High Performance Computing Capabilities

Financial Results ($ in millions except for EPS) Revenue $7,092 $6,138 $5,051 $4,316 $4,053 о EPS $3.11 $2.62 $1.40 $0.53 $0.50 2018 2019 2020 2021 2022 2018 (3) 2019 (4) 2020 (5) 2021 2022 EBITDA * 12.7% 12.4% 21.7% 21.5% 19.4% 18.6% 19.0% Operating Income 9.1% 6.0% 5.8% $897 $763 $457 $258 $837 $1,529 $1,331 $960 $233 $756 (4) 2018 2019 2020 Operating Income 2021 -Operating Margin 2022 2018 2019 EBITDA* 2020 2021 -EBITDA Margin* 2022 See corresponding endnotes on slide 25. Amkor Technology® *See discussion of Non-GAAP measures on slide 24 and the reconciliation to the most directly comparable GAAP measure on slide 22. © 2023 Amkor Technology, Inc. 16

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