End. No. 3

**Endorsement to be attached to and made a part of** FSC 513 69 62  
**of** Columbia Casualty Company  
**issued to** IBM Corporation

It is hereby understood and agreed that effective July 1, 1981, the attached Schedule cancels and replaces the Schedule dated January 1, 1980.

**COLLECTION INFORMATION**

- **MONEY** (not checked)
- **NON-MONEY** (checked)

COLUMBIA CASUALTY

All other terms and conditions remain unchanged.

July 10th, 1981

rh
AVRECO, INC.
200 WEST MONROE STREET
CHICAGO, ILLINOIS 60606