Alcoa (AA) Proxy filing summary

Executive summary

• Supplement corrects a labeling error in the human resources management metrics table, specifically the order of "Underrepresented Employee Hires (%)" and "Global Women (%)".

• No other information in the proxy statement is modified by this supplement.

Executive compensation and say-on-pay

• Human resources management metrics, including diversity hiring and global women representation, are part of the non-financial performance metrics used in executive compensation evaluation.

ESG and sustainability initiatives

• Non-financial metrics for executive performance include diversity and inclusion measures, such as underrepresented employee hires and global women representation.