[AMENDMENT NO. 10 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEMILEDS CORPORATION Delaware 3674 20-2735523 3F, No.11 Ke Jung Rd., Chu-Nan Site, National Corporate Research Ltd. COPIES TO: Mark J. Lee Jeffrey D. Saper ORRICK, HERRINGTON & SUTCLIFFE LLP WILSON SONSINI GOODRICH & ROSATI Approximate date of commencement of proposed sale to the public: o o o] [December 8, 2010 SemiLEDs Corporation 3F, No. 11 Ke Jung Rd., Chu-Nan Site, Hsinchu Science Park, Chu-Nan 350, Miao-Li County, Taiwan, R.O.C. Re: Registration Statement on Form S-1 Ladies and Gentlemen: Company Commission Registration Statement Act Company Primary Shares Company Option Shares, Company Shares We are acting as counsel for SemiLEDs Corporation, a Delaware corporation (the “ Very truly yours,] [ORRICK, HERRINGTON & SUTCLIFFE LLP 51 WEST 52ND STREET tel +1-212-506-5000 fax +1-212-506-5151 WWW.ORRICK.COM SemiLEDs Corporation 3F, No. 11 Ke Jung Rd., Chu-Nan Site, Hsinchu Science Park, Chu-Nan 350, Miao-Li County, Taiwan, R.O.C. December 8, 2010 Attention: Board of Directors Ladies and Gentlemen: SemiLEDs Stock Issuance Commission Registration Statement Act We have acted as counsel to SemiLEDs Corporation (“ Officer’s] [Consent of Independent Registered Public Accounting Firm The Board of Directors and Stockholders We consent to the use of our report, dated October 26, 2010, except for the amendment to the preferred stock automatic conversion provisions discussed in Note 15, for which the date is November 20, 2010, and except for the effect of the reverse stock split described in]

[AMENDMENT NO. 9 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SEMILEDS CORPORATION Delaware 3674 20-2735523 3F, No.11 Ke Jung Rd., Chu-Nan Site, National Corporate Research Ltd. COPIES TO: Mark J. Lee Jeffrey D. Saper ORRICK, HERRINGTON & SUTCLIFFE LLP WILSON SONSINI GOODRICH & ROSATI Approximate date of commencement of proposed sale to the public: o o o] [December [8], 2010 SemiLEDs Corporation 3F, No. 11 Ke Jung Rd., Chu-Nan Site, Hsinchu Science Park, Chu-Nan 350, Miao-Li County, Taiwan, R.O.C. Re: Registration Statement on Form S-1 Ladies and Gentlemen: Company Commission Registration Statement Act Company Primary Shares Company Option Shares, Company Shares We are acting as counsel for SemiLEDs Corporation, a Delaware corporation (the “ Very truly yours,] [ORRICK, HERRINGTON & SUTCLIFFE LLP 51 WEST 52ND STREET tel +1-212-506-5000 fax +1-212-506-5151 WWW.ORRICK.COM SemiLEDs Corporation 3F, No. 11 Ke Jung Rd., Chu-Nan Site, Hsinchu Science Park, Chu-Nan 350, Miao-Li County, Taiwan, R.O.C. December [8], 2010 Attention: Board of Directors Ladies and Gentlemen: SemiLEDs Stock Issuance Commission Registration Statement Act We have acted as counsel to SemiLEDs Corporation (“ Officer’s] [Consent of Independent Registered Public Accounting Firm The Board of Directors and Stockholders We consent to the use of our report, dated October 26, 2010, except for the amendment to the preferred stock automatic conversion provisions discussed in Note 15, for which the date is November 20, 2010, and except for the effect of the reverse stock split described in]