EX-4.2





 Exhibit 4.2 

Execution Version 
 SECOND
AMENDMENT TO SECOND AMENDED AND RESTATED MASTER NOTE FACILITY 
 This SECOND AMENDMENT TO SECOND AMENDED AND RESTATED MASTER NOTE
FACILITY, dated as of March 5, 2021 (this “Amendment”), is among Henry Schein, Inc., a Delaware corporation (the “Company”), NYL Investors LLC (as successor in interest to New York Life Investment Management
LLC), a Delaware limited liability company (“New York Life”), as purchaser, and the other financial institution and other entities party hereto that constitute each of the holders of the Notes outstanding as of the date hereof (the
“Holders”). 
 W I T N E S S E T H 

WHEREAS, reference is made to that certain $300,000,000 Second Amended and Restated Master Note Facility, dated as of June 29, 2018, by
and among the Company, New York Life and each Holder party thereto (as amended by that certain First Amendment, dated as of June 23, 2020 (the “First Amendment”), and as may be further amended, restated, modified or
supplemented from time to time, the “Note Facility”); 
 WHEREAS, the Company has requested that the Note Facility be
amended by this Amendment in order to, among other things, effect certain changes to the covenant set forth in Section 10.1 of the Note Facility; 

WHEREAS, the Company, New York Life and the Holders are willing to enter into such amendments subject and pursuant to the terms and conditions
of this Amendment; 
 NOW, THEREFORE, in consideration of the premises and mutual covenants contained herein, the parties hereto agree as
follows: 
 SECTION 1. Defined Terms. Unless otherwise defined herein, capitalized terms used but not defined herein shall have
the meanings assigned to such terms in the Note Facility. 
 SECTION 2. Amendments to the Note Facility. Effective as of the
Second Amendment Effective Date, the Note Facility is hereby amended as follows: 
 (a) Subsection 7.2(a) of the Note Facility is hereby
amended and restated in its entirety as follows: 
 “(a) simultaneously with the delivery of the financial
statements referred to in subsections 7.1(a) and (b), a certificate of the chief financial officer or treasurer of the Company, (i) certifying that to the best of his knowledge (A) no Default or Event of Default has occurred and is
continuing or, if a Default or Event of Default has occurred and is continuing, a statement as to the nature thereof and the action which is proposed to be taken with respect thereto, (B) the Company is in compliance with the requirements of
subsections 10.1 (including reasonably detailed calculations), 10.2(p), 10.3(a), 10.3(b)(viii) and 10.5(g) (and including with respect to each such subsection, if requested, the calculations of the maximum or minimum amount, ratio or percentage, as
the case may be, permissible under the terms of such subsections, and the calculation of 












 
the amount, ratio or percentage then in existence), (C) whether any Subsidiary that is not a Guarantor has executed any Guaranty with respect to any Principal Debt Facility during the relevant
period, and (D) such financial statements have been prepared in accordance with GAAP (subject in the case of subsection 7.1(b) to normal, recurring, year-end adjustments and except for the absence of GAAP
notes thereto) and (ii) setting forth a reconciliation of the treatment of leases which are or would be deemed by GAAP as in effect on the date hereof to be treated as operating leases, in form and substance reasonably satisfactory to the
Required Holders;” 
 (b) Subsection 10.1 of the Note Facility is hereby amended and restated in its entirety as follows: 

