Second Amendment to Five Year Credit Agreement dated as of March 23, 2023, to the Five Year Credit Agreement, dated as of May 11, 2021, as amended by the First Amendment to Five Year Credit Agreement, dated as of May 16, 2022, by and among the Registrant, the lenders party thereto and Bank of America N.A. as Administrative Agent

SECOND AMENDMENT TO FIVE YEAR CREDIT AGREEMENT (this “Amendment”), dated as of March 23, 2023, is entered into among CVS Health Corporation, a Delaware corporation (the “Borrower”), the Lenders party hereto and Bank of America, N.A., as Administrative Agent. Except as otherwise provided herein, capitalized terms used herein which are not defined herein shall have the meanings set forth in the Credit Agreement (as defined below).

WHEREAS, the Borrower, the Lenders and the Administrative Agent entered into that certain Five Year Credit Agreement, dated as of May 11, 2021, as amended by that certain First Amendment to Five Year Credit Agreement, dated as of May 16, 2022 (and as further amended, amended and restated, supplemented or otherwise modified from time to time prior to the date hereof, the “Credit Agreement”); and

NOW, THEREFORE, in consideration of the covenants, conditions and agreements hereinafter set forth, and for other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, and pursuant to Section 11.1 of the Credit Agreement, the parties hereto hereby agree as follows:

“Aggregate Commitment Amount”: at any time, the sum of the Commitment Amounts of the Lenders at such time under this Agreement. The Aggregate Commitment Amount on the Second Amendment Effective Date is $2,500,000,000.

(1)immediately after giving effect thereto, the sum of all increases in the Aggregate Commitment Amount made subsequent to the Second Amendment Effective Date pursuant to this Section 2.6(d) shall not exceed $500,000,000;

2.Conditions Precedent. This Amendment shall become effective on and as of the date hereof (the “Second Amendment Effective Date”) upon satisfaction (or waiver in accordance with Section 11.1 of the Credit Agreement) of the conditions precedent set forth in this Section 2. Upon satisfaction (or waiver in accordance with Section 11.1 of the Credit Agreement) of the conditions precedent set forth in this Section

(a)Counterparts of this Amendment. Receipt by the Administrative Agent of counterparts of this Amendment executed by the Borrower and the Lenders.

(b)Corporate Action. The Administrative Agent shall have received a certificate, dated the Second Amendment Effective Date, of the Secretary or an Assistant Secretary of the Borrower (i) attaching a true and complete copy of the resolutions of its Board of Directors and of all documents evidencing all other necessary corporate action taken by the Borrower to authorize this Amendment, the other Loan Documents and the transactions contemplated hereby and thereby, (ii) attaching a true and complete copy of its Certificate of Incorporation and By Laws, (iii) setting forth the incumbency of the officer or officers of the Borrower who may sign this Amendment and the other Loan Documents, and any other certificates, requests, notices or other documents required hereunder or thereunder, and (iv) attaching a certificate of good standing of the Secretary of State of the State of Delaware.

(c)Opinions of Counsel to the Borrower. The Administrative Agent shall have received (i) an opinion of Thomas Moffatt, assistant general counsel of the Borrower, dated the Second Amendment Effective Date, in a form reasonably satisfactory to the Administrative Agent, and (ii) an opinion of Shearman & Sterling LLP, special counsel to the Borrower, dated the Second Amendment Effective Date, in a form reasonably satisfactory to the Administrative Agent.

(d)No Default and Representations and Warranties. The Administrative Agent shall have received a certificate, dated the Second Amendment Effective Date, of the Senior Vice President and Treasurer of the Borrower certifying that there exists no Default and that the representations and warranties contained in this Amendment are true and correct in all material respects (provided that any representation and warranty that is qualified as to “materiality”, “Material Adverse” or similar language shall be true and correct (after giving effect to any qualification therein) in all respects on the Second Amendment Effective Date), except those which are expressly specified to be made as of an earlier date.

(e)Fees. The Administrative Agent shall have received all fees and other amounts due and payable to it on the Second Amendment Effective Date, including the upfront fees payable to the Lenders, in respect of this Amendment.

(f)Due Diligence; “Know Your Customer”. (i) Each Lender shall have received such documents and information as it may have requested in order to comply with “know-your- customer” and other applicable Sanctions, anti-terrorism, anti-money laundering and similar rules and regulations and related policies, to the extent the Borrower shall have received written requests therefor at least ten (10) Domestic Business Days prior to the Second Amendment Effective Date, and (ii) at least five Domestic Business Days prior to the Second Amendment Effective Date, if the Borrower qualifies as a “legal entity customer” under the Beneficial Ownership Regulation, it shall have delivered to each Lender that so requests a Beneficial Ownership Certification.

(ii)This Amendment has been duly executed and delivered by the Borrower and constitutes the valid and legally binding obligations of the Borrower, enforceable against the Borrower in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting the enforcement of creditors’ rights generally and by equitable principles relating to the availability of specific performance as a remedy.

(iii)No consent or approval of, or other action by, shareholders of the Borrower, any Governmental Authority, or any other Person (which has not already been obtained) is required to authorize in respect of the Borrower, or is required in connection with, the execution, delivery, and performance by the Borrower of this Amendment or is required as a condition to the enforceability of this Amendment against the Borrower.

(b)The Borrower represents and warrants to the Lenders that the representations and warranties of the Borrower set forth in Section 4 of the Credit Agreement (as amended by this Amendment) are true and correct in all material respects on the date hereof (provided that any representation and warranty that is qualified as to “materiality”, “Material Adverse” or similar language is true and correct (after giving effect to any qualification therein) in all respects on the date hereof), except those which are expressly specified to be made as of an earlier date.

(a)Except as expressly amended hereby, the Credit Agreement and the other Loan Documents shall remain in full force and effect.

(b)On and after the Second Amendment Effective Date, each reference in the Credit Agreement to “this Agreement”, “hereunder”, “hereof” or words of like import referring to the Credit Agreement, and each reference in the other Loan Documents to “the Credit Agreement”, “thereunder”, “thereof” or words of like import referring to the Credit Agreement, shall mean and be a reference to the Credit Agreement as modified hereby. This Amendment shall constitute a Loan Document.

(c)Subject to Section 11.8 of the Credit Agreement, this Amendment may be in the form of an Electronic Record and may be executed using Electronic Signatures (including facsimile and .pdf) and shall be considered an original, and shall have the same legal effect, validity and enforceability as a paper record. This Amendment may be executed in as many counterparts as necessary or convenient, including both paper and electronic counterparts, but all such counterparts are one and the same agreement.

(d)This Amendment and the rights and obligations of the parties hereto shall be governed by, and construed and interpreted in accordance with, the laws of the State of New York.