星空传媒

FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SIEGAL MICHAEL D
 听 2. Issuer Name and Ticker or Trading Symbol
CLIFFS NATURAL RESOURCES INC. [CLF] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
200 PUBLIC SQUARE,听SUITE 3300		 3. Date of Earliest Transaction (Month/Day/Year)
04/25/2017
(Street)

CLEVELAND,听OH听44114-2315		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Shares 04/25/2017 听 A 听 10,373 (1) A $ 0 49,599 D 听
Common Shares 听 听 听 听 听 听 听 18,963 I Michael D. Siegal Revocable Trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Deferred Shares (2) (3) 04/25/2017 听 A 听 3,458 听 听 (3) 听 (3) Common Shares 3,458.00 $ 0 21,735 D 听

Reporting Owners

Reporting Owner Name / Address Relationships
听Director 听10% Owner 听Officer 听Other
SIEGAL MICHAEL D
200 PUBLIC SQUARE
SUITE 3300
CLEVELAND,听OH听44114-2315		 听 X 听 听 听

Signatures

听/s/ James D. Graham by Power of Attorney 听 04/27/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Reflects the number of restricted shares granted to the Reporting Person as the 2017 Director Restricted Shares pursuant to the Amended and Restated 2014 Nonemployee Directors' Compensation Plan.
(2) The Reporting Person has elected to defer a portion of his 2017 Director Restricted Shares (the "Deferred Shares").
(3) Each Deferred Share is the economic equivalent of one Issuer common share. The Deferred Shares become payable, in cash or common stock, at the election of the Issuer's Governance and Nominating Committee, in accordance with the Reporting Person's deferral election and the terms of the 2014 Nonemployee Directors' Compensation Plan.

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