# Northbrook Insurance Company
Northbrook, Illinois

## Endorsement

**Named Insured:** International Business Machines Corporation  
**Policy No.:** 63 004 593  
**Endorsement No.:** 5

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In consideration of the premium charged, it is agreed that the Excess Umbrella Coverage-Insuring Agreements as respects "Underlying Umbrella Insurers and Policy Number" is amended to read as follows:

**Centennial Insurance Company** #46 201 7782  
$2,000,000 any one occurrence and in the aggregate (where applicable) excess of primary.

**American Home Assurance Company** #TBA  
$2,000,000 any one occurrence and in the aggregate (where applicable) excess of $2,000,000 any one occurrence and in the aggregate (where applicable) excess of primary.

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This endorsement to take effect on the 21st day of May 1978. All other terms and conditions remain unchanged.

**Countersigned:** June 30, 1978  
**Authorized Representative:** [Signature]