Document:

EX-4.1

 EXHIBIT 4.1 

Second Supplemental Indenture (this “Second Supplemental Indenture”), dated as of March 4, 2021 among Nutrition &
Biosciences, Inc., a Delaware corporation (the “Company”), International Flavors & Fragrances Inc., a New York corporation (“IFF”), and U.S. Bank National Association, as trustee (the
“Trustee”). 
 W I T N E S S E T H 

WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture (as amended, modified or supplemented from time to
time, the “Indenture”), dated as of September 16, 2020, providing for the issuance of (i) $300,000,000 aggregate principal amount of 0.697% Senior Notes due 2022 (the “2022 Notes”), (ii) $1,000,000,000
aggregate principal amount of 1.230% Senior Notes due 2025 (the “2025 Notes”), (iii) $1,200,000,000 aggregate principal amount of 1.832% Senior Notes due 2027 (the “2027 Notes”), (iv) $1,500,000,000 aggregate
principal amount of 2.300% Senior Notes due 2030 (the “2030 Notes”), (v) $750,000,000 aggregate principal amount of 3.268% Senior Notes due 2040 and (vi) $1,500,000,000 aggregate principal amount of 3.468% Senior Notes due 2050
(together with the 2022 Notes, 2025 Notes, 2027 Notes, 2030 Notes and the 2040 Notes, the “Notes”); 
 WHEREAS, the
Indenture provides that substantially contemporaneously with the Company’s merger with and into Neptune Merger Sub II LLC, a wholly owned subsidiary of IFF, IFF, at the election of the Company and IFF, may assume the obligations of the Company
with respect to the Notes and the Indenture; and 
 WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to
execute and deliver this Second Supplemental Indenture without the consent of Holders. 
 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)    Assumption. IFF hereby expressly assumes the due and
punctual payment of the principal of (and premium, if any) and interest on all of the Notes of each series and the performance and observance of all of the covenants and conditions of the Indenture to be performed or observed by the Company. 

(3)    Release and Substitution. IFF is hereby substituted for the Company under the Indenture and
Notes and references therein to the Company shall henceforth be deemed to be to IFF, the Company is hereby released from any further obligation under the Indenture and Notes, IFF’s Guarantee under the Indenture is hereby released and the
Indenture and Notes shall be deemed correspondingly amended to reflect and implement the foregoing. 

(4)    Effect upon 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 Second Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or
hereafter authenticated and delivered shall be bound hereby. 

 (5)    Execution and Delivery. IFF agrees that
the Second Supplemental Indenture shall remain in full force and effect notwithstanding the absence of the endorsement of any notation of such Second Supplemental Indenture on the Notes. 

(6)    Governing Law. THIS SECOND SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 
 (7)    Counterparts. This Second
Supplemental Indenture may be executed in any number of counterparts, each of which shall be deemed an original, but all of which shall together constitute but one and the same instrument. The exchange of copies of this Second Supplemental Indenture
and of signature pages by facsimile, PDF or other electronic transmission shall constitute effective execution and delivery of this Second Supplemental Indenture as to the parties hereto and may be used in lieu of the original Indenture for all
purposes. Signatures of the parties hereto transmitted by facsimile, PDF or other electronic transmission shall constitute effective execution and delivery of this Indenture as to the parties hereto and such signatures shall be deemed to be their
original signatures for all purposes. The words “execution,” “signed,” “signature,” “delivery,” and words of like import in or relating to this Second Supplemental Indenture or any document to be signed in
connection with this Second Supplemental Indenture shall be deemed to include electronic signatures, including without limitation, digital signature provided by Docusign (or such other digital signature provider as specified in writing to Trustee by
the authorized representative), each of which shall be of the same legal effect, validity or enforceability as a manually executed signature. The Company agrees to assume all risks arising out of the use of using digital signatures and electronic
methods to submit communications to Trustee, including without limitation the risk of Trustee acting on unauthorized instructions, and the risk of interception and misuse by third parties. 

(8)    Effect of Headings. The Section headings herein are for convenience only and shall not affect
the construction hereof. 
 (9)    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 for or in respect of the recitals contained herein, all of which recitals are made solely by IFF and the Company. 

