# PREAMBLE AMENDATORY ENDORSEMENT

| Named Insured | International Business Machines Corporation |
|---------------|-------------------------------------------|
| Policy Symbol | XOO                                        |
| Policy Number | G2763848A                                 |
| Policy Period | 05/21/2015 to 05/21/2016                  |
| Endorsement Number | 28                                         |
| Effective Date of Endorsement | 05/21/2015                                |
| Issued By (Name of Insurance Company) | ACE Property and Casualty Insurance Company |

**THIS ENDORSEMENT CHANGES THE POLICY. PLEASE READ IT CAREFULLY.**

This endorsement modifies insurance provided under the following:

**COMMERCIAL UMBRELLA LIABILITY POLICY**

Various provisions in this policy restrict coverage. Please read the entire policy carefully to determine rights, duties and what is and is not covered.

Throughout this policy the words "you" and "your" refer to the Named Insured shown in the Declarations, and any other person or organization qualifying as an "insured" under this policy. The words "we", "us" and "our" refer to the company providing this insurance.

Other words and phrases that appear in quotation marks have special meaning. Refer to Section VI - Definitions.

We, the Company named in the Declarations, relying upon the statements shown on the Declarations page and in the schedule of "underlying insurance" attached to this policy, and in return for the payment of premium and subject to its terms, conditions, and limits of insurance of this policy, agree with you as follows:

All other terms and conditions of this Policy remain unchanged.

**Authorized Representative**

**JOHN J. LUP CA. President**