First Business Financial Services Posts Investor Presentation

What Happened

• On August 20, 2026, First Business Financial Services, Inc. posted an investor presentation to its website (www.firstbusiness.bank) under the “Investor Relations” tab.
• The presentation provides an overview of the company’s recent operating performance, financial condition, and business strategy and will be used by executives in meetings with shareholders, analysts and other third parties.
• The slides are attached to the Form 8-K as Exhibit 99.1 and the disclosure was furnished under Regulation FD. The report was signed by CFO Brian D. Spielmann.

Key Details

• Date posted: August 20, 2026.
• Location: www.firstbusiness.bank → Investor Relations.
• Content: slides covering operating performance, financial condition and business strategy.
• Filing: Exhibit 99.1 (slides) furnished with the Form 8-K; signed by CFO Brian D. Spielmann.

Why It Matters

• This Regulation FD disclosure means the company is broadly sharing management’s latest presentation materials with all investors and market participants.
• The presentation may contain updated metrics or guidance used in investor meetings; investors should review Exhibit 99.1 on the company’s IR site for details on earnings, revenue trends or strategy.
• This 8-K is a disclosure of presentation materials (Item 7.01) — it is not an earnings release, an executive change, or a merger announcement.