MRV Communications to Report Fourth Quarter and Fiscal Year-End of 2006 Financial Results on February 15, 2007

January 29th, 2007

CHATSWORTH, Calif., Jan. 29 -- MRV COMMUNICATIONS,
INC. (Nasdaq: MRVC), today announced that it plans to release the financial
results of its fourth quarter and fiscal year-end of 2006 on Thursday,
February 15, 2007 after the close of regular trading.

MRV will host a conference call to discuss its fourth quarter and fiscal
year-end of 2006 financial results on Thursday, February 15, 2007 at 4:30 p.m.
Eastern Time (1:30 p.m. Pacific Time). For parties in the United States and
Canada, call 800-257-2101 to access the conference call. International
parties can access the call at 303-262-2125. A financial presentation
designed to guide participants through the call will also be available. MRV
will offer its live audio broadcast of the conference call, along with the
financial presentation, on the MRV Investor website at http://ir.mrv.com. For
replay information, please visit the MRV Investor website at
http://ir.mrv.com.

About MRV Communications, Inc.

MRV Communications, Inc. ("MRV") is a leading provider of network
equipment and services, and optical components. MRV's networking business
provides equipment used by commercial customers, governments and
telecommunications service providers, and includes switches, routers, physical
layer products and out-of-band management products as well as specialized
networking products for aerospace, defense and other applications including
voice and cellular communication. MRV's optical components business provides
optical communications components for metropolitan, access and Fiber-to-the-
Premises applications, through its wholly-owned subsidiary LuminentOIC, Inc.
MRV markets and sells its products worldwide through a variety of channels,
including a dedicated direct sales force, manufacturers' representatives,
value-added-resellers, distributors and systems integrators. MRV also has
operations in Europe that provide network system design, integration and
distribution services that include products manufactured by third-party
vendors, as well as internally developed and manufactured products. Publicly
traded since 1992, MRV is listed on the NASDAQ Global Market under the symbol
MRVC. For more information about MRV and its products, please call
(818) 773-0900 or visit our websites at www.mrv.com and www.luminentoic.com.

The Blueshirt Group for MRV
Chris Danne, Rakesh Mehta
(415) 217-7722
chris@blueshirtgroup.com
rakesh@blueshirtgroup.com

Investor Relations
MRV Communications, Inc.
(818) 886-MRVC (6782)
ir@mrv.com