Nippon Steel Corporation has resolved and decided informally at the Meeting of the Board of Directors held to the changes in Representative Directors as described below. 1. Reason for the Changes Changes to representation rights accompanying changes in board members: 2. Name, Titles, Appointment Date and Number of Shares of Retiring and New Representative Directors (Retiring Representative Directors): Name (Date of birth): Shinichi NAKAMURA, Shuhei ONOYAMA. New Title: Director, Member of the Board, Director, Member of the Board.

Current Title: Representative Director and Executive Vice President, Representative Director and Executive Vice President, Head of Research and Development. Appointment Date: April 1, 2022, April 1, 2022. (2) Informal Decision: Name (Date of birth): Takashi HIROSE.

New Title: Representative Director and Executive Vice President, Head of Unit, Flat Products Unit; Deputy Project Leader, Next- Generation Hot Strip Mill Project. Title (as of April 1, 2022): Executive Vice President, Head of Unit, Flat Products Unit; Deputy Project Leader, Next-Generation Hot Strip Mill Project. Appointment Date: Late June, 2022.

(Note1) The change will be officially resolved at the meeting of the board of directors to be held immediately after the 98th General Meeting of Shareholders scheduled for late June 2022.