“10.1 Consolidated Leverage Ratio. Company will not permit the Consolidated Leverage Ratio to exceed 3.25 to
1.00 for the four fiscal quarters of the Company then last ended (in each case taken as one accounting period) as of the last day of each fiscal quarter; provided that, to the extent the Company consummates an acquisition permitted by this Agreement
for aggregate cash consideration exceeding $150,000,000 (each, a “Material Acquisition”), the Company may elect, upon written notice to New York Life and each holder of a Note that is an Institutional Investor, which notice shall be
provided no later than the last Business Day of the fiscal quarter in which the relevant Material Acquisition is consummated, to increase the maximum Consolidated Leverage Ratio permitted by this Section 10.1 to 3.75 to 1.00 for the fiscal
quarter in which such Material Acquisition is consummated and the three consecutive fiscal quarters of the Company following such Material Acquisition (each, a “Four Quarter Period”) (retroactive to the first day of such Four
Quarter Period), and the interest rate applicable to the Notes shall increase by 0.50% per annum during the period from (and retroactive to) the first day of such Four Quarter Period until the earlier of (i) the last day of such fiscal quarter
at the end of which the Consolidated Leverage Ratio for the four fiscal quarters of the Company then ended did not exceed 3.25 to 1.00 (retroactive to such date) and (ii) the last day of such Four Quarter Period (each, a “Covenant Reset
Date”) (such increase, the “Acquisition Spike”); provided further that, the maximum Consolidated Leverage Ratio may be increased to 3.75 to 1.00 for a Four Quarter Period in connection with a Material Acquisition no more
than three times after the Original Restatement Date. For the avoidance of doubt, the Consolidated Leverage Ratio may not exceed 3.25 to 1.00 for the four fiscal quarters of the Company then last ended (in each case taken as one accounting period)
as of the last day of each fiscal quarter that ends after a Covenant Reset Date during a Four Quarter Period. If the Consolidated Leverage Ratio is increased for a Four Quarter Period pursuant to the preceding sentence, no corresponding increase in
the Consolidated Leverage Ratio with respect to a subsequent Material Acquisition may occur until the completion of at least one full fiscal quarter following the last day of such Four Quarter Period. If an interest payment on any Notes is due after
the last day of any fiscal quarter of the Company, but before the Consolidated Leverage Ratio as of such last day has been calculated, then the Company shall pay an amount calculated as if the interest rate in effect on such last day had continued
thereafter. If such calculation shows that there was a change in the interest rate on the Notes effective as of the first day following such last day, then the amount of interest payable by the Company on the next


  
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succeeding interest payment date in respect of such Notes shall be increased or decreased, as applicable, to the extent necessary to reflect the interest rate that should have been taken into
account as of such first following day.” 
 (c) Section 10 of the Note Facility is hereby amended by deleting Subsection 10.12. 

(d) Schedule A of the Note Facility is hereby amended by deleting the following definitions in alphabetical order: “Additional
Interest,” “Consolidated Net Debt,” “Consolidated Net Leverage Ratio,” “Cost Savings,” “Designated Charges,” “Leverage Spike,” “Leverage Spike
Period,” “Pro Forma Cost Savings,” “Restricted Payment,” “Restructuring Expenses,” and “Unrestricted Cash.” 

(e) The definition of “Consolidated EBITDA” in Schedule A of the Note Facility is hereby amended and restated in its entirety
as follows: 
 “Consolidated EBITDA” means, for any period, Consolidated Operating Income plus, without duplication,
(a) Consolidated Interest Income, (b) depreciation, (c) amortization and (d) all non-cash charges, (e) to the extent deducted in computing Consolidated Operating Income, stock-based
compensation of the Company and its Subsidiaries, (f) all non-recurring, unusual or extraordinary charges, costs and expenses, and (g) restructuring, consolidation, transaction, integration or other
similar charges and expenses; provided that the aggregate amount under this clause (g) for any applicable period shall not exceed 10% of Consolidated EBITDA for such period, in each case, determined on a consolidated basis in accordance with
GAAP and as calculated consistent with the manner disclosed by the Company in its Annual Report on Form 10-K for the fiscal year ended December 31, 2016. 

