(i)60.3%

Excludes prepayment activity in all periods of comparison.

Board of Governors of the Federal Reserve System (US), Effective Federal Funds Rate [DFF]. Retrieved from FRED, Federal Reserve Bank of St. Louis. Represents average daily rate.

Represents annualized yields/rates.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.