EX-99.1

Exhibit 99.1

Amerant Bancorp Inc. Announces Launch of Class A Voting Common Stock Offering

September 25, 2024

CORAL GABLES, Fla.—(BUSINESS WIRE)— Amerant Bancorp Inc. (NYSE: AMTB) (“Amerant” or the “Company”) today announced that it commenced an underwritten public offering of shares of its Class A voting common stock. The Company expects to grant the underwriters a 30-day option to purchase additional shares of its Class A voting common stock.

Stephens Inc. and Piper Sandler & Co. are acting as joint book-running managers for the offering.

The Company intends to use the net proceeds of the offering for general corporate purposes and to support its continued organic growth, which may include, among other things, working capital, investments in Amerant Bank, N.A., resolution of non-performing loans, and potential balance sheet optimization strategies.

The offering is being made only by means of a prospectus supplement and accompanying base prospectus. The Company has filed a registration statement on Form S-3 (File No. 333-272886), and a preliminary prospectus supplement to the base prospectus contained in the registration statement with the U.S. Securities and Exchange Commission (the “SEC”) for the shares of Class A voting common stock to which this communication relates and intends to file a final prospectus supplement relating to the shares of Class A voting common stock. Prospective investors should read the preliminary prospectus supplement and accompanying base prospectus in the registration statement and other documents the Company has filed or will file with the SEC for more complete information about the Company and the offering. You may obtain these documents for free by visiting the SEC’s website at www.sec.gov. Alternatively, you may request copies of the base prospectus and preliminary prospectus supplement by contacting Stephens Inc. by telephone at (800) 643-9691 or by email at prospectus@stephens.com, and by contacting Piper Sandler & Co. by telephone at (800) 747-3924 or by email at prospectus@psc.com.

This press release is for informational purposes only and does not constitute an offer to sell or a solicitation of an offer to buy the securities, nor shall there be any sale of the securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. The securities being offered have not been approved or disapproved by any regulatory authority, nor has any such authority passed upon the accuracy or adequacy of the prospectus supplement or the shelf registration statement or prospectus relating thereto.

About Amerant Bancorp Inc.

Amerant Bancorp Inc. is a bank holding company headquartered in Coral Gables, Florida since 1979. The Company operates through its main subsidiary, Amerant Bank, N.A. (the “Bank”), as well as its other subsidiaries: Amerant Investments, Inc., Elant Bank and Trust Ltd., and Amerant Mortgage, LLC. The Company provides individuals and businesses in the U.S. with deposit, credit and wealth management services. The Bank, which has operated for over 40 years, is the largest community bank headquartered in Florida. The Bank operates 25 banking centers – 18 in South Florida, 1 in Tampa, FL and 6 in the Houston, Texas area. For more information, visit investor.amerantbank.com.

Cautionary Notice Regarding Forward-Looking Statements

This press release contains “forward-looking statements” including statements with respect to the Company’s objectives, expectations and intentions and other statements that are not historical facts. All statements other than statements of historical fact are statements that could be forward-looking statements. Forward-looking statements include statements relating to the potential securities offering, which is opportunistic and subject to market conditions, and the use of proceeds from the offering, including any potential balance sheet optimization strategies and resolution of non-performing loans. You can identify these forward-looking statements through the use of words such as “may,” “balance sheet optimization efforts,” “will,” “anticipate,” “assume,” “should,” “indicate,” “would,” “believe,” “contemplate,” “expect,” “estimate,” “continue,” “point to,” “project,” “could,” “intend,” “anticipate,” and other similar words and expressions of the future.