Exhibit 1.1

Pricing Agreement

Morgan Stanley & Co. LLC
1585 Broadway
New York, New York 10036

and

Barclays Capital Inc.

745 Seventh Avenue

New York, New York 10019

and

BofA Securities, Inc.

One Bryant Park

New York, New York 10036

and

J.P. Morgan Securities LLC

270 Park Avenue

New York, New York 10017

As Representatives of the several
Underwriters named in Schedule I hereto

February 23, 2026

Ladies and Gentlemen:

Abbott Laboratories, an Illinois corporation (the “Company”), proposes, subject to the terms and conditions stated herein and in the Underwriting Agreement, dated March 5, 2015 (the “Underwriting Agreement”), between the Company and the Representatives of the several Underwriters to issue and sell to the Underwriters named in Schedule I hereto (the “Underwriters”) the Securities specified in Schedule II hereto (the “Designated Securities”). Each of the provisions of the Underwriting Agreement is incorporated herein by reference in its entirety and shall be deemed to be a part of this Agreement to the same extent as if such provisions had been set forth in full herein; and each of the representations and warranties set forth therein shall be deemed to have been made at and as of the date of this Pricing Agreement, except that each representation and warranty which refers to the Prospectus in Section 1 of the Underwriting Agreement shall be deemed to be a representation or warranty as of the S-3 Filing Date (as defined below) in relation to the Prospectus (as therein defined), and also a representation and warranty as of the date of this Pricing Agreement in relation to the Prospectus as amended or supplemented relating to the Designated Securities which are the subject of this Pricing Agreement. Each reference to the Representatives herein and in the provisions of the Underwriting Agreement so incorporated by reference shall be deemed to refer to you. Unless otherwise defined herein, terms defined in the Underwriting Agreement are used herein as therein defined. The Representatives designated to act on behalf of the Representatives and on behalf of each of the Underwriters of the Designated Securities pursuant to Section 10 of the Underwriting Agreement and the address of the Representatives referred to in such Section 10 are set forth at the end of Schedule II hereto. The Permitted Free Writing Prospectuses relating to the Designated Securities are attached hereto as Schedule III.

The Company has filed with the Commission an automatic shelf registration statement, as defined in Rule 405 under the Securities Act, on Form S-3 (File No. 333-293636) on February 23, 2026 (the “S-3 Filing Date”) relating to the Securities. References to the “Registration Statement,” as used with respect to the Designated Securities, means the registration statement with such file number.

An amendment to the Registration Statement, or a supplement to the Prospectus, as the case may be, relating to the Designated Securities, in the form heretofore delivered to you is now proposed to be filed with the Commission.

Subject to the terms and conditions set forth herein and in the Underwriting Agreement incorporated herein by reference, the Company agrees to issue and sell to each of the Underwriters, and each of the Underwriters agrees, severally and not jointly, to purchase from the Company, at the time and place and at the purchase price to the Underwriters set forth in Schedule II hereto, the principal amount of Designated Securities set forth opposite the name of such Underwriter in Schedule I hereto.

The offering of the Designated Securities is being made in connection with the Agreement and Plan of Merger (the “Merger Agreement”), dated as of November 19, 2025, by and among the Company, Exact Sciences Corporation, a Delaware corporation (“Exact Sciences”), and Badger Merger Sub I, Inc., a Delaware corporation and a wholly owned subsidiary of the Company (“Merger Sub”), pursuant to which, among other things, Merger Sub will be merged with and into Exact Sciences (the “Merger”), with Exact Sciences surviving the Merger as a direct, wholly owned subsidiary of the Company.

The representation set forth in Section 1(p) of the Underwriting Agreement shall be replaced in its entirety with the following:

(p) The Company and its subsidiaries (i) make and keep accurate books and records in all material respects and (ii) maintain internal accounting controls which provide reasonable assurance that (A) transactions are executed in accordance with management’s authorization, (B) transactions are recorded as necessary to permit preparation of its financial statements and to maintain accountability for its assets, (C) access to its assets is permitted only in accordance with management’s authorization and (D) the reported accountability for its assets is compared with existing assets at reasonable intervals and appropriate action is taken with respect to any difference;

The representation set forth in Section 1(q) of the Underwriting Agreement shall be replaced in its entirety with the following:

