on 3/15/99, 6/15/99, 8/15/99 and 10/15/99); Year Three (year-2000): $ [ * ] (four equal installments of $ [ * ] to be paid on 3/15/2000, 6/15/2000,8/15/2000 and 10/15/2000). 5. Show Car. Sabco agrees to provide at no expense to Prolong for its use -------- in promoting its sponsorship, five (5) free show car appearance days whereas Prolong can deem which of the Sabco show cars to use. This shall mean that Prolong may schedule any combination of Sabco's three show cars (based on availability) not to exceed a total of five show days (travel days are considered a "show date"). Sabco will provide transportation of show car and will provide an attendant to stay with the car during its display period. For any show car appearance requested by Prolong over and above the five (5) free appearances, Sabco will make available unto Prolong a show car at a discounted rate of [ * ] Dollars ($ [ * ]) per day. All travel days to and from the site of a show car appearance, as well as the actual day upon which show car is on display will be charged as a "show date". It is further understood that the parties will agree in advance upon a schedule of places and events for the show car to be displayed at such times as will not interfere with Sabco's racing schedule. 6. Media, Public Relations and Sponsor Communications. Sabco will use its -------------------------------------------------- best efforts to obtain favorable exposure for Prolong and will be available to assist Prolong with public relations activities to a reasonable extent. This shall include making members of Sabco available for media interviews, press conferences or other public relations activity, as reasonably requested by Prolong, at or near race sites on dates Sabco is at race