Algoma Steel Group Addresses Casthouse Incident; All Five Hospitalized Workers Were Treated And Released; Incident Had No Impact On Blast Furnace Recovery And Return To Full Production Remains On Track

at approximately 10:00 pm on Wednesday, February 7 there was an incident at the north casthouse of the blast furnace complex where the Company believes slag made contact with moisture in the hot iron trough. Twelve workers were impacted by the incident and five were treated at Sault Area Hospital. All five were treated and released.