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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * HAGGERTY GRETCHEN R   2. Issuer Name and Ticker or Trading Symbol UNITED STATES STEEL CORP [X] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Exec. VP and CFO (Last) (First) (Middle) 600 GRANT STREET 3. Date of Earliest Transaction (Month/Day/Year) 05/26/2009 (Street) PITTSBURGH, PA 15219-2800 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 United States Steel Corporation Common Stock (1) 05/26/2009   A   16,790 A $ 0 92,762.828 D   United States Steel Corporation Common Stock 05/26/2009   A(2)   3,930 A $ 0 96,692.828 D   United States Steel Corporation Common Stock 05/26/2009   F   1,556 D $ 29.805 95,136.828 D   United States Steel Corporation Common Stock 05/27/2009   F   429 D $ 32.225 94,707.828 D

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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

Stock Option

$ 29.805

05/26/2009

A

33,620

(3)

05/26/2019

Common Stock

33,620

$ 0

33,620

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HAGGERTY GRETCHEN R 600 GRANT STREET PITTSBURGH, PA 15219-2800			Exec. VP and CFO

Signatures

B. E. Lammel by Power of Attorney		05/28/2009
**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)	Restricted stock unit (RSU) vests ratably over three years, one-third on each of the first, second and third grant date anniversaries. RSUs are payable in stock only.
(2)	Vesting of the Performance Awards granted May 30, 2006 (reported on a Form 4 on June 1, 2006) at 53.84% of target based upon U. S. Steel's total shareholder return v. that of peer group of companies over a 3-year period. (Performance Awards granted after 2008 will be reported on a Form 4 only when, and if, such grants should vest)
(3)	Option grant vests ratably over three years, one-third on each of the first, second and third grant date anniversaries.

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