terms, conditions and provisions thereof shall remain in full force and effect. This Second Supplemental Indenture shall form a part of the Indenture for all purposes and every holder of Notes heretofore or hereafter authenticated and delivered shall...

SECOND SUPPLEMENTAL INDENTURE (this “Second Supplemental Indenture”) dated as of March 7, 2019, among ADVANCED DISPOSAL SERVICES TRANSPORT, LLC and ALABAMA WASTE DISPOSAL SOLUTIONS, L.L.C. (collectively, the “New Guarantors”), each a subsidiary of ADVANCED DISPOSAL SERVICES, INC. (the “Issuer”), and XXXXX FARGO BANK, NATIONAL ASSOCIATION, as trustee under the Indenture referred to below (the “Trustee”). W I T N E S S E T H : WHEREAS, the Issuer and Guarantors have heretofore executed and delivered to the Trustee an indenture (as amended, supplemented or otherwise modified, the “Indenture”) 5 dated as of November 10, 2016, providing for the issuance of the Issuer’s 5 /8% Senior Notes due 2024 (the “Notes”), initially in the aggregate principal amount of $425,000,000; WHEREAS, Section 4.16 of the Indenture provides that under certain circumstances the Issuer is required to cause the New Guarantors to execute and deliver to the Trustee a supplemental indenture pursuant to which the New Guarantors shall unconditionally guarantee all of the Issuer’s Obligations under the Notes and the Indenture pursuant to a Guarantee on the terms and conditions set forth herein; and NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the New Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the holders of the Notes as follows: 1. Defined Terms. As used in this Second Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used herein as therein defined, except that the term “holders” in this Second Supplemental Indenture shall refer to the term “Holders” as defined in the Indenture and the Trustee acting on behalf of and for the benefit of such holders. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Second Supplemental Indenture refer to this Second Supplemental Indenture as a whole and not to any particular section hereof. 2. Agreement to Guarantee. The New Guarantors hereby agree, jointly and severally with all existing Guarantors, to unconditionally guarantee the Issuer’s Obligations under the Notes and the Indenture on the terms and subject to the conditions set forth in Article Eleven of the Indenture and to be bound by all other applicable provisions of the Indenture and the Notes and to perform all of the obligations and agreements of a Guarantor under the Indenture. 3. Notices. All notices or other communications to the New Guarantors shall be given as provided in Section 12.02 of the Indenture. 4. Ratification of Indenture; Supplemental Indentures Part of Indenture. Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the NYDOCS01/1745656

terms, conditions and provisions thereof shall remain in full force and effect. This Second Supplemental Indenture shall form a part of the Indenture for all purposes and every holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. 5. Governing Law. THIS SECOND SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAW THAT WOULD INDICATE THE APPLICABILITY OF THE LAWS OF ANY OTHER JURISDICTION. 6. Trustee Makes No Representation. The Trustee makes no representation as to the validity or sufficiency of this Second Supplemental Indenture. 7. Counterparts. The parties may sign any number of copies of this Second Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. 8. Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction thereof. [SIGNATURE PAGE FOLLOWS] 2