144 0001933821 XXXXXXXX LIVE 0001734342 Amerant Bancorp Inc. 001-38534 220 ALHAMBRA CIRCLE CORAL GABLES FL 33134 (305)460-4038 Levine Howard A. Officer SEVP, Chief Consumer Banking Officer Common Stock Citigroup Global Markets, Inc.

390 Greenwich Street New York NY 10013

2856 65666.76 42108446 01/31/2025 NYSE Common Stock Citigroup Global Markets, Inc.

390 Greenwich Street New York NY 10013

772 17913.52 42108446 01/31/2025 NYSE Common Stock 01/31/2025 Restricted Stock Vesting Amerant Bancorp, Inc N 2856 01/31/2025 Services Rendered Common Stock 01/31/2025 Employee Stock Purchase Amerant Bancorp, Inc. N 772 01/31/2025 Cash Y Under securities to be sold, the 2,858 from restricted stock vesting were acquired in Feb. & June 2024. The 772 from employee stock purchase were acquired in May, 2023 01/31/2025 Conformed Signature on File