[Signature pages follow] 

  
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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. 
  

			
	NUTRITION & BIOSCIENCES, INC.
		
	By:	 	 /s/ John Taylor

		 	Name: John Taylor
		 	Title: Treasurer
	
	INTERNATIONAL FLAVORS & FRAGRANCES INC.
		
	By:	 	 /s/ Rustom Jilla

		 	Name: Rustom Jilla
		 	Title: Executive Vice President and Chief Financial Officer
	
	U.S. BANK NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Annette M. Marsula

		 	Name: Annette M. Marsula
		 	Title: Vice PresidentEX-4.2

 EXHIBIT 4.2 

Execution Version 
 ICON DEBT
ASSUMPTION SUPPLEMENT 
 ICON DEBT ASSUMPTION SUPPLEMENT, dated as of March 4, 2021 (this “Agreement”), made by
INTERNATIONAL FLAVORS & FRAGRANCES INC., a New York corporation (the “New Company”) and NEPTUNE MERGER SUB II LLC, a Delaware limited liability corporation (the “Original Company”), as successor by merger
to NUTRITION & BIOSCIENCES, INC., a Delaware corporation (“N&B”), and acknowledged by MORGAN STANLEY SENIOR FUNDING, INC., as administrative agent (the “Agent”). 

W I T N E S S E T H: 

WHEREAS, N&B, the lenders party thereto from time to time (the “Lenders”), the Agent and the other parties from time to
time party thereto have entered into that certain Term Loan Credit Agreement, dated as of January 17, 2020 (as amended by that certain Amendment No. 1 to Credit Agreement, dated as of August 25, 2020, and as further amended, restated,
amended and restated, supplemented or otherwise modified from time to time, the “Credit Agreement”); 
 WHEREAS, on the
date hereof, substantially concurrently with the effectiveness of this Agreement, N&B has merged with and into the Original Company, with the Original Company as the surviving entity and the successor by merger to N&B; and 

WHEREAS, the New Company wishes to expressly assume all of the rights and obligations of the Original Company under the Credit Agreement and
the other Loan Documents; 
 NOW, THEREFORE, in consideration of the premises and the mutual agreements contained herein, in the Credit
Agreement and in the other Loan Documents, the parties hereto hereby agree as follows: 

1.    Defined Terms. Unless otherwise defined herein, terms defined in the Credit Agreement and used
herein shall have the meanings given to them in the Credit Agreement. 
 2.    Loan Documents.
Upon the occurrence of the Effective Date (as defined below): 
 (a)    the New Company hereby assumes
all rights, title, interests, obligations and liabilities of all and whatever nature of the Original Company under the Credit Agreement and each of the other Loan Documents to which the Original Company is party from and after the date hereof and
shall be entitled to exercise all rights and entitlements of the Original Company under the Credit Agreement and each of the other Loan Documents, in each case with the same force and effect as if originally “the Company” under the Credit
Agreement and the other Loan Documents. Without limiting the generality of the foregoing, the New Company shall hereby be liable under the Credit Agreement for the payment and performance of all Advances and other obligations (including the
obligations to pay principal, interest, charges, expenses, fees and indemnities) and hereby expressly agrees to observe and perform and be bound by all of the terms, covenants, representations, warranties, and agreements contained in the Credit
Agreement and each other Loan Document delivered thereunder which are binding upon, and to be observed or performed by, the New Company or the “Company”. The New Company hereby ratifies and confirms the validity of, and all of its
obligations and liabilities under, the Credit Agreement and each other Loan Document; 

 (b)    the Original Company is hereby released in full
from all obligations and liabilities as “the Company” under the Credit Agreement and each of the other Loan Documents; and 

(c)    each reference to “the Company” in the Credit Agreement and the other Loan Documents shall
hereby be deemed to refer to the New Company, except where context otherwise requires. 

3.    Conditions. Section 2 hereof shall become effective on the date (the “Effective
Date”) when the following conditions have been satisfied: 
 (a)    Agreement. The Agent
(or its counsel) shall have received an executed counterpart (which may include a facsimile or other electronic transmission)) of this Agreement executed by each of the New Company and the Original Company. 

