Notice of Executive Personnel Change

Hokushu Co., Ltd., a house manufacturer and construction material sales company (Head office: Tomiya City, Miyagi Prefecture, Representative Director and President: Hiromi Murakami), announces executive personnel changes aimed at further expanding its management base and achieving sustainable growth. Under the new structure, we will strive for the development of our company's business, and we ask for your continued guidance and encouragement.

Executive Personnel Representative Director and President Hiromi Murakami

Senior Managing Director Shogo Nagai (New Appointee) Overseeing Construction and Material Businesses, concurrently General Manager of Management Headquarters

Managing Director Hideto Yoshihara Overseeing BtoC Business, concurrently Purchasing Department Manager

Outside Director Masatoshi Tanifuji

Auditor Yoshinobu Chiba

Reference: Biography of New Senior Managing Director Shogo Nagai 1990: Joined Asahi Kasei Kogyo Co., Ltd. (currently Asahi Kasei Corporation) 2009: Appointed Branch Manager at Asahi Kasei Homes Corporation (served as Tokyo Central and Tokyo General Branch Manager) 2014: Appointed General Manager of Overseas Business Department, New Business Division at the same company. Engaged in marketing, business strategy planning and execution, M&A operations (Australia), established SPC with a Taiwanese developer and served as General Manager (Taiwan). 2016: Joined RC CORE Co., Ltd. (BESS) 2018: Appointed Director at the same company 2021: Appointed Representative Senior Managing Director at the same company (resigned June 2023) 2023: Joined iYell Co., Ltd. (resigned April 2026) November 2023: Appointed Outside Auditor at Hokushu Co., Ltd. November 2024: Appointed Director at Hokushu Co., Ltd. March 2026: Appointed Senior Managing Director at Hokushu Co., Ltd.

Company Profile Company Name: Hokushu Co., Ltd. Location: 9-2-2 Narita, Tomiya City, Miyagi Prefecture Representative: Hiromi Murakami, Representative Director and President Founded: 1958 Business Activities: Construction material sales, housing business, renovation business, special architecture/non-residential, real estate trading Corporate Website: https://www.hokushu.net/