Exhibit 4.3
SUPPLEMENTAL INDENTURE
Supplemental Indenture (this “Supplemental Indenture”), dated as of December 19, 2025, among MPSAB, LLC, a Delaware limited liability company (the “Guaranteeing Subsidiary”), a subsidiary of Millrose Properties, Inc., a Maryland corporation (the “Issuer”), the Issuer and Citibank, N.A., as the Trustee (the “Trustee”).
W I T N E S S E T H
WHEREAS, the Issuer and the Subsidiary Guarantors party thereto have heretofore executed and delivered to the Trustee an indenture (the “Indenture”), dated as of August 7, 2025, providing for the issuance of an unlimited aggregate principal amount of 6.375% Senior Notes due 2030 (the “Notes”);
WHEREAS, Section 4.16 of the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally Guarantee all of the Issuer’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein and under the Indenture; and
WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture.
NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree for the equal and ratable benefit of the Holders as follows:
[Signature Page Follows]
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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed, all as of the date first above written.
MPSAB, LLC, a Delaware liability company
By: Millrose Properties SPE LLC, a Delaware limited liability company, its sole member
By: Millrose Properties, Inc., a Maryland corporation, its sole member | ||
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By: | /s/ Darren L. Richman | |
| Name: | Darren Richman |
| Title: | Chief Executive Officer and President |
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MILLROSE PROPERTIES, INC. | ||
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By: | /s/ Darren L. Richman | |
| Name: | Darren Richman |
| Title: | Chief Executive Officer and President |
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CITIBANK, N.A., as Trustee | ||
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By: | /s/ Kari-anne Marshall | |
| Name: | Kari-anne Marshall |
| Title: | Senior Trust Officer |
[Signature Page to Supplemental Indenture]