(b)    Other Documents. The Agent (or its counsel) shall have received from the New Company
(x) a counterpart (or written evidence satisfactory to the Agent (which may include a facsimile or other electronic transmission)) of each 3-Year Tranche Note and
5-Year Tranche Note, as applicable, signed by the New Company (to the extent requested by any Lender at least three Business Days prior to the Effective Date) and (y) documentation required pursuant to
Section 9.21 of the Credit Agreement. 
 (c)    Representations. The representation and
warranty of the New Company set forth in Section 4(b) shall be true and correct upon the Effective Date upon giving effect to this Agreement. 

4.    Representations. The New Company hereby: 

(a)    makes each of the representations and warranties set forth in Section 4.01 of the Credit
Agreement and the other Loan Documents as if set forth herein (provided that, for such purposes (i) the reference in Section 4.01(a) to “the Company” shall be deemed to refer to the New Company, (ii) it is understood that
the term “Loan Documents” includes this Agreement and (iii) any references to both Icon and the Company shall be deemed to a singular reference to the New Company); and 

(b)    represents and warrants that as of the Effective Date (or substantially concurrently with the
occurrence thereof) the Original Company shall not be a guarantor (or shall be released from any such guaranty) of any Debt of the New Company in an aggregate principal amount in excess of $250,000,000. 

5.    Effect on Credit Agreement. Nothing contained herein shall be construed as a substitution or
novation of the obligations outstanding under the Credit Agreement or any other Loan Document or instruments securing the same. Except as expressly supplemented hereby, the Credit Agreement and each other Loan Document shall remain in full force and
effect. 
 6.    Notices. All notices, requests and demands pursuant hereto shall be made in
accordance with Section 9.02 of the Credit Agreement. 

  
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 7.    Loan Document. From and after the execution
and delivery hereof by the parties hereto, this Agreement shall constitute a “Loan Document” for all purposes of the Credit Agreement and the other Loan Documents. 

8.    Governing Law. This Agreement and any claim, controversy or dispute arising under or related
to this agreement, whether in tort, contract (at law or in equity) or otherwise, shall be governed by and construed and interpreted in accordance with, the laws of the State of New York. 

9.    Successors and Assigns. This Agreement shall be binding upon and shall inure to the
benefit of the parties hereto and their respective successors and permitted assigns. 

10.    Jurisdiction; Waiver of Jury Trial. The provisions of Sections 9.10 and 9.19 of the Credit
Agreement are hereby incorporated by reference and shall apply with like effect to this Agreement. 

11.    Headings. The Section headings in this Agreement are inserted for convenience of reference
only and shall not affect the meaning or interpretation of this Agreement or any provision hereof. 

12.    Counterparts. This Agreement may be executed in any number of counterparts, all of which
taken together shall constitute one and the same agreement, and any of the parties hereto may execute this Agreement by signing any such counterpart. Delivery of an executed counterpart of a signature page of this Agreement by facsimile or in
electronic (i.e., “pdf” or “tiff”) format shall be effective as delivery of a manually executed counterpart of this Agreement. 

13.    Evidence of Release. The Agent shall, at the sole cost and expense of the New Company,
execute any agreements, documents or instruments necessary to confirm or evidence the release of the Original Company contemplated hereby. 

[Signatures Follow] 

  
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 IN WITNESS WHEREOF the undersigned has caused this Agreement to be duly executed and
delivered by its proper and duly authorized officer as of the day and year first above written. 
  

			
	INTERNATIONAL FLAVORS & FRAGRANCES INC., as New Company
		
	By:	 	 /s/ John Taylor

		 	Name: John Taylor
		 	Title: Treasurer

  

			
	NEPTUNE MERGER SUB II LLC, as Original Company
		
	By:	 	 /s/ John Taylor

		 	Name: John Taylor
		 	Title: Treasurer

  
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 Acknowledged by: 
  

			
	MORGAN STANLEY SENIOR FUNDING, INC., as Agent
		
	By:	 	 /s/ Subhalakshmi Ghosh-Kholi

		 	Name: Subhalakshmi Ghosh-Kholi
		 	Title: Authorized Signatory

  
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