# AON GLOBAL

**VIA COURIER**

August 5, 2009

Ms. Kathleen Ireland  
Risk Manager, IBM CHQ  
Global Risk & Insurance Management  
International Business Machines Corporation  
1 New Orchard Road  
Armonk,  
New York 10504  
U.S.A.

Re: International Business Machines Corporation  
ACE Bermuda Insurance Ltd.,  
Policy No. IBM-1416/OCC01  

Dear Ms. Ireland,

We are pleased to enclose the original of endorsement no. 16 which attaches to and forms part of the above captioned policy.

End. No. 16 **SCHEDULE OF LEAD UMBRELLA AND UNDERLYING EXCESS POLICIES**
Eff. May 21/09  
This endorsement cancels and replaces Endorsement No. 1 issued May 27, 2009.

The above explanations only serve as a brief description of each endorsement. Please refer to the actual endorsement for exact terms and conditions.

We trust that you will find the attached to be in good order; however, should you have any questions please do not hesitate to contact our offices.

Sincerely,

Tiajuana Jewell  
Vice President

TS/en

Encl.

copy: Steve Goldstein -- ARS, Inc. of New York

Aon (Bermuda) Ltd.  
Cumberland House | 1 Victoria Street | Hamilton HM 11 | Bermuda  
P.O. Box HM 2020 | Hamilton HM HX | Bermuda  
t: +441.295.0265 | f: +441.292.3244  
w: aon.com