Investor Presentation

Ⓡ Z (1) ASP refers to Average Selling Price Limited exposure to metal price + Value-added pricing model + Highly variable cost structure with flexible operating model 200 150 100 50 0 130 120 110 100 90 80 70 60 60 Consistent strong earnings and cash flow 2009 2010 2011 2012 2013 2014 2015 2016 Tolling Model Limits Metal Commodity Cost Exposure 2014 2015 (% Indexed to 2012 price) 2017 2016 Galvalume AZ50 ($/ton) Precoat Construction ASP¹ ($/ton) 2018 INVESTOR PRESENTATION 13 2019 2020 2017 2018 2019 Limited Metal Commodity Exposure (% Indexed to 2014 price) Zinc ($/ton) Metal Coating Sales ($mm) 2020 2021

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