Company shall indemnify and save harmless the City from any and all claims, suits, losses, damages, costs, or expenses on account of injury or damage to any person or property, caused or occasioned, or allegedly caused or occasioned, in whole or in part, by Company’s construction, reconstruction, excavation, operation, or maintenance of the gas utilities authorized by this franchise; provided, however, that the Company shall not be obligated to defend, indemnify and save harmless the City for any costs or damages arising from the negligence of the City, its officers, employees, or agents.