AOSL 10-Q Quarterly Report March 31, 2015

ALPHA & OMEGA SEMICONDUCTOR LTD

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10-Q 1 aosl0331201510q.htm 10-Q AOSL 03.31.2015 10Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________________

FORM 10-Q

_________________________________

(MARK ONE)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2015

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE TRANSITION PERIOD FROM TO

Commission file number 001-34717

__________________________

Alpha and Omega Semiconductor Limited

(Exact name of Registrant as Specified in its Charter)



Bermuda	77-0553536
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification Number)

Clarendon House, 2 Church Street

Hamilton HM 11, Bermuda

(Address of Principal Registered

Offices including Zip Code)

(408) 830-9742

(Registrant's Telephone Number, Including Area Code)

__________________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months, (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):



Large accelerated filer o	Accelerated filer x	Non-accelerated filer o	Smaller reporting company o
		(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No x

Number of common shares outstanding as of April 30, 2015: 26,343,613.

Alpha and Omega Semiconductor Limited

Form 10-Q

Fiscal Third Quarter Ended March 31, 2015

TABLE OF CONTENTS



		Page
Part I.	FINANCIAL INFORMATION
Item 1.	Financial Statements:	1
	Condensed Consolidated Balance Sheets as of March 31, 2015 and June 30, 2014 (Unaudited)	1
	Condensed Consolidated Statements of Operations for the Three and Nine Months Ended March 31, 2015 and 2014 (Unaudited)	2
	Condensed Consolidated Statements of Comprehensive Loss for the Three and Nine Months Ended March 31, 2015 and 2014 (Unaudited)	3
	Condensed Consolidated Statements of Cash Flows for the Nine Months Ended March 31, 2015 and 2014 (Unaudited)	4
	Notes to Condensed Consolidated Financial Statements (Unaudited)	5
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	16
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	26
Item 4.	Controls and Procedures	26
Part II.	OTHER INFORMATION
Item 1.	Legal Proceedings	27
Item 1A.	Risk Factors	27
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	27
Item 3.	Defaults Upon Senior Securities	27
Item 4.	Mine Safety Disclosures	28
Item 5.	Other Information	28
Item 6.	Exhibits	29
	Signatures	30

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS



ALPHA AND OMEGA SEMICONDUCTOR LIMITED
CONDENSED CONSOLIDATED BALANCE SHEETS
(Unaudited, in thousands except par value per share)
	March 31, 2015			June 30, 2014
ASSETS
Current assets:
Cash and cash equivalents	$	112,931		$	117,788
Restricted cash	245			244
Accounts receivable, net	31,141			36,535
Inventories	66,311			66,560
Deferred income tax assets	2,931			2,842
Other current assets	3,433			3,810
Total current assets	216,992			227,779
Property, plant and equipment, net	115,817			123,254
Intangible assets, net	17			229
Goodwill	269			269
Deferred income tax assets - long term	10,938			10,854
Other long-term assets	3,281			1,963
Total assets	$	347,314		$	364,348
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
Short term debt	$	6,429		$	13,821
Accounts payable	34,396			38,760
Accrued liabilities	17,675			17,376
Income taxes payable	1,821			1,933
Deferred margin	699			665
Capital leases	978			1,061
Total current liabilities	61,998			73,616
Income taxes payable - long term	1,622			2,315
Deferred income tax liabilities	3,551			3,234
Capital leases - long term	299			1,005
Other long term liabilities	1,004			1,143
Total liabilities	68,474			81,313
Commitments and contingencies (Note 9)
Shareholders' equity:
Preferred shares, par value $0.002 per share:
Authorized: 10,000 shares, issued and outstanding: none at March 31, 2015 and June 30, 2014	—			—
Common shares, par value $0.002 per share:
Authorized: 50,000 shares, issued and outstanding: 27,090 shares and 26,309 shares, respectively at March 31, 2015 and 26,644 shares and 26,304 shares, respectively at June 30, 2014	54			53
Treasury shares at cost, 781 shares at March 31, 2015 and 340 shares at June 30, 2014	(6,759		)	(2,889		)
Additional paid-in capital	178,820			174,084
Accumulated other comprehensive income	915			1,033
Retained earnings	105,810			110,754
Total shareholders’ equity	278,840			283,035
Total liabilities and shareholders’ equity	$	347,314		$	364,348

See accompanying notes to these condensed consolidated financial statements.

Table of Contents

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited, in thousands except per share data)



	Three Months Ended March 31,						Nine Months Ended March 31,
	2015			2014			2015			2014
Revenue	$	76,918		$	75,405		$	246,463		$	235,791
Cost of goods sold	64,154			63,095			200,297			192,711
Gross profit	12,764			12,310			46,166			43,080
Operating expenses
Research and development	6,929			5,977			20,155			17,796
Selling, general and administrative	9,219			9,256			27,958			25,505
Total operating expenses	16,148			15,233			48,113			43,301
Operating loss	(3,384		)	(2,923		)	(1,947		)	(221		)
Interest income and other, net	18			52			92			90
Interest expense	(41		)	(62		)	(157		)	(210		)
Loss before income taxes	(3,407		)	(2,933		)	(2,012		)	(341		)
Income tax expense	698			361			2,826			2,486
Net loss	$	(4,105	)	$	(3,294	)	$	(4,838	)	$	(2,827	)
Net loss per share
Basic	$	(0.16	)	$	(0.13	)	$	(0.18	)	$	(0.11	)
Diluted	$	(0.16	)	$	(0.13	)	$	(0.18	)	$	(0.11	)
Weighted average number of common shares used to compute net loss per share
Basic	26,447			26,067			26,469			25,865
Diluted	26,447			26,067			26,469			25,865

See accompanying notes to these condensed consolidated financial statements.

Table of Contents

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(Unaudited, in thousands)



	Three Months Ended March 31,						Nine Months Ended March 31,
	2015			2014			2015			2014
Net loss	$	(4,105	)	$	(3,294	)	$	(4,838	)	$	(2,827	)
Foreign currency translation adjustment, net of tax	28			(31		)	(118		)	18
Total comprehensive loss	$	(4,077	)	$	(3,325	)	$	(4,956	)	$	(2,809	)

See accompanying notes to these condensed consolidated financial statements.

Table of Contents

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited, in thousands)



	Nine Months Ended March 31,
	2015			2014
Cash flows from operating activities
Net loss	$	(4,838	)	$	(2,827	)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	20,666			20,577
Amortization	140			283
Allowance for doubtful accounts	—			(363		)
Share-based compensation expense	3,319			2,175
Deferred income taxes, net	144			952
Gain on disposal of property and equipment	(92		)	(120		)
Government grant via forgiven loan	(250		)	—
Changes in assets and liabilities:
Accounts receivable	5,605			1,509
Inventories	249			8,538
Other current and long-term assets	(939		)	(1,008		)
Accounts payable	(5,046		)	(3,683		)
Income taxes payable	(805		)	(1,125		)
Accrued and other liabilities	(431		)	2,053
Net cash provided by operating activities	17,722			26,961
Cash flows from investing activities
Purchases of property and equipment	(12,579		)	(6,462		)
Proceeds from sale of property and equipment	50			244
Restricted cash released (placed)	(1		)	1
Net cash used in investing activities	(12,530		)	(6,217		)
Cash flows from financing activities
Proceeds from exercise of stock options and ESPP	1,910			1,279
Payment for repurchase of common shares	(3,977		)	—
Repayments of borrowings	(7,143		)	(2,857		)
Principal payments on capital leases	(790		)	(927		)
Net cash used in financing activities	(10,000		)	(2,505		)
Effect of exchange rate changes on cash and cash equivalents	(49		)	(11		)
Net increase (decrease) in cash and cash equivalents	(4,857		)	18,228
Cash and cash equivalents at beginning of period	117,788			92,406
Cash and cash equivalents at end of period	$	112,931		$	110,634

Supplemental disclosures of non-cash investing and financing information:
Property and equipment purchased but not yet paid	$	4,137		$	1,635
Re-issuance of treasury stock	$	106		$	83

See accompanying notes to these condensed consolidated financial statements.

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

The Company and Significant Accounting Policies

The Company

Alpha and Omega Semiconductor Limited and its subsidiaries (the “Company,” "AOS," "we" or "us") design, develop and supply a broad range of power semiconductors. The Company's portfolio of products targets high-volume applications, including portable computers, flat panel TVs, LED lighting, smart phones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment. The Company conducts its operations primarily in the United States of America (“USA”), Hong Kong, Macau, China, Taiwan, Korea and Japan.

