Sinton Texas Flat Roll Steel Mill Hot Mill Restart

2 August 2023

Steel Dynamics, Inc. (NASDAQ/GS: STLD) today announced the successful restart on July 28, 2023, of the hot mill at its Sinton Texas Flat Roll Steel Mill after an unplanned outage began on July 1, 2023. The outage related to caster shear equipment issues, which the team has successfully addressed. The company continued to operate Sinton's cold mill and downstream value-added flat rolled steel coating lines during the outage.

About Steel Dynamics, Inc.

Steel Dynamics is one of the largest domestic steel producers and metals recyclers in North America, based on estimated annual steelmaking and metals recycling capability, with facilities located throughout the United States, and in Mexico. Steel Dynamics produces steel products, including hot roll, cold roll, and coated sheet steel, structural steel beams and shapes, rail, engineered special-bar-quality steel, cold finished steel, merchant bar products, specialty steel sections and steel joists and deck. In addition, the company produces liquid pig iron and processes and sells ferrous and nonferrous scrap.