Second Supplemental Indenture (6.50% CEI Senior Secured Notes due 2032), dated as of August 23, 2024, to Indenture, dated as of February 6, 2024, by and among Caesars Entertainment, Inc., the subsidiary guarantors party thereto, U.S. Bank Trust Company, National Association, as Trustee, and U.S. Bank National Association, as Collateral Agent

THIS SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of August 23, 2024, among the entities listed in Schedule A hereto (each, a “New Guarantor”), CAESARS ENTERTAINMENT, INC., a Delaware corporation (the “Company”), the other Subsidiary Guarantors (as defined in the Indenture referred to herein), U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as trustee (in such capacity, the “Trustee”), and U.S. BANK NATIONAL ASSOCIATION, as collateral agent (in such capacity, the “Collateral Agent”).

WHEREAS, the Company has heretofore executed and delivered to the Trustee and the Collateral Agent an indenture, dated as of February 6, 2024, providing for the issuance of 6.500% Senior Secured Notes due 2032 (the “Notes”), initially in the aggregate principal amount of $1,500,000,000, by and among the Company, the Subsidiary Guarantors party thereto, the Trustee and the Collateral Agent, as supplemented by that certain supplemental indenture, dated as of March 1, 2024, by and among the Company, the Subsidiary Guarantors party thereto, the Trustee and the Collateral Agent (as further amended, supplemented or otherwise modified, the “Indenture”);

WHEREAS, Section 4.11 of the Indenture provides that under certain circumstances the Company is required to cause each New Guarantor to execute and deliver to the Trustee a supplemental indenture pursuant to which each New Guarantor shall unconditionally guarantee all the Company’s Obligations under the Notes and the Indenture pursuant to a Note Guarantee on the terms and conditions set forth herein; and

WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee, the Collateral Agent, the Company and the Subsidiary Guarantors, if any, are authorized to execute and deliver this Supplemental Indenture without the consent of the holders.

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, each New Guarantor, the Company, the Subsidiary Guarantors, the Collateral Agent 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 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 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 Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular section hereof.

2.Agreement to Guarantee. Each New Guarantor hereby agrees, jointly and severally with all existing guarantors (if any), to unconditionally guarantee the Company’s Obligations under the Notes and the Indenture on the terms and subject to the conditions set forth in Article XIII 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. From and after the date hereof, all

references in the Indenture to the “Guarantors” and “Subsidiary Guarantors” shall include the New Guarantors.

3.Notices. All notices or other communications to each New Guarantor shall be given at the following address: Caesars Entertainment, Inc., 100 West Liberty Street, 12th Floor, Reno, Nevada 89501, Facsimile: (775) 337-9218 Attn: Chief Financial Officer.

4.Execution and Delivery. Each New Guarantor agrees that its Note Guarantee shall remain in full force and effect notwithstanding the absence of the endorsement of any notation of such Note Guarantee.

5.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 terms, conditions and provisions thereof shall remain in full force and effect. This 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.

6.Governing Law. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

7.No Recourse Against Others. No director, officer, employee, manager, incorporator or holder of any Equity Interests in any New Guarantor or any direct or indirect parent corporation, as such, shall have any liability for any obligations of any New Guarantor under the Notes or the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each holder of Notes by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes.

8.Trustee Makes No Representation. The Trustee and the Collateral Agent make no representation as to the validity or sufficiency of this Supplemental Indenture.

9.Counterparts. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement.

10.Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction thereof.