Company: AMKR
Filing Date: 2025-04-04
Form Type: DEF 14A
Source: 0001193125-25-073020
Chunk: 77

Company: AMKOR TECHNOLOGY, INC.
Filing Date: 2025-04-04
Form: DEF 14A
Chunk 77
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| • |     | the median of the annual total compensation of all employees of the Company (other than our CEO) was $17,141; and |

| • |     | the annual total compensation of Mr. Rutten was $16,639,730. |

Based on this information, for 2024, the ratio of the annual total compensation of Mr. Rutten to the median of the annual total compensation of all employees was 971 to 1. The pay ratio above is a reasonable estimate calculated in a manner consistent with Item 402(u) of Regulation S-K.We describe the methodology and the material assumptions, adjustments, and estimates that we used to calculate the total compensation of our CEO for 2024, to identify the median of the annual total compensation of all of our employees, and to determine the annual total compensation of the “median employee” below. Because SEC rules for identifying the median employee and calculating the pay ratio based on that employee’s annual total compensation allow companies to adopt a variety of methodologies, to apply certain exclusions, and to make reasonable estimates and assumptions that reflect their compensation practices, the pay ratio reported by other companies may not be comparable to the pay ratio reported above, as other companies may have different employment and compensation practices and may utilize different methodologies, exclusions, estimates, and assumptions in calculating their own pay ratios. To identify our median employee, we collected data from our global workforce, consisting of all U.S. and non-U.S.full-time, part-time, seasonal, and temporary employees of the Company and its consolidated subsidiaries as of December 31, 2024. We utilized compensation as reported to the local tax authorities for each jurisdiction, as maintained in the ordinary course, to determine annual compensation and to identify our median employee. However, we excluded employees who are required to be included in the Company’s payroll records but received no compensation from the Company during the year ended December 31, 2024, including, but not limited to, seconded employees and employees who were on a long-term leave of absence during that year. We did not annualize the compensation of permanent employees who were hired in 2024 but did not work for us or our consolidated subsidiaries for the entire fiscal year. We also utilized the Company’s calculated spot exchange rate as of December 31, 2024 to convert pay received by our international employees to U.S. dollars, but we did not make any cost-of-livingadjustments in identifying the median employee. The median employee’s total compensation was calculated using