[FORM 10-Q x For the quarterly period ended 2015 or o For the transition period from to SemiLEDs Corporation Delaware 20-2735523 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification Number)] [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: July EX-31.1 2 a15-12194_1ex31d1.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: July EX-31.2 3 a15-12194_1ex31d2.htm EX-31.2] [CERTIFICATION SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (1) (2) Dated: July EX-32.1 4 a15-12194_1ex32d1.htm EX-32.1] [CERTIFICATION SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (1) (2) Dated: July EX-32.2 5 a15-12194_1ex32d2.htm EX-32.2]