Masco (MAS) S-3ASRAutomatic shelf registration

Exhibit 1.1

UNDERWRITING AGREEMENT

[    ]

[Name(s) of Representative(s)]

As Representative(s) of the several Underwriters

listed in Schedule 1 hereto

Ladies and Gentlemen:

Masco Corporation, a Delaware corporation (the “Company”), proposes to issue and sell to the several Underwriters listed in Schedule 1 hereto (the “Underwriters”), for whom you are acting as representative(s) (the “Representative(s)”), $[●] principal amount of its [Notes] due 20[●] (the “Securities”) having the terms set forth in Schedule 2 hereto. The Securities will be issued pursuant to an Indenture dated as of February 8, 2022 between the Company and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”)[, as amended and supplemented by the Supplemental Indenture dated as of [●]] ([collectively,] the “Indenture”).

The Company agrees to issue and sell the Securities to the several Underwriters as provided in this Agreement, and each Underwriter, on the basis of the representations, warranties and agreements set forth herein and subject to the conditions set forth herein, agrees, severally and not jointly, to purchase from the Company the respective principal amount of Securities set forth opposite such Underwriter’s name in Schedule 1 hereto[, less their respective amounts, if any, of Contract Securities (as defined in the Underwriting Agreement Standard Provisions and determined as provided therein)] at a price equal to [●]% of the principal amount of the Securities, plus accrued interest, if any, from [●], 20[●] to the Closing Date (as defined below). The Company will not be obligated to deliver any of the Securities except upon payment for all the Securities to be purchased as provided herein.

The Company is advised by you that the Underwriters propose to make a public offering of their respective portion of the Securities as soon after this Agreement is entered into as in your judgment is advisable (unless the timing of the offering is otherwise described in Schedule 2 hereto). The terms of the public offering of the Securities are specified in Schedule 2 hereto.

The closing of the transactions contemplated in this Agreement shall occur at the offices of Davis Polk & Wardwell LLP, 450 Lexington Avenue, New York, New York at 10:00 A.M., New York City time, on [●], 20[●], or at such other time or place on the same or such other date, not later than the [●] business day thereafter, as the Representative(s) and the Company may agree upon in writing. The time and date of such payment and delivery is referred to herein as the “Closing Date.”

Payment for the Securities shall be made by wire transfer in immediately available funds to the account(s) specified by the Company to the Representative(s) against delivery to the nominee of The Depository Trust Company, for the respective accounts of the Underwriters as specified by you in writing not later than 1:00 P.M. New York City time, on the second business day prior to the Closing Date, of one or more global notes representing the Securities.

All provisions contained in the document entitled Masco Corporation Underwriting Agreement Standard Provisions (Debt Securities) February 8, 2022 (“Underwriting Agreement Standard Provisions”) are incorporated by reference herein in their 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, except that if any term defined in the Underwriting Agreement Standard Provisions is otherwise defined herein, the definition set forth herein shall control.

This Agreement may be signed in counterparts (which may include counterparts delivered by any standard form of telecommunication), each of which shall be an original and all of which together shall constitute one and the same instrument. The words “execution,” “signed,” “signature,” and words of like import in this Agreement or in any other certificate, agreement or document related to this Agreement, if any, shall include images of manually

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executed signatures transmitted by facsimile or other electronic format (including, without limitation, “pdf,” “tif” or “jpg”) and other electronic signatures (including, without limitation, DocuSign and AdobeSign). The use of electronic signatures and electronic records (including, without limitation, any contract or other record created, generated, sent, communicated, received, or stored by electronic means) shall be of the same legal effect, validity and enforceability as a manually executed signature or use of a paper-based record-keeping system to the fullest extent permitted by applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act and any other applicable law, including, without limitation, any state law based on the Uniform Electronic Transactions Act or the Uniform Commercial Code.

If the foregoing is in accordance with your understanding, please indicate your acceptance of this Agreement by signing in the space provided below.

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Accepted on the date first written above.

For themselves and on behalf of the several

Underwriters listed in Schedule 1 hereto.

[Signature Page to Underwriting Agreement]

Schedule 1

Securities

Schedule 1

Schedule 2

Certain Terms of the Securities

Addresses for Notices:

Company:

Masco Corporation

17450 College Parkway

Livonia, Michigan 48152

Representative(s):

Representative(s) and Address(es)

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