United States

Securities and Exchange Commission

Washington, D.C. 20549

FORM SD

SPECIALIZED DISCLOSURE REPORT

Masco Corporation

(Exact name of registrant as specified in its charter)

Delaware	1-5794
(State or other jurisdiction of incorporation	(Commission file number)

17450 College Parkway Livonia, Michigan	48152
(Address of principal executive offices)	(Zip code)

Kenneth G. Cole

Vice President, General Counsel and Secretary

(313) 274-7400

(Name and telephone number, including area code, of the

person to contact in connection with this report.)

Check the appropriate box to indicate the rule pursuant to which this form is being filed:

☒	Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2023.
☐	Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended ____.

Section 1. - Conflict Minerals Disclosure

Item 1.01. Conflict Minerals Disclosure and Report

Our Conflict Minerals Report is provided as Exhibit 1.01 to this Form SD and is available in the “SEC Filings” section under “Financial Information” on the Investor Relations page of our website at www.masco.com. We do not incorporate the information contained on our website into this Form SD or our Conflict Minerals Report and such information should not be considered part of this Form SD or our Conflict Minerals Report.

Information concerning Conflict Minerals from recycled or scrap sources that may be contained in our in-scope products is included in our Conflict Minerals Report and is incorporated in this Form SD by reference.

Item 1.02 Exhibit

The Conflict Minerals Report required by Item 1.01 is filed as Exhibit 1.01 to this Form SD.

Section 2. Resource Extraction Issuer Disclosure

Item 2.01 Resource Extraction Issue Disclosure and Report

Not applicable.

Section 3 - Exhibits

Item 3.01 Exhibits

Exhibit 1.01 - Conflict Minerals Report for the calendar year ended December 31, 2023

EXHIBIT INDEX

Exhibit	Description
1.01	Conflict Minerals Report for the calendar year ended December 31, 2023

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

MASCO CORPORATION
By:	/s/ Richard J. Westenberg
Name:	Richard J. Westenberg	May 29, 2024
Title:	Vice President, Chief Financial Officer and Treasurer