Basis of Preparation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) for interim financial information and with the instructions to Article 10 of Securities and Exchange Commission Regulation S-X, as amended. They do not include all information and footnotes necessary for a fair presentation of financial position, results of operations and cash flows in conformity with U.S. GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2014 . All significant intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments (consisting of normal recurring adjustments and accruals) considered necessary for a fair presentation of the results of operations for the period presented have been included in the interim periods. Operating results for the three and nine months ended March 31, 2015 are not necessarily indicative of the results that may be expected for the fiscal year ending June 30, 2015 . The condensed consolidated balance sheet at June 30, 2014 is derived from the audited financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2014 .

Use of Estimates

The preparation of the condensed consolidated financial statements in conformity with U.S. GAAP requires the Company to make estimates, judgments and assumptions that affect the reported amounts of assets, liabilities, revenue and expenses. To the extent there are material differences between these estimates and actual results, the Company's condensed consolidated financial statements will be affected. On an ongoing basis, the Company evaluates the estimates, judgments and assumptions including those related to stock rotation returns, price adjustments, allowance for doubtful accounts, inventory reserves, warranty accrual, income taxes, share-based compensation, and useful lives for property, plant and equipment and intangible assets.

Fair Value of Financial Instruments

The fair value of cash equivalents are based on observable market prices and have been categorized in Level 1 in the fair value hierarchy. Cash equivalents consist primarily of short term bank deposits. The carrying values of financial instruments such as cash and cash equivalents, accounts receivable and accounts payable approximate their carrying values due to their short-term maturities. The carrying value of the Company's debt is considered a reasonable estimate of fair value which is estimated by considering the current rates available to the Company for debt of the same remaining maturities, structure and terms of the debts.

Comprehensive Income (Loss)

Comprehensive income (loss) is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources. The Company's accumulated other comprehensive income (loss) consists of cumulative foreign currency translation adjustments. Total comprehensive income (loss) is presented in the condensed consolidated statements of comprehensive income (loss).

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Recent Accounting Pronouncements

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”). The standard provides companies with a single model for use in accounting for revenue arising from contracts with customers and supersedes current revenue recognition guidance, including industry-specific revenue guidance. The core principle of the model is to recognize revenue when control of the goods or services transfers to the customer, as opposed to recognizing revenue when the risks and rewards transfer to the customer under the existing revenue guidance. ASU 2014-09 is effective for annual reporting periods beginning after December 15, 2016. Early adoption is not permitted. The guidance permits companies to either apply the requirements retrospectively to all prior periods presented, or apply the requirements in the year of adoption, through a cumulative adjustment. The Company is in the process of evaluating the impact of the adoption on its consolidated financial statements.

In August 2014, the FASB issued amended standards No. 2014-15, Presentation of Financial Statements - Going Concern ('ASU 2014-15"), to provide guidance about management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures requirement. The amendments (1) provide a definition of the term substantial doubt, (2) require an evaluation for each annual and interim reporting period, (3) provide principles for considering the mitigating effect of management’s plans, (4) require certain disclosures when substantial doubt is alleviated as a result of consideration of management’s plans, (5) require an express statement and other disclosures when substantial doubt is not alleviated, and (6) require an assessment for a period of one year after the date that the financial statements are issued (or available to be issued). ASU 2014-15 is effective for the annual period ending after December 15, 2016, and for annual periods and interim periods thereafter. Early adoption is permitted. The Company does not expect the adoption of this guidance will have a material impact on its consolidated financial position, results of operations or cash flows.

In February 2015, the FASB issued ASU No. 2015-2, “Consolidation (Topic 820): Amendments to the Consolidation Analysis.” ASU 2015-2 provides a revised consolidation model for all reporting entities to use in evaluating whether they should consolidate certain legal entities. All legal entities will be subject to reevaluation under this revised consolidation model. The revised consolidation model, among other things, (i) modifies the evaluation of whether limited partnerships and similar legal entities are VIEs or voting interest entities, (ii) eliminates the presumption that a general partner should consolidate a limited partnership, and (iii) modifies the consolidation analysis of reporting entities that are involved with VIEs through fee arrangements and related party relationships. ASU 2015-2 is effective for fiscal years, and interim reporting periods within those fiscal years, beginning after December 15, 2015. The Company does not expect the adoption of this guidance will have a material impact on its consolidated financial position, results of operations or cash flows.

In April 2015, the FASB issued ASU No. 2015-03, Interest -Imputation of Interest(Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs. The amendments in this ASU require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts and the accounting for debt issue costs under IFRS. The recognition and measurement guidance for debt issuance costs are not affected by the amendments in this ASU. ASU 2015-03 is effective for the annual period ending after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments in this Update is permitted for financial statements that have not been previously issued. The Company does not expect the adoption of this guidance will have a material impact on its consolidated financial position, results of operations or cash flows.

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

2. Net Loss Per Share

The following table presents the calculation of basic and diluted net loss per share:



	Three Months Ended March 31,						Nine Months Ended March 31,
	2015			2014			2015			2014
	(in thousands, except per share data)
Numerator:
Net loss	$	(4,105	)	$	(3,294	)	$	(4,838	)	$	(2,827	)

Denominator:
Basic:
Weighted average number of common shares used to compute basic net loss per share	26,447			26,067			26,469			25,865
Diluted:
Weighted average number of common shares used to compute diluted net loss per share	26,447			26,067			26,469			25,865
Net loss per share:
Basic	$	(0.16	)	$	(0.13	)	$	(0.18	)	$	(0.11	)
Diluted	$	(0.16	)	$	(0.13	)	$	(0.18	)	$	(0.11	)

The following potential dilutive securities were excluded from the computation of diluted net loss per share as their effect would have been anti-dilutive:



	Three Months Ended March 31,		Nine Months Ended March 31,
	2015	2014	2015	2014
	(in thousands)
Employee stock options and RSUs	3,689	3,660	3,735	3,907
ESPP to purchase common shares	304	539	395	609
Total potential dilutive securities	3,993	4,199	4,130	4,516

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

3. Concentration of Credit Risk and Significant Customers

The Company manages its credit risk associated with exposure to distributors and direct customers on outstanding accounts receivable through the application of credit approvals, credit ratings and other monitoring procedures. In some instances, the Company also obtains letters of credit from certain customers.

Credit sales, which are mainly on credit terms of 30 to 60 days , are only made to customers who meet the Company's credit requirements, while sales to new customers or customers with low credit ratings are usually made on an advance payment basis. The Company considers its trade accounts receivable to be of good credit quality because its key distributors and direct customers have long-standing business relationships with the Company and the Company has not experienced any significant bad debt write-offs of accounts receivable in the past. The Company closely monitors the aging of accounts receivable from its distributors and direct customers, and regularly reviews their financial positions, when available.

Summarized below are individual customers whose revenue or accounts receivable balances were 10% or higher than the respective total consolidated amounts:



	Three Months Ended March 31,				Nine Months Ended March 31,
Percentage of revenue	2015		2014		2015		2014
Customer A	25.1	%	20.1	%	24.5	%	21.1	%
Customer B	32.5	%	44.9	%	36.6	%	43.8	%
Customer C	12.3	%	11.2	%	12.2	%	12.0	%



	March 31, 2015		June 30, 2014
Percentage of accounts receivable	March 31, 2015		June 30, 2014
Customer A	32.2	%	23.1	%
Customer B	14.7	%	30.5	%
Customer C	20.9	%	17.4	%

4. Balance Sheet Components

Accounts receivable:



	March 31, 2015			June 30, 2014
	(in thousands)
Accounts receivable	$	48,183		$	51,128
Less: Allowance for price adjustments	(17,012		)	(14,563		)
Less: Allowance for doubtful accounts	(30		)	(30		)
Accounts receivable, net	$	31,141		$	36,535

Inventories:



	March 31, 2015		June 30, 2014
	(in thousands)
Raw materials	$	20,147	$	18,996
Work in-process	33,630		36,003
Finished goods	12,534		11,561
	$	66,311	$	66,560

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Property, plant and equipment, net:



	March 31, 2015			June 30, 2014
	(in thousands)
Land	$	4,877		$	4,950
Building	4,224			4,106
Manufacturing machinery and equipment	170,679			161,354
Equipment and tooling	11,220			10,486
Computer equipment and software	20,417			19,319
Office furniture and equipment	1,715			1,643
Leasehold improvements	26,373			25,154
	239,505			227,012
Less: Accumulated depreciation	(135,138		)	(114,658		)
	104,367			112,354
Equipment and construction in progress	11,450			10,900
Property, plant and equipment, net	$	115,817		$	123,254

Other long-term assets:



	March 31, 2015		June 30, 2014
	(in thousands)
Prepayments for property and equipment	$	2,543	$	1,435
Investment in a privately held company	100		100
Office leases deposits	638		428
	$	3,281	$	1,963

Accrued liabilities:



