X0202 4 2008-01-29 1 0000808326 EMCORE CORP EMKR 0001403463 Quercus Trust 1835 NEWPORT BLVD. A109-PMB 467 COSTA MESA, CA 92627 0 0 0 1 Former 10% Owner 0001391795 Gelbaum David 1835 NEWPORT BLVD. A109-PMB 467 COSTA MESA CA 92627 0 0 0 1 Co-Trustee & Former 10% Owner 0001403417 Gelbaum Monica Chavez 1835 NEWPORT BLVD. A109-PMB 467 COSTA MESA CA 92627 0 0 0 1 Co-Trustee & Former 10% Owner Based on information provided on Issuer's Form 10-K Amendment No. 1 filed on January 28, 2008 and Form 8-K filed on February 4, 2008, the total outstanding shares of Issuer's no par value common stock ("Common Stock") as of the filing date of this Form 4 was 64,138,820 shares, causing Reporting Persons to be beneficial owners of less than 10% of Common Stock. This filing is a voluntary report of Reporting Persons' exit from "insider" status subject to Section 16. /s/ David Gelbaum, Co-Trustee, The Quercus Trust 2008-02-05 /s/ David Gelbaum, as attorney-in-fact for Monica Chavez Gelbaum, Co-Trustee, The Quercus Trust 2008-02-05