Debt (Tables)

3 Months Ended

Mar. 31, 2025

Schedule of Short-Term Borrowings and Long-Term Debt

Short-term borrowings and long-term debt consist of the following:


	March 31, 2025		December 31, 2024
	(In thousands)
Debt of Amkor Technology, Inc.:
Senior notes:
6.625% Senior notes, due September 2027	$	525,000	$	525,000
Debt of subsidiaries:
Amkor Technology Korea, Inc.:
Term loan, fixed rate at 3.95%, due May 2027 (1)	—		—
Term loan, fixed rate at 2.12%, due December 2028	200,000		200,000
Amkor Technology Japan, Inc.:
Short-term term loans, variable rate (2)	—		—

Term loan, fixed rate at 1.20%, due December 2025	10,903		13,868
Term loan, fixed rate at 1.23%, due December 2026	30,575		33,333
Term loan, fixed rate at 1.59%, due December 2027	57,582		59,923
Term loan, fixed rate at 1.80%, due December 2028	87,523		89,059
Term loan, fixed rate at 2.05%, due December 2029	108,329		108,779
Amkor Assembly & Test (Shanghai) Co., Ltd.:
Term loans, SOFR plus 0.75%, weighted average of 5.06% as of March 31, 2025, due June 2025	35,000		35,000
Term loans, SOFR plus 0.75%, weighted average of 5.06% as of March 31, 2025, due 2025	55,000		55,500
Term loans, SOFR plus 0.95%, weighted average of 5.25% as of March 31, 2025, due December 2026	44,000		44,000
Other:

Senior secured revolving credit facility, applicable bank rate plus 1.75%, due March 2027 (Singapore) (3)	—		—
	1,153,912		1,164,462
Less: Unamortized discount and deferred debt costs, net	(4,590)		(5,002)
Less: Short-term borrowings and current portion of long-term debt	(236,459)		(236,029)
Long-term debt	$	912,863	$	923,431

(1)In April 2021, we entered into a ₩80 billion term loan agreement with the option to borrow and re-borrow the funds up to six times per year through April 2024 at a fixed rate of 1.85%. In May 2024, we replaced this loan by entering into a ₩80.0 billion (approximately $59 million) term loan agreement with the option to borrow and re-borrow the funds up to six times per year through May 2027. Principal is payable at maturity, and interest is payable monthly, at a fixed rate of 3.95%. As of March 31, 2025, ₩80.0 billion, or approximately $54 million, was available to be drawn.

(2)We entered into various short-term term loans which mature semiannually. Principal and interest are payable in monthly installments. As of March 31, 2025, $3.3 million was available to be drawn.

(3)In March 2022, Amkor Technology Singapore Holdings Pte. Ltd. (“ATSH”) entered into a $600.0 million senior secured revolving credit facility (the “2022 Singapore Revolver”), which is guaranteed by Amkor Technology, Inc., Amkor Technology Taiwan Ltd. (“ATT”) and Amkor Advanced Technology, Inc. (“AATT”).

The maximum borrowing capacity under the 2022 Singapore Revolver is limited to a base amount equal to the lesser of: (1) $600.0 million; or (2) $250.0 million plus a variable amount equal to 37.5% of our consolidated accounts receivable balance. As of March 31, 2025, $600.0 million was available for future borrowings under the 2022 Singapore Revolver.