	March 31, 2015		June 30, 2014
	(in thousands)
Accrued compensation and benefit	$	5,314	$	4,879
Accrued vacation	1,936		1,777
Accrued bonuses	1,061		1,873
Warranty accrual	1,117		1,346
Stock rotation accrual	1,774		1,645
Accrued professional fees	883		1,001
ESPP payable	832		323
Customer deposits	73		104
Accrued inventory	539		590
Accrued facilities related expenses	1,479		1,353
Other accrued expenses	2,667		2,485
	$	17,675	$	17,376

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

The activities in the warranty accrual, included in accrued liabilities, are as follows:



	Nine Months Ended March 31,
	2015			2014
	(in thousands)
Beginning balance	$	1,346		$	1,428
Additions	1,216			939
Utilization	(1,445		)	(1,186		)
Ending balance	$	1,117		$	1,181

The activities in the stock rotation accrual, included in accrued liabilities, are as follows:



	Nine Months Ended March 31,
	2015			2014
	(in thousands)
Beginning balance	$	1,645		$	1,572
Additions	4,129			3,702
Utilization	(4,000		)	(2,480		)
Ending balance	$	1,774		$	2,794

Other Long-term liabilities:



	March 31, 2015		June 30, 2014
	(in thousands)
Deferred rent	$	1,004	$	1,143

5. Debt

On May 11, 2012, the Company entered into a loan agreement with a financial institution that provides a term loan of $20.0 million for general purposes and a $10.0 million non-revolving credit line for the purchase of equipment. Both the term loan and equipment line will be fully repayable in May 2015. The borrowings may be made in the form of either Eurodollar loans or Base Rate loans. Eurodollar loans accrue interest based on an adjusted London Interbank Offered Rate ("LIBOR") as defined in the agreement, plus a margin of 1.00% to 1.75% . Base Rate loans accrue interest at the highest of (a) the lender's Prime Rate, (b) the Federal Funds Rate plus 0.5% and (c) the Eurodollar Rate (for a one-month interest period) plus 1% ; plus a margin of -0.5% to 0.25% . The applicable margins for both Eurodollar loans and Base Rate loans will vary from time to time in the foregoing ranges based on the cash and cash equivalent balances maintained by the Company and its subsidiaries with the lender. In May 2013, the equipment credit line expired and there was no outstanding balance. As of March 31, 2015 and June 30, 2014, the outstanding balances of the term loan were $6.4 million and $13.6 million , respectively.

The obligations under the loan agreement are secured by substantially all assets of two subsidiaries of the Company, including, but not limited to, certain real property and related assets located at the Oregon fab. In addition, the Company and certain subsidiaries of the Company have agreed to guarantee full repayment and performance of the obligations under the loan agreement. The loan agreement contains customary restrictive covenants and includes certain financial covenants that require the Company to maintain on a consolidated basis specified financial ratios including total liabilities to tangible net worth, fixed charge coverage and current assets to current liabilities. As of March 31, 2015 , the Company was in compliance with these covenants.

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

September 2014, the State of Oregon forgave the outstanding balance in full as we had satisfied the conditions. The $0.3 million loan forgiven was recorded as a reduction of costs of goods sold in our condensed consolidated statements of operations.

6. Shareholders' Equity and Share-based Compensation

Share Repurchase

On May 8, 2014, our Board of Directors approved to reactivate the share repurchase program which was originally authorized on October 22, 2010 for a total amount of $25.0 million . The Board authorized management to repurchase, subject to oversight by the Board, our common shares up to the remaining balance of the program, or $22.7 million . The repurchases may be made from the open market or through privately negotiated transactions. Open market repurchases will be made pursuant to a pre-established 10b5-1 trading plan with specified amount of shares and price for the repurchases. The amount and timing of any repurchases will depend on a number of factors, including but not limited to, the trading price, volume and availability of our common shares, applicable legal requirements, our business and financial conditions and general market environment. The Company accounts for treasury stock under the cost method. Shares repurchased are accounted for as treasury shares and the total cost of shares repurchased is recorded as a reduction of shareholders' equity. From time to time, treasury shares may be reissued as part of the Company's stock-based compensation programs. Gains on re-issuance of treasury stock are credited to additional paid-in capital; losses are charged to additional paid-in capital to offset the net gains, if any, from previous sales or re-issuance of treasury stock. Any remaining balance of the losses are charged to retained earnings. In April 2015, the Board of Directors of the Company approved an increase in the remaining available amount under the Company’s share repurchase program from approximately $17.8 million to $50.0 million .

During the nine months ended March 31, 2015, the Company repurchased 449,247 shares from the open market for a total cost of $4.0 million , at an average price of $8.85 per share under the share repurchase program. Since the inception of the program in 2010, the Company repurchased an aggregate of 810,611 shares from the open market for a total cost of $7.2 million , at an average price of $8.84 per share. No repurchased shares have been retired. Of the 810,611 repurchased shares, 29,300 shares with a weighted average repurchase price of $13.84 per share, were reissued at an average price of $2.22 per share for option exercises and vested RSU.

Stock Options

The following table summarizes the Company's stock option activities for the nine months ended March 31, 2015 :



			Weighted
			Average
	Number of		Exercise Price		Aggregate
	Shares		Per Share		Intrinsic Value
Outstanding at June 30, 2014	3,238,784		$	10.28	$	3,258,607
Granted	10,000		$	9.07
Exercised	(198,065	)	$	5.70	$	740,051
Canceled or forfeited	(132,085	)	$	10.19
Outstanding at March 31, 2015	2,918,634		$	10.60	$	1,974,804

Information with respect to stock options outstanding and exercisable at March 31, 2015 is as follows:



	Options Outstanding				Options Vested and Exercisable
	Number Outstanding	Weighted-Average Remaining Contractual Life (years)	Weighted-Average Exercise Price		Number Exercisable	Weighted-Average Exercise Price
Total options outstanding	2,918,634	4.77	$	10.60	2,323,289	$	11.22
Options vested and expected to vest	2,860,969	4.69	$	10.65

Options expected to vest are the result of applying the pre-vesting forfeiture rate assumption to total outstanding options.

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

The fair value of stock options granted were estimated at the date of grant using the Black-Scholes option valuation model for the nine months ended March 31, 2015 with the following weighted average assumptions:



	Nine Months Ended March 31,
	2015
Volatility rate	41.2%
Risk-free interest rate	1.6% - 1.8%
Expected term	5.5 years
Dividend yield	0%

Historically, the Company estimates its expected volatility based on that of the publicly traded shares of industry peers over a period equivalent to the expected term of the stock awards granted. Beginning in July 2015, the Company estimates its expected volatility based on a weighted average calculation of both the Company's volatility of its publicly traded share prices since its IPO and that of the publicly traded shares of industry peers over a period equivalent to the expected term of the stock awards granted.

Restricted Stock Units ("RSU")

The following table summarizes the Company's RSU activities for the nine months ended March 31, 2015 :



	Number of Restricted Stock Units		Weighted Average Grant Date Fair Value Per Share		Weighted Average Remaining Recognition Period (Years)	Aggregate Intrinsic Value
Nonvested at June 30, 2014	656,374		$	8.40	1.77	$	6,084,587
Granted	455,742		$	8.93
Vested	(185,405	)	$	8.62
Forfeited	(59,995	)	$	8.37
Nonvested at March 31, 2015	866,716		$	8.63	1.95	$	7,722,440
RSUs vested and expected to vest	744,314				1.86	$	6,631,837

The fair value of RSU is estimated based on the market price of the Company's share on the date of grant.

Employee Share Purchase Plan ("ESPP")

The assumptions used to estimate the fair values of common shares issued under the ESPP were as follows:




	Nine Months Ended March 31,
	2015
Volatility rate	50%
Risk-free interest rate	0.1% - 0.5%
Expected term	1.3 years
Dividend yield	0%

Share-based Compensation Expense

T he total share-based compensation expense related to stock options, ESPP and RSUs described above, recognized in the condensed consolidated statements of operations for the periods presented was as follows:

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)



	Three Months Ended March 31,				Nine Months Ended March 31,
	2015		2014		2015		2014
	(in thousands)				(in thousands)
Cost of goods sold	$	167	$	119	$	495	$	457
Research and development	43		221		542		484
Selling, general and administrative	730		521		2,282		1,234
	$	940	$	861	$	3,319	$	2,175

Total unrecognized stock-based compensation expense as of March 31, 2015 was $5.6 million , which includes estimated forfeitures and is expected to be recognized over a weighted-average period of 1.8 years.

7. Income Taxes

The Company recognized income tax expense of approximately $0.7 million and $0.4 million for the three months ended March 31, 2015 and 2014 , respectively. The Company recognized income tax expense of approximately $2.8 million and $2.5 million for the nine months ended March 31, 2015 and 2014 , respectively. The estimated effective tax rate for the three months ended March 31, 2015 was (20.5)% compared to (12.3)% for the three months ended March 31, 2014 . The estimated effective tax rate was (140.5)% and (729.0)% for the nine months ended March 31, 2015 and 2014 , respectively. The variances in the effective tax rate and tax expense between the periods resulted primarily from changes in the mix of earnings in various geographic jurisdictions between the current and same periods of last year as well as a decrease in the recognition of previously unrecognized tax benefits following the lapse of the applicable statute of limitations between the respective periods.

