Investor Presentaiton

Operating Income and Operating Margin Trend Operating Income Unit: NT$ million 4,500 3,979 3,911 4,000 3,467 3,500 4.99% 3,000 4.52% 2,914 4.27% 2,500 3.72% 2,174 2,000 3.01% 1,500 1,011 1,000 829 1.69% 1.28% 500 239 0.45% 0 2Q21 3Q21 4Q21 1Q22 2Q22 3Q22 4Q22 1Q23 Operating Income(LHS) -Operating Margin acer 4

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