FIVE STAR BANCORP

The Company has adopted a Code of Conduct that applies to all of its directors, officers, and employees, including its principal executive officer, principal financial officer, and principal accounting officer and persons performing similar functions. The Code of Conduct is available upon written request to the Corporate Secretary, Five Star Bancorp, 3100 Zinfandel Drive, Suite 100, Rancho Cordova, CA 95670 and on the Company’s website at https://investors.fivestarbank.com/corporate-governance/governance-overview. Any waiver or modification of the Code of Conduct for a senior financial officer will be promptly disclosed to shareholders as required by applicable law, including the rules of Nasdaq.

Compensation Committee Interlocks and Insider Participation

During the year ended December 31, 2025, each of Donna L. Lucas, Robert T. Perry-Smith, Kevin F. Ramos, and Judson T. Riggs served as a member of the Compensation Committee. No member of our Compensation Committee is, or formerly was, an officer of the Company. During 2025, none of our executive officers served on the Compensation Committee (or equivalent) or board of directors of another entity whose executive officer or officers served on our Compensation Committee or board of directors.