ATTACHING TO AND FORMING PART OF POLICY NO. 576/UW3419800 ADDENDUM NO. 6

EXHAUSTION OF AGGREGATE ENDORSEMENT

WHEREAS, the period of the Primary and/or Underlying policy or policies, including renewals or replacements thereof, with respect to which this policy applies in excess is or may be non-concurrent with the period of this policy.

NOW, THEREFORE, in consideration of the premium for which this policy is written, in the event of reduction or exhaustion of the aggregate limit or limits contained in such Primary and/or Underlying policy or policies solely by payment of losses in respect of accidents and/or occurrences occurring during the period of such Primary and/or Underlying policy or policies it is hereby understood and agreed that such insurance as is afforded by this policy shall apply in excess of the reduced underlying limit or, if such limit is exhausted, shall apply as underlying insurance, notwithstanding anything to the contrary in the terms and conditions of this policy.

All other terms and conditions remain unaltered.