Nippon Steel Corp.TSE: 5401

Notice of Changes in the role of Managing Executive Officers and Executive Officer（as of May 1,2026）

· Issued by Nippon Steel Corp.

April 22, 2026 Nippon Steel Corporation

Notice of Changes in the role of Managing Executive Officers and Executive Officer（as of May 1,2026）

This is to announce that, it was resolved to change part of the division of business responsibilities and delegation of office for Managing Executive Officers and Executive Officer set forth below effective as of May 1, 2026.

Name Title Division of Business Responsibilities and Delegation of Office

Takeshi IMAI Managing Executive Officer

  • Digital Innovation; Information & Communication Technology; Intellectual Property; Safety, Environment & Plant Safety; Quality Management;

    Masashi KISHIMOTO Managing Executive

    Officer

  • Head of Works, Setouchi Works

Masato KOBAYASHI Executive Officer • Head of Works, North Nippon Works

Notes:

・Additions and/or changes have been made of the underlined part mentioned above

(This is the end of the document)

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