H.I.S. Co., Ltd. announced that, at a meeting of the Company's Board of Directors convened on October 22, 2025, the Company resolved to make changes to its organizations and to the appointment of officers, effective November 1, 2025, as follows. Oda Masayuki New positions and assignments: Managing Director In charge of Global Business Strategy, Accounting, Finance and M&A HIS Global Destination Management Company President Former positions and assignments: Managing Director In charge of Global Business Strategy, Accounting, Finance and M&A Sawada Hidetaka Director, Senior Executive Officer HIS JAPAN Vice President, In charge of Information System DX Promotion and CISO, General Manager of Domestic Travel Sales Division, Investment Strategy Division and AI Innovation Division Director, Senior Executive Officer HIS JAPAN Vice President, In charge of Information System DX Promotion and CISO, General Manager of Domestic Travel Sales Division and Investment Strategy Division. Oda Masayuki is scheduled to resign from his position at the 45th Ordinary General Meeting of Shareholders of H.I.S. Co., Ltd. scheduled for January 28, 2026.

Changes to the appointment of executive officers (effective November 1, 2025) Takano Kiyoshi Former positions and assignments: Executive Officer General Manager of Information Systems and DX Promotion Headquarters Executive Officer General Manager of Information Systems, DX Promotion Headquarters and CX Management Division; Deputy General Manager of AI Innovation Division Fukushima Ken Former positions and assignments: Executive Officer Representative Director and President HIS Design and Plus Co., Ltd. New positions and assignments: Executive Officer General Manager of Governance Management Division Hatano Hideo Former positions and assignments: Executive Officer General Manager of Global Business Headquarters, (*4) H.I.S. Canada Holdings Inc. President and CEO New positions and assignments: Executive Officer H.I.S. Canada Holdings Inc. President and CEO, HIS Global Destination Management Company Vice President Kumamoto Tomohisa Former positions and assignments: Executive Officer General Manager of Central and South America, General Manager of HIS Mexico New positions and assignments: Executive Officer General Manager of Central and South America, General Manager of HIS Mexico, General Manager of Global Sales Division.