Exhibit 4.1

SEVENTH SUPPLEMENTAL INDENTURE TO INDENTURE

SEVENTH SUPPLEMENTAL INDENTURE (this “Seventh Supplemental Indenture”), dated as of September 23, 2021, among MGP Finance Co-Issuer, Inc., a Delaware corporation (the “Co-Issuer”), MGM Growth Properties Operating Partnership LP, a Delaware limited partnership (the “Issuer” and, together with the Co-Issuer, the “Issuers”), the Subsidiary Guarantors (as defined in the Indenture referred to herein) and U.S. 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 Issuers have heretofore executed and delivered to the Trustee an indenture, dated as of April 20, 2016 (as amended or supplemented as of the date hereof, the “Indenture”), providing for the issuance of 5.625% Senior Notes due 2024 (the “Notes”);

WHEREAS, Section 9.02 of the Indenture provides that the Indenture may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the then outstanding Notes, subject to certain exceptions set forth in Section 9.02 (not applicable to the amendments to the Indenture to be effected by this Seventh Supplemental Indenture), which require the affirmative consent of each Holder affected thereby;

WHEREAS, VICI Properties L.P., a Delaware limited partnership, and VICI Note Co. Inc., a Delaware corporation (together, the “VICI Issuers”), on behalf of the Issuers, have solicited from Holders of the Notes, upon the terms and subject to the conditions set forth in the offering memorandum, dated September 13, 2021 (the “Offering Memorandum”), consents (“Consents”) to the amendments of certain provisions of the Indenture as set forth in Section 4 hereof (the “Proposed Amendments”);

WHEREAS, as of the date hereof, eligible Holders of at least a majority in aggregate principal amount of the Notes (the “Consenting Holders”) have validly tendered, and not withdrawn, their Consents to the adoption of the Proposed Amendments to be effectuated by this Seventh Supplemental Indenture in accordance with the provisions of the Indenture, and the Issuers, having received the requisite consents for the Proposed Amendments, desire to amend the Indenture as provided in this Seventh Supplemental Indenture;

WHEREAS, in accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, have permitted and approved any and all conforming changes, including conforming amendments, to the Notes and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture; and

WHEREAS, all things necessary to make this Seventh Supplemental Indenture a valid and binding agreement of the parties, in accordance with its terms, and a valid amendment of, and supplement to, the Indenture have been done, and the execution and delivery of this Seventh Supplemental Indenture have been duly authorized in all respects and, pursuant to Section 9.02 of the Indenture, the Issuers, the Subsidiary Guarantors and the Trustee are authorized to execute and deliver this Seventh Supplemental Indenture.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Issuers, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. RELATIONSHIP WITH INDENTURE. The terms and provisions contained in this Seventh Supplemental Indenture will constitute, and are hereby expressly made, a part of the Indenture, and the Issuers, the Subsidiary Guarantors and the Trustee, by their execution and delivery of this Seventh Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. The Indenture and this Seventh Supplemental Indenture shall be read, taken and construed as one and the same instrument. In the event that any provision of this Seventh

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Supplemental Indenture expressly limits, qualifies or conflicts with a provision of the Indenture, such provision of this Seventh Supplemental Indenture shall control.

3. EFFECTIVENESS; CONDITIONS PRECEDENT.

4. INDENTURE AMENDMENTS. Pursuant to Section 9.02 of the Indenture, and subject to Section 3(b) of this Seventh Supplemental Indenture, the Indenture and the Notes are hereby amended as follows:

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5. CONFORMING CHANGES. In accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, permitted and approved any and all conforming changes, including conforming amendments, to the Notes to which their Consents related and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture.

6. NOTES. The Notes, with effect on and from the date hereof, shall be deemed supplemented, modified and amended in such manner as necessary to make the terms of the Notes consistent with the terms of the Indenture, as amended by this Seventh Supplemental Indenture.

