# NON-CONTRIBUTORY ENDORSEMENT FOR ADDITIONAL INSUREDS

| Named Insured | International Business Machines Corporation |
|---------------|-------------------------------------------|
| Policy Symbol | HDO                                       |
| Policy Number | G27865355                                 |
| Policy Period | 05/21/2017 to 05/21/2018                  |
| Issued By (Name of Insurance Company) | ACE American Insurance Company             |

Insert the policy number. The remainder of the information is to be completed only when this endorsement is issued subsequent to the preparation of the policy.

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

**COMMERCIAL GENERAL LIABILITY COVERAGE**

**Schedule**

| Organization | Additional Insured Endorsement |
|--------------|-------------------------------|
| FC Tower Property Partners, LP, A Texas Limited Partnership | CG2026 (04/13) – Endt #3 |
| FC Office Associates, L.P., a Delaware Limited Partnership |
| UIDC of Texas, Co., an Illinois general partnership |
| UIDC Management, Inc. and Illinois corporation |
| CBRE, Inc. and their respective partners, affiliates, shareholders, agents, servants, directors officers and employees. |

*(If no information is filled in, the schedule shall read: "All persons or entities added as additional insureds through an endorsement with the term 'Additional Insured' in the title)*

For organizations that are listed in the Schedule above that are also an Additional Insured under an endorsement attached to this policy, the following is added to Section IV.4.a:

* If other insurance is available to an insured we cover under any of the endorsements listed or described above (the "Additional Insured") for a loss we cover under this policy, this insurance will apply to such loss on a primary basis and we will not seek contribution from the other insurance available to the Additional Insured.

**Authorized Agent**

LD-20287 (06/06)

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