Announcement Regarding Appointment of Representative Executive Chairman and Executive President

Blueship Inc. (Headquarters: Shibuya-ku, Tokyo; hereinafter 'the Company') announces that it will transition to a new executive structure as of April 1, 2026, as detailed below. Since its establishment, the Company has supported the promotion of digital transformation for a wide range of administrative and private sector clients, under the vision of 'solving social issues with IT service management.' This change in executive structure aims to strengthen collaboration with Japan System Co., Ltd., with which the Company has a capital and business alliance, and to enhance the group's overall service delivery capabilities as the Company enters its next growth phase. This will enable the Company to establish a system that can respond quickly and with high quality to increasingly diverse and complex customer challenges. Under the new structure, the Company will further deepen its on-site capabilities and trusted relationships with customers, and through strengthened collaboration with Japan System, will expand access to specialized personnel and resources, improve responsiveness to large-scale and complex projects, and further enhance service quality and stability. Please note that there will be no changes to transaction arrangements, contract details, or services currently provided as a result of this change. We will continue to provide stable services under the same system as before and strive for further quality improvement. ■New Executive Structure (Effective April 1, 2026) Representative Executive Chairman CEO: Katsuya Matsuno *Also serves as Representative Executive President of Japan System Co., Ltd. Executive President COO: Masaki Kanai *Also serves as Executive CSO / Head of ServiceNow Business Division of Japan System Co., Ltd. ■Reference: Profiles of New Executives Katsuya Matsuno, Representative Executive Chairman CEO: Held key positions for over 20 years in major departments such as enterprise customer sales, system integration, consulting, and software business at IBM Japan, Ltd. and Oracle Japan. Subsequently, as a director and executive at Konica Minolta, Inc. and Konica Minolta Japan, Inc., he promoted the transition from a business portfolio centered on printing equipment to one centered on IT business. Most recently, he contributed to the expansion of domestic business as Vice President at Genpact Inc. Appointed Representative Executive President of Japan System Co., Ltd. in October 2025, and concurrently appointed Representative Executive Chairman CEO of Blueship Inc. from April 2026. Masaki Kanai, Executive President COO: Engaged in strategic consulting, primarily in the IT industry and public sector, at BayCurrent Consulting, Inc. and PwC Consulting LLC Strategy Team (now Strategy&). In addition to strategy formulation, he also has hands-on experience in business turnaround. At Mizuho Research Institute Ltd., he led the launch and expansion of strategic consulting services for large corporations. Subsequently, he was responsible for strategy formulation and promotion at ADK Marketing Solutions Inc. Joined Japan System Co., Ltd. in December 2021 as CSO, leading the formulation and execution of the medium-term management plan. Concurrently appointed Head of ServiceNow Business Division in March 2026, and concurrently appointed Executive President COO of Blueship Inc. from April 2026. ■Company Overview Headquarters: JRE Yoyogi 1-chome Building, 1-22-1 Yoyogi, Shibuya-ku, Tokyo 151-0053. Established: March 18, 2004. Capital: 30 million yen. Representative: Katsuya Matsuno, Representative Executive Chairman. Business Activities: Service transition, digital workflow construction services, digital transformation implementation support. Company URL: https://www.blueship.co.jp