Hunton Insurance Recovery Blog

The California Supreme Court ruled that vertical exhaustion applied to determine how a policyholder could access its excess insurance policies. Montrose Chem. Corp. v. Superior Court, No. S244737 (Cal. Apr. 6, 2020). The case involved coverage for Montrose Chemical Corporation’s environmental liabilities at its Torrance facility under insurance policies issued from 1961 to 1985. Montrose and its insurers agreed that Montrose’s primary policies were exhausted but disputed the sequence in which Montrose could access the excess insurance policies.