ADVISORY/Optibase to Unveil Two New Products for the Digital Video Broadcasting Industry At NAB; Third Generation MediaPump and VideoPump HD on Display and Demonstrated at Booth #S7223.

Business Editors, High-Tech Writers

NAB 2002 (Booth #S7223)

ADVISORY...April 8-11 (Monday-Thursday)

--(BUSINESS WIRE)--March 21, 2002

Optibase, Ltd. (Nasdaq:OBAS)--

      WHAT: Herzliya, Israel, Optibase, Ltd. (Nasdaq:OBAS), a leader in
        digital video streaming solutions over broadband networks,
        will announce at NAB latest MediaPump and VideoPump High
        Definition solutions that enable the digital video
        broadcasting industry to extend their product capabilities.

          The MediaPump family of DVB/PCI Multiplexer Interfaces pushes
        MPEG-2 transport stream multiplexing and throughput
        performance to new levels. MediaPump sets a new
        cost/performance benchmark by enabling greater channel density
        and high throughput rates in ad insertion, VOD and Interactive
        TV applications. VideoPump HD enables post-production and
        special effects professionals to capture and play back
        completely uncompressed high definition video. VideoPump HD
        P811 supports AES/EBU audio and embedded audio conforming to
        SMPTE 272M. Other innovative Optibase products on display
        include:


          --  MGW 3100 -- A video-over-IP rack-mounted gateway system
            that bridges digital video and high-speed data networks;
            latest release includes up to four DVB-ASI I/O channels, a
            GUI-based element management system with SNMP support and
            gigabit Ethernet optical fiber interface;

          --  MGW 2000 -- A TV streaming platform that transmits
            multiple channels of live TV and video-over-IP networks;
            latest release features scheduled encoding and streaming,
            low latency and closed-caption support; and

          --  MovieMaker 200s -- A family of half-size MPEG-1 and MPEG-2
            encoding platforms that offer a full range of video and
            audio interfaces, video resolutions, audio encoding
            formats and MPEG multiplexing capabilities.

      WHERE: NAB 2002 - The Convergence MarketPlace
          Las Vegas Convention Center
          Booth #S7223

      WHEN: April 8-11, 2002
          9:00 a.m. - 6:00 p.m. (Monday - Wednesday)
          9:00 a.m. - 4:00 p.m. (Thursday)

      WHO: Yael Paz, Director of Corporate Communications, Optibase Ltd.

      DETAILS: 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.

      NOTE: To pre-schedule a product demonstration, contact: