MRV Communications to Report Nine Months and Third Quarter 2009 Financial Results on Nov. 9, 2009

MRV COMMUNICATIONS, INC. (Pink Sheets:MRVC), today announced that it plans to release financial results for the nine months and quarter ended September 30, 2009 following market close on Monday, Nov. 9, 2009 and will also host a corresponding conference call and live webcast at 5:00 p.m. Eastern time (2:00 p.m. Pacific time).

Investors may listen to the live conference call by dialing 877-941-2321 or 480-629-9714 for international parties. A live webcast of the call will be available on the Investor Relations section of the company’s website: www.mrv.com. For replay information, please visit the MRV Investor website at http://ir.mrv.com.

About MRV Communications, Inc.

MRV Communications, Inc. is a leading networking company with a full line of packet-optical transport (“POTS”), carrier Ethernet, 40G and out-of-band networking equipment, services and optical components for high-speed carrier and enterprise networks and specialized aerospace, defense and other communications networks. MRV’s networking business provides equipment for commercial customers, governments and telecommunications service providers. MRV markets and sells its products worldwide, with operations in Europe that provide network system design, integration and distribution. The Company’s optical components business which provides optical communications components for access and Fiber-to-the-Premises applications operates under the Source Photonics brand. For more information about MRV and its products, please call (818) 773-0900 or visit www.mrv.com and www.sourcephotonics.com.