UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM SD

Specialized Disclosure Report

CLEVELAND-CLIFFS INC.

(Exact name of registrant as specified in its charter)

Commission File No. 1-8944

Ohio	34-1464672
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
200 Public Square, Suite 3300, Cleveland, Ohio	44114-2315
(Address of principal executive offices)	(Zip Code)

James D. Graham

Executive Vice President, Chief Legal and Administrative Officer & Secretary

Cleveland-Cliffs Inc.

200 Public Square, Suite 3300

Cleveland, Ohio 44114-2315

(216) 694-5700

(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 submitted, and provide the period to which the information in this Form applies:

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

☒ Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2023.

Section 2 - Resource Extraction Issuer Disclosure

Item 2.01Resource Extraction Issuer Disclosure and Report

Disclosure of payments by resource extraction issuers.

The payment disclosure required by this Form is included as Exhibit 2.01 to this Form SD.

Section 3 - Exhibits

Item 3.01Exhibits

The following exhibit is filed as part of this report on Form SD.

Exhibit number	Description
2.01	Resource Extraction Payment Report

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.

	CLEVELAND-CLIFFS INC.
	By:	/s/ James D. Graham
		James D. Graham
		Executive Vice President, Chief Legal and Administrative Officer & Secretary
Dated: September 20, 2024