Exhibit 4.3


 


SECOND SUPPLEMENTAL
INDENTURE


 


THIS SECOND SUPPLEMENTAL
INDENTURE dated as of June 7, 2020 is by and among U. S. Bank National Association, a national banking association (herein,
together with its successors in interest, the "Trustee"), South State Corporation, a South Carolina corporation
(the "Successor Company"), and CenterState Bank Corporation, a Florida corporation (the "Company")
and the "Company" under the Indenture.


 


NOW, THEREFORE, in
consideration of the premises and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged
by the parties hereto, the Trustee, the Company, and the Successor Company hereby agree as follows:


 


PRELIMINARY
STATEMENTS


 


The Trustee and the
Company are parties to that certain Indenture and First Supplemental Indenture dated as of May 29, 2020 (collectively, the "Indenture"),
pursuant to which the Company issued U.S. $200,000,000 aggregate principal amount of its 5.750% Fixed-to-Floating Rate Subordinated
Notes due 2030 (the "Notes").


 


As permitted by the
terms of the Indenture, the Company, simultaneously with the effectiveness of this Second Supplemental Indenture, shall merge (referred
to herein and for purposes of Article IX of the Indenture as the "Merger") with and into the Successor Company,
with the Successor Company as the surviving corporation. The parties hereto are entering into this Second Supplemental Indenture
pursuant to, and in accordance with, Section 901(a) of the Indenture.


 


Section 1.  Definitions.
All capitalized terms used herein which are defined in the Indenture, either directly or by reference therein, shall have the respective
meanings assigned to them in the Indenture except as otherwise provided herein or unless the context otherwise requires.


 


Section 2.    Interpretation.



 


		(a)	In this Second Supplemental Indenture, unless a clear contrary intention appears:



 


		(i)	the singular number includes the plural number and vice versa;



 


		(ii)	reference to any gender includes the other gender;



 


		(iii)	the words "herein," "hereof" and "hereunder" and other words of similar
import refer to this Second Supplemental Indenture as a whole and not to any particular Section or other subdivision;



 


		(iv)	reference to any person includes such Person's successors and assigns but, if applicable, only
if such successors and assigns are permitted by this Second Supplemental Indenture or the Indenture, and reference to a Person
in a particular capacity excludes such Person in any other capacity or individually provided that nothing in this clause (iv) is
intended to authorize any assignment not otherwise permitted by this Second Supplemental Indenture or the Indenture;



 






    


     


    

 


		(v)	reference to any agreement, document or instrument means such agreement, document or instrument
as amended, supplemented or modified and in effect from time to time in accordance with the terms thereof and, if applicable, the
terms hereof, as well as any substitution or replacement therefor and reference to any note includes modifications thereof and
any note issued in extension or renewal thereof or in substitution or replacement therefor;



 


		(vi)	reference to any Section means such Section of this Second Supplemental Indenture; and



 


		(vii)	the word "including" (and with correlative meaning "include") means including
without limiting the generality of any description preceding such term.



 


		(b)	No provision in this Second Supplemental Indenture shall be interpreted or construed against any
Person because that Person or its legal representative drafted such provision.



 


Section 3.    Assumption
of Obligations. 


 


		(a)	Pursuant to, and in compliance and accordance with, Section 801 of the Indenture, the Successor
Company hereby expressly assumes the due and punctual payment of the principal of (and premium, if any) and interest on, all of
the Notes in accordance with their terms, and the due and punctual performance and observance of all of the covenants and conditions
of the Indenture to be kept or performed by the Company.



 


		(b)	Pursuant to, and in compliance and accordance with, Section 802 of the Indenture, the Successor
Company succeeds to, is substituted for, and may exercise every right and power of, the Company under the Indenture with the same
effect as if the Successor Company had originally been named in the Indenture as the Company.



 


Section 4.  Representations
and Warranties. The Successor Company represents and warrants that (a) it has all necessary power and authority to
execute and deliver this Second Supplemental Indenture and to perform the covenants and obligations of the Indenture, (b) it
is the successor of the Company pursuant to a valid merger effected in accordance with applicable law, (c) it is a corporation
organized and existing under the laws of the State of South Carolina and (d) this Second Supplemental Indenture is executed and
delivered pursuant to Section 901 of the Indenture and does not require the consent of the Securityholders.


 


Section 5.  Conditions
of Effectiveness. This Second Supplemental Indenture shall become effective simultaneously with the effectiveness of the
Merger, provided, however, that the Trustee shall have executed a counterpart of this Second Supplemental Indenture and shall have
received a counterpart of this Second Supplemental Indenture executed by the Company and the Successor Company.


 






    


     


    

 


Section 6.   Reference
to the Indenture.


 


		(a)	Upon the effectiveness of this Second Supplemental Indenture, each reference in the Indenture to
 "this Indenture," "hereunder," "herein" or words of like import shall mean and be a reference to
the Indenture, as affected, amended and supplemented hereby.



 


		(b)	Upon the effectiveness of this Second Supplemental Indenture, each reference in the Notes to the
Indenture including each term defined by reference to the Indenture shall mean and be a reference to the Indenture or such term,
as the case may be, as affected, amended and supplemented hereby.



 


		(c)	The Indenture, as amended and supplemented hereby, shall remain in full force and effect and is
hereby ratified and confirmed.



 


Section 7.   Addresses
for Notices.All notices or other communications to be addressed to the Company as contemplated by Section 105(a) of
the Indenture shall be addressed to the Successor Company as follows:


 


South State Corporation


1101 First Street South


Winter Haven, Florida, 33880


Attention: Chief Financial Officer


Telephone: (863) 293-4710


 


Section 8.   Execution
in Counterparts. This Second Supplemental Indenture may be executed in any number of counterparts and by different parties
hereto in separate counterparts, each of which when so executed and delivered shall be deemed to be an original and all of which
when taken together shall constitute but one and the same instrument.


 


Section 9.   Governing
Law; Binding Effect. This Second Supplemental Indenture shall be governed by and construed in accordance with the laws
of the State of New York and shall be binding upon the parties hereto and their respective successors and assigns.


 


Section 10. The
Trustee. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or
sufficiency of this Second Supplemental Indenture or the due execution thereof by the Company or the Successor Company. The
recitals of fact contained herein shall be taken as the statements solely of the Company or the Successor Company, and the
Trustee assumes no responsibility for the correctness thereof.


 





[Signatures on following page]


 






    


     


    

 





IN WITNESS WHEREOF,
the parties hereto have caused this Second Supplemental Indenture to be duly executed and effective as of the day and year first
written above, by their respective officers thereunto duly authorized.


 


	 	 	U. S. BANK NATIONAL ASSOCIATION
	 	 	 
	 	 	 
	 	 	By:	/s/ David W. Doucette
	 	 	Name:	David W. Doucette
	 	 	Title:	Vice President






 


[Signature Page to Second Supplemental Indenture – CenterState
Bank Subdebt Due 2030]


 






    


     


    

 


	 	SOUTH STATE CORPORATION
	 	 
	 	 
	 	By: 	/s/ Robert R. Hill, Jr.
	 	   	Name:	Robert R. Hill, Jr.
	 	 	Title:	Chief Executive Officer



 


[Signature Page to Second Supplemental
Indenture – CenterState Bank Sub Debt Due 2030]


 






    


     


    

 


	 	CENTERSTATE BANK CORPORATION


	 	 
	 	 
	 	By:	/s/ John C. Corbett   
	 	Name:	John C. Corbett
	 	Title:	Chief Executive Officer



 


[Signature Page to Second Supplemental
Indenture – CenterState Bank Sub Debt Due 2030]