SOTERA DEADLINE ALERT

Bragar Eagel & Squire, P.C. Reminds Investors that a Class Action Lawsuit Has Been Filed Against Sotera Health Co. and Encourages Investors to Contact the Firm

Bragar Eagel & Squire, P.C., a nationally recognized stockholder rights law firm, reminds investors that a class action lawsuit has been filed against Sotera Health Co. (“Sotera” or the “Company”) (NASDAQ: SHC) in the United States District Court for the Northern District of Ohio on behalf of all persons and entities who purchased or otherwise acquired Sotera securities pursuant to the November 20, 2020 IPO; pursuant to the March 18, 2021 SPO; and/or between November 20, 2020 and September 19, 2022 both dates inclusive (the “Class Period”). Investors have until March 27, 2023 to apply to the Court to be appointed as lead plaintiff in the lawsuit.

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Sotera provides sterilization and lab testing and advisory services to the medical device and pharmaceutical industries. The Company operates through three businesses: Sterigenics, Nordion, and Nelson Labs. Through its Sterigenics brand, which accounts for the majority of Sotera’s annual revenues, Sotera provides outsourced terminal sterilization services for the medical device and pharmaceutical markets. Terminal sterilization is the process of sterilizing a product in its final packaging.

The Company’s sterilization services rely on three primary technologies, one of which is Ethylene Oxide (“EtO”) processing. EtO processing is a gas sterilization process in which pallets of packaged goods are loaded into a chamber that is then injected with EtO gas to penetrate the packaging. That process emits toxic fumes which must be filtered before being released into the air. Sotera, through its Sterigenics business, conducts or has conducted EtO processing at facilities located in Illinois, California, Georgia, and New Mexico.

In August 2006, the U.S. Environmental Protection Agency (the “EPA”) published an assessment concluding that EtO was significantly more likely to cause cancer than previously known.

In December 2016, the EPA reclassified EtO as a chemical known to be carcinogenic to humans and increased its estimate of EtO’s cancer potency by a multiple of thirty. The EPA has concluded that EtO exposure affects the most vulnerable members of the population, including children, stating that “for a single year of exposure to EtO, the cancer risk is greater for children than for adults . . . because EtO can damage DNA.”