**POLICY NO:** 88-26-23n  
**EFF. DATE OF POL.:** 1-1-76  
**EFF. DATE OF END:** 1-1-79  
**ENCY NO.:** 50-515-810  
**ADD'L PREMIUM:** $  
**RETURN PREMIUM:** $ 773,388  

**Named Insured:** INTERNATIONAL BUSINESS MACHINE CORPORATION  

This endorsement is issued by that company name I below which is the insurer under the policy designated above issued to the Named Insured and forms a part of said policy as of the effective date hereof, at the hour stated in the policy Declarations.

IN CONSIDERATION OF THE RETURN PREMIUM SHOWN ABOVE THE POLICY TERM IS CHANGED TO READ 1-1-79 TO 5-21-79.

THE INSTALLMENTS ARE CHANGED TO READ:

| Date       | Amount |
|------------|--------|
| 1-1-79     | $120,528 |
| 2-1-79     | 120,523 |
| 3-1-79     | 120,528 |
| 4-1-79     | 120,528 |

JOHNSON & HIGGINS  
JS: ST 4-18-79

ZURICH INSURANCE COMPANY  
AMERICAN GUARANTEE AND LIABILITY INSURANCE COMPANY  

Countersigned:  
Victor Higgins  
Authorized agent

U-GU-116-0 REV. 1-1-78