The Company files its income tax returns in the United States and in various foreign jurisdictions. The tax years 2001 to 2014 remain open to examination by U.S. federal and state tax authorities. The tax years 2008 to 2014 remain open to examination by foreign tax authorities.

The Company's income tax returns are subject to examinations by the Internal Revenue Service and other tax authorities in various jurisdictions. In accordance with the guidance on the accounting for uncertainty in income taxes, the Company regularly assesses the likelihood of adverse outcomes resulting from these examinations to determine the adequacy of its provision for income taxes. These assessments can require considerable estimates and judgments. As of March 31, 2015 , the gross amount of unrecognized tax benefits was approximately $6.3 million , of which $4.3 million , if recognized, would reduce the effective income tax rate in future periods. If the Company's estimate of income tax liabilities proves to be less than the ultimate assessment, then a further charge to expense would be required. If events occur and the payment of these amounts ultimately proves to be unnecessary, the reversal of the liabilities would result in tax benefits being recognized in the period when the Company determines the liabilities are no longer necessary. The Company does not anticipate any material changes to its uncertain tax positions during the next twelve months .

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

8. Segment and Geographic Information

The Company is organized as, and operates in, one operating segment: the design, development and supply of power semiconductor products for computing, consumer electronics, communication and industrial applications. The chief operating decision-maker is the Chief Executive Officer. The financial information presented to the Company's Chief Executive Officer is on a consolidated basis, accompanied by information about revenue by customer and geographic region, for purposes of evaluating financial performance and allocating resources. The Company has one business segment, and there are no segment managers who are held accountable for operations, operating results and plans for products or components below the consolidated unit level. Accordingly, the Company reports as a single operating segment.

The Company sells its products primarily to distributors in the Asia Pacific region, who in turn sell these products to end customers. Because the Company's distributors sell their products to end customers which may have a global presence, revenue by geographical location is not necessarily representative of the geographical distribution of sales to end user markets.

The revenue by geographical location in the following tables is based on the country or region to which the products were shipped to:



	Three Months Ended March 31,				Nine Months Ended March 31,
	2015		2014		2015		2014
	(in thousands)				(in thousands)
Hong Kong	$	64,610	$	65,026	$	210,135	$	200,511
China	10,315		8,497		30,095		29,545
South Korea	624		775		1,787		2,317
United States	706		513		2,270		1,411
Other Countries	663		594		2,176		2,007
	$	76,918	$	75,405	$	246,463	$	235,791

The following is a summary of revenue by product type:



	Three Months Ended March 31,				Nine Months Ended March 31,
	2015		2014		2015		2014
	(in thousands)				(in thousands)
Power discrete	$	59,181	$	58,563	$	185,275	$	182,654
Power IC	13,719		12,844		$	48,984	$	39,682
Packaging and testing services	4,018		3,998		$	12,204	$	13,455
	$	76,918	$	75,405	$	246,463	$	235,791

Long-lived assets, net consisting of property, plant and equipment, by geographical area are as follows:



	March 31, 2015		June 30, 2014
	(in thousands)
China	$	72,999	$	80,736
United States	42,233		42,106
Other Countries	585		412
	$	115,817	$	123,254

ALPHA AND OMEGA SEMICONDUCTOR LIMITED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

9. Commitments and Contingencies

Purchase Commitments

As of March 31, 2015 and June 30, 2014 , the Company had approximately $31.6 million and $34.5 million , respectively, of outstanding purchase commitments primarily for purchases of semiconductor raw materials, wafers, spare parts and packaging and testing services, and approximately $5.8 million and $4.6 million , respectively, of capital commitments for the purchase of property and equipment.

Contingencies and Indemnities

The Company is currently not a party to any pending material legal proceedings. The Company has in the past, and may from time to time in the future, become involved in legal proceedings arising from the normal course of business activities. The semiconductor industry is characterized by frequent claims and litigation, including claims regarding patent and other intellectual property rights as well as improper hiring practices. Irrespective of the validity of such claims, the Company could incur significant costs in the defense of such claims and suffer adverse effects on its operations.

The Company is a party to a variety of agreements that it has contracted with various third parties. Pursuant to these agreements, the Company may be obligated to indemnify another party to such an agreement with respect to certain matters. Typically, these obligations arise in the context of contracts entered into by the Company, under which the Company customarily agrees to hold the other party harmless against losses arising from a breach of representations and covenants related to such matters as title to assets sold, certain intellectual property rights, specified environmental matters and certain income taxes. In these circumstances, payment by the Company is customarily conditioned on the other party making a claim pursuant to the procedures specified in the particular contract, which procedures typically allow the Company to challenge the other party's claim. Further, the Company's obligations under these agreements may be limited in time and/or amount, and in some instances, the Company may have recourse against third parties for certain payments made by it under these agreements. The Company has not historically paid or recorded any material indemnifications and no accrual has been made at March 31, 2015 and June 30, 2014 .

The Company has agreed to indemnify its directors and certain employees as permitted by law and pursuant to its bye-laws, and has entered into indemnification agreements with its directors and executive officers. The Company has not recorded a liability associated with these indemnification arrangements, as it historically has not incurred any material costs associated with such indemnification obligations. Costs associated with such indemnification obligations may be mitigated by insurance coverage that the Company maintains. However, such insurance may not cover any, or may cover only a portion of, the amounts the Company may be required to pay. In addition, the Company may not be able to maintain such insurance coverage in the future.

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Except for the historical information contained herein, the matters addressed in this Item 2 constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Such forward-looking statements are subject to a variety of risks and uncertainties, including those discussed below under the heading “Risk Factors” and elsewhere in this Quarterly Report on Form 10-Q, that could cause actual results to differ materially from those anticipated by the Company’s management. The Private Securities Litigation Reform Act of 1995 (the “Act”) provides certain “safe harbor” provisions for forward-looking statements. All forward-looking statements made in this Quarterly Report on Form 10-Q are made pursuant to the Act. The Company undertakes no obligation to publicly release the results of any revisions to its forward-looking statements that may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unexpected events. Unless the context otherwise requires, the words “AOS,” the “Company,” “we,” “us” and “our” refer to Alpha and Omega Semiconductor Limited and its subsidiaries.

This management’s discussion should be read in conjunction with the management’s discussion included in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2014 , filed with the Securities and Exchange Commission on August 29, 2014.

Overview

We are a designer, developer and global supplier of a broad portfolio of power semiconductors. Our portfolio of power semiconductors includes over 1,400 products, and has grown rapidly with the introduction of over 150 new products during the fiscal year 2014, and over 195 and 240 new products in the fiscal years 2013 and 2012, respectively. During the nine months ended March 31, 2015 , we introduced an additional 75 new products. Our teams of scientists and engineers have developed extensive intellectual properties and technical knowledge that encompass major aspects of power semiconductors, which we believe enables us to introduce and develop innovative products to address the increasingly complex power requirements of advanced electronics. We have an extensive patent portfolio that consists of 500 patents and 190 patent applications in the United States as of March 31, 2015 . We differentiate ourselves by integrating our expertise in technology, design and advanced packaging to optimize product performance and cost. Our portfolio of products targets high-volume applications, including personal computers, flat panel TVs, LED lighting, smart phones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment.

Our business model leverages global resources, including research and development and manufacturing in the United States and Asia. Our sales and technical support teams are localized in several growing markets. We operate a 200mm wafer fabrication facility located in Hillsboro, Oregon, or the Oregon fab, which is critical for us to accelerate proprietary technology development and new product introduction and to improve our financial performance in the long run. To meet the market demand for more mature high volume products, we also utilize the wafer manufacturing capacity of selected third party foundries. For assembly and test, we primarily rely upon our in-house facilities in China while utilizing selected subcontracting partners for industry standard packages. We believe our in-house packaging and testing capability provides us with a competitive advantage in proprietary packaging technology, product quality, cost and cycle time.

