Annual Growth of 25% Drove Record Revenue and EPS

Fourth Quarter 2020 Highlights:

• Net sales $1.37 billion, up 16.3% year on year
• Gross margin 20.3%, operating income margin 11.6%
• Net income $127 million, earnings per diluted share $0.52
• EBITDA $288 million

Full Year 2020 Highlights:

• Net sales $5.05 billion, up 24.6% year on year
• Net income $338 million, earnings per diluted share $1.40
• EBITDA $960 million
• Net cash from operations $770 million and free cash flow $221 million
• Sixth consecutive year of positive free cash flow

TEMPE, Ariz. — (BUSINESS WIRE) — February 8, 2021 — Amkor Technology, Inc. (NASDAQ: AMKR), a leading provider of semiconductor packaging and test services, today announced financial results for the fourth quarter and full year ended December 31, 2020.

“Better than expected demand for smartphone and automotive products drove fourth quarter revenue up 16% year on year to a record $1.37 billion,” said Giel Rutten, Amkor’s president and chief executive officer. “For full year 2020, we delivered record revenue of $5.05 billion, an increase of nearly $1 billion over 2019. Demand for advanced packages, particularly advanced SiP, drove strong growth in the consumer, communications and computing end markets.”

“High utilization drove gross margin over 20%, and operating income margin reached 11.6% in the fourth quarter. The improved profitability and continued spending discipline resulted in record annual EPS of $1.40,” said Megan Faust, Amkor’s executive vice president and chief financial officer. “In 2020, free cash flow doubled from 2019 to a record $221 million. We also further strengthened our balance sheet by lowering our blended borrowing rate and paying down approximately $300 million in debt, ending the year with all-time low net debt of $322 million.”