**Endorsement No.: 4**

**Effective date of endorsement:** 6/1/70
**Attached to and forming part of Policy No.:** 77378723

**Agent for:** Johnson & Higgins
**Issued to:** International Business Machines Corporation, and
**Name of Company:** Federal Insurance Company
**Date of Issue:** 9/16/70

**Original and duplicate issued:**
**One of which being accomplished; the other to stand null and void.**

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**It is agreed that Item 1, Named Insured, is completed to read:**

"International Business Machines Corporation,
I.B.M. World Trade Corp., The Service Bureau Corp.,
and any other subsidiary or affiliated corporation of each 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."

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**CHUBB & SON INC.**
**By: [Signature]**

**All other terms and conditions not inconsistent herewith remain unchanged.**

**Form 1532 (CA-1-61)**
**Authorized Representative**
**U-8442 (2000)**