**ENDORSEMENT**

**Date Issued:** 4/16/80  
**Endorsement No:** 2

**Insured:** International Business Machines Corporation et al.  
**Name of Company:** Federal Insurance Company  
**Producer:** Johnson & Higgins  

**Named Insured:**

International Business Machines Corporation, I.B.M. World Trade Corporation, IBM World Trade Europe/Middle East/Africa Corporation and 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 indentity 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.

**Other Terms and Conditions Remain Unchanged**

**Authorized Representative:**