QAMCO IR Presentation H1-23

CLASSIFICATION: C1 - CONTROLLED QAMCO's competitive positioning versus global peers Gross profit margin (%) EBITDA margin (%) Peer 1 38.0% Peer 2 21.6% Peer 3 21.2% Peer 4 19.4% QAMCO 15.3% QAMCO ranks #5 Peer 1 35.7% QAMCO 30.3% QAMCO ranks #2 Peer 2 23.2% Peer 3 19.3% Peer 4 15.4% Net profit margin (%) Peer 1 34.5% Peer 2 29.4% Peer 3 16.0% Peer 4 12.8% QAMCO 12.6% QAMCO ranks #5 Note: Data as of Q1-23 14 Note: Peers data include all major listed companies involved in production of Aluminium and related value chain. QAMCO, IR Presentation, H1-23

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