Exhibit 99.1 News Release Mirion Announces First Quarter 2024 Financial Results and Reaffirms Full Year Guidance • Revenues for the first quarter increased 5.8% to $192.6 million, compared to $182.1 million in the same period in 2023. • Net loss was $26.5 million in the first quarter, compared to a net loss of $42.9 million in the same period last year. Adjusted EBITDA was $39.5 million, a 7.9% increase from $36.6 million in the same period last year. • Income from operations margin was (2.5)% in the first ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File Number: 001-39352 Mirion Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 83-0974 ...

Mirion Technologies, Inc. (NYSE:MIR) Q4 2023 Earnings Conference Call February 14, 2024 10:00 AM ET Company Participants Alex Gaddy - Senior Vice President of Strategy, Investor Relations and Treasurer Thomas Logan - Chief Executive Officer Brian Schopfer - Chief Financial Officer Conference Call Participants Joe Ritchie - Goldman Sachs Asset Management Chris Moore - CJS Securities Vlad Bystricky - Citigroup Yuan Zhi - B. Riley Securities Operator Greetings and welcome to Mirion Technologies Fourth Quarter ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File Number: 001-39352 Mirion Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 83-0974996 (Stat ...

Mirion Technologies, Inc. (NYSE:MIR) Q3 2023 Results Conference Call November 2, 2023 12:00 PM ET Company Participants Alex Gaddy - SVP, Strategy Larry Kingsley - Chairman Tom Logan - CEO Brian Schopfer - CFO Conference Call Participants Joe Ritchie - Goldman Sachs Andy Kaplowitz - Citi Group Chris Moore - CJS Securities Operator Greetings, and welcome to the Mirion Third Quarter 2023 Earnings Conference Call. [Operator Instructions]. As a reminder, this conference is being recorded. It is now my pleasure ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission File Number: 001-39352 Mirion Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 83-0974996 (State or ...

Mirion Technologies, Inc. (NYSE:MIR) Q2 2023 Earnings Conference Call August 2, 2023 12:00 PM ET Company Participants Alex Gaddy - VP, IR Lawrence Kingsley - Chairman Thomas Logan - Founder, CEO & Director Brian Schopfer - CFO Conference Call Participants Joseph Ritchie - Goldman Sachs Group Christopher Moore - CJS Securities Operator Greetings, and welcome to the Mirion Technologies Second Quarter 2023 Earnings Conference Call. [Operator Instructions]. As a reminder, this conference is being recorded. It i ...

May 9, 2023 Goldman Sachs Industrials & Materials Conference GOLDMAN SACHS INDUSTRIALS & MATERIALS CONFERENCE Disclaimer Forward-Looking Statements This presentation and the accompanying oral commentary contain forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended. Words such as “anticipate,” “believe,” “continue,” “could,” “estimate”, “expect”, “hope”, “intend”, “may”, “might”, “should”, “would”, “will”, “understand” and similarwords are intended to ...

Mirion Technologies, Inc. (NYSE:MIR) Q1 2023 Earnings Conference Call May 3, 2023 12:00 PM ET Company Participants Alex Gaddy - Vice President, Finance Larry Kingsley - Chairman Tom Logan - Chief Executive Officer Brian Schopfer - Chief Financial Officer Conference Call Participants Chris Moore - CJS Securities Andy Kaplowitz - Citigroup Joe Ritchie - Goldman Sachs Operator Greetings and welcome to the Mirion First Quarter 2023 Earnings Call. [Operator Instructions] As a reminder, this conference is being r ...

| --- | --- | |-----------------------|-------| | | | | | | | | | | May 3, 2023 | | | First Quarter 2023 | | | Earnings Presentation | | | | | | | | | | | Q1 2023 EARNINGS PRESENTATION Disclaimer Forward-Looking Statements This presentation and the accompanying oral commentary contain forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended. Words such as "anticipate," "believe," "continue," "could," "estimate", "expect", "hope", "intend", "may", "might ...