RBB Bancorp (RBB) investor relations material

Executive summary

• The annual meeting is scheduled for May 21, 2026, with options for in-person, telephonic, or webcast participation.

• Shareholders will vote on electing nine directors, a non-binding advisory vote on executive compensation, and ratification of Crowe LLP as independent auditor for 2026.

• The Board unanimously recommends voting FOR all proposals and director nominees.

• Proxy materials are available online, and shareholders are encouraged to vote via internet, phone, or mail.

Voting matters and shareholder proposals

• Proposals include election of nine directors, advisory approval of executive compensation, and ratification of Crowe LLP as auditor.

• Shareholders may nominate directors by written notice by April 30, 2026.

• Shareholder proposals for the 2027 meeting must be received by December 11, 2026, for inclusion in the proxy statement.

• The Board recommends voting FOR all proposals.

Board of directors and corporate governance

• Board size reduced from eleven to nine members as of the 2026 meeting.

• Christina Kao serves as independent Chair; majority of directors are independent under Nasdaq and SEC rules.

• Board committees include Audit, Compensation/Nominating/Governance (CNG), Directors Loan, CRA, IT, Asset/Liability, and Enterprise Risk.

• Board and committee meetings are held regularly, with all directors attending at least 75% of meetings in 2025.

• Code of Ethics, Insider Trading, and Whistleblower policies are in place and available on the company website.