144 0001569147 XXXXXXXX LIVE 0001169770 BANC OF CALIFORNIA, INC. 001-35522 11611 San Vicente Boulevard, Suite 500 Los Angeles CA 90049 855.361.2262 PL Capital Advisors, LLC Former Director Common Stock Keefe, Bruyette & Woods, Inc.

787 7th Avenue New York NY 10019

1750000 34475000 153724787 06/11/2026 NYSE Common Stock 04/23/2014 Open Market NA N 1750000 12/31/2016 Cash Y Under "Securities Information," the name and the address of additional brokers that may be used are as follows: Stifel, Nicolaus & Company, Incorporated, 501 North Broadway, St. Louis, MO 63102; RBC Capital Markets, LLC, 200 Vesey Street, NY, NY 10281; and BTIG, LLC, 65 East 55th Street, NY, NY 10022. Under "Securities Information," the number of shares to be sold includes 1,000,000 shares of common stock to possibly be sold via listed call option transactions. Under "Securities To Be Sold," the date of acquisition and the date of payment are various dates between April 23, 2014 and March 14, 2024. 06/11/2026 Richard J. Lashley