7. RATIFICATION OF THE INDENTURE; SEVENTH SUPPLEMENTAL INDENTURE PART OF THE 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 Seventh Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder heretofore or hereafter authenticated and delivered shall be bound hereby. Upon and after the execution of this Seventh Supplemental Indenture, each reference to the Indenture or the Notes in the Indenture or the Notes shall mean and be a reference to the Indenture or the Notes as modified hereby after giving effect to this Seventh Supplemental Indenture. The rights, protections and indemnities provided to the Trustee under the Indenture shall apply to any action (or inaction) of the Trustee in connection herewith, including in connection with the execution and delivery of this Seventh Supplemental Indenture.

8. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SEVENTH SUPPLEMENTAL INDENTURE WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

9. COUNTERPARTS. The parties may sign any number of copies of this Seventh 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 hereof.

11. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Seventh Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuers and the Subsidiary Guarantors.

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12. SEPARABILITY CLAUSE. In case any provision in this Seventh Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

13. SUCCESSORS AND ASSIGNS. All covenants and agreements in this Seventh Supplemental Indenture by the Issuers and the Subsidiary Guarantors shall bind their respective successors and assigns, whether so expressed or not.

[Signatures on following page]

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IN WITNESS WHEREOF, the parties hereto have caused this Seventh Supplemental Indenture to be duly executed and attested, all as of the date first above written.

Dated: September 23, 2021

[Signature Page to Seventh Supplemental Indenture (2024 Notes)]

[Signature Page to Seventh Supplemental Indenture (2024 Notes)]

[Signature Page to Seventh Supplemental Indenture (2024 Notes)]

Exhibit 4.2

SEVENTH SUPPLEMENTAL INDENTURE TO INDENTURE

SEVENTH SUPPLEMENTAL INDENTURE (this “Seventh Supplemental Indenture”), dated as of September 23, 2021, among MGP Finance Co-Issuer, Inc., a Delaware corporation (the “Co-Issuer”), MGM Growth Properties Operating Partnership LP, a Delaware limited partnership (the “Issuer” and, together with the Co-Issuer, the “Issuers”), the Subsidiary Guarantors (as defined in the Indenture referred to herein) and U.S. 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 Issuers have heretofore executed and delivered to the Trustee an indenture, dated as of August 12, 2016 (as amended or supplemented as of the date hereof, the “Indenture”), providing for the issuance of 4.500% Senior Notes due 2026 (the “Notes”);

WHEREAS, Section 9.02 of the Indenture provides that the Indenture may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the then outstanding Notes, subject to certain exceptions set forth in Section 9.02 (not applicable to the amendments to the Indenture to be effected by this Seventh Supplemental Indenture), which require the affirmative consent of each Holder affected thereby;

WHEREAS, VICI Properties L.P., a Delaware limited partnership, and VICI Note Co. Inc., a Delaware corporation (together, the “VICI Issuers”), on behalf of the Issuers, have solicited from Holders of the Notes, upon the terms and subject to the conditions set forth in the offering memorandum, dated September 13, 2021 (the “Offering Memorandum”), consents (“Consents”) to the amendments of certain provisions of the Indenture as set forth in Section 4 hereof (the “Proposed Amendments”);

WHEREAS, as of the date hereof, eligible Holders of at least a majority in aggregate principal amount of the Notes (the “Consenting Holders”) have validly tendered, and not withdrawn, their Consents to the adoption of the Proposed Amendments to be effectuated by this Seventh Supplemental Indenture in accordance with the provisions of the Indenture, and the Issuers, having received the requisite consents for the Proposed Amendments, desire to amend the Indenture as provided in this Seventh Supplemental Indenture;

WHEREAS, in accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, have permitted and approved any and all conforming changes, including conforming amendments, to the Notes and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture; and

WHEREAS, all things necessary to make this Seventh Supplemental Indenture a valid and binding agreement of the parties, in accordance with its terms, and a valid amendment of, and supplement to, the Indenture have been done, and the execution and delivery of this Seventh Supplemental Indenture have been duly authorized in all respects and, pursuant to Section 9.02 of the Indenture, the Issuers, the Subsidiary Guarantors and the Trustee are authorized to execute and deliver this Seventh Supplemental Indenture.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Issuers, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. RELATIONSHIP WITH INDENTURE. The terms and provisions contained in this Seventh Supplemental Indenture will constitute, and are hereby expressly made, a part of the Indenture, and the Issuers, the Subsidiary Guarantors and the Trustee, by their execution and delivery of this Seventh Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. The Indenture and this Seventh Supplemental Indenture shall be read, taken and construed as one and the same instrument. In the event that any provision of this Seventh Supplemental Indenture expressly limits, qualifies or conflicts with a provision of the Indenture, such provision of this Seventh Supplemental Indenture shall control.

