Juan Esterripa - 18 Feb 2025 Form 4 Insider Report for Amerant Bancorp Inc. (AMTB)

Footnote F1

Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

Footnote F2

Includes 690.16 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on November 29, 2024.

Footnote F3

Reflects the shares of Class A Common Stock that were surrendered in order to satisfy the reporting person's tax withholding obligation upon the vesting of RSUs.

Footnote F4

On February 16, 2024, Mr. Esterripa was awarded 8,920 RSUs, each representing the right to receive, following vesting, one share of Class A Common Stock. The award vests in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Mr. Esterripa remains in the continuous service of the Company or a subsidiary through each such date.

Footnote F5

On February 18, 2025, Mr. Esterripa was awarded 8,887 RSUs, each representing the right to receive, following vesting, one share of Class A Common Stock. The award vests in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Mr. Esterripa remains in the continuous service of the Company or a subsidiary through each such date.

Footnote F6

Each performance-based restricted stock unit ("PSU") is the economic equivalent of one share of Class A Common Stock.

Footnote F7

PSUs awarded to Mr. Esterripa, each representing the right to receive, following vesting, one share of Class A Common Stock. The actual number of PSUs earned shall be based on the achievement of the Relative Adjusted Return on Average Total Common Equity at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee (the "Committee") futher modified by the achievement of specified Threshold, Target or Maximum levels set by the Committee of Relative Total Shareholder Return for a 3-year period beginning January 1, 2025 and ending on December 31, 2027, and in general can range from 40% to 180% of the PSUs. The number reported reflects the target number of PSUs Mr. Esterripa may earn.

Footnote F8

On February 18, 2025 Mr. Esterripa was awarded 11.535 RSUs as a one-time special recognition and retention award, each RSU represents the right to receive, following vesting, one share of Class A Common Stock. Twenty percent (20%) of the RSUs will vest on each of the first two anniversaries of the date of grant and the remaining sixty percent (60%) will vest on the third anniversary of the date of grant, provided that Mr. Esterripa remains in the continuous service of the Company or a subsidiary through each such date.

Footnote F9

Balance includes 13,571 unvested Restricted Stock Units awarded to Mr. Esterripa on April 17, 2023.