Investor Presentaiton

CLASSIFICATION: C1 - CONTROLLED QAMCO JV revenue - product mix (%) Extrusion ingots along with foundry alloys (together referred to as value added or premium products) remains key products for QAMCO's JV. 25 9M-21 QAMCO JV Sales Volumes - Product mix (%) 48% 52% 9M-20 QAMCO JV Sales Volumes - Product mix (%) ■Extrusion Ingots ■Foundry Alloys 22% 33% ■Standard Ingots 45% QAMCO, IR Presentation, 9M-21

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