**Endorsement**

* **Date:** 5/21/79
* **Policy Number:** To be Advised
* **Effective Date:** 5/21/79 to 80
* **Insured:** International Business Machines Corporation, Etc.
* **Insurance Company:** Centennial Insurance Company

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

It is hereby understood and agreed that Schedule A of Underlying Insurance is amended to include:

**K) Marine Products**
* **London**
* **Policy Number to be Advised**
* **5/21/79 to 80**
* **N.I. & P.D.:**
    * $1,000,000 each occurrence
    * $3,000,000 annual aggregate
    * Excess of $50,000

**GJQ:sh**
**12/17/79**

All other terms and conditions of this insurance remain unchanged.

**[Signatures]**
* **President:** [Name]
* **Authorized Representative:** [Name]