X0306 4 2022-06-06 0000917470 OLYMPIC STEEL INC ZEUS 0001136932 WOLFORT DAVID A C/O OLYMPIC STEEL, INC. 22901 MILLCREEK BLVD., SUITE 650 HIGHLAND HILLS OH 44122 1 Common Stock 2022-06-06 4 S 0 4500 35.45 D 164564 D Common Stock 2022-06-06 4 S 0 1250 36.04 D 163314 D Common Stock 2022-06-07 4 S 0 4250 36.01 D 159064 D Common Stock 2022-06-07 4 S 0 2663 36.64 D 156401 D Price reflects the weighted average purchase price for multiple transactions that ranged from $34.90 to $35.90 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price. Price reflects the weighted average purchase price for multiple transactions that ranged from $36.00 to $36.10 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price. Price reflects the weighted average purchase price for multiple transactions that ranged from $35.60 to $36.41 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price. Price reflects the weighted average purchase price for multiple transactions that ranged from $36.50 to $36.90 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price. /s/ Lisa K. Christen, as Attorney-in-Fact 2022-06-08