Amkor Technology's GAAP net income for 2021 was $645.607 million, up 89.6% from $340.499 million in the previous year. Revenue increased 21.5% to $6.138 billion from $5.051 billion a year earlier.
Amkor Technology's GAAP net income for 2021 was $645.607 million, up 89.6% from $340.499 million in the previous year. Revenue increased 21.5% to $6.138 billion from $5.051 billion a year earlier. 
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