Missouri Court of Appeals March 19, 1996, WD 50774 (Planet Insurance Co. v. Ertz)

ULRICH, Judge.

Planet Insurance Company (Planet) filed a declaratory judgment action to determine coverage under two excess liability insurance policies containing “other insurance” clauses. One of the policies was issued by Planet to Dan Ertz and The Ertz Agency, Inc. (collectively Ertz), and the second policy was issued to Ertz by Northwestern National Insurance Company (Northwestern National).