IF THE IMMEDIATE UNDERLYING POLICY IS CANCELED, THIS POLICY LIKewise IS CANCELED EFFECTIVE ON THE SAME DATE AT THE SAME TIME AND WITHOUT NOTICE TO THE INSUREDs. IF THE IMMEDIATE UNDERLYING POLICY OTHERWISE CEASES TO APPLY (FOR REASONS OTHER THAN THE EXHAUSTION OF AN AGGREGATE LIMIT OF LIABILITY), THIS POLICY LIKEWISE CEASES TO APPLY TO THE SAME EXTENT ON THE SAME DATE AT THE SAME TIME AND WITHOUT NOTICE TO THE INSUREDs.

PART II - DEFINITIONS

1. IMMEDIATE UNDERLYING POLICY

*IMMEDIATE UNDERLYING POLICY* MEANS THE POLICY OF THE UNDERLYING INSURANCE WHICH PROVIDES THE LAYER OF COVERAGE, WHETHER PRIMARY OR EXCESS, IMMEDIATELY PRECEDING THE LAYER OF COVERAGE PROVIDED BY THIS POLICY.

2. LOSS

*LOSS* MEANS THE SUMS PAID AS DAMAGES IN SETTLEMENT OF A CLAIM OR IN SATISFACTION OF A JUDGMENT FOR WHICH THE INSURED IS LEGALLY LIABLE, AFTER MAKING DEDUCTIONS FOR ALL RECOVERIES, SALVAGES AND OTHER INSURANCES (WHETHER RECOV- ERABLE OR NOT) OTHER THAN THE UNDERLYING INSURANCE AND EXCESS INSURANCE PURCHASED SPECIFICALLY TO BE IN EXCESS OF THIS POLICY. *LOSS* DOES NOT INCLUDE INVESTIGATION, ADJUSTMENT, DEFENSE OR APPEAL COSTS AND EXPENSES NOR COSTS AND EXPENSES INCIDENT TO ANY OF THE SAME, NOTWITHSTANDING THAT THE UNDERLYING INSURANCE MAY PROVIDE INSURANCE FOR SUCH COSTS AND EXPENSES.

3. UNDERLYING INSURANCE

*UNDERLYING INSURANCE* MEANS THE INSURANCE POLICIES LISTED IN ITEM 4 IN THE DECLARATIONS AND INCLUDES ANY RENEWAL OR REPLACEMENT OF SUCH POLICIES.

PART III - NUCLEAR ENERGY LIABILITY EXCLUSION

THE FOLLOWING EXCLUSION APPLIES IN ADDITION TO THOSE STATED AS APPLICABLE IN THE PRIMARY INSURANCE.

THIS POLICY DOES NOT APPLY:

1. UNDER ANY LIABILITY COVERAGE, TO INJURY, SICKNESS, DISEASE, DEATH OR DESTRUCTION.