Petras Michael B. Jr. [Rocket]

Date	Name	Type	Security	Shares	Price	Value	Ownership	Reported
03/06/2023	Sotera Health Co	Grant	Common Stock, $0.01 par value per share ("Common Stock")	213.2k	$0.00	$0		03/06/2023
03/06/2023	Sotera Health Co	Grant	Stock Options	404.1k	$17.59	$7.1M		03/06/2023
03/02/2023	Sotera Health Co	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	Sotera Health Co	Payment of Exercise	Common Stock, $0.01 par value per share ("Common Stock")	29.3k	$6.02	$176.1k		11/20/2022
11/07/2022	Sotera Health Co	Grant	Stock Options	2.1M	$6.37	$13.4M		11/07/2022
03/02/2022	Sotera Health Co	Grant	Common Stock, $0.01 par value per share ("Common Stock")	187.2k	$0.00	$0		03/02/2022
03/02/2022	Sotera Health Co	Grant	Stock Options	478.9k	$20.03	$9.6M		03/02/2022
11/20/2021	Sotera Health Co	Payment of Exercise	Common Stock, $0.01 par value per share ("Common Stock")	27.5k	$22.54	$620.2k		11/20/2021
03/22/2021	Sotera Health Co	Sale	Common Stock, $0.01 par value per share ("Common Stock")	817.4k	$26.12	$21.4M	By Grantor Trust	03/22/2021
11/24/2020	Sotera Health Co	Disposition	Common Stock	437.8k	$21.68	$9.5M	By Grantor Retained Annuity Trust	11/20/2020
11/24/2020	Sotera Health Co	Disposition	Common Stock	946.1k	$21.68	$20.5M	By Grantor Trust	11/20/2020
11/20/2020	Sotera Health Co	Grant	Stock Options	1.1M	$23.00	$25.7M		11/20/2020
11/20/2020	Sotera Health Co	Grant	Common Stock, $0.01 par value per share ("Common Stock")	260.9k	$0.00	$0		11/20/2020