During the three months ended March 31, 2015, we released two new MOSFETs optimized for battery protection applications which are the latest additions to our state-of-the-art AlphaDFN™ package portfolio. These devices are specifically targeting one and two cells portable battery pack applications. During the three months ended December 31, 2014, we launched new generation EZBuck(TM) regulator in a thermally enhanced package. The device offers a low on-resistance power stage in a thermally enhanced 3mm x 3mm DFN package, allowing cooler power conversion for a variety of consumer electronics applications such as LCD TVs, set-top-boxes, as well as DVD players and recorders. We also introduced new 40V 0.99mOhm MOSFET in a DFN5x6 package during the three months ended December 31, 2014. The device is to address a wide range of applications including primary-side and secondary-side switching in telecom and industrial DC/DC converters, secondary-side synchronous rectification in DC/DC and AC/DC converters, as well as POL modules for telecom systems. During the three months ended September 30, 2014, we rolled out new family of 25-V and 30-V high performance MOSFETs in compact 3 x 3mm DFN packages. These devices are ideally suited for a variety of DC/DC step-down conversion solutions for personal computing, gaming, servers, and telecom/datacom applications. We also enhanced the EZPower(TM) smart load switch portfolio with rapid turn-off fault protection and current monitoring. The device has an operating input voltage range from 5-V to 16-V and is capable of supplying up to 6A of continuous current. A low on-resistance of 23mΩ in a thermally enhanced 3mm x 3mm DFN package makes the AOZ1363 optimal for space-constrained applications that require circuit protection such as the latest notebook PCs, hot swap supplies and micro servers.

Factors affecting our performance

Our performance is affected by several key factors, including the following:

The global, regional economic and PC market conditions : Because our products primarily serve consumer electronic applications, a deterioration of the global and regional economic conditions could materially affect our revenue and results of operations. In particular, because a significant amount of our revenue is derived from sales of products in the personal computing ("PC") markets, such as notebooks, motherboards and notebook battery packs, a significant decline or downturn in the PC markets can have a material adverse effect on our revenue and results of operations. Our revenue from the PC markets accounted for approximately 47.3% and 42.8% of our total revenue for the three months ended March 31, 2015 and 2014 , respectively, and 47.1% and 44.7% for the nine months ended March 31, 2015 and 2014 , respectively. Since the beginning of calendar year 2013, we have experienced a significant global decline in the PC markets due to continued growth of demand in tablets and smart phones, worldwide economic conditions and the industry inventory correction which had and may continue to have a material negative impact on the demand for our products, revenue, factory utilization, gross margin, our ability to resell excess inventory, and other performance measures.

In response to this trend, we have been executing and are continuing to execute strategies to diversify our product portfolio and penetrate other market segments, such as the consumer, communication and industrial market segments, which we believe will mitigate and eventually overcome the reduced demand resulting from the declining PC markets. As we develop and sell new products that serve more diversified markets, we expect that sales based on the PC markets, as a percentage of the total revenue, will continue to decline. However, if the rate of decline in the PC markets is faster than we expect, or if we cannot successfully diversify or introduce new products to keep pace with the declining PC markets, we may not be able to alleviate its negative impact, which will adversely affect our results of operations.

Manufacturing costs : Our gross margin is affected by our manufacturing costs, including utilization of our own manufacturing facilities, pricing of wafers from other foundries and semiconductor raw materials, which may fluctuate from time to time largely due to the market demand and supply. Capacity utilization affects our gross margin because we have certain fixed costs associated with our in-house packaging and testing facilities and our Oregon fab. If we are unable to utilize the capacity of our in-house manufacturing facilities at a desired level, our gross margin may be adversely affected. In addition, the continuing decline of the PC markets as discussed above contributed to a reduced level of capacity utilization at our manufacturing facilities. If we are not able to mitigate the negative impact of the declining PC markets, we may not be able to improve our factory utilization or offset the increasing manufacturing costs, which could have a material adverse effect on our gross margin.

Erosion of average selling price: Erosion of average selling prices of established products is typical in our industry. Consistent with this historical trend, we expect that average selling prices of our existing products will continue to decline in the future. However, in the normal course of business, we seek to offset the effect of declining average selling prices by introducing new and higher value products, expanding existing products for new applications and new customers, and reducing the manufacturing cost of existing products.

Product introductions and customers' product requirements: Our success depends on our ability to introduce products on a timely basis that meet or are compatible with our customers' specifications and performance requirements. Both factors, timeliness of product introductions and conformance to customers' requirements, are important in securing design wins with our customers. We have introduced new mid- and high-voltage products as part of our business strategy to diversify our product portfolios and penetrate new markets such as the power supply and industrial markets. As we accelerate the development of new technology platforms, we expect to increase the pace at which we introduce new products and obtain design wins. Our failure to introduce new products on a timely basis that meet customers' specifications and performance requirements and our inability to continue to expand our serviceable markets could adversely affect our financial performance, including loss of market share with customers.

Distributor ordering patterns and seasonality : Our distributors place purchase orders with us based on their forecasts of end customer demand, and this demand may vary significantly depending on the sales outlooks and market and economic conditions of end customers. Because these forecasts may not be accurate, channel inventory held at our distributors may fluctuate significantly, which in turn may prompt distributors to make significant adjustments to their purchase orders placed with us. As a result, our revenue and operating results may fluctuate significantly from quarter to quarter. In addition, because our products are used in consumer electronics products, our revenue is subject to seasonality. Our sales seasonality is affected by numerous factors, including global and regional economic conditions as well as the PC market conditions, revenue generated from new products, changes in distributor ordering patterns in response to channel inventory adjustments and end customer demand for our products and fluctuations in consumer purchase patterns prior to major holiday seasons. In recent periods, broad fluctuations in

the semiconductor markets and the global and regional economic conditions, and in particular the decline of the PC market conditions, have had a more significant impact on our results of operations than seasonality.

Principal line items of statements of operations

The following describes the principal line items set forth in our condensed consolidated statements of operations:

Revenue

We generate revenue primarily from the sale of power semiconductors, consisting of power discretes and power ICs. Historically, a majority of our revenue was derived from power discrete products and a smaller amount was derived from power IC products. Because our products typically have three-year to five-year life cycles, the rate of new product introduction is an important driver of revenue growth over time. We believe that expanding the breadth of our product portfolio is important to our business prospects, because it provides us with an opportunity to increase our total bill-of-materials within an electronic system and to address the power requirements of additional electronic systems. In addition, a small percentage of our total revenue is generated by providing packaging and testing services to third-parties through one of our subsidiaries.

Our product revenue includes the effect of the estimated stock rotation returns and price adjustments that we expect to provide to our distributors. Stock rotation returns are governed by contract and are limited to a specified percentage of the monetary value of products purchased by the distributor during a specified period. At our discretion or upon our direct negotiations with the original design manufacturers ("ODMs") or original equipment manufacturers ("OEMs"), we may elect to grant special pricing that is below the prices at which we sold our products to the distributors. We estimate for the price adjustments for inventory at the distributors based on factors such as distributor inventory levels, pre-approved future distributor selling prices, distributor margins and demand for our products.

Cost of goods sold

Our cost of goods sold primarily consists of costs associated with semiconductor wafers, packaging and testing, personnel, including share-based compensation expense, overhead attributable to manufacturing, operations and procurement, and cost associated with yield improvements, capacity utilization, warranty and inventory reserves. As the volume of sales increases, we expect cost of goods sold to increase. We implemented a process to improve our factory capacity utilization rates by transferring more wafer production to our Oregon fab and reducing our reliance on outside foundries. While our utilization rates cannot be immune to market conditions, our goal is to make such rates less vulnerable to market fluctuations. We believe our market diversification strategy and product growth will drive higher volumes of manufacturing which will improve our factory utilization rates and gross margin in the long run.

Operating expenses

Our operating expenses consist of research and development, selling, general and administrative expenses. We expect our operating expenses as a percentage of revenue to fluctuate from period to period as we continue to exercise cost control measures in response to the declining PC markets as well as align our operating expenses to the revenue level.

Research and development expenses. Our research and development expenses consist primarily of salaries, bonuses, benefits, share-based compensation expense, expenses associated with new product prototypes, travel expenses, fees for engineering services provided by outside contractors and consultants, amortization of software and design tools, depreciation of equipment and overhead costs for research and development personnel. We continue to invest in developing new technologies and products utilizing our own fabrication and packaging facilities as it is critical to our long-term success. We also evaluate appropriate investment levels and stay focused on new product introductions to improve our competitiveness. We expect that our research and development expenses will fluctuate from time to time.

Selling, general and administrative expenses. Our selling, general and administrative expenses consist primarily of salaries, bonuses, benefits, share-based compensation expense, product promotion costs, occupancy costs, travel expenses, expenses related to sales and marketing activities, amortization of software, depreciation of equipment, maintenance costs and other expenses for general and administrative functions as well as costs for outside professional services, including legal, audit and accounting services. We expect our selling, general and administrative expenses to fluctuate in the near future as we continue to exercise cost control measures in response to the declining PC markets.

Income tax expense

We are subject to income taxes in various jurisdictions. Significant judgment and estimates are required in determining our worldwide income tax expense. The calculation of tax liabilities involves dealing with uncertainties in the application of complex tax regulations of different jurisdictions globally. We establish accruals for potential liabilities and contingencies based on a more likely than not threshold to the recognition and de-recognition of uncertain tax positions. If the recognition threshold is met, the applicable accounting guidance permits us to recognize a tax benefit measured at the largest amount of tax benefit that is more likely than not to be realized upon settlement with a taxing authority. If the actual tax outcome of such exposures is different from the amounts that were initially recorded, the differences will impact the income tax and deferred tax provisions in the period in which such determination is made. Changes in the location of taxable income (loss) could result in significant changes in our income tax expense.

