Mirion Technologies, Inc.

This Proxy Summary highlights information contained elsewhere in this proxy statement and does not contain all of the information that you should consider. Please read the entire proxy statement carefully before voting.

We are providing you with these proxy materials because the Board of Directors of Mirion Technologies, Inc. (the “Board”) is soliciting your proxy to vote at Mirion’s 2026 Annual Meeting of Stockholders (the “Annual Meeting”), including at any adjournments or postponements thereof, to be held via a live webcast on Wednesday, May 13, 2026 at 10:00 a.m. Eastern Time. The Annual Meeting can be accessed by visiting www.virtualshareholdermeeting.com/MIR2026 where you will be able to listen to the meeting live, submit questions and vote online.

You are invited to attend the Annual Meeting to vote on the proposals described in this Proxy Statement. However, you do not need to attend the Annual Meeting to vote your shares. Instead, you may simply follow the instructions below to submit your proxy. The proxy materials, including this Proxy Statement and our Annual Report on Form 10-K for the year ended December 31, 2025 (the "Annual Report"), are first being distributed and made available on or about April 1, 2026.

Unless the context otherwise requires, all references to “Mirion,” the “Company,” “we,” “us,” or “our” refer to Mirion Technologies, Inc.

Information contained on, or that can be accessed through, our website is not intended to be incorporated by reference into this proxy statement and references to our website address in this proxy statement are inactive textual references only.

To assist you in reviewing the proposals to be acted upon at the Annual Meeting, we call your attention to the following information. The following description is only a summary.

Meeting Details