**ADDITIONAL NAMED INSURED**

IT IS AGREED THAT THE POLICY IS EXTENDED TO APPLY TO THE FOLLOWING ADDITIONAL NAMED INSURED:

MARKET STREET ASSOCIATES OF ST. LOUIS.

DISCOVISION ASSOCIATES.

SATELLITE BUSINESS SYSTEMS.

"IT IS FURTHER AGREED THAT THIS ENDORSEMENT IS ISSUED ONLY AS RESPECTS INTERNATIONAL BUSINESS MACHINES CORP. INTERESTS IN THESE JOINT VENTURES."

**Endorsement effective 1/29/80**
**Named Insured:** INTERNATIONAL BUSINESS MACHINES CORP.
**Policy No.:** 01 XN 2206 WCA

**Additional Premium $**

The Aetna Casualty and Surety Company
The Standard Fire Insurance Company
Hartford, Connecticut

**[Signature]**
**[Date]**