We record a valuation allowance against deferred tax assets if it is more likely than not that a portion of the deferred tax assets will not be realized, based on historical profitability and our estimate of future taxable income in a particular jurisdiction. Our judgments regarding future taxable income may change due to changes in market conditions, changes in tax laws, tax planning strategies or other factors. If our assumptions and consequently our estimates change in the future, the deferred tax assets may increase or decrease, resulting in corresponding changes in income tax expense. Our effective tax rate is highly dependent upon the geographic distribution of our worldwide profits or losses, the tax laws and regulations in each geographical region where we have operations, the availability of tax credits and carry-forwards and the effectiveness of our tax planning strategies.

Results of Operations

The following tables set forth statements of operations, also expressed as a percentage of revenue, for the three and nine months ended March 31, 2015 and 2014 . Our historical results of operations are not necessarily indicative of the results for any future period.



	Three Months Ended March 31,										Nine Months Ended March 31,
	2015			2014			2015		2014		2015			2014			2015		2014
	(in thousands)						(% of revenue)				(in thousands)						(% of revenue)
Revenue	$	76,918		$	75,405		100.0	%	100.0	%	$	246,463		$	235,791		100.0	%	100.0	%
Cost of goods sold	64,154			63,095			83.4	%	83.7	%	200,297			192,711			81.3	%	81.7	%
Gross profit	12,764			12,310			16.6	%	16.3	%	46,166			43,080			18.7	%	18.3	%
Operating expenses
Research and development	6,929			5,977			9.0	%	7.9	%	20,155			17,796			8.2	%	7.5	%
Selling, general and administrative	9,219			9,256			12.0	%	12.3	%	27,958			25,505			11.3	%	10.8	%
Total operating expenses	16,148			15,233			21.0	%	20.2	%	48,113			43,301			19.5	%	18.3	%
Operating loss	(3,384		)	(2,923		)	(4.4	)%	(3.9	)%	(1,947		)	(221		)	(0.8	)%	(0.1	)%
Interest income and other, net	18			52			—	%	0.1	%	92			90			—	%	—	%
Interest expense	(41		)	(62		)	—	%	(0.1	)%	(157		)	(210		)	(0.1	)%	(0.1	)%
Loss before income taxes	(3,407		)	(2,933		)	(4.4	)%	(3.9	)%	(2,012		)	(341		)	(0.8	)%	(0.1	)%
Income tax expense	698			361			0.9	%	0.5	%	2,826			2,486			1.1	%	1.1	%
Net loss	$	(4,105	)	$	(3,294	)	(5.3	)%	(4.4	)%	$	(4,838	)	$	(2,827	)	(2.0	)%	(1.2	)%

Share-based compensation expense was allocated as follow:



	Three Months Ended March 31,								Nine Months Ended March 31,
	2015		2014		2015		2014		2015		2014		2015		2014
	(in thousands)				(% of revenue)				(in thousands)				(% of revenue)
Cost of goods sold	$	167	$	119	0.2	%	0.2	%	$	495	$	457	0.2	%	0.2	%
Research and development	43		221		0.1	%	0.3	%	542		484		0.2	%	0.2	%
Selling, general and administrative	730		521		0.9	%	0.7	%	2,282		1,234		0.9	%	0.5	%
Total	$	940	$	861	1.2	%	1.2	%	$	3,319	$	2,175	1.3	%	0.9	%

Revenue

The following is a summary of revenue by product type:



	Three Months Ended March 31,								Nine Months Ended March 31,
	2015		2014		Change				2015		2014		Change
	(in thousands)				(in thousands)		(in percentage)		(in thousands)				(in thousands)			(in percentage)
Power discrete	$	59,181	$	58,563	$	618	1.1	%	$	185,275	$	182,654	$	2,621		1.4	%
Power IC	13,719		12,844		875		6.8	%	48,984		39,682		9,302			23.4	%
Packaging and testing services	4,018		3,998		20		0.5	%	12,204		13,455		(1,251		)	(9.3	)%
	$	76,918	$	75,405	$	1,513	2.0	%	$	246,463	$	235,791	$	10,672		4.5	%

Total revenue was $76.9 million for the three months ended March 31, 2015 , an increase of $1.5 million , or 2.0% , as compared to $75.4 million for the same period last year. The increase primarily consisted of $0.6 million and $ 0.9 million increase in sales of power discrete products and sales of power IC products, respectively. The increase in power discrete and power IC products was primarily due to a 14.0% increase in unit shipments, partially offset by a 10.4% decrease in average selling price as compared to the same period of last year mainly due to selling price erosion in the computing and consumer markets, and to a lesser extent, a shift in product mix. The revenue of packaging and testing services for the three months ended March 31, 2015 and 2014 remained flat.

Total revenue was $246.5 million for the nine months ended March 31, 2015 , an increase of $10.7 million , or 4.5% , as compared to $235.8 million for the same period last year. The increase consisted of $2.6 million and $9.3 million increase in sales of power discrete products and sales of power IC products, partially offset by a $1.3 million decrease in sales of packaging and testing services. The increase in power discrete and power IC products was primarily due to a 12.7% increase in unit shipments, partially offset by a 6.5% decrease in average selling price as compared to the same period of last year mainly due to selling price erosion in the computing and consumer markets and to a lesser extent, a shift in product mix. The decrease in revenue of packaging and testing services for the nine months ended March 31, 2015 as compared to the same period last year was primarily due to reduced demand as a result of the declining PC markets.

Cost of goods sold and gross profit



	Three Months Ended March 31,										Nine Months Ended March 31,
	2015			2014			Change				2015			2014			Change
	(in thousands)						(in thousands)		(in percentage)		(in thousands)						(in thousands)		(in percentage)
Cost of goods sold	$	64,154		$	63,095		$	1,059	1.7	%	$	200,297		$	192,711		$	7,586	3.9	%
Percentage of revenue	83.4		%	83.7		%					81.3		%	81.7		%

Gross profit	$	12,764		$	12,310		$	454	3.7	%	$	46,166		$	43,080		$	3,086	7.2	%
Percentage of revenue	16.6		%	16.3		%					18.7		%	18.3		%

Cost of goods sold was $64.2 million for the three months ended March 31, 2015 , an increase of $1.1 million , or 1.7% , as compared to $63.1 million for the same period last year, primarily due to increased unit shipments. The increase was partially offset by the overall manufacturing cost reduction due to improved factory utilization and continued cost control efforts as compared to the same period last year. Gross margin increased slightly by 0.3 percentage point to 16.6% for the three months ended March 31, 2015 as compared to 16.3% for the same period last year. The slight increase in gross margin was primarily due to higher factory utilization and continued cost control efforts during the three months ended March 31, 2015 , partially offset by decreased average selling price primarily due to price erosion during the three months ended March 31, 2015 .

Cost of goods sold was $200.3 million for the nine months ended March 31, 2015 , an increase of $7.6 million , or 3.9% , as compared to $192.7 million for the same period last year, primarily due to increased unit shipments. The increase was partially offset by the overall manufacturing cost reduction due to improved factory utilization and continued cost control efforts as compared to the same period last year. Gross margin increased slightly by 0.4 percentage point to 18.7% for the nine months ended March 31, 2015 as compared to 18.3% for the same period last year. The slight increase in gross margin was primarily due to higher factory utilization and continued cost control efforts during the nine months ended March 31, 2015 , partially offset by decreased average selling price primarily due to price erosion during the nine months ended March 31, 2015 .

Research and development expenses



	Three Months Ended March 31,								Nine Months Ended March 31,
	2015		2014		Change				2015		2014		Change
	(in thousands)				(in thousands)		(in percentage)		(in thousands)				(in thousands)		(in percentage)
Research and development	$	6,929	$	5,977	$	952	15.9	%	$	20,155	$	17,796	$	2,359	13.3	%

Research and development expenses were $6.9 million for the three months ended March 31, 2015 , an increase of $1.0 million , or 15.9% , as compared to $6.0 million for the same period last year. The increase was primarily attributable to a $1.1 million increase in product prototyping engineering expenses, and a $0.1 million increase in employee compensation expenses and benefits, partially offset by a $0.2 million decrease in share-based compensation expenses mainly due to increased cancellation of stock options and restricted share unit awards related to the resignation of our Chief Technology Officer during the current period.

Research and development expenses were $20.2 million for the nine months ended March 31, 2015 , an increase of $2.4 million , or 13.3% , as compared to $17.8 million for the same period last year. The increase was primarily attributable to a $2.4 million increase in product prototyping engineering expenses, and a $0.3 million increase in employee compensation and benefits mainly due to the severance payment related to the resignation of our Chief Technology Officer during the current period, partially offset by a $0.2 million decrease in depreciation and amortization expense as a result of increased fully depreciated assets. We continue to evaluate and invest resources in developing new technologies and products utilizing our own fabrication and packaging facilities. We expect our research and development expenses to continue to fluctuate from time to time.

