"GMO SONIC 2027" Decided to be Held!

GMO Internet Group (Group Representative: Masatoshi Kumagai) and Creativeman Production Co., Ltd. (Representative Director: Naoki Shimizu) have decided to hold a large-scale music festival "GMO SONIC 2027" for two days on April 3rd (Saturday) and 4th (Sunday), 2027, at "GMO Arena Saitama" (Saitama City, Saitama Prefecture). GMO Internet Group entered into a value-up naming rights contract with Saitama Prefecture and Saitama Arena Co., Ltd. on March 30, 2026 (Monday). As a result, it has been decided that Saitama Super Arena will be renamed "GMO Arena Saitama" starting from April 2026. "GMO SONIC 2027" will be held as the first performance after the renewal and reopening of "GMO Arena Saitama," which is currently undergoing renovation.

About "GMO SONIC 2027" (URL: https://sonic.gmo/) "GMO SONIC" is a large-scale music event hosted by GMO Internet Group, which operates internet infrastructure, internet security, internet advertising/media, internet finance, and crypto asset businesses with the corporate catchphrase "Internet for All," and Creativeman Production Co., Ltd., which organizes music festivals such as SUMMER SONIC in addition to performances by domestic and international artists. This year, which marks the 5th iteration since its inception in 2023, will be held at "GMO Arena Saitama." Artists leading the domestic and international dance music scene are scheduled to appear. As a major music event originating in Japan, we will deliver a festival that fuses Japanese culture and entertainment to customers worldwide. GMO Internet Group will evolve "GMO SONIC" into a music festival that Japan can be proud of to the world, delivering "smiles" and "excitement" to more people.

About "GMO Arena Saitama" GMO Internet Group entered into a value-up naming rights partner contract with Saitama Prefecture and Saitama Arena Co., Ltd. on March 30, 2026 (Monday). As a result, the nickname of "Saitama Super Arena" will be "GMO Arena Saitama" from April 2026. GMO Internet Group positions this naming right not merely as a nickname assignment, but as an initiative to realize "evolution of the arena" and "contribution to the local community" by fusing No.1 technology and hospitality.

We will evolve it into a "unique cultural and entertainment hub in the world" and a "stage for creating the future for sustainable regional and social development," aiming to realize a "Smart Arena" that is even more world-class and loved by the local community, with the catchphrase "GMO Arena Saitama" delivering "smiles, excitement, and passion to everyone."