X0306 4/A 2020-04-02 2020-04-01 0 0001481582 Ryerson Holding Corp RYI 0001799091 Kannan Molly D 227 W MONROE ST 27TH FLOOR CHICAGO IL 60606 0 1 0 0 CAO & Corporate Controller Common Stock, (par value $0.01 per share) 2020-04-02 4 S 0 2961 4.46 D 12985 D The purpose of this amendment is to correct errors in Item 3 and Columns 2, 4 and 5 of Table I. The original Form 4, filed April 1, 2020, erroneously listed the date of the earliest transaction required to be reported in Item 3 and the transaction date in Column 2 of Table I as March 31, 2020, the amount of securities disposed of in Column 4 of Table I as 2,428, the price of such securities in Column 4 of Table I as $5.32 and the amount of securities beneficially owned following the reported transaction in Column 5 of Table I as 13,518. The shares were sold in a sell-to-cover transaction for the taxes due in connection with restricted stock units vesting on March 31, 2020. These shares were sold in multiple transactions at prices ranging from $4.42 to $4.68. The reporting person undertakes to provide Ryerson Holding Corporation, any security holder of Ryerson Holding Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in this footnote. Camilla Rykke Merrick 2020-05-13