(f) Exhibits A-1, A-2,
A-3, A-4, and A-5 of the Note Facility are hereby amended to delete the reference to “Additional Interest” therein, and
to insert in lieu thereof “Acquisition Spike”. 
 SECTION 3. Amendment and Restatement of Existing Notes. Subject to
the satisfaction of the conditions precedent set forth in Section 5 hereof, the Series A Notes, the Series B Notes, the Series C Notes and the Series D Notes, in each case, as amended by the First Amendment, and the Series
E Notes (collectively, the “Existing Notes”) are hereby, automatically and without any further action, amended and restated in their entirety to delete the reference to “Additional Interest” therein and to reflect in lieu
thereof “Acquisition Spike”. The parties hereto hereby acknowledge and agree that the amendments to the Existing Notes set forth herein could have been effected through an agreement or instrument of amendment, and for convenience, the
parties hereto have agreed to restate the terms and provisions of the Existing Notes, as amended hereby, pursuant to this Section 3. At the request of any Holder, the Company shall execute and deliver a new Note or Notes in
the form of the relevant Exhibit (as amended by this Amendment) to the Note Facility, in exchange for, and in replacement of, each Holder’s Existing Note, within five Business Days of such request, registered in the name of such Holder, in the
aggregate outstanding principal amount of such Existing Note and dated as of the last interest payment date of such Existing Note. Any Notes issued on or after the Second 

  
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Amendment Effective Date shall be in the form of the relevant Exhibit to the Note Facility, as amended by this Amendment. The parties hereto specifically agree and confirm that the transactions
effected hereby and by the Existing Notes shall in no way evidence a new debt of the Company or a novation of the Existing Notes, but rather that all outstanding debt of the Company in respect of the Existing Notes is continued in full force and
effect on the terms and conditions set forth in the Note Facility and the Existing Notes (in each case as modified by this Amendment). All outstanding amounts owing by the Company in respect of the Existing Notes shall continue to be owing under the
Note Facility and the Existing Notes (without any further action required on the part of any Person), and shall be payable in accordance with the Note Facility and the Existing Notes (in each case as modified by this Amendment). 

SECTION 4. Representations and Warranties. To induce New York Life and the Holders to enter into this Amendment, the Company
hereby represents and warrants to New York Life and the Holders that, both before (except with respect to Section 4(c) below) and after giving effect to this Amendment: 

(a) Each of the Company and its Subsidiaries (i) is duly organized, validly existing and in good standing under the laws of the
jurisdiction of its organization, (ii) has the requisite corporate or other applicable power and authority, and the legal right (in all material respects), to own and operate its property, to lease the property it operates as lessee and to
conduct the business in which it is currently engaged, (iii) where legally applicable, is duly qualified as a foreign corporation or other applicable entity and in good standing (or equivalent status) under the laws of each jurisdiction where
its ownership, lease or operation of property or the conduct of its business requires such qualification and (iv) is in compliance with all Requirements of Law (provided that no representation or warranty is made in this subsection 5.3(d) with
respect to Requirements of Law referred to in subsections 5.8, 5.10 or 5.15), except to the extent that the failure of the foregoing clauses (a) (only with respect to Subsidiaries of the Company which are not Guarantors), (c) and (d) to be true
and correct could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. 
 (b) The execution,
delivery and performance by the Company of this Amendment (i) are within the Company’s requisite corporate or other applicable power and authority; (ii) have been duly authorized by all necessary corporate action; (iii) will not
violate any Requirement of Law or Contractual Obligation of the Company or any if its Subsidiaries, except for such violations which, individually or in the aggregate, could not reasonably be expected to have a Material Adverse Effect;
(iv) will not result in, or require, the creation or imposition of any Lien on any of its or their respective properties or revenues pursuant to any such Requirement of Law or Contractual Obligation which, individually or in the aggregate,
could reasonably be expected to have a Material Adverse Effect; and (v) will not require any consent or authorization of, filing with, notice to or other act by or in respect of, any Governmental Authority or any other Person with respect to
the Company or any of its Restricted Subsidiaries except for such consents, authorizations, filings, notices or other acts which, individually or in the aggregate, could not reasonably be expected to have a Material Adverse Effect; 

(c) This Amendment has been duly executed and delivered on behalf of the Company. This Amendment constitutes and, upon execution and delivery
thereof, will 

