# ENDORSEMENT
**#20**

This endorsement, effective 12:01 AM, May 21, 1990, forms a part of policy No. 194-50-64 issued to International Business Machines Corp. by American Home Assurance Company.

In consideration of the premium paid it is hereby understood and agreed that the following are named as additional Insureds as respects all of the Named Insured's operations at 900 King Street, Ryebrook, New York:

* Atrium Associates
* Connecticut General Insurance Company

AUTHORIZED REPRESENTATIVE

Z 008673