UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C.  20549


                             -----------------------

                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

                             -----------------------

                Date of Report (Date of earliest event reported):
                                February 21, 2011


                         United States Steel Corporation
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                                       ---
             (Exact name of registrant as specified in its charter)


       Delaware                1-16811               25-1897152
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                                 --
   (State or other        (Commission File          (IRS Employer
   jurisdiction of             Number)           Identification No.)
    incorporation)

 600 Grant Street, Pittsburgh, PA              15219-2800
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              -----
 (Address of principal executive               (Zip Code)
             offices)

                                 (412) 433-1121
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                         (Registrant's telephone number,
                              including area code)

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                                      ----

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[  ] Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[  ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[  ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[  ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

Item 5.02 Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(e)  On February 21, 2011, the United States Steel Corporation Non
Tax-Qualified Pension Plan (the "Plan") was amended to align the Plan with
current market practices by revising the vesting provision. The requirement to
obtain 60 years of age has been eliminated.  Vesting remains based upon
obtaining 5 years of service.

A copy of the Plan is attached hereto as Exhibit 10.1.

Item 9.01 Financial Statements and Exhibits.

     d) Exhibits

     10.1      United States Steel Corporation Non Tax-Qualified Pension Plan
          Amended Effective February 21, 2011

SIGNATURE

     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
undersigned hereunto duly authorized.

UNITED STATES STEEL CORPORATION


By   /s/ Gregory A. Zovko
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     Gregory A. Zovko
     Vice President &
     Controller



Dated:  February 24, 2011