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3. EFFECTIVENESS; CONDITIONS PRECEDENT.

4. INDENTURE AMENDMENTS. Pursuant to Section 9.02 of the Indenture, and subject to Section 3(b) of this Seventh Supplemental Indenture, the Indenture and the Notes are hereby amended as follows:

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5. CONFORMING CHANGES. In accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, permitted and approved any and all conforming changes, including conforming amendments, to the Notes to which their Consents related and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture.

6. NOTES. The Notes, with effect on and from the date hereof, shall be deemed supplemented, modified and amended in such manner as necessary to make the terms of the Notes consistent with the terms of the Indenture, as amended by this Seventh Supplemental Indenture.

7. Ratification OF THE INDENTURE; SEVENTH SUPPLEMENTAL INDENTURE PART OF THE 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 Seventh Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder heretofore or hereafter authenticated and delivered shall be bound hereby. Upon and after the execution of this Seventh Supplemental Indenture, each reference to the Indenture or the Notes in the Indenture or the Notes shall mean and be a reference to the Indenture or the Notes as modified hereby after giving effect to this Seventh Supplemental Indenture. The rights, protections and indemnities provided to the Trustee under the Indenture shall apply to any action (or inaction) of the Trustee in connection herewith, including in connection with the execution and delivery of this Seventh Supplemental Indenture.

8. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SEVENTH SUPPLEMENTAL INDENTURE WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

9. COUNTERPARTS. The parties may sign any number of copies of this Seventh 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 hereof.

11. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Seventh Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuers and the Subsidiary Guarantors.

12. SEPARABILITY CLAUSE. In case any provision in this Seventh Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

13. SUCCESSORS AND ASSIGNS. All covenants and agreements in this Seventh Supplemental Indenture by the Issuers and the Subsidiary Guarantors shall bind their respective successors and assigns, whether so expressed or not.

[Signatures on following page]

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IN WITNESS WHEREOF, the parties hereto have caused this Seventh Supplemental Indenture to be duly executed and attested, all as of the date first above written.

Dated: September 23, 2021

[Signature Page to Seventh Supplemental Indenture (2026 Notes)]

[Signature Page to Seventh Supplemental Indenture (2026 Notes)]

[Signature Page to Seventh Supplemental Indenture (2026 Notes)]

Exhibit 4.3

SEVENTH SUPPLEMENTAL INDENTURE TO INDENTURE

SEVENTH SUPPLEMENTAL INDENTURE (this “Seventh Supplemental Indenture”), dated as of September 23, 2021, among MGP Finance Co-Issuer, Inc., a Delaware corporation (the “Co-Issuer”), MGM Growth Properties Operating Partnership LP, a Delaware limited partnership (the “Issuer” and, together with the Co-Issuer, the “Issuers”), the Subsidiary Guarantors (as defined in the Indenture referred to herein) and U.S. 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 Issuers have heretofore executed and delivered to the Trustee an indenture, dated as of September 21, 2017 (as amended or supplemented as of the date hereof, the “Indenture”), providing for the issuance of 4.500% Senior Notes due 2028 (the “Notes”);

WHEREAS, Section 9.02 of the Indenture provides that the Indenture may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the then outstanding Notes, subject to certain exceptions set forth in Section 9.02 (not applicable to the amendments to the Indenture to be effected by this Seventh Supplemental Indenture), which require the affirmative consent of each Holder affected thereby;

WHEREAS, VICI Properties L.P., a Delaware limited partnership, and VICI Note Co. Inc., a Delaware corporation (together, the “VICI Issuers”), on behalf of the Issuers, have solicited from Holders of the Notes, upon the terms and subject to the conditions set forth in the offering memorandum, dated September 13, 2021 (the “Offering Memorandum”), consents (“Consents”) to the amendments of certain provisions of the Indenture as set forth in Section 4 hereof (the “Proposed Amendments”);

