[Saitama Prefecture] Naming Rights Public Offering Leads to Saitama Super Arena's Nickname Becoming "GMO Arena Saitama"!

Saitama Super Arena aims to be a 'globally unique hub for culture and entertainment' and a 'stage for creating a future towards sustainable regional and social development.' To achieve this, we have been conducting a public offering not just for naming rights, but for a Value-Up Naming Rights Partner who will collaborate with us to enhance the facility's competitiveness and added value by utilizing their corporate resources. We are pleased to announce that the nickname and partner company for Saitama Super Arena have been decided. Furthermore, the planned closure period for Saitama Super Arena, initially set from January 13, Reiwa 8 (2026) for a maximum of 18 months, has been shortened, and the facility will reopen in April, Reiwa 9 (2027). 1. Nickname and Logo GMO Arena Saitama

* It may be displayed as "GMO Arena Saitama (Saitama Super Arena)" alongside the official name. 2. Partner Company GMO Internet Group, Inc. Headquarters Location: Cerulean Tower, 26-1 Sakuragaokacho, Shibuya-ku, Tokyo https://group.gmo/ 3. Nickname Usage Period April 1, Reiwa 8 (2026) to March 31, Reiwa 14 (2032) * Upon contract expiration, priority negotiation rights will be granted for renewal requests. 4. Naming Rights Fee (Excluding Tax) ・550 million yen/year (Reiwa 9 (2027) to Reiwa 13 (2031)) ・50 million yen/year (For Reiwa 8 (2026) only, during the closure period) 5. Initiatives for Enhancing Facility Competitiveness and Added Value ・Enhancement of hospitality facilities and functions ・Cashless payment at in-facility shops ・Development of high-speed communication lines ・Introduction of AI and robots ・Implementation of various events to create vibrancy 6. Target Facility ・Facility Name: Saitama Super Arena

・Location: 8 Shintoshin, Chuo-ku, Saitama City

・Facility Overview: Stadium (Capacity: 37,000 seats): Concerts, martial arts, assemblies, etc. Main Arena (Capacity: 22,500 seats): Concerts, sports, etc. Community Arena (Capacity: 4,000 seats): Exhibitions, etc. Locker rooms, multipurpose rooms, dressing rooms, waiting rooms, parking lot

7. Contact Information Urban Development Department, Urban Development Policy Division, Planning and Shintoshin Business Coordination Section Direct Line: 048-830-5682 E-mail: a5310-07@pref.saitama.lg.jp