Exhibit 32.1
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of Amalgamated Financial Corp. (the “Company”) on Form 10-K for the year ended December 31, 2025 as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officers each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 that, to his knowledge:
1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Priscilla Sims Brown |
Priscilla Brown |
President and Chief Executive Officer |
March 5, 2026 |
/s/ Jason Darby |
Jason Darby |
Chief Financial Officer |
March 5, 2026 |