Is there a charge for Additional Insureds? Taylor Smith June 22, 2021 14:58 Updated No. You may designate Additional Insureds on either the drone or CGL policies without additional premium. Related articles CGL - What is the difference between an Additional Insured and a crew member? What is an Additional Insured? May I delete an Additional Insured? What policy types does Thimble arrange? What are the A.M. Best ratings of Thimble's insurers?