Transaction Details

Footnotes

On June 18, 2025, United States Steel Corporation (the "Company") consummated the merger transaction (the "Merger") contemplated by that certain Agreement and Plan of Merger (the "Merger Agreement"), dated as of December 18, 2023, by and among Nippon Steel North America, Inc., a New York corporation ("Parent"), 2023 Merger Subsidiary, Inc., a Delaware corporation and a wholly owned subsidiary of Parent, and the Company. The effective time of the Merger is referred to herein as the "Effective Time". | Reflects (i) shares of common stock of the Company, par value $1.00 (the "Shares"), held directly by the reporting person, (ii) restricted stock units of the Company held by the reporting person, and (iii) deferred restricted stock units of the Company held by the reporting person that, in each case, as of immediately prior to the Effective Time, were converted into the right to receive $55 in cash per Share in accordance with the terms of the Merger Agreement.