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EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. 1350

In connection with the Form 10-Q (the “Report”) of Ferro Corporation (the “Company”) for the period ending September 30, 2021, I, Peter T. Thomas, Chairman, President and Chief Executive Officer of the Company, certify that:

(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/ Peter T. Thomas
			Peter T. Thomas
			Chairman, President and Chief Executive Officer (Principal Executive Officer)
Date: November 3, 2021