Mother Entertainment Co., Ltd. (Headquarters: Yokohama, Kanagawa Prefecture, Representative Director: Yusuke Yoshio, hereinafter "Mother Entertainment"), in collaboration with the Shin Toshi Life Holdings Group (Shin Toshi Life Holdings Co., Ltd., Headquarters: Shinjuku, Tokyo, Representative Director: Nobukazu Tanaka), will open a new event and entertainment base "YOKOHAMA COAST REALITY PORT" within "PLOT48" on August 8, 2026 (Saturday) (planned). This facility will operate as a new base for the event brand "YOKOHAMA COAST" developed in the east exit of Yokohama Station, and will accommodate a wide range of uses such as exhibitions, pop-up events, corporate promotions, and IP content events. Through the opening of this facility, Mother Entertainment will work to improve connectivity and create new excitement from the east exit of Yokohama Station to the Minatomirai area. 1. YOKOHAMA COAST REALITY PORT Facility Overview Facility Name: YOKOHAMA COAST REALITY PORT Location: 4-4 Minatomirai, Nishi-ku, Yokohama, Kanagawa Prefecture (within PLOT48) Access: 7-minute walk from Minatomirai Line "Shin-Takashima Station" Opening Date: August 8, 2026 (Saturday) Grand Opening (planned) 2. Background of Opening Mother Entertainment has been working to create foot traffic and revitalize the Yokohama area through the operation of "Asביל," a complex experiential entertainment facility in the east exit of Yokohama Station, and the event brand "YOKOHAMA COAST." Since its opening, Asביל has contributed to increasing the length of stay and connectivity for visitors through the development of various events and content, and has grown into a facility that attracts approximately 4.44 million visitors annually. Through collaboration with the Shin Toshi Life Holdings Group, we aim to create new foot traffic connecting the east exit of Yokohama Station and the Minatomirai area, and enhance the overall appeal of the area by opening a new base in the Shin-Takashima area. 3. Positioning of the