Selling, general and administrative expenses



	Three Months Ended March 31,									Nine Months Ended March 31,
	2015		2014		Change					2015		2014		Change
	(in thousands)				(in thousands)			(in percentage)		(in thousands)				(in thousands)		(in percentage)
Selling, general and administrative	$	9,219	$	9,256	$	(37	)	(0.4	)%	$	27,958	$	25,505	$	2,453	9.6	%

Selling, general and administrative expenses were $9.2 million and $9.3 million for the three months ended March 31, 2015 and 2014, respectively. The slight decrease was primarily due to a $0.5 million decrease in unrealized foreign exchange losses mainly due to our cash and cash equivalents denominated in Renminbi or RMB, held by our subsidiaries in China, caused by the depreciation of USD against RMB for current quarter over prior year same quarter, and $0.1 million decrease in consulting expenses due to decreased consulting activities, as well as a $0.1 million decrease in depreciation and amortization expense as a result of certain assets being fully depreciated in fiscal year of 2014. These decreases were offset by a $0.5 million increase in employee compensation and benefits mainly due to increased headcount during the current quarter, and a $0.2 million increase in share-based compensation expense primarily as a result of an increase of stock awards granted and a decrease of cancellations during the current period.

Selling, general and administrative expenses were $28.0 million for the nine months ended March 31, 2015 , an increase of $2.5 million , or 9.6% , as compared to $25.5 million for the same period last year. The increase was primarily due to a $1.9 million increase in employee compensation and benefits mainly as a result of increased headcount during the current period, a $1.0 million increase in share-based compensation expense primarily as a result of an increase of stock awards granted and a decrease of cancellations during the current period, and a $0.4 million in recovery of doubtful accounts in the same period of last year as a result of continued effort in collection from a service customer. These increases were partially offset by a $0.4 million decrease in unrealized foreign exchange losses mainly due to recent depreciation of USD against RMB, a $0.1 million decrease legal expenses due to a reduction of consulting related activities and a $0.1 million decrease in depreciation and amortization expense as a result of certain assets being fully depreciated in fiscal year of 2014.

Interest income and expenses

Interest income was primarily related to interest earned from cash and cash equivalents. The increase in interest income during the three and the nine months ended March 31, 2015 as compared to the same periods last year was primarily due to the increase in average cash balances.

Interest expense was primarily related to bank borrowings. The decrease in interest expenses during the three and the nine months ended March 31, 2015 was primarily due to a decrease in bank borrowings related to the $20.0 million term loan obtained in May 2012 for working capital of our Oregon fab.

Income tax expense



	Three Months Ended March 31,								Nine Months Ended March 31,
	2015		2014		Change				2015		2014		Change
	(in thousands)				(in thousands)		(in percentage)		(in thousands)				(in thousands)		(in percentage)
Income tax expense	$	698	$	361	$	337	93.4	%	$	2,826	$	2,486	$	340	13.7	%

We recognized income tax expense of approximately $0.7 million and $0.4 million for the three months ended March 31, 2015 and 2014 , respectively and approximately $2.8 million and $2.5 million for the nine months ended March 31, 2015 and 2014 , respectively.

The tax expense for the three and nine months ended March 31, 2015 was higher than the tax expense for the same periods last year primarily due to the changes in the mix of earnings in various geographic jurisdictions between the current and same periods of last year as well as a decrease in the recognition of previously unrecognized tax benefits following the lapse of the applicable statute of limitations between the respective periods.

Liquidity and Capital Resources

Our principal need for liquidity and capital resources is to maintain sufficient working capital to support our operations and to invest adequate capital expenditures to fuel the growth of our business. Currently, we primarily financed our operations and capital expenditures through funds generated from operations.

On May 11, 2012, we entered into a loan agreement with a financial institution that provides a term loan of $20.0 million for general purposes and a $10.0 million non-revolving credit line for the purchase of equipment. Both the term loan and equipment credit line will be fully repayable in May 2015. The borrowings may be made in the form of either Eurodollar loans or Base Rate loans. Eurodollar loans accrue interest based on an adjusted London Interbank Offer Rate ("LIBOR") as defined in the agreement, plus a margin of 1.00% to 1.75%. Base Rate loans accrue interest at the highest of (a) the lender's Prime Rate, (b) the Federal Funds Rate plus 0.5% and (c) the Eurodollar Rate (for a one-month interest period) plus 1%; plus a margin of -0.5% to 0.25%. The applicable margins for both Eurodollar loans and Base Rate loans will vary from time to time in the foregoing ranges based on the cash and cash equivalent balances maintained by us and our subsidiaries with the lender. In May 2013, the equipment credit line expired and there was no outstanding balance. As of March 31, 2015 , the outstanding balance of the term loan was $6.4 million .

The obligations under the term loan are secured by substantially all assets of two of our subsidiaries, including but not limited to, certain real property and related assets located at the Oregon fab. In addition, we and certain of our subsidiaries have agreed to guarantee full repayment and performance of the obligations under the loan agreement. The loan agreement contains customary restrictive covenants and certain financial covenants that require us to maintain on a consolidated basis specified financial ratios including total liabilities to tangible net worth, fixed charge coverage and current assets to current liabilities. As of March 31, 2015 , we were in compliance with these covenants.

During July 2012, the Company entered into a loan agreement with the State of Oregon for an amount of $0.3 million . The loan was required to be used for training new and re-training existing employees of the Oregon fab. The loan bore a compound annual interest rate of 5.0% and was to be repaid in April 2014 if the required conditions were not met. In September 2014, the State of Oregon forgave the outstanding balance in full as we had satisfied the conditions. The $0.3 million forgiven loan was recorded as a reduction of costs of goods sold in our condensed consolidated statements of operations.

On May 8, 2014, our Board of Directors approved to reactivate our share repurchase program which was originally authorized on October 22, 2010 for a total amount of $25.0 million. The Board authorized management to repurchase, subject to oversight by the Board, our common shares up to the remaining balance of the program, or $22.7 million. During the three months ended March 31, 2015, we repurchased a total of 449,247 shares from the open market for a total cost of approximately $4.0 million, at an average price of $8.85 per share under the share repurchase program. Since the inception of the program in 2010, we repurchased an aggregate of 810,611 shares from the open market for a total cost of $7.2 million, at an average price of $8.84 per share. Shares repurchased are accounted for as treasury shares and the total cost of shares repurchased is recorded as a reduction of shareholders' equity. In April 2015, our Board of Directors approved an increase in the remaining available amount under the Company’s share repurchase program from approximately $17.8 million to $50.0 million . The repurchases will be made from the open market pursuant to a pre-established Rule 10b5-1 trading plan or through privately negotiated transactions. The amount and timing of any repurchases will depend on a number of factors, including but not limited to, the trading price, volume and availability of our common shares, applicable legal requirements, our business and financial conditions and general market environment. There is no guarantee that any repurchases under the Program will be made or that such repurchases would enhance the value of our shares.

We believe that our current cash and cash equivalents and cash flows from operations will be sufficient to meet our anticipated cash needs, including working capital and capital expenditures, for at least the next twelve months. We may require additional capital due to changing business conditions or other future developments, including any investments or acquisitions we may decide to pursue. If our cash is insufficient to meet our needs, we may seek to raise capital through equity or debt financing. The sale of additional equity securities could result in dilution to our shareholders. The incurrence of indebtedness would result in increased debt service obligations and may include operating and financial covenants that would restrict our operations. We cannot be certain that any financing will be available in the amounts we need or on terms acceptable to us, if at all.

Cash and cash equivalents

As of March 31, 2015 and 2014 , we had $112.9 million and $110.6 million of cash and cash equivalents, respectively. Our cash and cash equivalents primarily consisted of cash on hand and short-term bank deposits with original maturities of three months or less.

The following table shows our cash flows from operating, investing and financing activities for the periods indicated:



	Nine Months Ended March 31,
	2015			2014
	(in thousands)
Net cash provided by operating activities	$	17,722		$	26,961
Net cash used in investing activities	(12,530		)	(6,217		)
Net cash used in financing activities	(10,000		)	(2,505		)
Effect of exchange rate changes on cash and cash equivalents	(49		)	(11		)

Net increase (decrease) in cash and cash equivalents	$	(4,857	)	$	18,228

Cash flows from operating activities

Net cash provided by operating activities of $17.7 million for the nine months ended March 31, 2015 resulted primarily from net loss of $4.8 million , non-cash charges of $23.9 million , and net change in assets and liabilities using net cash of $1.4 million . The non-cash charges of $23.9 million included $20.8 million of depreciation and amortization expenses and $3.3 million of share-based compensation expense, partially offset by a $0.3 million of forgiveness of the loan from the State of Oregon during the period. The net change in assets and liabilities using net cash of $1.4 million was primarily due to a $5.0 million decrease in accounts payable mainly due to timing of payment, a $0.9 million increase in other current and long term assets primarily due to increase in advance payments to vendors, a $0.8 million decrease in income taxes payable, as well as a $0.4 million decrease in accrued and other liabilities, partially offset by a $5.6 million decrease in accounts receivable due to the timing of billings and collection of payments, and a $0.2 million decrease in inventories as we reduced our inventories.

