The exclusive right and franchise is hereby granted to the Grantee, its successors and assigns, to lay, construct, extend, maintain, renew, replace and/or repair, gas pipes and gas mains, under along and/or across any streets, avenues, roads, alleys, lanes, parks, and other public places and ways within the existing territorial limits of the City of Paris, Tennessee, (hereinafter called "City"), and within such additional areas to which such territorial limits may be extended and to use and occupy the said streets, avenues, roads, alleys, lanes, parks, and other public places and ways for the purpose of therein laying or constructing, extending, maintaining, renewing, replacing, and/or repairing mains and pipes and all appurtenances and appendages thereto used and/or useful, for the manufacture, transmission, distribution, and/or sale of gas within and/or through the present or future territorial limits of the City, such right to continue to until June 1, 1985.