Orion Engineered Carbons (OEC) 10-K 2022 FY Annual report

Exhibit 32.2

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 Orion Engineered Carbons S.A. in Form 10-K for the annual period ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jeffrey Glajch, Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 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.

Date: February 23, 2023                        /s/ Jeffrey Glajch

Chief Financial Officer