First US Bancshares (FUSB) investor relations material

Executive summary

• The 2026 Annual Meeting will be held virtually on April 30, 2026, with shareholders able to vote online, by phone, or by mail, and to submit questions during the meeting.

• Proxy materials are distributed primarily via internet to reduce costs and environmental impact, with paper copies available upon request.

• Shareholders as of March 6, 2026, are eligible to vote on the election of 12 directors, ratification of the external auditor, and an advisory say-on-pay vote.

Voting matters and shareholder proposals

• Shareholders will vote on: (1) election of 12 directors, (2) ratification of Carr, Riggs & Ingram, LLC as independent auditors for 2026, and (3) advisory approval of executive compensation.

• The board recommends voting FOR all director nominees and FOR Proposals 2 and 3.

• Shareholder proposals for the 2027 meeting must be submitted by November 18, 2026, for inclusion in proxy materials.

Board of directors and corporate governance

• The board consists of 12 members, with a majority deemed independent under Nasdaq rules; only the CEO is not independent.

• The Chairperson and CEO roles were combined in January 2025; a Lead Independent Director is designated.

• The board has Audit, Compensation, Nominating and Corporate Governance, and Executive Committees, all with independent members.

• Directors are selected based on independence, experience, and skills relevant to the company’s needs.

• Shareholders can recommend director nominees and communicate directly with the board.