**ENDORSEMENT #10**

It is hereby understood and agreed that Item 1 of form C-49-3, Underlying Umbrella Insurers and Policy Number, is amended in part to read as follows:

(1) Centennial Insurance Co.
Policy No. 462-01-86-23

(2) National Union
Policy No. To be advised

(3) Northbrook Excess & Surplus Insurance Co.
Policy No. 63 006 596

It is further understood and agreed that Endorsement #5 is deleted in its entirety.

This endorsement to take effect on the 21st day of May, 1980. All other items and conditions remain unchanged.

Attached to and forming part of Policy No. 929109 of FIRST STATE INSURANCE COMPANY.

Issued to: INTERNATIONAL BUSINESS MACHINES, INC., ETAL
6-27-80 bh

The company located these documents in its business records. At this time, the company does not certify that these documents constitute a complete and accurate copy of the policy.