  
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constitute, a legal, valid and binding obligation of the Company, enforceable against the Company in accordance with its terms, subject to the effects of bankruptcy, insolvency, fraudulent
conveyance, reorganization, moratorium and other similar laws relating to or affecting creditors’ rights generally, general equitable principles (whether considered in a proceeding in equity or at law) and an implied covenant of good faith and
fair dealing; 
 (d) After giving effect to this Amendment, the representations and warranties contained in the Note Facility (except with
respect to Section 5.6, as disclosed in the Company’s Quarterly Report on Form 10-Q or in the Company’s Annual Report on Form 10-K, in each case, most
recently filed with the Securities and Exchange Commission) and the other Note Documents are true and correct in all material respects as of the Second Amendment Effective Date except to the extent that such representations and warranties
specifically refer to an earlier date, in which case they shall be true and correct in all material respects as of such earlier date; 
 (e)
This Amendment and the documents, certificates or other writings delivered to the Holders by or on behalf of the Company in connection with the amendments set forth herein, taken as a whole, do not contain any untrue statement of a material fact or
omit to state any material fact necessary to make the statements therein not misleading in light of the circumstances under which they were made. There is no fact known to the Company that could reasonably be expected to have a Material Adverse
Effect that has not been set forth herein or in the other documents, certificates or other writings delivered to the Holders by or on behalf of the Company in connection with the amendments set forth herein; 

(f) No event has occurred and no condition exists that, either before or after giving effect to this Amendment, constitutes or would
constitute a Default or an Event of Default; and 
 (g) No consent, approval or authorization of, or registration, filing or declaration
with, any Governmental Authority is required in connection with the execution, delivery or performance by the Company of this Amendment. 

(h) The Company has not paid, nor has it agreed to pay, any fees or other compensation in connection with the amendments described in
Section 5(b) and (c) below. 
 SECTION 5. Conditions to Effectiveness. The amendments set forth in
Section 2 of this amendment and the amendment and restatement of the Existing Notes set forth in Section 3 of this Amendment shall become effective on the date on which the following conditions
precedent have been satisfied or waived (the first date on which such conditions shall have been so satisfied or waived, the “Second Amendment Effective Date”): 

(a) The Company, New York Life and the Holders shall have executed and delivered a counterpart of this Amendment. 

(b) The Holders shall have received a fully executed copy of an amendment agreement to the MetLife Note Agreement, dated as of the date hereof
(the “MetLife Amendment”), by and among the Company, Metropolitan Life Insurance Company and MetLife Investment Advisors Company, LLC and the other holders of notes party thereto, in form and substance satisfactory to the Required
Holders. 

  
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 (c) The Holders shall have received a fully executed copy of an amendment agreement to the
Prudential Shelf Agreement, dated as of the date hereof (the “Prudential Amendment”), by and among the Company, PGIM, Inc., The Prudential Insurance Company of America and the other holders of notes party thereto, in form and
substance satisfactory to the Required Holders. 
 (d) The 364-Day Credit Facility shall have been
terminated, and the Company shall have provided evidence thereof in form and substance satisfactory to the Required Holders. 
 (e) Each of
the representations and warranties set forth in Section 4 above shall be true and correct as of the date of the execution and delivery of this Amendment and as of the Second Amendment Effective Date as if made on and as of
such date (or, if any such representation and warranty is expressly stated to have been made as of a specific date, as of such specific date). 

