Exhibit 99.1

Banc of California Announces Quarterly Dividends

SANTA ANA, Calif., (November 17, 2017) – Banc of California, Inc. (NYSE: BANC), today announced that its Board of Directors has declared a quarterly cash dividend of $0.13 per share on its outstanding common stock. The dividend will be payable on January 2, 2018 to stockholders of record as of December 15, 2017. Based on the trading price of $20.55 as of close of market on November 16, 2017, the cash dividend results in an annualized dividend yield of 2.53%.

Banc of California maintains a Dividend Reinvestment Plan (DRIP) which allows stockholders to automatically acquire shares at a 3% discount from the applicable market price. All registered stockholders with holdings maintained at the Company’s transfer agent, Computershare, are eligible to participate in the DRIP program. For more information on the Company’s DRIP program, please contact Investor Relations through IR@bancofcal.com or at (855) 361-2262.

The Board of Directors also declared a quarterly dividend of $0.50 per depository share on the Company’s 8.00% Series C Non-Cumulative Perpetual Preferred Stock. The dividend will be payable on December 15, 2017 to holders of record as of December 1, 2017. The Series C depositary shares are traded on the New York Stock Exchange under the “BANC PRC” symbol.

The Board of Directors also declared a quarterly dividend of $0.460938 per depository share on the Company’s 7.375% Series D Non-Cumulative Perpetual Preferred Stock. The dividend will be payable on December 15, 2017 to holders of record as of December 1, 2017. The Series D depositary shares are traded on the New York Stock Exchange under the “BANC PRD” symbol.

The Board of Directors also declared a quarterly dividend of $0.4375 per depository share on the Company’s 7.00% Series E Non-Cumulative Perpetual Preferred Stock. The dividend will be payable on December 15, 2017 to holders of record as of December 1, 2017. The Series E depositary shares are traded on the New York Stock Exchange under the “BANC PRE” symbol.

About Banc of California, Inc.

Banc of California, Inc. (NYSE: BANC) provides comprehensive banking services to California’s diverse businesses, entrepreneurs and communities. Banc of California operates 34 offices in California. The Company has been recognized by Forbes for the second straight year as one of the 100 Best Banks in America for 2017.

Forward-Looking Statements

This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995. These statements are necessarily subject to risk and uncertainty and actual results could differ materially from those anticipated due to various factors, including those set forth from time to time in the documents filed or furnished by Banc of California, Inc. with the Securities and Exchange Commission. You should not place undue reliance on forward-looking statements and Banc of California, Inc. undertakes no obligation to update any such statements to reflect circumstances or events that occur after the date on which the forward-looking statement is made.

3 MacArthur Place ● Santa Ana, CA 92707 ● (949) 236-5250 ● www.bancofcal.com