# Northbrook Excess and Surplus Insurance Company

## NUCLEAR Energy Liability Exclusion Endorsement

This policy shall not apply:

I. Under any Liability Coverage, to injury, sickness, disease or death resulting from:

(a) with respect to which an Insured under the policy is also insured under a Nuclear Liability Insurance Association Mutual Atomic Energy Liability Indemnity Association or Nuclear Liability Insurance Association Mutual Atomic Energy Liability Indemnity Association policy but for its termination upon exhaustion of its limit of liability; or

(b) resulting from the hazardous properties of nuclear material and with respect to which (1) any person or organization was required to maintain financial protection pursuant to the Atomic Energy Act of 1954, or any law amendatory thereof, or (2) the Insured as of had this policy not been issued would be entitled to indemnity from the United States of America, or any agency thereof, under any agreement entered into by the United States of America or any agency thereof, with any person or organization.

II. Under any Medical Payments Coverage or under any Supplementary Payments provision relating to immediate medical or surgical relief to expenses incurred with respect to bodily injury, sickness, disease or death resulting from the hazardous properties of nuclear material and arising out of the operation of a nuclear facility by any person or organization.

III. Under any Liability Coverage, to injury, sickness, disease, death or destruction resulting from the hazardous properties of nuclear materials if:

(a) the nuclear material (1) is at any nuclear facility owned by or operated by or on behalf of, an Insured or (2) has been discharged or dispersed therefrom;

(b) the nuclear material is contained in spent fuel or waste at any time possessed, handled, used, processed, stored, transported or disposed of by or on behalf of an Insured; or

(c) the injury, sickness, disease, death, or destruction arises out of the furnishing by an Insured of services, materials, parts or equipment in connection with the planning, construction, maintenance, operation or use of any nuclear facility, but if such facility is located within the United States of America, its territories or possessions or Canada, this exclusion (c) applies only to injury to or destruction of property at such nuclear facility.

IV. As used in this policy:

"hazardous properties" include radioactive, toxic or explosive properties.

"nuclear material" means source material, special nuclear material or by-product material.

"source material," "special nuclear material" and "by-product material" have the meanings given them in the Atomic Energy Act of 1954 or in any law amendatory thereof.

"spent fuel" means any fuel element or fuel component, solid or liquid which has been used or exposed to radiation in a nuclear reactor.

"waste" means any waste material (1) containing by-product material and (2) resulting from the operation by any person or organization of any nuclear facility included within the definition of nuclear facility under paragraph (a) or (b) thereof.

"nuclear facility" means:

(a) any nuclear reactor,

(b) any equipment or device designed or used for (1) separating the isotopes of uranium or plutonium, (2) processing or utilizing spent fuel, or (3) handling, processing or packaging waste.

(c) any equipment or device used for the processing, fabricating or allowing of special nuclear material of at any time the total amount of such material in the custody of the Insured at the premises where such equipment or device is located, consists of or contains more than 25 grams of plutonium or uranium-233 or any combination thereof, or more than 250 grams of uranium-235.

(d) any structure, basin, excavation, premises or place prepared or used for receipt, storage or disposal of waste.

and includes the site on which any of the foregoing is located, all operations conducted on such site and related auxiliary operations.

"Nuclear reactor" means any apparatus designed or used to sustain nuclear fission in a self-supporting chain reaction of a critical mass of fissile material.

with respect to injury to or destruction of property, the word "injury" or "destruction" includes all forms of radioactive contamination of property.

## War Risk Exclusion Endorsement

This policy shall not apply to any liability of the Insured directly or indirectly occasioned by, happening through, or in consequence of, invasion, acts of foreign enemies, hostilities whether war be declared or not, civil war, rebellion, revolution, insurrection, military or usurped power or confiscation or nationalization or requisition or destruction of or damage to property by or under the order of any government or public or local authority.