Amend 2 AMEC Foster Wheeler Environment & Infrastructure AMEC USA Holdings

POLICY NUMBER: HDO G24557728 001 Endorsement Number: 54 COMMERCIAL GENERAL LIABILITY CG 20 37 04 13 THIS ENDORSEMENT CHANGES THE POLICY. PLEASE READ IT CAREFULLY. ADDITIONAL INSURED - OWNERS, LESSEES OR CONTRACTORS - COMPLETED OPERATIONS This endorsement modifies insurance provided under the following: COMMERCIAL GENERAL LIABILITY COVERAGE PART PRODUCTS/COMPLETED OPERATIONS LIABILITY COVERAGE PART SCHEDULE Name Of Additional Insured Person(s) Or Organization(s) Location And Description Of Completed Operations All parties where required by Insured Contract All work conducted by AMEC USA Holdings, Inc. executed prior to a loss except for work conducted at or from any OCIP, CCIP or Joint Venture Project Specific Insurance Program for which the named insured is an enrolled participant. Information required to complete this Schedule, if not shown above,will be shown in the Declarations. A. Section II —Who Is An Insured is amended to will not be broader than that which you are include as an additional insured the person(s) or required by the contract or agreement to provide organization(s) shown in the Schedule, but only for such additional insured. with respect to liability for "bodily injury" or B. With respect to the insurance afforded to these "property damage"caused, in whole or in part, by additional insureds, the following is added to "your work" at the location designated and Section III—Limits Of Insurance: described in the Schedule of this endorsement If coverage provided to the additional insured is performed for that additional insured and required by a contract or agreement, the most we included in the "products-completed operations will pay on behalf of the additional insured is the hazard". amount of insurance: However: 1. Required by the contract or agreement; or 1. The insurance afforded to such additional 2. Available under the applicable Limits of insured only applies to the extent permitted Insurance shown in the Declarations; by law; and 2. If coverage provided to the additional insured whichever is less. is required by a contract or agreement, the This endorsement shall not increase the applicable insurance afforded to such additional insured Limits of Insurance shown in the Declarations. CG 20 37 04 13 ©Insurance Services Office, Inc., 2012 Page 1 of 1