Reliance on the policy's "other insurance" provision did not excuse the insurer from contributing to the defense of a common insured. Certain Underwriters at Lloyds v. Arch Specialty Ins. Co., 2016 Ca. App. LEXIS 275 (Cal. Ct. App. April 11, 2016).
Lloyds and Arch were both primary insurers of Framecon, Inc. Lloyds