United States securities and exchange commission logo June 18, 2022 Christine Breves Chief Financial Officer United States Steel Corp 600 Grant Street Pittsburgh, PA 15219-2800 Re: United States Steel Corp Form 10-K For the Fiscal Year Ended December 31, 2021 Filed February 11, 2022 Form 8-K furnished on January 27, 2022 File No. 001-16811 Dear Ms. Breves: We have limited our review of your filing to the financial statements and related disclosures and have the following comment. Please respond to this comment within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe our comment apply to your facts and circumstances, please tell us why in your response. After reviewing your response to this comment, we may have additional comments. Form 8-K furnished on January 27, 2022 Exhibit 99.1 1. We note that in calculating the adjusted net earnings for the period and year ended December 31, 2021, you removed effect of the net reversal of tax valuation allowance, although you appear to have reported cumulative adjusted net earnings. Pursuant to Question 102.11 of the non-GAAP C&DIs, current and deferred income tax expense commensurate with the non-GAAP measure of profitability should be included in a performance measure. Please revise to omit such adjustments in future filings and earnings presentations. Christine Breves FirstName LastNameChristine Breves United States Steel Corp Comapany June NameUnited States Steel Corp 18, 2022 June 18, Page 2 2022 Page 2 FirstName LastName In closing, we remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. You may contact Eiko Yaoita Pyles, Staff Accountant, at 202-551-3587 or Melissa Gilmore, Senior Staff Accountant, at 202-551-3777 with any questions. Sincerely, Division of Corporation Finance Office of Manufacturing