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

 6/23/21  Celanese Corp.                    11-K       12/31/20    2:190K                                                            
 5/28/21  Celanese Corp.                    SD         12/31/20    1:56K                                                             
 2/11/21  Celanese Corp.                    10-K       12/31/20  180:21M                                                             
  2/5/21  Fotheringham John G               5          Officer²    1:4K   Celanese Corp.                    Celanese Corp.           

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¹	Filing/Form Types:
	5	Annual Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 5 { The Filer is an Insider² of the Issuer }.
	10-K	Annual Report — Form 10-K.
	11-K	Annual Report by an Employee Stock Purchase, Savings or Similar Plan — Form 11-K.
	SD	Specialized Disclosure Report re: the Use of Conflict Minerals — Form SD.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.