Document:

EX-4.6

 Exhibit 4.6 

FIRST SUPPLEMENTAL INDENTURE

First Supplemental Indenture (this “First Supplemental Indenture”), dated as of August 12, 2015, between Health Net,
Inc., a Delaware corporation (the “Issuer”) and The Bank of New York Mellon Trust Company, N.A. as trustee (the “Trustee”). 

W I T N E S S E T H
 WHEREAS, the
Issuer has heretofore executed and delivered to the Trustee an Indenture (the “Indenture”), dated as of May 18, 2007, providing for the issuance from time to time of its unsecured debentures, notes or other evidences of
indebtedness to be issued in one or more series (the “Securities”) up to such principal amount or amounts as may from time to time be authorized in accordance with the terms of this Indenture; 

WHEREAS, the Issuer has heretofore executed and delivered to the Trustee two officer’s certificates, dated May 18, 2007 and
May 31, 2007, (each an “Officer’s Certificate,” and collectively, the “Officer’s Certificates”) establishing the terms and form of the Issuer’s $400,000,000 aggregate principal amount of its
6.375% Senior Notes due 2017 (the “Notes”); 
 WHEREAS, on July 2, 2015, the Issuer, Centene Corporation, a Delaware
corporation (“Centene”), Chopin Merger Sub I, Inc., a Delaware corporation (“Merger Sub I”) and Chopin Merger Sub II, Inc., a Delaware corporation (“Merger Sub II”) entered into the
merger agreement (the “Merger Agreement”), which provides that, subject to the terms and conditions of the Merger Agreement and in accordance with the General Corporation Law of the State of Delaware (“DGCL”), Merger Sub I
will merge with and into the Issuer, with the Issuer continuing as the surviving entity and a direct wholly owned subsidiary of Centene (the “Merger”); 

WHEREAS, on August 3, 2015, the Issuer issued a consent solicitation statement (the “Consent Solicitation Statement”)
pursuant to which the Issuer solicited consents (the “Consent Solicitation”) from holders of a majority in aggregate principal amount of the outstanding Notes (the “Required Consents”) to certain proposed amendments
of certain provisions of the Indenture (the “Proposed Amendments”); 
 WHEREAS, at or prior to 10:00 a.m., New York City
time, on August 12, 2015, the Company received the Required Consents pursuant to the Consent Solicitation;
 WHEREAS, the Indenture
provides pursuant to Section 8.2 that under certain circumstances, the Trustee shall join with the Issuer in the execution of any amended or supplemental indenture authorized or permitted by the terms of the Indenture and to make any further
appropriate agreements and stipulations that may be therein contained; and
 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:

(1) Capitalized Terms. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

(2) Certain Amendments to the Notes. The Notes are hereby amended as follows:

  
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 (a) Modification of the Definition of “Change of Control”: The definition of
“Change of Control” as set forth in the Notes is modified by appending the following language to the end of the definition: 

Notwithstanding the foregoing, the consummation of the transactions contemplated by the Merger Agreement, including the acquisition by Centene
Corporation, a Delaware corporation, or any of its affiliates of all right, title and interest in all of the issued and outstanding shares of the Issuer’s voting stock and any appointment or change in the Board of Directors upon or in
connection with the consummation of the Merger Agreement, shall not constitute a Change of Control hereunder. Furthermore, and for the avoidance of doubt, if a Person is appointed to the Board of Directors in connection with the consummation of the
transactions contemplated by the Merger Agreement, such Person shall constitute a Continuing Director hereunder. 
 (b) Addition of the
Definition of “Merger Agreement”: The following definition of “Merger Agreement” is added to the Notes: 

“Merger Agreement” means that Merger Agreement, dated as of July 2, 2015, among the Issuer, Centene Corporation, a Delaware
corporation, Chopin Merger Sub I, Inc., a Delaware corporation and Chopin Merger Sub II, Inc., a Delaware corporation, as amended, modified or waived from time to time. 