Net cash provided by operating activities of $27.0 million for the nine months ended March 31, 2014 resulted primarily from net loss of $2.8 million, non-cash charges of $23.5 million, and net change in assets and liabilities providing net cash of $6.3 million. The non-cash charges of $23.5 million included $20.9 million of depreciation and amortization expenses, $2.2 million of share-based compensation expense, and $1.0 million of net deferred income taxes, partially offset by $0.4 million on allowance for doubtful account and $0.1 million of gain on disposal of property and equipment during the period. The net change in assets and liabilities providing net cash of $6.3 million was primarily due to a $1.5 million decrease in accounts receivable due to the timing of billings and collection of payments, a $8.5 million decrease in inventories as we reduced building up our inventories, a $2.1 million increase in accrued and other liabilities, partially offset by a $3.7 million decrease in accounts payable primarily due to decrease in inventory purchase and timing of payment, a $1.1 million decrease in income taxes payable, and $1.0 million increase in other current and long term assets primarily due to increase in advance payments to vendors.

Cash flows from investing activities

Net cash used in investing activities of $12.5 million for the nine months ended March 31, 2015 was primarily attributable to purchase of property and equipment of $12.6 million to increase our in-house production capacity.

Net cash used in investing activities of $6.2 million for the nine months ended March 31, 2014 was primarily attributable to purchase of property and equipment of $6.5 million to increase our in-house production capacity, partially offset by $0.2 million proceeds from sale of property and equipment during the period.

Cash flows from financing activities

Net cash used in financing activities of $10.0 million for the nine months ended March 31, 2015 was primarily attributable to $7.1 million of repayment of our borrowings, $4.0 million for repurchase of common shares, and $0.8 million in payment of capital lease obligations, partially offset by $1.9 million of proceeds from exercise of stock options and issuance of shares under the ESPP.

Net cash used in financing activities of $2.5 million for the nine months ended March 31, 2014 was primarily attributable to $2.9 million of repayment of our borrowings and $0.9 million in payment of capital lease obligations, partially offset by $1.3 million of proceeds from exercise of stock options and issuance of shares under the ESPP.

Capital expenditures

Capital expenditures were $12.6 million and $6.5 million for the nine months ended March 31, 2015 and 2014 , respectively. Our capital expenditures primarily consisted of purchases of equipment for our packaging and testing services and for our Oregon fab as well as for upgrading our operational and financial systems. The increase in capital expenditure was primarily due to the additional purchases of equipment and assets to improve our technology and support our new product introductions to fuel business growth.

Commitments

As of March 31, 2015 and June 30, 2014 , we had approximately $31.6 million and $34.5 million , respectively, of outstanding purchase commitments primarily for purchases of semiconductor raw materials, wafers, spare parts and packaging and testing services.

As of March 31, 2015 and June 30, 2014 , we had approximately $5.8 million and $4.6 million , respectively, of capital commitments for the purchase of property and equipment.

Off-Balance Sheet Arrangements

As of March 31, 2015 , we had no material off-balance sheet arrangements as defined in Regulation S-K 303(a)(4)(ii) arrangements.

Recent Accounting Pronouncements

See Note 1 of the Notes to the Condensed Consolidated Financial Statements contained in this Quarterly Report on Form 10-Q for a description of recent accounting pronouncements, including the expected dates of adoption and estimated effects on results of operations and financial condition, which is incorporated herein by reference.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There have been no material changes in the market risks previously disclosed in Part II, Item 7A, "Quantitative and Qualitative Disclosures About Market Risk," of our Annual Report on Form 10-K for the year ended June 30, 2014 , filed with the SEC on August 29, 2014.

ITEM 4. CONTROLS AND PROCEDURES

Management's Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended, (the “Exchange Act”)), as of the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures as of March 31, 2015 have been designed and are functioning effectively to provide reasonable assurance that the information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC's rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Control Over Financial Reporting

On May 14, 2013, the Committee of Sponsoring Organizations of the Treadway Commission (COSO) issued an updated version of its Internal Control - Integrated Framework, referred to as the 2013 COSO Framework and has indicated that after December 15, 2014, the 1992 Framework would be considered superseded. The 2013 Framework helps organizations design and implement internal control in light of many changes in business and operating environments since the issuance of the original Framework, broadens the application of internal control in addressing operations and reporting objectives, and clarifies the requirements for determining what constitutes effective internal control. We adopted the 2013 Framework in the quarter ended December 31, 2014.

There were no significant changes in our internal control over financial reporting during the three and nine months ended March 31, 2015 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Limitation on Effectiveness of Controls

While our disclosure controls and procedures and internal control over financial reporting are designed to provide reasonable assurance that their respective objectives will be met, we do not expect that our disclosure controls and procedures or our internal control over financial reporting are or will be capable of preventing or detecting all errors and all fraud. Any control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system's objectives will be met.

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

We are currently not a party to any material legal proceedings. We have in the past, and may from time to time in the future, become involved in legal proceedings arising from the normal course of business activities. The semiconductor industry is characterized by frequent claims and litigation, including claims regarding patent and other intellectual property rights as well as improper hiring practices. Irrespective of the validity of such claims, we could incur significant costs in the defense thereof or could suffer adverse effects on its operations.

ITEM 1A. RISK FACTORS

Item 1A of Part I of our Annual Report on Form 10-K for the year ended June 30, 2014, filed with the SEC on August 29, 2014, contains risk factors identified by the Company. There have been no material changes to the risk factors we previously disclosed. Our operations could also be affected by additional factors that are not presently known to us or by factors that we currently consider immaterial to our business.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The following table sets for the share repurchases under this program during the third fiscal quarter ended March 31, 2015.



Period	Total Number of Shares (or Units) Purchased	Average Price Paid per Share (or Unit)		Total Number of Shares (or Units) Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) of Shares (or Units) that May Be Purchased Under the Plans or Programs
January 1, 2015 to January 31, 2015	—		—	—
February 1, 2015 to February 28, 2015	328,387	$	8.84	328,387
March 1, 2015 to March 31, 2015	120,860	$	8.90	120,860
Total repurchase during the three months ended March 31, 2015	449,247	$	8.85	449,247	$	17,836,000

In April 2015, our Board of Directors approved an increase in the remaining available amount under the Company’s share repurchase program from approximately $17.8 million to $50.0 million. The repurchases will be made from the open market pursuant to a pre-established Rule 10b5-1 trading plan or through privately negotiated transactions. The amount and timing of any repurchases will depend on a number of factors, including but not limited to, the trading price, volume and availability of our common shares, applicable legal requirements, our business and financial conditions and general market environment. There is no guarantee that any repurchases under the Program will be made or that such repurchases would enhance the value of our shares.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

Not applicable.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

Not applicable.

ITEM 6. EXHIBITS



10.1	Separation Agreement, dated as of March 26, 2015, between the Company and Dr. Hamza Yilmaz (incorporated by reference to Exhibit 10.1 from Registration Statement on Form 8-K (File No. 001-34717) filed with the Commission on March 27, 2015).
31.1	Certification of Chief Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	XBRL Instance
101.SCH	XBRL Taxonomy Extension Schema
101.CAL	XBRL Taxonomy Extension Calculation
101.DEF	XBRL Taxonomy Extension Definition
101.LAB	XBRL Taxonomy Extension Labels
101.PRE	XBRL Taxonomy Extension Presentation

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

May 7, 2015



ALPHA AND OMEGA SEMICONDUCTOR LIMITED

By:	/s/ YIFAN LIANG
	Yifan Liang
	Chief Financial Officer and Corporate Secretary
	(Principal Financial Officer)

TABLE OF CONTENTS

Part I. Financial Information Item 1. Financial Statements Item 2. Management's Discussion and Analysis Of Financial Condition and Results Of Operations Item 3. Quantitative and Qualitative Disclosures About Market Risk Item 4. Controls and Procedures Part II. Other Information Item 1. Legal Proceedings Item 1A. Risk Factors Item 2. Unregistered Sales Of Equity Securities and Use Of Proceeds Item 3. Defaults Upon Senior Securities Item 4. Mine Safety Disclosures Item 5. Other Information Item 6. Exhibits

AOSL 10-Q Quarter ended March 31, 2015