AMKOR TECHNOLOGY, INC.

For the period ended Oct 26, 2026. Filed Oct 26, 2026.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Oct 26, 2026 · Filed Oct 26, 2026

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AMKR$32.82+7.6%Stored close · as of Nov 6, 2026

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EX-99.1 · (In thousands, except per share data)

(In thousands, except per share data)

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2026	2025	2026	2025
Net sales	$1,990,557	$1,986,968	$5,573,223	$4,819,935
Cost of sales	1,627,028	1,702,478	4,652,072	4,195,965
Gross profit	363,529	284,490	921,151	623,970
Selling, general and administrative	99,026	83,211	274,917	211,541
Research and development	39,792	42,352	121,382	130,012
Total operating expenses	138,818	125,563	396,299	341,553
Operating income	224,711	158,927	524,852	282,417
Interest expense	17,916	21,231	52,597	54,850
Other (income) expense, net	(23,367)	(16,701)	(57,390)	(35,833)
Total other (income) expense, net	(5,451)	4,530	(4,793)	19,017
Income before taxes	230,162	154,397	529,645	263,400
Income tax expense	39,243	27,715	79,891	59,813
Net income	190,919	126,682	449,754	203,587
Net income attributable to non-controlling interests	(306)	(93)	(2,037)	(1,453)
Net income attributable to Amkor	$190,613	$126,589	$447,717	$202,134
Net income attributable to Amkor per common share:
Basic	$0.77	$0.51	$1.81	$0.82
Diluted	$0.76	$0.51	$1.79	$0.81
Shares used in computing per common share amounts:
Basic	248,015	247,158	247,827	247,035
Diluted	249,526	248,302	249,712	248,054

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