【PRESS RELEASE】Notice of Company Name Change Due to Transition to New Structure Prometex Holdings Co., Ltd. (Headquarters: Aichi Prefecture, Representative Director: Kenichi Enaka) will change its company name to MED Communications Kitanippon Co., Ltd. on July 1, 2026. As part of the transition to a new structure, we will absorb and merge our subsidiary, Nihon Jutaku Sogo Kaihatsu Co., Ltd., and relocate our headquarters to Tokyo. Furthermore, Prometex Energy Co., Ltd. and Prometex Create Co., Ltd. will be absorbed and merged into MED Engineering Co., Ltd., a MED group company. 【Purpose of Company Name Change】 Prometex Holdings Co., Ltd. became a member of the MED Holdings Co., Ltd. group on July 30, 2025. Following this, each operating company has developed its business by leveraging its respective strengths. Moving forward, we will further strengthen cooperation within the group and aim to maximize synergistic effects by leveraging the group's strengths. In this reorganization, we will promote brand value enhancement and recognition by unifying group companies under the "MED" brand. We also aim to build a stronger business foundation by centralizing information dissemination, thereby realizing consistent value provision to customers. 【Changes】 (1) Company Name Change and Reorganization Old Company Name New Company Name Nihon Jutaku Sogo Kaihatsu Co., Ltd. Absorbed and merged into Prometex Holdings Co., Ltd. Prometex Holdings Co., Ltd. Company name changed to MED Communications Kitanippon Co., Ltd. (2) Structural Change (Absorption Merger) Old Company Name New Company Name Prometex Energy Co., Ltd. Absorbed and merged into MED Engineering Co., Ltd. Prometex Create Co., Ltd. Absorbed and merged into MED Engineering Co., Ltd. 【Future Outlook】 We will further strengthen cooperation among MED group companies and promote brand unification. Under the brand concept of "Delivering the promise of peace of mind for 100 years from now," the MED Group will strive to provide ev