X0304 4 2012-02-17 0000808326 EMCORE CORP EMKR 0001511517 Wang Xinqiao 10420 RESEARCH ROAD SE ALBUQUERQUE NM 87123 1 Exec. VP, China Operations Emcore Common Stock 2012-02-17 4 S 0 742 D 16102 D Emcore Common Stock 430 I By Spouse In 401(k) Emcore Common Stock 3333 I By Trust 401(k) Reflects aggregate reporting of multiple open market transactions. The price reported is the weighted average sale price of sales ranging from $5.44 to $5.55 per share. The reporting person hereby undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each price. Includes 10,000 shares of restricted stock granted under the Company's 2010 Equity Incentive Plan, vesting in two equal annual installments beginning on January 28, 2013. Shares attributable to EMCORE Corporation 401(k) account as of December 31, 2011. /s/ Xinqiao Wang 2012-02-22