WHEREAS, as of the date hereof, eligible Holders of at least a majority in aggregate principal amount of the Notes (the “Consenting Holders”) have validly tendered, and not withdrawn, their Consents to the adoption of the Proposed Amendments to be effectuated by this Seventh Supplemental Indenture in accordance with the provisions of the Indenture, and the Issuers, having received the requisite consents for the Proposed Amendments, desire to amend the Indenture as provided in this Seventh Supplemental Indenture;

WHEREAS, in accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, have permitted and approved any and all conforming changes, including conforming amendments, to the Notes and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture; and

WHEREAS, all things necessary to make this Seventh Supplemental Indenture a valid and binding agreement of the parties, in accordance with its terms, and a valid amendment of, and supplement to, the Indenture have been done, and the execution and delivery of this Seventh Supplemental Indenture have been duly authorized in all respects and, pursuant to Section 9.02 of the Indenture, the Issuers, the Subsidiary Guarantors and the Trustee are authorized to execute and deliver this Seventh Supplemental Indenture.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Issuers, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. RELATIONSHIP WITH INDENTURE. The terms and provisions contained in this Seventh Supplemental Indenture will constitute, and are hereby expressly made, a part of the Indenture, and the Issuers, the Subsidiary Guarantors and the Trustee, by their execution and delivery of this Seventh Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. The Indenture and this Seventh Supplemental Indenture shall be read, taken and construed as one and the same instrument. In the event that any provision of this Seventh Supplemental Indenture expressly limits, qualifies or conflicts with a provision of the Indenture, such provision of this Seventh Supplemental Indenture shall control.

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3. EFFECTIVENESS; CONDITIONS PRECEDENT.

4. INDENTURE AMENDMENTS. Pursuant to Section 9.02 of the Indenture, and subject to Section 3(b) of this Seventh Supplemental Indenture, the Indenture and the Notes are hereby amended as follows:

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5. CONFORMING CHANGES. In accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, permitted and approved any and all conforming changes, including conforming amendments, to the Notes to which their Consents related and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture.

6. NOTES. The Notes, with effect on and from the date hereof, shall be deemed supplemented, modified and amended in such manner as necessary to make the terms of the Notes consistent with the terms of the Indenture, as amended by this Seventh Supplemental Indenture.

7. Ratification OF THE INDENTURE; SEVENTH SUPPLEMENTAL INDENTURE PART OF THE 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 Seventh Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder heretofore or hereafter authenticated and delivered shall be bound hereby. Upon and after the execution of this Seventh Supplemental Indenture, each reference to the Indenture or the Notes in the Indenture or the Notes shall mean and be a reference to the Indenture or the Notes as modified hereby after giving effect to this Seventh Supplemental Indenture. The rights, protections and indemnities provided to the Trustee under the Indenture shall apply to any action (or inaction) of the Trustee in connection herewith, including in connection with the execution and delivery of this Seventh Supplemental Indenture.

8. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SEVENTH SUPPLEMENTAL INDENTURE WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

9. COUNTERPARTS. The parties may sign any number of copies of this Seventh 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 hereof.

11. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Seventh Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuers and the Subsidiary Guarantors.

12. SEPARABILITY CLAUSE. In case any provision in this Seventh Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

13. Successors AND ASSIGNS. All covenants and agreements in this Seventh Supplemental Indenture by the Issuers and the Subsidiary Guarantors shall bind their respective successors and assigns, whether so expressed or not.

[Signatures on following page]

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IN WITNESS WHEREOF, the parties hereto have caused this Seventh Supplemental Indenture to be duly executed and attested, all as of the date first above written.