(q) The Company has established, maintains and will maintain disclosure controls and procedures (as defined in Rule 13a-15(e) of the Exchange Act) which are designed to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported in accordance with the Exchange Act and the rules and regulations thereunder in all material respects. The Company has carried out and will carry out evaluations, under the supervision and with the participation of the Company’s management, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures in accordance with Rule 13a-15 of the Exchange Act;

The representation set forth in Section 1(s) of the Underwriting Agreement shall be replaced in its entirety with the following:

(s) Ernst & Young LLP has audited and reported on certain financial statements of the Company and its subsidiaries and the effectiveness of the Company’s internal control over financial reporting. Ernst & Young LLP is an independent registered public accounting firm with respect to the Company and its subsidiaries as required by the Securities Act and the Exchange Act and the rules and regulations of the Commission and the Public Company Accounting Oversight Board;

The representation set forth in Section 1(u) of the Underwriting Agreement shall be replaced in its entirety with the following:

(u) Neither the Company nor any of its subsidiaries nor, to the knowledge of the Company, any director, officer, agent, employee or affiliate of the Company or any of its subsidiaries is currently subject to or the target of any sanctions administered or enforced by the Office of Foreign Assets Control of the U.S. Treasury Department, the U.S. Department of State, the United Nations Security Council, the European Union, His Majesty’s Treasury, or other relevant sanctions authority in a jurisdiction material to the Company and its subsidiaries taken as a whole (collectively, “Sanctions”); nor is the Company or any of its subsidiaries located, organized or resident in a country that is the subject of Sanctions (including, without limitation, the so-called Donetsk People’s Republic, the so-called Luhansk People’s Republic, or any other Covered Region of Ukraine identified pursuant to Executive Order 14065, Crimea, Cuba, Iran and North Korea); and the Company will not directly or, to the knowledge of the Company, indirectly use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person or entity, for the purpose of financing the activities of any person, or in any country or territory, that at the time of such financing is the subject or target of Sanctions.

Section 5(c)(vi) of the Underwriting Agreement shall be replaced in its entirety with the following:

(vi) The Indenture has been duly authorized, executed and delivered by the Company;

Section 5(c)(ix) of the Underwriting Agreement shall be deleted in its entirety.

The opinion to be delivered pursuant to Section 5(c) of the Underwriting Agreement shall be delivered by Jessica Paik, Divisional Vice President, Associate General Counsel, and Assistant Secretary of the Company; and the opinion to be delivered pursuant to Section 5(d) of the Underwriting Agreement shall be delivered by Wachtell, Lipton, Rosen & Katz, special counsel for the Company in a form agreed between Wachtell, Lipton, Rosen & Katz and the Representatives.

The letters to be delivered pursuant to Section 5(e) of the Underwriting Agreement shall be delivered by Ernst & Young LLP, the independent accountant of the Company, to the effect set forth in Annex II to the Underwriting Agreement.

Agreement and Acknowledgment with Respect to the Exercise of Bail-in Powers: In addition to the other agreements contained in the Underwriting Agreement, the Company agrees with each of the Underwriters that:

Notwithstanding and to the exclusion of any other term of this Pricing Agreement or any other agreements, arrangements or understanding between the Representatives and the Company, each of the parties to this Pricing Agreement acknowledges and accepts that a BRRD Liability arising under this Pricing Agreement may be subject to the exercise of Bail-in Powers by the Relevant Resolution Authority, and acknowledges, accepts, and agrees to be bound by:

(a)           the effect of the exercise of Bail-in Powers by the Relevant Resolution Authority in relation to any BRRD Liability of an Underwriter to any other party under this Pricing Agreement, that (without limitation) may include and result in any of the following, or some combination thereof:

(i)             the reduction of all, or a portion, of the BRRD Liability or outstanding amounts due thereon;

(ii)            the conversion of all, or a portion of, the BRRD Liability into shares, other securities or other obligations of an Underwriter or another person, (and the issue to or conferral on such other party to this Pricing Agreement of such shares, securities or obligations);

(iii)           the cancellation of the BRRD Liability;

(iv)           the amendment or alteration of any interest, if applicable, thereon, the maturity or the dates on which any payments are due, including by suspending payment for a temporary period; and

(b)           the variation of the terms of this Pricing Agreement, as deemed necessary by the Relevant Resolution Authority, to give effect to the exercise of Bail-in Powers by the Relevant Resolution Authority.

