**(The Attaching Clause need be completed when this endorsement is issued subsequent to preparation policy.)**

**LIABILITY**

**G115**

**ISO G115**

**ADDITIONAL INSURED (Owners or Lessees)**

This endorsement modifies such insurance as is afforded by the provisions of the policy relating to the following:

- COMPREHENSIVE GENERAL LIABILITY INSURANCE
- MANUFACTURERS' AND CONTRACTORS' LIABILITY INSURANCE

This endorsement, effective 5/21/88 (12:01 A.M., standard time), forms a part of policy No.CGL 3278678-04 issued to I.B.M. CORP.

**ZURICH INSURANCE COMPANY**

**Authorized Representative**

It is agreed that:

1. The "Persons Insured" provision is amended to include as an insured the person or organization named below but only with respect to liability arising out of operations performed for such insured by or on behalf of the named insured.
2. The applicable limit of the company's liability for the insurance afforded under the Contractual Liability Insurance Coverage Part forming a part of this policy shall be reduced by any amount paid as damages under this endorsement in behalf of the person or organization named below.

**Name of Person or Organization (Additional Insured)**

**COMMONWEALTH EDISON COMPANY**

**P.O. BOX 767**

**CHICAGO, ILLINOIS 60690**

**(AUTHENTIC)**

**JOHNSON & HIGGINS**