MRV Communications Announces Q4 Conference Call Information

MRV Communications Announces Q4 Conference Call Information

CHATSWORTH, Calif., Jan. 27 /PRNewswire-FirstCall/ -- MRV COMMUNICATIONS, INC. (NASDAQ:MRVC) today announced conference call information for its fourth quarter and year end 2004 financial results on Thursday, February 10, 2005 after the close of regular trading.

A conference call will be held at 4:30 p.m. Eastern Time/1:30 p.m. Pacific Time on Thursday, February 10, 2005.

To participate via telephone, the dial-in number is 617-801-9702, access code 66856588. Please call ten minutes prior to the scheduled conference call time. For live webcasting, please visit the MRV website at www.mrv.com/investor/.

Replay Information

A replay of the webcast will be available on the Company's website, beginning at 8:00 p.m. Eastern Time, at www.mrv.com/investor/. In addition, a replay will be available by telephone from 6:30 p.m. Eastern Time, February 10, 2005 to 6:30 p.m. Eastern Time, February 12, 2005 at 617-801-6888, access code 87311223.

About MRV Communications, Inc.

MRV provides optical ethernet access equipment and services, and optical components. MRV conducts its business along three principal segments: the networking group, the optical components group and development stage enterprises. MRV's networking group provides equipment used by commercial customers, governments and telecommunications service providers, and include switches, routers, network physical infrastructure equipment and console server equipment as well as specialized networking products for defense and aerospace applications. MRV's optical components group designs, manufactures and sells optical communications components, primarily through its wholly owned subsidiary LuminentOIC, Inc. These components include components for Fiber-to-the-Premise, or FTTP, applications, fiber optic transceivers, and CWDM applications. MRV markets and sells its products worldwide, through a variety of channels, which include a dedicated direct sales force, manufacturers' representatives, value-added-resellers, distributors and systems integrators. MRV has operations in Europe that provide network system design, integration and distribution services that include products manufactured by third-party vendors, as well as MRV products. Such specialization enhances access to customers and allows MRV to penetrate targeted vertical and regional markets. For more information, call MRV at 818-773-0900 or visit our websites at www.mrv.com and www.luminentoic.com.

For further information please contact: Investor Relations, Diana L. Hayden of MRV Communications, Inc., +1-818-886-6782, ir@mrv.com.


Source: MRV Communications, Inc.

CONTACT: Investor Relations, Diana L. Hayden of MRV Communications,
Inc., +1-818-886-6782, ir@mrv.com

Web site: http://www.luminentoic.com/

Web site: http://www.mrv.com/

Web site: http://www.mrv.com/investor


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