# Endorsement

**Effective:** 5/21/78

**Endorsement #:**

- **Endorsement #4 is hereby declared null and void and is replaced by the following:**
  
  - **This policy shall not apply to any liability arising out of any negligent act, error or omission, in the rendering of or failure to render professional services as an input data processing.**

**All other terms and conditions remain unchanged.**

**This endorsement is attached to and made a part of M843086 of the Mission Insurance Company.**

**Issued To:** International Business Machines Corporation, et al. (as per endorsement #1)

**Dated At:** New York, New York

**Date:** October 9, 1978

**SAYRE & TOSO, INC.**

**By:** [Signature]