#SUMCOCorporation

Narumi Hirota will assume the role of Executive Vice President (Representative Director) effective March 27, 2026, strengthening the management structure.

Effective March 27, 2026, Mr. Masayuki Hashimoto, Representative Director, Chairman and CEO, will assume the position of Director Advisor. Mr. Toshihiro Awa, Director and President, will retire and become a Full-time Advisor, and Mr. Jiro Tatsuta, Director and Vice President, will be appointed Representative Director and President.