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

  4/2/24  Sundarrajan Alagu                 4          Officer²    1:18K  Ryerson Holding Corp.             Willkie Farr & Gallagher 
 3/25/24  Sundarrajan Alagu                 4          Officer²    1:12K  Ryerson Holding Corp.             Willkie Farr & Gallagher 
12/18/23  Sundarrajan Alagu                 4          Officer²    1:8K   Ryerson Holding Corp.             Willkie Farr & Gallagher 
 12/4/23  Sundarrajan Alagu                 4          Officer²    1:4K   Ryerson Holding Corp.             Willkie Farr & Gallagher 
 9/18/23  Sundarrajan Alagu                 4          Officer²    1:8K   Ryerson Holding Corp.             Willkie Farr & Gallagher 
 6/20/23  Sundarrajan Alagu                 4          Officer²    1:8K   Ryerson Holding Corp.             Willkie Farr & Gallagher 
  4/4/23  Sundarrajan Alagu                 4          Officer²    2:23K  Ryerson Holding Corp.             Willkie Farr & Gallagher 
 3/20/23  Sundarrajan Alagu                 4          Officer²    1:8K   Ryerson Holding Corp.             Broadridge Fin’l So… Inc 
12/19/22  Sundarrajan Alagu                 4          Officer²    1:9K   Ryerson Holding Corp.             Broadridge Fin’l… Inc/FA 
 9/19/22  Sundarrajan Alagu                 4          Officer²    1:9K   Ryerson Holding Corp.             Broadridge Fin’l… Inc/FA 
 6/21/22  Sundarrajan Alagu                 4          Officer²    1:9K   Ryerson Holding Corp.             Broadridge Fin’l… Inc/FA 
  4/4/22  Sundarrajan Alagu                 4          Officer²    1:18K  Ryerson Holding Corp.             Broadridge Fin’l… Inc/FA 
 3/21/22  Sundarrajan Alagu                 4          Officer²    1:9K   Ryerson Holding Corp.                                      
12/20/21  Sundarrajan Alagu                 4          Officer²    1:9K   Ryerson Holding Corp.             Broadridge Fin’l… Inc/FA 
 9/20/21  Sundarrajan Alagu                 4          Officer²    1:9K   Ryerson Holding Corp.                                      
  4/2/21  Sundarrajan Alagu                 4          Officer²    2:17K  Ryerson Holding Corp.             Broadridge Fin’l… Inc/FA 
  3/1/21  Sundarrajan Alagu                 3          Officer²    1:5K   Ryerson Holding Corp.                                      

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¹	Filing/Form Types:
	3	Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 { The Filer is an Insider² of the Issuer }.
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.