[FORM 10-K (Mark One) ý For the fiscal year ended August 31, 2015 OR o For the transition period from to SemiLEDs Corporation Delaware 20-2735523 3F, No. 11 Ke Jung Rd., Chu-Nan Site, 350 +886-37-586788 Title of each class Name of each exchange on which registered Common stock, par value $0.0000056 per share The NASDAQ Stock Market None o ý] [List of Subsidiaries Name Jurisdiction of Percentage of Majority Owned Subsidiaries: SemiLEDs Optoelectronics Co., Ltd. Taiwan 100 % Helios Crew Corporation Delaware 100 % Taiwan Bandaoti Zhaoming Co., Ltd (Silicon Base Development, Inc.) Taiwan 100 % SemiLEDs International Corporation Ltd. Hong Kong 100 % Ning Xiang Technology Co., Ltd. Taiwan 93] [Consent of Independent Registered Public Accounting Firm The Board of Directors and Stockholders SemiLEDs Corporation: We consent to the incorporation by reference in the registration statement Taipei, Taiwan (the Republic of China) December 15 EX-23.1 3 a2225930zex-23_1.htm EX-23.1] [CERTIFICATION OF CHIEF EXECUTIVE OFFICER OF THE SARBANES-OXLEY ACT OF 2002 I, Trung Tri Doan, certify that: 1. 2. 3. 4. a) b) c) d) 5. a) b) Dated: EX-31.1 4 a2225930zex-31_1.htm EX-31.1] [CERTIFICATION OF CHIEF FINANCIAL OFFICER OF THE SARBANES-OXLEY ACT OF 2002 I, 1. 2. 3. 4. a) b) c) d) 5. a) b) Dated: EX-31.2 5 a2225930zex-31_2.htm EX-31.2] [CERTIFICATION SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (1) (2) Dated: EX-32.1 6 a2225930zex-32_1.htm EX-32.1] [CERTIFICATION SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (1) (2) Dated: EX-32.2 7 a2225930zex-32_2.htm EX-32.2]

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[SemiLEDs Reports Third Quarter Fiscal Year 2015 Financial Results Hsinchu, Taiwan (July 9, 2015) — Revenue for the “ On a non-GAAP basis, net loss attributable to SemiLEDs stockholders for the GAAP gross margin for the third quarter of fiscal 2015 was negative 24%, compared with gross margin for the second quarter of fiscal 2015 of negative 14%. Operating margin] []