# ENDORSEMENT

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.

**FOLLOWING FORM ENDORSEMENT**

It is agreed that such insurance as is attached by the policy for Incidental Medical Malpractice Liability shall not apply, unless such Liability is covered by valid and collectible underlying insurance as described in the Schedule of Underlying Insurance, and then only for such hazards for which coverage is afforded under said underlying insurance.