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

  5/7/24  ONE Gas, Inc.                     10-Q        3/31/24   62:6.7M                                                            
  5/6/24  ONE Gas, Inc.                     8-K:2,7,8,9  5/6/24   12:498K                                                            
  5/1/24  ONE Gas, Inc.                     DEFA14A                1:42K                                    Donnelley … Solutions/FA 
 4/15/24  ONE Gas, Inc.                     8-K:7,9     4/15/24   12:199K                                                            
  4/9/24  ONE Gas, Inc.                     8-K:7,9      4/9/24   12:201K                                                            
  4/3/24  ONE Gas, Inc.                     ARS        12/31/23    1:3.4M                                   Donnelley … Solutions/FA 
  4/3/24  ONE Gas, Inc.                     DEF 14A     5/23/24   11:12M                                    Donnelley … Solutions/FA 
  3/1/24  ONE Gas, Inc.                     8-K:7        3/1/24   12:201K                                                            
  3/1/24  ONE Gas, Inc.                     8-K:7,8,9    3/1/24   12:211K                                                            
 2/23/24  ONE Gas, Inc.                     8-K:8,9     2/23/24   12:201K                                                            
 2/22/24  ONE Gas, Inc.                     10-K       12/31/23   78:21M                                                             
 2/21/24  Dinan Curtis                      4          Officer²    1:18K  ONE Gas, Inc.                     Donnelley … Solutions/FA 
 2/21/24  Shortridge William Kent           4          Officer²    1:13K  ONE Gas, Inc.                     Donnelley … Solutions/FA 
 2/21/24  Sighinolfi Christopher P.         4          Officer²    1:13K  ONE Gas, Inc.                     Donnelley … Solutions/FA 
 2/21/24  Bender Mark A.                    4          Officer²    1:13K  ONE Gas, Inc.                     Donnelley … Solutions/FA 
 2/21/24  ONE Gas, Inc.                     8-K:2,7,9   2/21/24   12:554K                                                            
 2/21/24  McAnnally Robert S.               4          Dir.,Off.²  1:17K  ONE Gas, Inc.                     Donnelley … Solutions/FA 
 2/21/24  Brumfield Brian F.                4          Officer²    1:7K   ONE Gas, Inc.                     Donnelley … Solutions/FA 
 2/21/24  Lawhorn Caron A                   4          Officer²    1:5K   ONE Gas, Inc.                     Donnelley … Solutions/FA 
 2/21/24  McCormick Joseph L                4          Officer²    1:13K  ONE Gas, Inc.                     Donnelley … Solutions/FA 

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¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	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 }.
	10-K	Annual Report — Form 10-K.
	10-Q	Quarterly Report — Form 10-Q.
	ARS	Annual Report to Security Holders.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.