(3) Termination. This First Supplemental Indenture shall terminate and the rights of the holders of the Notes shall be reinstated as set
forth in the Indenture immediately prior to the execution of this First Supplemental Indenture at the termination of the Merger Agreement. The Issuer will notify the Trustee promptly after the termination of the Merger Agreement.

(4) Governing Law. THIS FIRST SUPPLEMENTAL INDENTURE SHALL BE DEEMED TO BE A CONTRACT UNDER THE LAWS OF THE STATE OF NEW YORK, AND FOR
ALL PURPOSES SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF SUCH STATE, INCLUDING, WITHOUT LIMITATION, SECTIONS 5-1401 AND 
5-1402 OF THE NEW YORK GENERAL OBLIGATIONS LAW AND NEW YORK CIVIL PRACTICE LAWS AND RULES

327(b).
 EACH OF THE ISSUER AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL
RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS FIRST SUPPLEMENTAL INDENTURE, THE NOTES OR THE TRANSACTION CONTEMPLATED HEREBY.

(5) Counterparts. This First Supplemental Indenture may be executed in any number of counterparts, each of which shall be an original;
but such counterparts shall together constitute but one and the same instrument.
 (6) Effect of Headings. The Section headings herein
are for convenience only and shall not affect the construction hereof.
 (7) The Trustee. The recitals contained herein and in the
notes shall be taken as the statements of the Issuer, and the Trustee assumes no responsibility for the correctness of the same. The Trustee makes no representation as to the validity or sufficiency of this First Supplemental Indenture or
of the Notes. The Trustee shall not be accountable for the use or application by the Issuer of any of the Notes or of the proceeds thereof.

  
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 (8) Successors. All the covenants, stipulations, promises and agreements in this First
Supplemental Indenture contained by or on behalf of the Issuer shall bind its successors and assigns, whether so expressed or not.
 (9)
Miscellaneous. The amendments set forth in Section 2 hereof shall become operative in respect of all of the Notes on the date following the Expiration Date (as defined in the Consent Solicitation Statement) on which the Consent Consideration
(as defined in the Consent Solicitation Statement) is paid by or on behalf of the Issuer. Notwithstanding anything to the contrary in this First Supplemental Indenture, all of the amendments set forth in Section 2 hereof will not become operative,
and will cease to be effective, if the Consent Consideration is not paid.

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

			
	HEALTH NET, INC.
		
	By:	 	 /s/ Kathleen A. Waters

		 	Name: Kathleen A. Waters
		 	Title: Senior Vice President, General Counsel and Secretary
		
		 	 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.,

as Trustee

		
	By:	 	 /s/ Jonathan Glover

		 	Name: Jonathan Glover
		 	Title: Vice PresidentEX-4.7

 Exhibit 4.7 

SECOND SUPPLEMENTAL INDENTURE 

Second Supplemental Indenture (this “Second Supplemental Indenture”), dated as of March 24, 2016, between Health Net, Inc., a
Delaware corporation formerly known as Chopin Merger Sub II, Inc. (the “Company”) and The Bank of New York Mellon Trust Company, N.A. as trustee (the “Trustee”). 

W I T N E S S E T H 
 WHEREAS,
Health Net, Inc., a Delaware corporation (“Health Net”), has heretofore executed and delivered to the Trustee an Indenture, dated as of May 18, 2007 (the “Original Indenture”), as amended by the First
Supplemental Indenture, dated as of August 12, 2015 (together with the Original Indenture, the “Indenture”), providing for the issuance from time to time of its unsecured debentures, notes or other evidences of indebtedness to
be issued in one or more series (the “Securities”) up to such principal amount or amounts as may from time to time be authorized in accordance with the terms of the Indenture; 

