ALCOA v. AETNA CAS. & SUR. CO.

ALUMINUM COMPANY OF AMERICA; and Northwest Alloys, Inc., Appellants, v. AETNA CASUALTY & SURETY COMPANY; Aiu Insurance Company; Allianz Underwriters Insurance Company (formerly known as Allianz Underwriters, Inc.); Allianz Versicherungs-Aktiengesellschaft; Allstate Insurance Company(as successor-in-interest to Northbrook Excess and Surplus Insurance Company which was formerly known as Northbrook Insurance Company); Birmingham Fire Insurance Company of Pennsylvania; Columbia Casualty Company; Commercial Union Insurance Company; Continental Casualty Company; Continental Insurance Company; Employers Insurance of Wausau, a mutual company; Employers Mutual Casualty Company; European General Reinsurance Company of Zurich; Executive Re Indemnity Inc. (formerly known as Eric Reinsurance Company, which was formerly known as American Excess Insurance Company); Federal Insurance Company; Fireman's Fund Insurance Company; First State Insurance Company; Gerling-Konzern Allegemeine Versicherungsaktiengesellschaft; Granite State Insurance Company; Greenwich Insurance Company (formerly known as Harbor Insurance Company); Hartford Accident & Indemnity Company; Highlands Insurance Company; Imperial Casualty & Indemnity Company; International Insurance Company; Lexington Insurance Company; National Casualty Company; National Union Fire Insurance Company of Pittsburgh, Pa; New England Insurance Company; Old Republic Insurance Company; Protective National Insurance Company of Omaha; Ranger Insurance Company; Royal Indemnity Company; Royale Belge S.A.; Three Rivers Insurance Company (in its own right and as successor of Domrisk, Ltd.); Twin City Fire Insurance Company; United Insurance Company; United States Fire Insurance Company; Zurich American Insurance Company of Illinois, Respondents.