# ENDORSEMENT

This endorsement, effective 12:01 A.M., May 21, 1979, forms part of policy No. 122 54 07 issued to International Business Machines Corp., et al.

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 Corporations, IBM World Trade Europe/Middle East/Africa Corporation and IBM World Trade Services/For 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 Employees Associations thereof.

It is also agreed that the Joint Venture known on 423 West Street Associates is also included but only so respects the interest of International Business Machines Corporation.