Workflow System "DigifLow" to be Renamed "DigiRio" Effective April 1, 2026

RIT Inc. (Headquarters: Toshima-ku, Tokyo; President: Ryota Yasutake; hereinafter "RIT"), a group company of Taiyo Holdings Co., Ltd. (Headquarters: Toshima-ku, Tokyo; President: Hitoshi Saito; Securities Code: 4626) responsible for the ICT business, announces that it will change the service name of its workflow system, "DigifLow," to "DigiRio."

This change is being implemented for the purpose of consolidating the service brand and is scheduled for April 1, 2026. Please note that this change applies only to the service name; there will be no changes to system functionality, usage methods, or contract details. Existing customers may continue to use the service as they have been.

Background of the Name Change for the Workflow System "DigifLow" With the digitalization of corporate operations and the spread of remote work, the adoption of workflow systems aimed at streamlining internal procedures and approval processes is expanding. By digitizing application and approval tasks that were previously handled via paper or email, companies expect to see improvements in operational speed, increased management transparency, and strengthened internal controls.

Against this backdrop, RIT has provided the workflow system "DigifLow" to support corporate operational efficiency. This service is a system that realizes streamlined business flows and centralized management by completing various application and approval processes digitally.

We have decided to change the name to "DigiRio" as part of our service brand consolidation.

About the New Service Name Effective April 1, 2026, the service name will be changed as follows:

Old Name: DigifLow New Name: DigiRio

This change applies only to the service name; there are no changes to system functionality, operation methods, or contract details. Furthermore, there is no change to the service URL, and you may continue to use the service as before.

Changes Accompanying the Name Change With the change in service name, the following items will be updated sequentially: - Logo display at the top of the system screen - Title display in notification emails - References in service introduction materials, etc.

There are no changes to service functionality, operation methods, contract details, or usage environment. Existing customers may continue to use the service as before.

Future Outlook As an IT partner supporting corporate operational efficiency and DX promotion, RIT develops and provides various business systems. Taking this service name change as an opportunity, we aim to further enhance the value of our services in the workflow domain and will continue to support the digitalization and streamlining of corporate business processes.

What is DigiRio? DigiRio is a cloud-based workflow system that digitizes paper and Excel-based application tasks "as they are." It smoothly transitions analog tasks that existing approval systems cannot handle into a paperless format with zero burden on the front lines. It features intuitive operability that allows users to replicate familiar paper formats on screen, as well as secure history management via SharePoint integration. Its low-maintenance design, which flexibly adapts to organizational changes and exceptional workflows, significantly reduces the operational burden on administrative departments. The service allows for a small start, with free usage available for up to 10 users.

DigiRio Service Site: https://sdx-flow.com/

Additionally, this service has been listed as an electronic certificate service following review and approval based on standards set by the Ministry of Justice. This publicly demonstrates that DigiRio can be used for electronic certificates in legal procedures such as online applications for commercial and corporate registration.

Workflow system "DigiRio (formerly DigifLow)" can now be used for online applications for commercial and corporate registration, etc., as stipulated by the Ministry of Justice: https://prtimes.jp/main/html/rd/p/000000053.000036710.html

<Other Reference Information> RIT's workflow system "DigiRio (formerly DigifLow)" conducts customer survey: https://prtimes.jp/main/html/rd/p/000000043.000036710.html

<About Taiyo Holdings and RIT> Taiyo Holdings is a leading company boasting the world's No. 1 market share (*) in solder resist (an insulating material that protects the surface of printed circuit boards used in various electronic devices). Leveraging the power of chemistry, the group promotes various business activities, including the Electronics Business, which develops, manufactures, and sells chemical materials for electronic components essential to numerous electronic products; the Medical and Pharmaceutical Business, which manufactures, sells, and provides contract manufacturing for medical drugs; the ICT Business, which supports our group and customers in the digital domain; the Fine Chemical Business, which conducts contract synthesis development; the Energy Business, which promotes the spread of renewable energy; and the Food Business, which operates plant factories. * Source: "Current Status and Future Prospects of Advanced Electronics Materials 2024," Fuji Chimera Research Institute, Inc.

RIT is an IT company that supports business development for the Taiyo Holdings Group and external customers. With consultants, engineers, designers, and marketers on staff, we provide end-to-end support. In addition to system development and DX consulting, we also develop and offer our own products and services utilizing generative AI.

<RIT Inc. Company Overview> [Headquarters] 15F Metropolitan Plaza Building, 1-11-1 Nishi-Ikebukuro, Toshima-ku, Tokyo 171-0021 [Representative] Ryota Yasutake [Established] August 2, 2013 [Capital] 6 million yen [Number of Employees] 40 (including 15 engineers) (as of April 1, 2025) [URL] https://www.rit-inc.co.jp/

◾️Inquiries regarding this matter RIT Inc. Public Relations Email: info@rit-inc.co.jp Phone: 050-3204-3210