CLEAN HARBORS ENVIRONMENTAL SERVICES

POLICY NUMBER: 1000090736251 COMMERCIAL GENERAL LIABILITY CG 20 26 12 19 THIS ENDORSEMENT CHANGES THE POLICY. PLEASE READ IT CAREFULLY. ADDITIONAL INSURED - DESIGNATED PERSON OR ORGANIZATION This endorsement modifies insurance provided under the following: COMMERCIAL GENERAL LIABILITY COVERAGE PART SCHEDULE Name Of Additional Insured Person(s) Or Organization(s): Where Required By Written Contract 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 B. With respect to the insurance afforded to these include as an additional insured the person(s) or additional insureds, the following is added to organization(s) shown in the Schedule, but only Section III—Limits Of Insurance: with respect to liability for "bodily injury", "property If coverage provided to the additional insured is damage" or "personal and advertising injury" required by a contract or agreement, the most we caused, in whole or in part, by your acts or will pay on behalf of the additional insured is the omissions or the acts or omissions of those acting amount of insurance: on your behalf: 1. Required by the contract or agreement; or 1. In the performance of your ongoing operations; 2. Available under the applicable limits of or insurance; 2. In connection with your premises owned by or whichever is less. rented to you. This endorsement shall not increase the However: applicable limits of insurance. 1. The insurance afforded to such additional insured only applies to the extent permitted by law; and 2. If coverage provided to the additional insured is required by a contract or agreement, the insurance afforded to such additional insured will not be broader than that which you are required by the contract or agreement to provide for such additional insured. CG 20 26 12 19 © Insurance Services Office, Inc., 2012 Page 1 of 1 20154: 4 of 6