Dated: September 23, 2021

[Signature Page to Seventh Supplemental Indenture (2028 Notes)]

[Signature Page to Seventh Supplemental Indenture (2028 Notes)]

[Signature Page to Seventh Supplemental Indenture (2028 Notes)]

Exhibit 4.4

SEVENTH SUPPLEMENTAL INDENTURE TO INDENTURE

SEVENTH SUPPLEMENTAL INDENTURE (this “Seventh Supplemental Indenture”), dated as of September 23, 2021, among MGP Finance Co-Issuer, Inc., a Delaware corporation (the “Co-Issuer”), MGM Growth Properties Operating Partnership LP, a Delaware limited partnership (the “Issuer” and, together with the Co-Issuer, the “Issuers”), the Subsidiary Guarantors (as defined in the Indenture referred to herein) and U.S. 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 Issuers have heretofore executed and delivered to the Trustee an indenture, dated as of January 25, 2019 (as amended or supplemented as of the date hereof, the “Indenture”), providing for the issuance of 5.750% Senior Notes due 2027 (the “Notes”);

WHEREAS, Section 9.02 of the Indenture provides that the Indenture may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the then outstanding Notes, subject to certain exceptions set forth in Section 9.02 (not applicable to the amendments to the Indenture to be effected by this Seventh Supplemental Indenture), which require the affirmative consent of each Holder affected thereby;

WHEREAS, VICI Properties L.P., a Delaware limited partnership, and VICI Note Co. Inc., a Delaware corporation (together, the “VICI Issuers”), on behalf of the Issuers, have solicited from Holders of the Notes, upon the terms and subject to the conditions set forth in the offering memorandum, dated September 13, 2021 (the “Offering Memorandum”), consents (“Consents”) to the amendments of certain provisions of the Indenture as set forth in Section 4 hereof (the “Proposed Amendments”);

WHEREAS, as of the date hereof, eligible Holders of at least a majority in aggregate principal amount of the Notes (the “Consenting Holders”) have validly tendered, and not withdrawn, their Consents to the adoption of the Proposed Amendments to be effectuated by this Seventh Supplemental Indenture in accordance with the provisions of the Indenture, and the Issuers, having received the requisite consents for the Proposed Amendments, desire to amend the Indenture as provided in this Seventh Supplemental Indenture;

WHEREAS, in accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, have permitted and approved any and all conforming changes, including conforming amendments, to the Notes and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture; and

WHEREAS, all things necessary to make this Seventh Supplemental Indenture a valid and binding agreement of the parties, in accordance with its terms, and a valid amendment of, and supplement to, the Indenture have been done, and the execution and delivery of this Seventh Supplemental Indenture have been duly authorized in all respects and, pursuant to Section 9.02 of the Indenture, the Issuers, the Subsidiary Guarantors and the Trustee are authorized to execute and deliver this Seventh Supplemental Indenture.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Issuers, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. RELATIONSHIP WITH INDENTURE. The terms and provisions contained in this Seventh Supplemental Indenture will constitute, and are hereby expressly made, a part of the Indenture, and the Issuers, the Subsidiary Guarantors and the Trustee, by their execution and delivery of this Seventh Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. The Indenture and this Seventh Supplemental Indenture shall be read, taken and construed as one and the same instrument. In the event that any provision of this Seventh

1

Supplemental Indenture expressly limits, qualifies or conflicts with a provision of the Indenture, such provision of this Seventh Supplemental Indenture shall control.

3. EFFECTIVENESS; CONDITIONS PRECEDENT.

4. INDENTURE AMENDMENTS. Pursuant to Section 9.02 of the Indenture, and subject to Section 3(b) of this Seventh Supplemental Indenture, the Indenture and the Notes are hereby amended as follows:

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5. CONFORMING CHANGES. In accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, permitted and approved any and all conforming changes, including conforming amendments, to the Notes to which their Consents related and any related documents and any documents appended thereto that may be required by, or as a result of, this Seventh Supplemental Indenture.

6. NOTES. The Notes, with effect on and from the date hereof, shall be deemed supplemented, modified and amended in such manner as necessary to make the terms of the Notes consistent with the terms of the Indenture, as amended by this Seventh Supplemental Indenture.

