# Endorsement

**Northbrook Excess and Surplus Insurance Company**
**Northbrook, Illinois**

## Endorsement

**Insured:** International Business Machines Corp.
**Policy No.:** 61 005 686
**Reference No.:** B

---

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 #462-01-86-23**
**May 21, 1979 to May 21, 1982**

$2,000,000 any one occurrence and in the aggregate (where applicable) excess of primary.

**National Union #TBA**
$8,000,000 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.

---

**This endorsement to take effect on the 21st day of May 1979. All other terms and conditions remain unchanged.**

**Countersignature Date:** June 22, 1979
**Authorized Representative:**