(f) No Default or Event of Default shall have occurred and be continuing on and as of the Second Amendment Effective Date or immediately after
giving effect to this Amendment. 
 (g) The Company shall have paid the reasonable fees and disbursements of the Holders’ special
counsel in accordance with Section 7 below. 
 SECTION 6. Effects on Note Facility. This Amendment
shall be construed in connection with and as a part of the Note Facility and, except as specifically amended herein, the Note Facility shall continue to be in full force and effect and is hereby in all respects ratified and confirmed. Any and all
notices, requests, certificates and other instruments executed and delivered after the execution and delivery of this Amendment may refer to the Note Facility without making specific reference to this Amendment, but nevertheless all such references
shall include this Amendment unless the context otherwise requires. 
 SECTION 7. Expenses. Without prejudice to the provisions
of Section 15 (Expenses, Etc.) of the Note Facility, whether or not the amendments set forth herein become effective, the Company agrees to pay or reimburse New York Life and the Holders for all of their reasonable and invoiced out-of-pocket costs and expenses incurred in connection with the development, preparation and execution of this Amendment and any other documents prepared in connection
herewith or therewith, and the consummation and administration of the transactions contemplated hereby and thereby, including, without limitation, the reasonble and documented fees and disbursements of King & Spalding LLP, counsel to New
York Life and the Holders. 

  
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 SECTION 8. GOVERNING LAW; WAIVER OF JURY TRIAL. THIS AMENDMENT SHALL BE
CONSTRUED AND ENFORCED IN ACCORDANCE WITH, AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE GOVERNED BY, THE LAW OF THE STATE OF NEW YORK EXCLUDING
CHOICE-OF-LAW PRINCIPLES OF THE LAW OF SUCH STATE THAT WOULD PERMIT THE APPLICATION OF THE LAWS OF A JURISDICTION OTHER THAN SUCH STATE. EACH PARTY HERETO HEREBY AGREES
AS SET FORTH FURTHER IN SECTION 22.8 OF THE NOTE FACILITY AS IF SUCH SECTION WAS SET FORTH IN FULL HEREIN. 
 SECTION 9. No
Novation. This Amendment is not intended by the parties to be, and shall not be construed to be, a novation of the Note Facility or an accord and satisfaction in regard thereto 

SECTION 10. Note Document. This Amendment shall constitute a “Note Document” for all purposes of the Note Facility and
the other Note Documents. 
 SECTION 11. Amendments; Execution in Counterparts; Electronic Execution. This Amendment shall not
constitute an amendment of any other provision of the Note Facility not referred to herein and shall not be construed as a waiver or consent to any further or future action on the part of the Company that would require a waiver or consent of the
Holders or New York Life. Except as expressly amended hereby, the provisions of the Note Facility are and shall remain in full force and effect. This Amendment may be executed in any number of counterparts and by the different parties hereto on
separate counterparts, including by means of facsimile or electronic transmission, each of which when so executed and delivered shall be an original, but all of which shall together constitute one and the same instrument. 

Delivery of an executed counterpart of a signature page of this Amendment by telecopy, emailed pdf. or any other electronic means that
reproduces an image of the actual executed signature page shall be effective as delivery of a manually executed counterpart of this Amendment. The words “execution,” “signed,” “signature,” “delivery,” and
words of like import in or relating to any document to be signed in connection with this Amendment and the transactions contemplated hereby shall be deemed to include an electronic sound, symbol, or process attached to, or associated with, a
contract or other record and adopted by a Person with the intent to sign, authenticate or accept such contract or record (each an “Electronic Signature”), each of which shall be of the same legal effect, validity or enforceability
as a manually executed signature, physical delivery thereof or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable law, including the Federal Electronic Signatures in Global and
National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act; provided that nothing herein shall require New York Life to accept Electronic
Signatures in any form or format without their prior written consent. Without limiting the generality of the foregoing, each party hereto hereby (i) agrees that, for all purposes, including without limitation, in connection with any workout,
restructuring, enforcement of remedies, bankruptcy proceedings or litigation among the New York Life, the Company and the other parties hereto, electronic images of this Amendment or any other Note Documents (in each case, including with respect to
any signature pages thereto) shall have the same legal effect, validity and enforceability as any paper original, and (ii) waives any argument, defense or right to contest the validity or 

  
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enforceability of this Amendment or any of the other Note Documents based solely on the lack of paper original copies of this Amendment or any other Note Documents, including with respect to any
signature pages hereto or thereto. 
 SECTION 12. Successors and Assigns. All covenants and other agreements contained in this
Amendment by or on behalf of any of the parties hereto bind and inure to the benefit of their respective successors and assigns (including, without limitation, any subsequent holder of a Note) whether so expressed or not. 