7. Ratification OF THE INDENTURE; SEVENTH SUPPLEMENTAL INDENTURE PART OF THE 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 Seventh Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder heretofore or hereafter authenticated and delivered shall be bound hereby. Upon and after the execution of this Seventh Supplemental Indenture, each reference to the Indenture or the Notes in the Indenture or the Notes shall mean and be a reference to the Indenture or the Notes as modified hereby after giving effect to this Seventh Supplemental Indenture. The rights, protections and indemnities provided to the Trustee under the Indenture shall apply to any action (or inaction) of the Trustee in connection herewith, including in connection with the execution and delivery of this Seventh Supplemental Indenture.

8. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SEVENTH SUPPLEMENTAL INDENTURE WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

9. COUNTERPARTS. The parties may sign any number of copies of this Seventh 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 hereof.

11. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Seventh Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuers and the Subsidiary Guarantors.

12. SEPARABILITY CLAUSE. In case any provision in this Seventh Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

13. Successors AND ASSIGNS. All covenants and agreements in this Seventh Supplemental Indenture by the Issuers and the Subsidiary Guarantors shall bind their respective successors and assigns, whether so expressed or not.

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[Signatures on following page]

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IN WITNESS WHEREOF, the parties hereto have caused this Seventh Supplemental Indenture to be duly executed and attested, all as of the date first above written.

Dated: September 23, 2021

[Signature Page to Seventh Supplemental Indenture (2027 Notes)]

[Signature Page to Seventh Supplemental Indenture (2027 Notes)]

[Signature Page to Seventh Supplemental Indenture (2027 Notes)]

Exhibit 4.5

FIRST SUPPLEMENTAL INDENTURE TO INDENTURE

FIRST SUPPLEMENTAL INDENTURE (this “First Supplemental Indenture”), dated as of September 23, 2021, among MGP Finance Co-Issuer, Inc., a Delaware corporation (the “Co-Issuer”), MGM Growth Properties Operating Partnership LP, a Delaware limited partnership (the “Issuer” and, together with the Co-Issuer, the “Issuers”), the Subsidiary Guarantors (as defined in the Indenture referred to herein) and U.S. 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 Issuers have heretofore executed and delivered to the Trustee an indenture, dated as of June 5, 2020 (as amended or supplemented as of the date hereof, the “Indenture”), providing for the issuance of 4.625% Senior Notes due 2025 (the “Notes”);

WHEREAS, Section 9.02 of the Indenture provides that the Indenture may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the then outstanding Notes, subject to certain exceptions set forth in Section 9.02 (not applicable to the amendments to the Indenture to be effected by this First Supplemental Indenture), which require the affirmative consent of each Holder affected thereby;

WHEREAS, VICI Properties L.P., a Delaware limited partnership, and VICI Note Co. Inc., a Delaware corporation (together, the “VICI Issuers”), on behalf of the Issuers, have solicited from Holders of the Notes, upon the terms and subject to the conditions set forth in the offering memorandum, dated September 13, 2021 (the “Offering Memorandum”), consents (“Consents”) to the amendments of certain provisions of the Indenture as set forth in Section 4 hereof (the “Proposed Amendments”);

WHEREAS, as of the date hereof, eligible Holders of at least a majority in aggregate principal amount of the Notes (the “Consenting Holders”) have validly tendered, and not withdrawn, their Consents to the adoption of the Proposed Amendments to be effectuated by this First Supplemental Indenture in accordance with the provisions of the Indenture, and the Issuers, having received the requisite consents for the Proposed Amendments, desire to amend the Indenture as provided in this First Supplemental Indenture;

WHEREAS, in accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, have permitted and approved any and all conforming changes, including conforming amendments, to the Notes and any related documents and any documents appended thereto that may be required by, or as a result of, this First Supplemental Indenture; and

WHEREAS, all things necessary to make this First Supplemental Indenture a valid and binding agreement of the parties, in accordance with its terms, and a valid amendment of, and supplement to, the Indenture have been done, and the execution and delivery of this First Supplemental Indenture have been duly authorized in all respects and, pursuant to Section 9.02 of the Indenture, the Issuers, the Subsidiary Guarantors and the Trustee are authorized to execute and deliver this First Supplemental Indenture.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Issuers, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. RELATIONSHIP WITH INDENTURE. The terms and provisions contained in this First Supplemental Indenture will constitute, and are hereby expressly made, a part of the Indenture, and the Issuers, the Subsidiary Guarantors and the Trustee, by their execution and delivery of this First Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. The Indenture and this First Supplemental Indenture shall be read, taken and construed as one and the same instrument. In the event that any provision of this First Supplemental

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Indenture expressly limits, qualifies or conflicts with a provision of the Indenture, such provision of this First Supplemental Indenture shall control.

