ADVISORY/Optibase Demonstrates Enhanced Encoding and Streaming Platforms at National Association of Broadcasters 2003 Show.

Business Editors

ADVISORY...for Monday - Thursday (April 7-10)

NAB2003

--(BUSINESS WIRE)

-- MGW 2400 is a multi-channel Windows Media hardware streaming platform. It is designed to enable high-quality video streaming at bit rates starting as low as 64Kbps. MGW 2400 encodes up to six live channels and has the ability to stream up to 48 unicast or multicast users (with or without an external Windows Media Server). In addition to utilizing Microsoft's powerful streaming tools, MGW 2400 includes Optibase's innovative traffic shaping technology to optimize the video quality at any connection speed.

-- MPEG MovieMaker 200S Publisher VOD is compatible with CableLabs(R) VOD requirements. The new MovieMaker 200S Publisher for VOD is an addition to the company's line of high-end MPEG and Dolby Digital encoding platforms. Other enhanced features include DVB, ATSC and Dolby certification, which all support Dolby 5.1 pass through and DTV-CC EIA 708 Closed Captioning.

-- MGW 2000, Optibase's multi-channel MPEG-1 and 2 encoding and streaming platform, is designed to offer high quality, live and on-demand video content across enterprise networks. The enhanced product, version 2.9, has several new features including low latency and a traffic shaping mechanism that improves video quality at any connection speed.

    WHEN: April 7-9, 2003      April 10, 2003
          9 a.m. - 6 p.m.      9 a.m. - 4 p.m.

    WHERE: National Association of Broadcasters 2003
           Optibase booth No. SL2623
           Las Vegas Convention Center
           3150 Paradise Road
           Las Vegas, NV 89109

DETAILS: Optibase products to be demonstrated at NAB include:

-- MGW 2400 is a multi-channel Windows Media hardware streaming platform. It is designed to enable high-quality video streaming at bit rates starting as low as 64Kbps. MGW 2400 encodes up to six live channels and has the ability to stream up to 48 unicast or multicast users (with or without an external Windows Media Server). In addition to utilizing Microsoft's powerful streaming tools, MGW 2400 includes Optibase's innovative traffic shaping technology to optimize the video quality at any connection speed.

-- MPEG MovieMaker 200S Publisher VOD is compatible with CableLabs(R) VOD requirements. The new MovieMaker 200S Publisher for VOD is an addition to the company's line of high-end MPEG and Dolby Digital encoding platforms. Other enhanced features include DVB, ATSC and Dolby certification, which all support Dolby 5.1 pass through and DTV-CC EIA 708 Closed Captioning.

-- MGW 2000, Optibase's multi-channel MPEG-1 and 2 encoding and streaming platform, is designed to offer high quality, live and on-demand video content across enterprise networks. The enhanced product, version 2.9, has several new features including low latency and a traffic shaping mechanism that improves video quality at any connection speed.

Optibase Ltd. (Nasdaq:OBAS) provides high-quality, cost-effective products that enable the preparation and delivery of MPEG-based digital media over broadband networks. Optibase has created a breadth of product offerings used in applications, such as video-on-demand, real-time video streaming, digital video archiving, distance learning and business television. For further information, please visit www.optibase.com

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