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Other Disclosures3903gumi Inc.Information and Communications, Services and Others

Notice Regarding the Execution of a Joint Business Agreement Concerning K-POP

The Company has entered into an agreement with STONE.B to jointly invest in K-POP IP content and pursue related businesses. The parties are currently producing content that combines K-POP artists with Japanese IP.

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Announced details

K-POP IP content; collaboration business combining K-POP artists with Japanese IP
Applicable field (uses covered by this announcement)

K-POP, IP content, live entertainment, and related entertainment

Contract Date25 June 2026
Relationship between the counterparty and the company
gumi Inc.3903
Relationship with the Company

Joint business partner. The parties have entered into a joint business agreement and will jointly advance this project.

CounterpartySTONE.B Co., Ltd.

VORT Higashi-Shinjuku 501, 2-2-12 Okubo, Shinjuku-ku, Tokyo. Representatives are Co-Founder & CEO KIM WOO JAE and Co-Founder & CEO CHO YOUNSANG. The company operates platforms, ticket sales systems, event production and operations, and event promotion, and engages in the planning and development of IP content, the planning and sale of merchandise, systems integration, solution development, and system and IT services development. Its major event track record includes NMIXX FAN CONCERT and 2024 IU H.E.R. WORLD TOUR CONCERT IN YOKOHAMA.

Location (as indicated in this announcement)

VORT Higashi-Shinjuku 501, 2-2-12 Okubo, Shinjuku-ku, Tokyo

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

Concert Promoters Association of Japan, Annual Basic Survey Report by Year, 2024; Yano Research Institute, Survey of the Otaku Market, 2025

Announced details
ItemDetails
Names of Products / Services CoveredK-POP IP content; collaboration business combining K-POP artists with Japanese IP
CounterpartySTONE.B Co., Ltd.
Counterparty overviewVORT Higashi-Shinjuku 501, 2-2-12 Okubo, Shinjuku-ku, Tokyo. Representatives are Co-Founder & CEO KIM WOO JAE and Co-Founder & CEO CHO YOUNSANG. The company operates platforms, ticket sales systems, event production and operations, and event promotion, and engages in the planning and development of IP content, the planning and sale of merchandise, systems integration, solution development, and system and IT services development. Its major event track record includes NMIXX FAN CONCERT and 2024 IU H.E.R. WORLD TOUR CONCERT IN YOKOHAMA.
Relationship with the CompanyJoint business partner. The parties have entered into a joint business agreement and will jointly advance this project.
Contract Date25 June 2026
Applicable areaK-POP, IP content, live entertainment, and related entertainment
LocationVORT Higashi-Shinjuku 501, 2-2-12 Okubo, Shinjuku-ku, Tokyo
SourceConcert Promoters Association of Japan, Annual Basic Survey Report by Year, 2024; Yano Research Institute, Survey of the Otaku Market, 2025
Items this document does not state (10)
Contract ValueOffering priceLaunch dateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocation scaleQuantitative EffectsUsage historyImpact on Business Performance

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The Company viewed the expanding K-POP live performance market and otaku-related market as an opportunity, as a first step toward acquiring IP for its neo-media entertainment business.

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Notice Regarding the Execution of a Joint Business Agreement Concerning K-POP | gumi Inc. (3903) timely disclosure | Komori