3. EFFECTIVENESS; CONDITIONS PRECEDENT.

4. INDENTURE AMENDMENTS. Pursuant to Section 9.02 of the Indenture, and subject to Section 3(b) of this First Supplemental Indenture, the Indenture and the Notes are hereby amended as follows:

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5. CONFORMING CHANGES. In accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, permitted and approved any and all conforming changes, including conforming amendments, to the Notes to which their Consents related and any related documents and any documents appended thereto that may be required by, or as a result of, this First Supplemental Indenture.

6. NOTES. The Notes, with effect on and from the date hereof, shall be deemed supplemented, modified and amended in such manner as necessary to make the terms of the Notes consistent with the terms of the Indenture, as amended by this First Supplemental Indenture.

7. Ratification OF THE INDENTURE; FIRST SUPPLEMENTAL INDENTURE PART OF THE 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 First Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder heretofore or hereafter authenticated and delivered shall be bound hereby. Upon and after the execution of this First Supplemental Indenture, each reference to the Indenture or the Notes in the Indenture or the Notes shall mean and be a reference to the Indenture or the Notes as modified hereby after giving effect to this First Supplemental Indenture. The rights, protections and indemnities provided to the Trustee under the Indenture shall apply to any action (or inaction) of the Trustee in connection herewith, including in connection with the execution and delivery of this First Supplemental Indenture.

8. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS FIRST SUPPLEMENTAL INDENTURE WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

9. COUNTERPARTS. The parties may sign any number of copies of this First 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 hereof.

11. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this First Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuers and the Subsidiary Guarantors.

12. SEPARABILITY CLAUSE. In case any provision in this First Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

13. Successors AND ASSIGNS. All covenants and agreements in this First Supplemental Indenture by the Issuers and the Subsidiary Guarantors shall bind their respective successors and assigns, whether so expressed or not.

[Signatures on following page]

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IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed and attested, all as of the date first above written.

Dated: September 23, 2021

[Signature Page to First Supplemental Indenture (2025 Notes)]

[Signature Page to First Supplemental Indenture (2025 Notes)]

[Signature Page to First Supplemental Indenture (2025 Notes)]

Exhibit 4.6

FIRST SUPPLEMENTAL INDENTURE TO INDENTURE

FIRST SUPPLEMENTAL INDENTURE (this “First Supplemental Indenture”), dated as of September 23, 2021, among MGP Finance Co-Issuer, Inc., a Delaware corporation (the “Co-Issuer”), MGM Growth Properties Operating Partnership LP, a Delaware limited partnership (the “Issuer” and, together with the Co-Issuer, the “Issuers”), the Subsidiary Guarantors (as defined in the Indenture referred to herein) and U.S. 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 Issuers have heretofore executed and delivered to the Trustee an indenture, dated as of November 19, 2020 (as amended or supplemented as of the date hereof, the “Indenture”), providing for the issuance of 3.875% Senior Notes due 2029 (the “Notes”);

WHEREAS, Section 9.02 of the Indenture provides that the Indenture may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the then outstanding Notes, subject to certain exceptions set forth in Section 9.02 (not applicable to the amendments to the Indenture to be effected by this First Supplemental Indenture), which require the affirmative consent of each Holder affected thereby;

WHEREAS, VICI Properties L.P., a Delaware limited partnership, and VICI Note Co. Inc., a Delaware corporation (together, the “VICI Issuers”), on behalf of the Issuers, have solicited from Holders of the Notes, upon the terms and subject to the conditions set forth in the offering memorandum, dated September 13, 2021 (the “Offering Memorandum”), consents (“Consents”) to the amendments of certain provisions of the Indenture as set forth in Section 4 hereof (the “Proposed Amendments”);

