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. following the Business Combination, other than certain historical information which refers to the business of Mirion Technologies (TopCo), Ltd. (“Mirion TopCo”) prior to the consummation of the business combination (the “Business Combination”) of GS Acquisition Holdings Corp II (“GSAH”) with Mirion TopCo on October 20, 2021, pursuant to that certain Business Combination Agreement, dated June 17, 2021 (as amended, the “Business Combination Agreement”), by and among GSAH, Mirion and the other parties thereto. In addition, as a result of the Business Combination, our financial statement presentation distinguishes Mirion TopCo as the “Predecessor” for periods prior to the closing of the Business Combination. Mirion, which includes consolidation of Mirion’s subsidiaries, is the “Successor” for periods after the closing of the Business Combination.

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. following the closing of the Business Combination;

“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;

“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;

“Fiscal 2021” are to the twelve months ended June 30, 2021;

“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);

“GSAH” are to GS Acquisition Holdings Corp II, prior to the consummation of the Business Combination;

“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;

“Mirion TopCo” are to Mirion Technologies (TopCo), Ltd;

"Predecessor Period" refers to all reported financial periods prior to the Business Combination Closing Date on October 20, 2021;

“Predecessor Stub Period” means the transition period preceding the Business Combination from July 1, 2021 through October 19, 2021;

“Private placement warrants” are to the Private Placement Warrants (as defined under Note 16, 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 16, 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;

"Successor Period" refers to the period from the Closing Date, October 20, 2021, and ended on December 31, 2022; and

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