Severability of Interest, Primary and Non-Contributory. All liability policies required in [Sections 1.1(c), (d) and (f)])])] of this [Schedule 5.17] above that are maintained by the Borrower or on behalf of the Borrower shall expressly provide that all provisions thereof, except the limits of liability (which shall be applicable to all insureds as a group) shall operate in the same manner as if there were a separate policy covering each such insured and shall not contain exclusions or limitations for cross-liability (to the extent commercially available). All policies required in this [Schedule 5.17] shall not impose liability for premiums on additional insureds and shall be considered primary and non-contributory in relation to any other policies the Secured Parties may hold.