An insurer’s obligations to an insured are governed by the contract of insurance between the parties. In contrast, the reciprocal contribution rights and obligations of several insurers covering the same risk do not arise from and are not governed by contract; instead they flow from equitable principles designed to accomplish ultimate justice in the bearing of a specific burden. Nucor, 231 Ariz. at 421-22, 296 P.3d at 84-85 (emphasis in original) (internal citations omitted). Because the current dispute is between two insurers, Nationwide’s obligation to pay its share of the defense costs is not triggered by a breach of the policy or improper denial of the claim, but by a finding that the Auto Policy also provided coverage for the McArdle claims. Id., 231 Ariz. at 422, 296 P.3d at 85 (<HOLDING>). Nationwide also argues that it cannot be held
holding that an insurers obligation to defend an insured was a property interest subject to prejudgment attachment holding that admonishment for breach of insurers obligation to insured is not applicable to equitable share dispute between insurers holding that a jury question as to an insurers bad faith arises when facts permit differing inferences as to the reasonableness of the insurers conduct holding that the employer was not the insurers agent holding that the language of  9133 applies only to insurers and not to the insurers employees