(c)           As used in this Pricing Agreement:

(i)             “Bail-in Legislation” means in relation to a member state of the European Economic Area which has implemented, or which at any time implements, the BRRD, the relevant implementing law, regulation, rule or requirement as described in the EU Bail-in Legislation Schedule from time to time.

(ii)            “Bail-in Powers” means any Write-down and Conversion Powers as defined in the EU Bail-in Legislation Schedule, in relation to the relevant Bail-in Legislation.

(iii)           “BRRD” means Directive 2014/59/EU establishing a framework for the recovery and resolution of credit institutions and investment firms.

(iv)           “BRRD Liability” means a liability in respect of which the relevant Write-down and Conversion Powers in the applicable Bail-in Legislation may be exercised.

(v)           “EU Bail-in Legislation Schedule” means the document described as such, then in effect, and published by the Loan Market Association (or any successor person) from time to time at http://www.lma.eu.com.

(vi)           “Relevant Resolution Authority” means the resolution authority with the ability to exercise any Bail-in Powers.

If the foregoing is in accordance with your understanding, please sign and return to us counterparts hereof, and upon acceptance hereof by you, on behalf of each of the Underwriters, this letter and such acceptance hereof, including the provisions of the Underwriting Agreement incorporated herein by reference, shall constitute a binding agreement between each of the Underwriters and the Company. It is understood that your acceptance of this letter on behalf of each of the Underwriters is or will be pursuant to the authority set forth in a form of Agreement among Underwriters, the form of which shall be submitted to the Company for examination upon request, but without warranty on the part of the Representatives as to the authority of the signers thereof.

Recognition of the U.S. Special Resolution Regimes: In addition to the other agreements contained in the Underwriting Agreement, the Company agrees with each of the Underwriters that:

For purposes of this Section a “BHC Act Affiliate” has the meaning assigned to the term “affiliate” in, and shall be interpreted in accordance with, 12 U.S.C. § 1841(k). “Covered Entity” means any of the following: (i) a “covered entity” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 252.82(b); (ii) a “covered bank” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 47.3(b); or (iii) a “covered FSI” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 382.2(b). “Default Right” has the meaning assigned to that term in, and shall be interpreted in accordance with, 12 C.F.R. §§ 252.81, 47.2 or 382.1, as applicable. “U.S. Special Resolution Regime” means each of (i) the Federal Deposit Insurance Act and the regulations promulgated thereunder and (ii) Title II of the Dodd-Frank Wall Street Reform and Consumer Protection Act and the regulations promulgated thereunder.

[Signature Page – Pricing Agreement]

[Signature Page – Pricing Agreement]

SCHEDULE I

SCHEDULE II-A

SCHEDULE II-B

SCHEDULE II-C

SCHEDULE II-D

SCHEDULE II-E

SCHEDULE II-F

SCHEDULE II-G

SCHEDULE II-H

SCHEDULE III

1.        Each term sheet set forth in the form of Schedule IV hereto.

SCHEDULE IV-A

FINAL TERM SHEET

Floating Rate Notes due 2029

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.

SCHEDULE IV-B

FINAL TERM SHEET

3.700% Notes due 2029

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.

SCHEDULE IV-C

FINAL TERM SHEET

4.000% Notes due 2031

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.

SCHEDULE IV-D

FINAL TERM SHEET

4.300% Notes due 2033

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.

SCHEDULE IV-E

FINAL TERM SHEET

4.650% Notes due 2036

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.

SCHEDULE IV-F

FINAL TERM SHEET

4.750% Notes due 2038

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.

SCHEDULE IV-G

FINAL TERM SHEET

5.500% Notes due 2056

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.

SCHEDULE IV-H

FINAL TERM SHEET

5.600% Notes due 2066

The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Morgan Stanley & Co. LLC, toll-free at (866) 718-1649, Barclays Capital Inc. at (888) 603-5847, BofA Securities, Inc. toll-free at 1-800-294-1322 or J.P. Morgan Securities LLC collect at (212) 834-4533.

The issuer expects to deliver the notes against payment for the notes on or about March 9, 2026, which will be the tenth business day following the date of the pricing of the notes. Under Rule 15c6-1 of the Exchange Act, trades in the secondary market generally are required to settle in one business day, unless the parties to a trade expressly agree otherwise. Accordingly, purchasers who wish to trade their notes prior to the business day before the delivery of the notes hereunder will be required, by virtue of the fact that the notes initially will settle in T+10, to specify alternative settlement arrangements to prevent a failed settlement.