# ENDORSEMENT #1

This endorsement, effective 12:01 A.M., May 21, 1981, forms a part of policy No. 991-0600 issued to International Business Machine Corp. by National Union Fire Insurance Company.

It is understood and agreed that Item 1 of the declarations, Named Insured, is hereby amended to read as follows:

International Business Machines Corporation, I.B.M. World Trade Corporation, IBM World Trade Americas/Far East Corporation and Science Research Associates, Inc., and any other Subsidiary or affiliated Corporation provided such other Subsidiary or affiliated Corporation warrants that it is under the same operative and financial control through the identity of its officers, directors or stockholders and any Employee Associations thereof.

It is also agreed that the Joint Venture known as 425 Market Street Associates is also included but only as respects the interest of International Business Machines Corporation.