N. CHARLESTON, SC AND LAKELAND, FL., - February 4, 2002 - Hark Tower Systems, Inc. and TowerSentry, Inc. today announced a strategic marketing and sales relationship. Under the agreement, both Hark and TowerSentry will work to jointly market their products and service to the tower industry throughout North America. Hark and TowerSentry will also collaborate on evaluation, testing and training efforts for current and future products. Hark's equipment can monitor existing light control systems, control the lights if needed, as well as monitor other equipment alarms at the site. "We manufacture equipment that interfaces with every known lighting system." said Randy Hargenrader, CEO, Hark "Having TowerSentry provide 24/7 monitoring service serves to enhance our ability to service our customers." TowerSentry® specializes in providing tower light monitoring service. "Hark builds a "smart" device that goes beyond most monitoring equipment." said Rodger Roth, President, TowerSentry® "To adequately protect our clients, two items are needed: quality equipment and dependable monitoring personnel. The alliance between TowerSentry and Hark provide the tower owner with the best of both worlds." About Hark Tower Systems Hark Tower Systems, Inc., is a privately held corporation. Hark Systems was formed to provide equipment for segments of the wireless communication industry which include paging, specialized mobile radio (SMR), conventional mobile phone, cellular, and PCS services. Hark Systems sells its products world-wide directly with an in-house sales staff and indirectly through affiliations with major wireless equipment suppliers. Hark has equipment in use in over two dozen countries. About TowerSentry® TowerSentry® is America's number one independent tower monitoring service, serving clients 24-7 nationwide. TowerSentry® clients receive immediate fax, email or telephone notification of all strobe or beacon failures. At the same time required NOTAM's are filed with local Flight Service Stations. TowerSentry® tracks repair progress and files NOTAM extensions as needed until tower lights are working properly again. Customers receive a complete log each month recording all tower light activity for their files.