Exhibit 32.2
Certification of Principal Financial Officer 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 on Form 10-K of Mirion Technologies, Inc. (the “Company”), for the year ended December 31, 2025, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, Brian Schopfer, Chief Financial Officer of the Company, certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my 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.
Date: February 19, 2026

By: | /s/ Brian Schopfer
Name: | Brian Schopfer
Title: | Chief Financial Officer
| (Principal Financial Officer)