Form: EFFECT

Notice of Effectiveness

August 23, 2012

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Notice of Effectiveness

Effectiveness Date: August 23, 2012
Accession Number: 0000808326-12-000095
Submission Type: POS AM
CIK: 0000808326
Company Name: EMCORE CORP
File Number: 333-176797