THIS THIRTEENTH SUPPLEMENTAL INDENTURE (this “Thirteenth Supplemental
Indenture”) is dated as of January 16, 2026 and is executed by and among KB Home, a Delaware
corporation (“Company”), the Existing Guarantors (as defined below) and KB HOME Raleigh-
Durham Inc., a Delaware corporation (“Additional Guarantor”), and Regions Bank (successor to
U.S. Bank Trust Company, National Association), as trustee (the “Trustee”).
RECITALS:
WHEREAS, the Company, the guarantors party thereto and the Trustee have heretofore
executed and delivered an Indenture dated as of January 28, 2004 (the “Original Indenture”),
providing for the issuance by the Company from time to time of its Securities (as defined in the
Original Indenture), a First Supplemental Indenture dated as of January 28, 2004 (the “First
Supplemental Indenture”), a Second Supplemental Indenture dated as of June 30, 2004 (the
“Second Supplemental Indenture”), a Third Supplemental Indenture dated as of May 1, 2006 (the
“Third Supplemental Indenture”), a Fourth Supplemental Indenture dated as of November 9, 2006
(the “Fourth Supplemental Indenture”), a Fifth Supplemental Indenture dated as of August 17, 2007
(the “Fifth Supplemental Indenture”), a Sixth Supplemental Indenture dated as of January 30, 2012
(the “Sixth Supplemental Indenture”), a Seventh Supplemental Indenture dated as of January 11,
2013 (the “Seventh Supplemental Indenture”), an Eighth Supplemental Indenture dated as of March
12, 2013 (the “Eighth Supplemental Indenture”), a Ninth Supplemental Indenture dated as of
February 28, 2014 (the “Ninth Supplemental Indenture”), a Tenth Supplemental Indenture dated as
of January 22, 2019 (the “Tenth Supplemental Indenture”), an Eleventh Supplemental Indenture
dated as of January 20, 2022 (the “Eleventh Supplemental Indenture”), and a Twelfth Supplemental
Indenture dated as of January 19, 2023 (the “Twelfth Supplemental Indenture”); the Original
Indenture, as amended and supplemented by the First Supplemental Indenture, the Second
Supplemental Indenture, the Third Supplemental Indenture, the Fourth Supplemental Indenture, the
Fifth Supplemental Indenture, the Sixth Supplemental Indenture, the Seventh Supplemental
Indenture, the Eighth Supplemental Indenture, the Ninth Supplemental Indenture, the Tenth
Supplemental Indenture, the Eleventh Supplemental Indenture, the Twelfth Supplemental Indenture
and this Thirteenth Supplemental Indenture, is hereinafter called the “Indenture”, which term shall
include the terms and provisions of each series of Securities established from time to time pursuant
to Section 301 of the Original Indenture;
WHEREAS, pursuant to Articles Two and Three of the Original Indenture, the Company
has established (i) by an Officers’ Certificate and Guarantor’s Officers’ Certificate, dated as of
February 20, 2019, the form and terms of a series of the Company’s Securities designated the
“6.875% Senior Notes due 2027” (“2027 Notes”), (ii) by an Officers’ Certificate and Guarantor’s
Officers’ Certificate, dated as of November 4, 2019, the form and terms of a series of the
Company’s Securities designated the “4.800% Senior Notes due 2029” (“2029 Notes”), (iii) by an
Officers’ Certificate and Guarantor’s Officers’ Certificate, dated as of June 9, 2021, the form and
terms of a series of the Company’s Securities designated the “4.00% Senior Notes due
2031” (“2031 Notes”), and (iv) by an Officers’ Certificate and Guarantor’s Officers’ Certificate,
dated as of June 22, 2022, the form and terms of a series of the Company’s Securities designated
the “7.250% Senior Notes due 2030” (“2030 Notes” and, together with the 2027 Notes, the 2029
Notes, and the 2031 Notes, “Senior Notes”) (the Officers’ Certificates and Guarantor’s Officers’
Certificates referred to in clauses (i), (ii), (iii) and (iv) of this paragraph are hereinafter called,
together, “Existing Certificates”);