As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

  3/4/24  Sotera Health Co.                 8-K:1,2,8,9  3/1/24   13:2.3M                                   Donnelley … Solutions/FA 
 2/27/24  Sotera Health Co.                 S-3ASR      2/27/24    4:389K                                   Donnelley … Solutions/FA 
 3/15/21  Sotera Health Co.                 S-1                    4:1.5M                                   Donnelley … Solutions/FA 
11/13/20  Sotera Health Co.                 S-1/A                  3:359K                                   Donnelley … Solutions/FA 
11/12/20  Sotera Health Co.                 CORRESP¶   12/21/20    1:154K                                   Donnelley … Solutions/FA 
11/10/20  Sotera Health Co.                 CORRESP¶   12/21/20    1:117K                                   Donnelley … Solutions/FA 
 11/5/20  Sotera Health Co.                 CORRESP¶   12/21/20    1:105K                                   Donnelley … Solutions/FA 
 11/4/20‡ Sotera Health Co.                 CORRESP¶   12/21/20    1:886K                                   Donnelley … Solutions/FA 
10/23/20  Sotera Health Co.                 CORRESP¶   12/21/20    1:67K                                    Donnelley … Solutions/FA 
 10/8/20‡ Sotera Health Co.                 DRSLTR¶    12/21/20    1:88K                                    Donnelley … Solutions/FA 

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	CORRESP	Comment-Response or Other Letter to the SEC.
	DRSLTR	Comment-Response or Draft-Registration-Statement Letter to the SEC.
	S-1	Registration Statement (General Form) — Form S-1.
	S-3ASR	Automatic Shelf Registration Statement by a Well-Known Issuer — Form S-3.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
	¶	This Filing contains a delayed-release Document.