# NOTICE OF OCCURRENCE

| Named Insured | International Business Machines Corporation |
|---------------|-------------------------------------------|
| Policy Symbol  | XOO                                        |
| Policy Number | G25915951                                 |
| Policy Period | 05/21/2012 to 05/21/2013                  |
| Endorsement Number | 3                                         |
| Effective Date of Endorsement | 05/21/2012                               |
| 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**

Your failure to provide notice of an "occurrence" or claim to us shall not invalidate coverage under this policy if the loss was inadvertently reported to another Insurer. However, you shall report any such "occurrence" or claim to us within a reasonable time once you become aware of such error.

All other terms and conditions of this policy remain unchanged.

XS-20756 (08/06)

Page 1 of 1

CLASS CODE 2-13000

NOTICE: THESE POLICY FORMS AND THE APPLICABLE RATES ARE EXEMPT FROM THE FILING REQUIREMENTS OF THE NEW YORK STATE INSURANCE DEPARTMENT. HOWEVER SUCH FORMS AND RATES MUST MEET THE MINIMUM STANDARDS OF THE NEW YORK INSURANCE LAW AND REGULATIONS.

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