WHEREAS, Health Net has heretofore executed and delivered to the Trustee two officer’s certificates, dated May 18, 2007 and
May 31, 2007, (each an “Officer’s Certificate,” and collectively, the “Officer’s Certificates”) establishing the terms and form of Health Net’s $400,000,000 aggregate principal amount of its
6.375% Senior Notes due 2017 (the “Notes”); 
 WHEREAS, on July 2, 2015, Health Net, Centene Corporation, a Delaware
corporation (“Centene”), Chopin Merger Sub I, Inc., a Delaware corporation (“Merger Sub I”) and the Company entered into the merger agreement (the “Merger Agreement”), which provides that, subject
to the terms and conditions of the Merger Agreement and in accordance with the General Corporation Law of the State of Delaware (“DGCL”), Merger Sub I will merge with and into Health Net, with Health Net continuing as the surviving
entity and a direct wholly owned subsidiary of Centene (the “First Merger”); 
 WHEREAS, the Merger Agreement provides
that, following the completion of the First Merger and subject to the terms and conditions of the Merger Agreement and in accordance with the DGCL, Health Net will merge with the Company, with the Company continuing as the surviving entity and being
renamed Health Net, Inc. (the “Second Merger”); 
 WHEREAS, the First Merger and the Second Merger were consummated on the
date hereof; 
 WHEREAS, the Indenture provides pursuant to Section 9.1 that following the completion of a merger involving the Issuer,
if the Issuer is not the continuing corporation, the successor corporation shall expressly assume by supplemental indenture all the obligations of the Issuer under the Securities and the Indenture; and 

WHEREAS, Section 8.1 of the Indenture provides that a supplemental indenture may be entered into without the consent of the
Securityholders to evidence the succession of another corporation to the Issuer and the assumption by the successor corporation of the covenants, agreements and obligations of the Issuer pursuant to Article IX of the 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 as follows: 
 (1) Capitalized Terms. Capitalized terms used herein without definition shall
have the meanings assigned to them in the Indenture. 

  
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 (2) Agreement to Assume Obligations. Effective upon the execution of this Second
Supplemental Indenture, the Company hereby agrees to assume all Health Net’s obligations of the Issuer under the Securities and the Indenture on the terms and subject to the conditions set forth in the Indenture. 

(3) Release of Obligations. Effective upon the execution of this Second Supplemental Indenture, Health Net is relieved of all
obligations and covenants under the Indenture and the Securities, without any further action on the part of Health Net or the Trustee. 

(4) Governing Law. THIS SECOND SUPPLEMENTAL INDENTURE SHALL BE DEEMED TO BE A CONTRACT UNDER THE LAWS OF THE STATE OF NEW YORK, AND FOR
ALL PURPOSES SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF SUCH STATE, INCLUDING, WITHOUT LIMITATION, SECTIONS 5-1401 AND 5-1402 OF THE NEW YORK
GENERAL OBLIGATIONS LAW AND NEW YORK CIVIL PRACTICE LAWS AND RULES 327(b). 
 EACH OF THE COMPANY AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES,
TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS SECOND SUPPLEMENTAL INDENTURE, THE NOTES OR THE TRANSACTION CONTEMPLATED HEREBY. 

(5) Counterparts. This Second Supplemental Indenture may be executed in any number of counterparts, each of which shall be an original;
but such counterparts shall together constitute but one and the same instrument. 
 (6) Effect of Headings. The Section headings
herein are for convenience only and shall not affect the construction hereof. 
 (7) The Trustee. The recitals contained herein shall
be taken as the statements of the Company, and the Trustee assumes no responsibility for the correctness of the same. The Trustee makes no representation as to the validity or sufficiency of this Second Supplemental Indenture. 

(8) Successors. All the covenants, stipulations, promises and agreements in this Second Supplemental Indenture contained by or on
behalf of the Company shall bind its successors and assigns, whether so expressed or not. 
 (9) Notice. Notice of this Second
Supplemental Indenture to The Depository Trust Company (“DTC”) will be sent via applicable DTC procedures. 

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

			
	HEALTH NET, INC. (f/k/a CHOPIN MERGER SUB II, INC.)
		
	By:	 	 /s/ Keith H. Williamson

		 	Name:  Keith H. Williamson
		 	Title:    Secretary
	
	 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.,

as Trustee

		
	By:	 	 /s/ Lawrence M. Kusch

		 	Name:  Lawrence M. Kusch
		 	Title:    Vice President

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