**Endorsement**

* **Effective:** 6/30/80
* **Issued to:** International Business Machines Corporation
* **By:** Centennial Insurance Company

**Endorsement**

The information provided above is required to be completed only when the endorsement is issued for attachment to the policy subsequent to its effective date.

It is agreed that Schedule A of underlying insurance is amended to include:

L) Employee Benefits
- National Union
- Policy No.: 99202222
- 1,000,000
- 6/30/80 to 83

GJQ:sh
6/5/81

All other terms and conditions of this insurance remain unchanged.

**Signatures:**
- John J. Hachmaki (President)
- [Signature] (Authorized Representative)