# ENDORSEMENT #13

This endorsement, effective 12:01 A.M., 05/21/86, forms a part of policy No. 552 8820 issued to International Business Machines by Lexington Insurance Company.

## UNIMPAIRED AGGREGATE

In consideration of the premium charged, it is agreed that the underlying aggregate limits, where applicable, shall be unimpaired at the attachment date of this policy and for the purpose of this insurance, only losses taking place during the term of this policy shall be considered in determining the extent of any exhaustion of the underlying aggregate limits.

It is further agreed that this policy will not become excess of any reduced or exhausted underlying aggregate limits of liability or aggregate self-insured retention to the extent such reduction or exhaustion is the result of "claims," damage or loss excluded by this policy.

**AUTHORIZED REPRESENTATIVE**

LEX-CME-111 (Ed. 03/86)

**REINSURANCE**

AUG 26 1986

CLOSED