FSBC Five Star Bancorp

Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), expects to report its financial results for the quarter ended March 31, 2024, after the stock market closes on Monday, April 29, 2024.

Management will host a live webcast for analysts and investors to review this information at 1:00 PM ET (10:00 AM PT) on April 30, 2024.

The live webcast will be accessible from the “News & Events” section of the Company’s website under “Events” at https://investors.fivestarbank.com/news-events/events. Please pre-register for the event using this link. The webcast will be archived on the Company’s website for a period of 90 days.

About Five Star Bancorp

Five Star is a bank holding company headquartered in Rancho Cordova, California. Five Star operates through its wholly owned banking subsidiary, Five Star Bank. The Bank has seven branches in Northern California. For more information, visit https://www.fivestarbank.com.

Investor Contact:Heather C. Luck, Chief Financial OfficerFive Star Bancorp(916) 626-5008

hluck@fivestarbank.com

Media Contact:Shelley R. Wetton, Chief Marketing OfficerFive Star Bancorp(916) 284-7827swetton@fivestarbank.com