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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Revenue	$ 102,902	$ 93,281	$ 311,656	$ 285,330
Cost of goods sold	75,769	70,584	228,911	218,595
Gross profit	27,133	22,697	82,745	66,735
Operating expenses
Research and development	9,966	7,625	27,393	21,928
Selling, general and administrative	16,486	12,067	46,857	35,224
Total operating expenses	26,452	19,692	74,250	57,152
Operating income	681	3,005	8,495	9,583
Interest income and other loss, net	(234)	(74)	(354)	(193)
Interest expense	(105)	(22)	(136)	(72)
Net income before income taxes	342	2,909	8,005	9,318
Income tax expense	830	523	32	2,845
Net income (loss) including noncontrolling interest	(488)	2,386	7,973	6,473
Net loss attributable to noncontrolling interest	(2,139)	(1,170)	(5,269)	(3,237)
Net income attributable to Alpha and Omega Semiconductor Limited	$ 1,651	$ 3,556	$ 13,242	$ 9,710
Net income per common share attributable to Alpha and Omega Semiconductor Limited
Basic (in dollars per share)	$ 0.07	$ 0.15	$ 0.55	$ 0.42
Diluted (in dollars per share)	$ 0.07	$ 0.14	$ 0.53	$ 0.39
Weighted average number of common shares attributable to Alpha and Omega Semiconductor Limited used to compute net income per share
Basic (in shares)	23,795	23,675	23,914	23,396
Diluted (in shares)	24,755	24,951	24,916	24,781

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