MRV will host a conference call to discuss its fourth quarter and fiscal year end of 2007 financial results on Thursday, February 28, 2008 at 4:30 p.m. Eastern Time (1:30 p.m. Pacific Time). For parties in the United States and Canada, call 800-240-6709 to access the conference call. International parties can access the call at 303-275-2170. 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 Source Photonics, 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 National Market under the symbol MRVC