**End 006-1/01**
**Form OCC01**
**Page 1 of 1**

**ADDITIONAL/RETURN PREMIUM: NIL**

**TOXIC SUBSTANCES EXCLUSION**

Notwithstanding anything contained in the Followed Policy, this Policy shall not apply to any liability arising out of the manufacture, distribution, sale, installation, removal, utilization, ingestion or inhalation of, or exposure to or existence of, as the case may be:

(1) asbestos or any asbestos-containing materials;
(2) tobacco or any tobacco products (or ingredients of, or used in the manufacture or production of, such products);
(3) 2,3,7,8-TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin);
(4) asbestiform talc;
(5) diethylstilbestrol ("DES");
(6) any intra-uterine device ("IUD");
(7) any product containing silicone which is in any form implanted or injected in the body;
(8) Lead, Lead based products, Lead containing materials, Lead chips, Lead dust, and Lead containing waste;
(9) Fungal mold, Mold spores, and the growth, development, or existence of mold on any surface

provided, however, that this exclusion shall not apply to actual or alleged Bodily Injury, Personal Injury or Property Damage where such Bodily Injury, Personal Injury or Property Damage is not related to the asbestos, tobacco (or other consumed portion of a tobacco product), 2,3,7,8-TCDD, asbestiform talc, DES, IUD, silicone, lead or fungal mold content of goods, materials or products or completed operations. The listing of materials herein shall not give rise to an inference that Bodily Injury, Personal Injury, Property Damage or Advertising Injury attributable to other materials was neither expected nor intended by the Insured.

Nothing herein contained shall be held to vary, alter, waive, or extend any of the terms, conditions, exclusions or limitations of the Policy referenced below, except as expressly stated herein.

The effective date of this endorsement is May 21, 2008
All other terms and conditions remain unchanged.
This endorsement is attached to and made a part of Policy No. IBM-0054/OCC01
of ACE Bermuda Insurance Ltd.

Issued to:
International Business Machines Corp. (IBM Corp)

Date of Issue: May 19, 2008
By [Signature]
Authorized Representatives

End No. 3