| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/07/2023 | Lyons Jonathan M. | Sr. Vice President, CFO | Grant | Common Stock, $0.01 par value per share (Common Stock) | 77k | $0.00 | $0 | | 08/07/2023 |
| 08/07/2023 | Lyons Jonathan M. | Sr. Vice President, CFO | Grant | Stock Options | 33.6k | $16.89 | $568.2k | | 08/07/2023 |
| 05/26/2023 | Chen Ruoxi | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | Knauss Robert Brown | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | MIHAS CONSTANTINE S | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | CUNNINGHAM SEAN LAURENCE | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | Donnini David | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | Klee Ann R. | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | Neary James | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | PETRELLA VINCENT K | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 05/26/2023 | Wheadon David E. | Director | Grant | Common Stock, $0.01 par value per share (Common Stock) | 15.7k | $0.00 | $0 | | 05/26/2023 |
| 03/06/2023 | Petras Michael B. Jr. | Chairman & CEO | Grant | Stock Options | 404.1k | $17.59 | $7.1M | | 03/06/2023 |
| 03/06/2023 | Petras Michael B. Jr. | Chairman & CEO | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 213.2k | $0.00 | $0 | | 03/06/2023 |
| 03/06/2023 | Rutz Michael P | President of Sterigenics | Grant | Stock Options | 53.9k | $17.59 | $947.7k | | 03/06/2023 |
| 03/06/2023 | Rutz Michael P | President of Sterigenics | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 28.4k | $0.00 | $0 | | 03/06/2023 |
| 03/02/2023 | Rutz Michael P | President of Sterigenics | Payment of Exercise | Common Stock, $0.01 par value per share ("Common Stock") | 2.9k | $17.41 | $51.3k | | 03/02/2023 |
| 03/02/2023 | Petras Michael B. Jr. | Chairman & CEO | Payment of Exercise | Common Stock, $0.01 par value per share ("Common Stock") | 19.8k | $17.41 | $345.4k | | 03/02/2023 |
| 11/20/2022 | Petras Michael B. Jr. | Chairman & CEO | Payment of Exercise | Common Stock, $0.01 par value per share ("Common Stock") | 29.3k | $6.02 | $176.1k | | 11/20/2022 |
| 11/20/2022 | Rutz Michael P | President of Sterigenics | Payment of Exercise | Common Stock, $0.01 par value per share ("Common Stock") | 1.9k | $6.02 | $11.5k | | 11/20/2022 |
| 11/07/2022 | Petras Michael B. Jr. | Chairman & CEO | Grant | Stock Options | 2.1M | $6.37 | $13.4M | | 11/07/2022 |
| 11/07/2022 | DIMITRIEF ALEXANDER | SVP, General Counsel and Sec. | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 235.5k | $0.00 | $0 | | 11/07/2022 |
| 11/07/2022 | DIMITRIEF ALEXANDER | SVP, General Counsel and Sec. | Grant | Stock Options | 602.4k | $6.37 | $3.8M | | 11/07/2022 |
| 05/27/2022 | Donnini David | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | CUNNINGHAM SEAN LAURENCE | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | Klee Ann R. | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | MIHAS CONSTANTINE S | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | Neary James | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | PETRELLA VINCENT K | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | GEVEDA STEPHANIE | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | Chen Ruoxi | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 05/27/2022 | Wheadon David E. | Director | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 10.6k | $0.00 | $0 | | 05/27/2022 |
| 03/02/2022 | Hammons Terry | SVP, GC and Secretary | Grant | Stock Options | 57.5k | $20.03 | $1.2M | | 03/02/2022 |
| 03/02/2022 | Rutz Michael P | President of Sterigenics | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 25k | $0.00 | $0 | | 03/02/2022 |
| 03/02/2022 | Rutz Michael P | President of Sterigenics | Grant | Stock Options | 63.9k | $20.03 | $1.3M | | 03/02/2022 |
| 03/02/2022 | Hammons Terry | SVP, GC and Secretary | Grant | Common Stock, $0.01 par value per share ("Common Stock") | 22.5k | $0.00 | $0 | | 03/02/2022 |
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