# THE CHUBB COMMERCIAL EXCESS

## Endorsement

**Policy Period:** MAY 21, 1997 to MAY 21, 1998  
**Effective Date:** May 21, 1997  
**Policy Number:** (98) 7908-98-97 CAS  
**Insured:** INTERNATIONAL BUSINESS MACHINES CORP., ETAL (AS PER CONTROLLING U/L INSURANCE)  
**Name of Company:** VIGILANT INSURANCE COMPANY  
**Date Issued:** June 12, 1997  

## Endorsement Underlying Insurance Endorsement

**THIS POLICY IS SUBJECT TO THE FOLLOWING ENDORSEMENT**

It is agreed that on the Declarations, "Item 6b.", "Other Underlying Insurance" is completed to read as follows:

### Underlying Insurance (Item 6)

#### 6b. Other Underlying Insurance

| Company | ROYAL INS. CO. |
|---------|----------------|
| Policy Number | RHA009199 |
| Policy Period | From: MAY 21, 1997 To: MAY 21, 1998 |
| Limits of Insurance | Each Occurrence $5,000,000. Aggregate (where applicable) $5,000,000. |

#### 6b. Other Underlying Insurance

| Company | TWIN CITY INS. CO. |
|---------|-------------------|
| Policy Number | KA000484 |
| Policy Period | From: MAY 21, 1997 To: MAY 21, 1998 |
| Limits of Insurance | Each Occurrence $10,000,000. Aggregate (where applicable) $10,000,000. |

**Occurrence**

**Underlying Insurance Endorsement**  
Form 07-02-0923 (Ed. 9/92) Endorsement  
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