In McMillin Companies, LLC v. American Safety Indemnity Co. (4th Dist. Div. 1, No. D063586, January 22, 2015 (published in relevant part)), the California Court of Appeal for the Fourth District has provided some meaningful guidance on how a trial court should handle issues that regularly come up in cases where an alleged additional insured claims breach of the duty to defend by multiple insurers, including explaining the significance of an insurer’s unsuccessful attempt to obtain summary judgment on the duty to defend, the significance of other insurer settlements on claims against the remaining insurer, and the procedure for applying an offset to the policyholder’s claim for such settlements.