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 Quarterly Report of Amalgamated Financial Corp. (the “Company”) on Form 10-Q for the period ended December 31, 2021 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 11, 2022

/s/ Jason Darby

Jason Darby

Chief Financial Officer

March 11, 2022