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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Schedule of income tax expense (benefit) recognized in profit or loss

(a)

Income tax expense (benefit) recognized in profit or loss for the years ended December 31, 2022, 2023 and 2024 consists of the following:


	Year ended December 31,
	2022		2023	2024

	(in thousands)
Current tax expense
Current period	$	48,808	155	5,459
Adjustment for prior periods		(2,723)	(2,614)	(942)
		46,085	(2,459)	4,517

Deferred tax expense
Origination and reversal of temporary differences		(5,742)	2,436	(1,590)
Investment tax credits and operating loss carryforward		755	(5,005)	(5,362)
		(4,987)	(2,569)	(6,952)
Total income tax expense (benefit)	$	41,098	(5,028)	(2,435)

Schedule of income taxes expense (benefit) recognized directly in other comprehensive income

(b)

Income taxes expense (benefit) recognized directly in other comprehensive income for the years ended December 31, 2022, 2023 and 2024 consist of the following:


	Year ended December 31,
	2022		2023	2024

	(in thousands)
Items that will not be reclassified to profit or loss:
Remeasurements of defined benefit pension plans	$	107	(1)	—

Schedule of reconciliation of the expected income tax expense computed based on the ROC statutory income tax rate, compared with the actual income tax expense as reported in the consolidated statements of profit or loss

(c)

Reconciliation of the expected income tax expense computed based on the ROC statutory income tax rate of 20% compared with the actual income tax expense as reported in the consolidated statements of profit or loss for the years ended December 31, 2022, 2023 and 2024 are summarized as follows:


	Years ended December 31,
	2022				2023				2024
	Rate		Amount		Rate		Amount		Rate		Amount
			(in thousands)				(in thousands)				(in thousands)
Profit before income taxes			$	276,565			$	44,393			$	77,335
Income tax expense calculated at the statutory rate	20.0	%		55,313	20.0	%		8,879	20.0	%		15,467
Tax on undistributed earnings	3.9	%		10,668	4.4	%		1,931	4.7	%		3,602
Tax benefit resulting from setting aside legal reserve from prior year’s income	(0.8)	%		(2,215)	(2.9)	%		(1,267)	(0.3)	%		(245)
Tax benefit resulting from actual investment from prior year’s undistributed earnings	(0.1)	%		(303)	—			—	—			—
Increase in tax credits	(5.6)	%		(15,556)	(22.2)	%		(9,864)	(11.2)	%		(8,627)
Effect of change of unrecognized deductible temporary differences and tax losses carryforwards	1.7	%		4,706	9.3	%		4,127	5.5	%		4,237
Net of non-taxable income and non-deductible expense	(5.0)	%		(13,728)	(16.0)	%		(7,090)	(19.3)	%		(14,910)
Changes in unrecognized tax benefits	1.1	%		3,003	(3.1)	%		(1,380)	(4.0)	%		(3,127)
Foreign tax rate differential	0.5	%		1,370	1.7	%		752	2.8	%		2,177
Variance from audits, amendments and examinations of prior years’ income tax filings	(0.1)	%		(205)	(3.0)	%		(1,347)	(0.9)	%		(697)
Others	(0.7)	%		(1,955)	0.5	%		231	(0.4)	%		(312)
Income tax expense (benefit)			$	41,098			$	(5,028)			$	(2,435)
Effective tax rate	14.9	%			(11.3)	%			(3.1)	%

Schedule of components of deferred tax assets and deferred tax liabilities

(d)

As of December 31, 2023 and 2024, the components of deferred tax assets and deferred tax liabilities were as follows:


	December 31,		December 31,
	2023		2024

	(in thousands)
Deferred tax assets:
Inventory	$	4,696	5,051
Tax credit carryforwards		5,005	10,367
Accrued compensated absences		941	1,028
Allowance for sales discounts		1,902	2,374
Depreciation		1,149	1,286
Others		503	1,087
	$	14,196	21,193

Deferred tax liabilities:
Remeasurement of defined benefit plans	$	(254)	(240)
Unrealized foreign exchange gain		(261)	(264)
Others		(5)	(60)
	$	(520)	(564)

Schedule of changes in deferred tax assets and liabilities

(e)

Changes in deferred tax assets and liabilities were as follows:


				Recognized			Recognized
			Recognized	in other		Recognized	in other
	January 1,		in profit or	comprehensive	December	in profit or	comprehensive	December
	2023		loss	income	31, 2023	loss	income	31, 2024

	(in thousands)
Inventory	$	5,335	(639)	—	4,696	355	—	5,051
Tax credit carryforwards		—	5,005	—	5,005	5,362	—	10,367
Accrued compensated absences		926	15	—	941	87	—	1,028
Allowance for sales discounts		1,465	437	—	1,902	472	—	2,374
Depreciation		641	508	—	1,149	137	—	1,286
Unrealized foreign exchange loss		(364)	103	—	(261)	(3)	—	(264)
Remeasurement of defined benefit plans		(250)	(5)	1	(254)	14	—	(240)
Others		3,353	(2,855)	—	498	529	—	1,027
Total	$	11,106	2,569	1	13,676	6,953	—	20,629

Schedule of unrecognized deferred tax assets

(f)

Unrecognized Deferred Tax Assets

Gross amount of deferred tax assets have not been recognized in respect of the following items.


	December 31,		December 31,
	2023		2024

	(in thousands)
Unused tax credits	$	1,560	1,560
Unused operating loss carryforwards-statutory tax		215,956	202,550
Unused operating loss carryforwards-undistributed earnings tax		288,301	284,914
Others		19,468	17,422
	$	525,285	506,446

Schedule of unrecognized deferred tax assets of unused operating loss carry forwards

As of December 31, 2024, the expiration period for abovementioned unrecognized deferred tax assets of unused operating loss carryforwards for statutory tax were as follows:


			Unrecognized
	Deductible amount		deferred tax assets		Expiration year

	(in thousands)
Taiwan operations	$	100,779	$	20,156	2025~2029
		84,871		16,974	2030~2034
Hong Kong operations		1,825		150	Indefinitely
US operations		15,075		4,131	2025~Indefinitely
			$	41,411