SECTION 13. Severability. Any provision of this Amendment that is prohibited or unenforceable in any jurisdiction shall, as to
such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall (to the full extent permitted by
law) not invalidate or render unenforceable such provision in any other jurisdiction. 
 [Remainder of page intentionally left blank]


  
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 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and
delivered by their respective proper and duly authorized officers as of the day and year first above written. 
  

					
	 HENRY SCHEIN, INC.,
 as the
Company

			
	    	 	by	 	
		 		 	 /s/ Michael Amodio

		 		 	Name:Michael Amodio
		 		 	Title:Vice President and Treasurer



  
 [Signature Page to
Second Amendment to Second A&R Master Facility Note (New York Life)] 













 
	
	 NYL INVESTORS LLC
 (as successor in interest to
New York Life
 Investment Management LLC)

	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Corporate Vice President
	
	NEW YORK LIFE INSURANCE COMPANY
	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Corporate Vice President
	
	NEW YORK LIFE INSURANCE AND ANNUITY CORPORATION
	
	By: NYL Investors LLC, its Investment Manager
	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Managing Director
	
	 NEW YORK LIFE INSURANCE AND ANNUITY CORPORATION INSTITUTIONALLY OWNED

LIFE INSURANCE SEPARATE ACCOUNT
 (BOLI 3)

	
	By: NYL Investors LLC, its Investment Manager
	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Managing Director



  
 [Signature Page to
Second Amendment to Second A&R Master Facility Note (New York Life)] 













 
	
	 NEW YORK LIFE INSURANCE AND ANNUITY CORPORATION INSTITUTIONALLY OWNED

LIFE INSURANCE SEPARATE ACCOUNT
 (BOLI 3-2)

	
	By: NYL Investors LLC, its Investment Manager
	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Managing Director
	
	 NEW YORK LIFE INSURANCE AND ANNUITY CORPORATION INSTITUTIONALLY OWNED

LIFE INSURANCE SEPARATE ACCOUNT
 (BOLI 30C)

	
	By: NYL Investors LLC, its Investment Manager
	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Managing Director
	
	 NEW YORK LIFE INSURANCE AND ANNUITY CORPORATION INSTITUTIONALLY OWNED

LIFE INSURANCE SEPARATE ACCOUNT
 (BOLI 30D)

	
	By: NYL Investors LLC, its Investment Manager
	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Managing Director



  
 [Signature Page to
Second Amendment to Second A&R Master Facility Note (New York Life)] 













 
	
	 NEW YORK LIFE INSURANCE AND ANNUITY CORPORATION INSTITUTIONALLY OWNED

LIFE INSURANCE SEPARATE ACCOUNT
 (BOLI 30E)

	
	By: NYL Investors LLC, its Investment Manager
	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Managing Director
	
	 THE BANK OF NEW YORK MELLON, SOLELY
 IN ITS
CAPACITY AS TRUSTEE UNDER THAT CERTAIN TRUST AGREEMENT DATED AS OF
 JULY 1ST, 2015 BETWEEN NEW YORK LIFE INSURANCE COMPANY, AS GRANTOR, JOHN HANCOCK LIFE
INSURANCE COMPANY
 (U.S.A.), AS BENEFICIARY, JOHN HANCOCK
 LIFE
INSURANCE COMPANY OF NEW YORK,
 AS BENEFICIARY, AND THE BANK OF NEW

YORK MELLON, AS TRUSTEE

	
	by
	 /s/ Christopher Carey

	Name: Christopher Carey
	Title: Corporate Vice President



  
 [Signature Page to
Second Amendment to Second A&R Master Facility Note (New York Life)]