WHEREAS, as of the date hereof, eligible Holders of at least a majority in aggregate principal amount of the Notes (the “Consenting Holders”) have validly tendered, and not withdrawn, their Consents to the adoption of the Proposed Amendments to be effectuated by this First Supplemental Indenture in accordance with the provisions of the Indenture, and the Issuers, having received the requisite consents for the Proposed Amendments, desire to amend the Indenture as provided in this First Supplemental Indenture;

WHEREAS, in accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, have permitted and approved any and all conforming changes, including conforming amendments, to the Notes and any related documents and any documents appended thereto that may be required by, or as a result of, this First Supplemental Indenture; and

WHEREAS, all things necessary to make this First Supplemental Indenture a valid and binding agreement of the parties, in accordance with its terms, and a valid amendment of, and supplement to, the Indenture have been done, and the execution and delivery of this First Supplemental Indenture have been duly authorized in all respects and, pursuant to Section 9.02 of the Indenture, the Issuers, the Subsidiary Guarantors and the Trustee are authorized to execute and deliver this First Supplemental Indenture.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Issuers, the Subsidiary Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders as follows:

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2. RELATIONSHIP WITH INDENTURE. The terms and provisions contained in this First Supplemental Indenture will constitute, and are hereby expressly made, a part of the Indenture, and the Issuers, the Subsidiary Guarantors and the Trustee, by their execution and delivery of this First Supplemental Indenture, expressly agree to such terms and provisions and to be bound thereby. The Indenture and this First Supplemental Indenture shall be read, taken and construed as one and the same instrument. In the event that any provision of this First Supplemental Indenture expressly limits, qualifies or conflicts with a provision of the Indenture, such provision of this First Supplemental Indenture shall control.

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3. EFFECTIVENESS; CONDITIONS PRECEDENT.

4. INDENTURE AMENDMENTS. Pursuant to Section 9.02 of the Indenture, and subject to Section 3(b) of this First Supplemental Indenture, the Indenture and the Notes are hereby amended as follows:

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5. CONFORMING CHANGES. In accordance with Section 9.02 of the Indenture, the Consenting Holders, by delivery of their Consents, permitted and approved any and all conforming changes, including conforming amendments, to the Notes to which their Consents related and any related documents and any documents appended thereto that may be required by, or as a result of, this First Supplemental Indenture.

6. NOTES. The Notes, with effect on and from the date hereof, shall be deemed supplemented, modified and amended in such manner as necessary to make the terms of the Notes consistent with the terms of the Indenture, as amended by this First Supplemental Indenture.

7. Ratification OF THE INDENTURE; FIRST SUPPLEMENTAL INDENTURE PART OF THE 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 First Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder heretofore or hereafter authenticated and delivered shall be bound hereby. Upon and after the execution of this First Supplemental Indenture, each reference to the Indenture or the Notes in the Indenture or the Notes shall mean and be a reference to the Indenture or the Notes as modified hereby after giving effect to this First Supplemental Indenture. The rights, protections and indemnities provided to the Trustee under the Indenture shall apply to any action (or inaction) of the Trustee in connection herewith, including in connection with the execution and delivery of this First Supplemental Indenture.

8. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS FIRST SUPPLEMENTAL INDENTURE WITHOUT GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

9. COUNTERPARTS. The parties may sign any number of copies of this First 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 hereof.

11. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this First Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuers and the Subsidiary Guarantors.

12. SEPARABILITY CLAUSE. In case any provision in this First Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

13. SUCCESSORS AND ASSIGNS. All covenants and agreements in this First Supplemental Indenture by the Issuers and the Subsidiary Guarantors shall bind their respective successors and assigns, whether so expressed or not.

[Signatures on following page]

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IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed and attested, all as of the date first above written.

Dated: September 23, 2021

[Signature Page to First Supplemental Indenture (2029 Notes)]

[Signature Page to First Supplemental Indenture (2029 Notes)]

[Signature Page to First Supplemental Indenture (2029 Notes)]