f-code Inc. Re-Certified as 'Technology Partner' in LINE Yahoo Partner Program for Fiscal 2026

f-code Inc. (Headquarters: Shinjuku-ku, Tokyo; Representative Director and President: Tsutomu Kudo; Securities Code: 9211; hereinafter 'the Company') is pleased to announce that it has been certified as a 'Technology Partner' in the Communication category of the 'LINE Yahoo Partner Program' for fiscal 2026, following its certification in the previous year.

The Company has been supporting many enterprises in improving their Customer Experience (CX) through 'hachidori,' a results-oriented LINE marketing support tool. This re-certification is a result of the high evaluation of the Company's technical capabilities and its support system, where dedicated experts provide guidance from initial design to operational improvement. Moving forward, f-code will deepen its partnership with LINE Yahoo Corp. to contribute further to the business growth of client companies.

### About the 'LINE Yahoo Partner Program' The 'LINE Yahoo Partner Program' is a certification program introduced to more proactively promote the resolution of marketing and CX issues using LINE and Yahoo! JAPAN. It certifies advertising agencies and service developers in categories such as 'Sales Partner,' 'Technology Partner,' 'Network Partner,' 'Adtech Partner,' and 'Industry Solution Partner.'

### About 'Technology Partner' 'Technology Partners' provide technical support in the implementation of marketing solutions and API-related services centered on 'LINE Official Accounts,' 'Apply with LINE,' and 'LINE Mini Apps.' The 'Communication' category, in which the Company was certified, requires partners to maintain high technical standards and demonstrate flexibility in responding to specification changes. With this certification, f-code will contribute to the growth of marketing solutions provided by LINE Yahoo and the overall market.

### About 'hachidori' 'hachidori' is a results-oriented LINE marketing support tool that offers not only the tool itself but also total support from strategy planning to operational improvement by dedicated experts. It maximizes user experience (CX) through advanced segment delivery, automated responses via chatbots, and external data integration. URL: https://hachidori.io/

### About f-code Inc. f-code Inc. is a marketing technology company providing support through marketing and AI/technology under the philosophy of 'Enriching the world through marketing technology.' Since its establishment in 2006, the company has supported clients in areas such as digital consulting, digital marketing support, SaaS product provision, and UI/UX improvement. In recent years, it has been supporting business transformation through the provision of generative AI products, generative AI consulting and education, and AI-driven application development. With 19 group companies, f-code aims for further business expansion.

### Company Profile Name: f-code Inc. Location: 2F Kagurazaka Sotobori-dori Bldg., 1-1 Kagurazaka, Shinjuku-ku, Tokyo 162-0825 Representative: Representative Director and President Tsutomu Kudo Established: March 2006 Business: DX strategy design and execution support, marketing support, AI/technology support Capital: 63,491,000 yen (as of late March 2026) Employees: Approx. 900 (group-wide, as of late December 2025) URL: https://f-code.co.jp/ Listed Market: Tokyo Stock Exchange Growth Market (Securities Code: 9211)