Notice Regarding Digitization of Shareholder Benefits

September 4, 2026 Company name: DAIICHIKOSHO CO., LTD. Representative: Tadahiro Hoshi, President Contact: Hiroshi Kunitsu, Director and Senior Managing Corporate Officer, General Manager of Management Headquarters Telephone: +81-3-3280-2774 Notice Regarding Digitization of Shareholder Benefits We hereby announce that, with regard to our current shareholder benefit program, we have decided to digit