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

 3/18/20  Aleris Corp.                      10-K       12/31/19  135:24M                                                             
  3/8/19  Aleris Corp.                      10-K       12/31/18  128:23M                                                             
 3/20/18  Aleris Corp.                      10-K       12/31/17  124:24M                                                             
  3/3/17  Aleris Corp.                      10-K       12/31/16  135:29M                                                             
  3/9/16  Aleris Corp.                      10-K       12/31/15  131:26M                                                             
 11/3/15  Aleris Corp.                      10-K/A     12/31/14    4:3.2M                                                            
 3/27/15  Aleris Corp.                      10-K       12/31/14  133:37M                                                             
 3/14/14  Aleris Corp.                      10-K       12/31/13  127:35M                                                             
  3/5/13  Aleris Corp.                      10-K       12/31/12  130:40M                                                             

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¹	Filing/Form Type:  -K
	10-K	Annual Report — Form 10-K.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.