# ENDORSEMENT

**Date Issued:** May 25, 1977  
**Endorsement No:** 4  
**Insured:** International Business Machines Corp.  
**Policy No:** 7922-71-06  
**Name of Company:** Federal Insurance Company  
**Effective Date:** May 21, 1977  
**Producer:** Johnson & Higgins

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It is agreed that the coverage afforded by the policy shall not apply to any legal liability or defense of the insured arising out of or in any manner related to:

(1) the use, misuse or accuracy of output or input data of any computer, computer related equipment, computer service or facility

(2) the failure of any computer, computer related equipment, computer service or facility to accomplish its intended purpose.

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**All Other Terms and Conditions Remain Unchanged**

**Authorized Representative:**