Mirion Technologies, Inc.

TABLE OF CONTENTS

CERTAIN DEFINED TERMS

Unless the context otherwise requires, all references in this Annual Report on Form 10-K to “Mirion,” the “Company,” “we,” “us” or “our” refer to Mirion Technologies, Inc.

Unless otherwise stated in this Annual Report on Form 10-K or the context otherwise requires, references to:

“ASC” are to the Accounting Standards Codification;

“Board” and “Board of Directors” are to the board of directors of Mirion Technologies, Inc.

“Bylaws” are to the bylaws of Mirion Technologies, Inc. in effect as of the date of this Annual Report on Form 10-K;

“Charter” are to the certificate of incorporation of Mirion Technologies, Inc. in effect as of the date of this Annual Report on Form 10-K;

“Class A common stock” are to shares of Mirion’s common stock, par value $0.0001 per share;

“Class B common stock” are to shares of Mirion’s common stock, par value $0.0001 per share;

“Closing Date” are to GS Acquisition Holdings Corp II or “GSAH” renamed to Mirion Technologies.

“Common stock” are to the Class A common stock and Class B common stock;

“DGCL” are to the General Corporation Law of the State of Delaware;

“Exchange Act” are to the Securities Exchange Act of 1934, as amended;

“Founder shares” are to the Founder Shares (as defined under Note 15, Related Party Transactions, in the notes to the financial statements included in this Annual Report on Form 10-K);

“IntermediateCo” are to Mirion IntermediateCo, Inc., a Delaware corporation direct subsidiary of Mirion;

“IntermediateCo Class A common stock” are to the shares of Class A common stock of IntermediateCo, par value $0.0001 per share;

“IntermediateCo Class B common stock” are to the shares of Class B common stock of IntermediateCo, par value $0.0001 per share;

“Private placement warrants” are to the Private Placement Warrants (as defined under Note 15, Related-Party Transactions in the notes to the financial statements included in this Annual Report on Form 10-K);

“Public warrants” are to the Public Warrants (as defined under Note 15, Related-Party Transactions, in the notes to the financial statements included in this Annual Report on Form 10-K);

“Sarbanes-Oxley Act” are to the Sarbanes-Oxley Act of 2002;

“Securities Act” are to the Securities Act of 1933, as amended;

“Sponsor” are to GS Sponsor II LLC, a Delaware limited liability company;

“Sponsor Agreement” are to the Second Amended and Restated Sponsor Agreement, dated as of October 20, 2021, by and among us, the Sponsor and the other parties thereto; and

“Warrants” are to the public warrants and private placement warrants.