(a) The lease of vehicles by Service Provider to Caterpillar (the "Vehicles"). The Vehicles, safety standards and other Vehicle requirements are further described in Schedule A attached hereto;
(b) The provision of drivers (the "Drivers") and transportation services by Service Provider to Caterpillar. Additional requirements regarding Driver qualification, safety standards and other transportation services are further described in Schedule B attached hereto; and,
(c) Any other services in support of, or related to, items (a) and (b) above, which may be agreed to by the Parties from time to time if such services are described in writing, signed by both Parties arid attached to this Agreement.