EXHIBIT 32.1

CERTIFICATION OF PERIODIC REPORT

The undersigned Chairman of the Board, Chief Executive Officer and President and Executive Vice President, International Operations, Chief Financial Officer and Treasurer of AMC Entertainment Holdings, Inc. (the “Company”), each hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1) the Quarterly Report on Form 10-Q of the Company for the quarter ended June 30, 2024 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: August 2, 2024

/s/ Adam M. Aron

Adam M. Aron

Chairman of the Board, Chief Executive Officer and President

/s/ Sean D. Goodman

Sean D. Goodman

Executive Vice President, International Operations, Chief Financial Officer and Treasurer