U.S. Securities & Exchange Commission, 6432 General Green Way, Alexandria, Va 22312

70 -- STRATA-COM PLUS + MAINTENANCE SOL SECHQ1-95-M-0310 POC Vernessa Younger, Contract Specialist, (202)942-4999, James L. Vandecar, Contracting Officer, (202)942-8640. Telephone Assistance: Telephone assistance is required 24 hours a day, 7 days per week, including holidays, with a guaranteed response time of 1 hour from the time the call is received. Personal Account Support: Account support is required from Senior Engineers familiar with our networking applications. This support must be provided on-line to assist in resolving any configuration, technical, or performance issues with our StrataCom network. These engineers must have the capability of dialing into our network and performing diagnostic checks and be empowered to work with the appropriate parties to coordinate a speedy resolution to our problem. This support is required 8:00am through 5:00pm local time with backup personal able to answer question during all other times. Automated On-line Help: Some form of software releases and revisions, technical how-to tips, specific topic search capability, and updates containing details about all known software, hardware andccess to all bug-fixes and minor software and firmware releases. This data should be available for downloading as we desire. Hardware Support: Support is required to provide shipment of replacement units within 24 hours for any of our StrataCom hardware. Technical Updates; Support is required that will provide upon our request, copies of all the latest documentation covering our StrataCom network operations, as well as, quarterly technical bulletins summarizing information about bug fixes, software releases, and common customer questions and answers. Network Planning Support; Support is required to assist in the planning and execution of hardware, software, and firmware updates to our network. In addition, the vendor must provide a yearly audit of our account activity and provide a report on any outstanding technical issues. This audit must provide a recommendation of ways for us to increase overall network efficiency. See Numbered Note(s): 22. (0006)

Loren Data Corp. http://www.ld.com (SYN# 0154 19950109\70-0005.SOL)