**Endorsement # 13**

**Policy No.:** 09-06-923  
**Eff. Date of Pol.:** 5-21-79  
**Eff. Date of End.:** 5-21-79  
**Agency No.:** 50-515-810  
**Addl. Premium:** $  
**Return Premium:** $  

**Named Insured:** INTERNATIONAL BUSINESS MACHINES CORP.

This endorsement is issued by the company named 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.

**UNINTENTIONAL ERRORS & OMISSIONS**

UNINTENTIONAL ERRORS OR OMISSIONS SHALL NOT PREJUDICE THIS INSURANCE.

**Johnson & Higgins**  
**RJ/MV 8-16-79**

**ZURICH INSURANCE COMPANY**
**AMERICAN GUARANTEE AND LIABILITY INSURANCE COMPANY**

**Countersigned:**  
**Authorized Agent:**

**U-GI-116-G REV. 11-76**

**MM 009609**