Announcement of the Launch of the Special Website

Protect control and measurement equipment from dust, dirt, and heat! Dust-proof rack "Mamorukun."

The dust-proof rack "Mamorukun" is designed to protect information terminal devices such as computers used in harsh environments. By sealing the interior with a unique structure, it safeguards these devices from harmful substances like dust, dirt, and oil mist that may be present in factories. Additionally, it can address temperature issues for those struggling with refrigerators or cold environments, as well as corrosion from gases like hydrogen sulfide. **Features of Mamorukun Standard** - **Most Popular Model**: This is the most popular model in the Mamorukun series. It can accommodate monitors, computers, printers, UPS units, and more all in one place. - **Genuine Dust-Proof Functionality**: This dust-proof rack is committed to sealing effectively, utilizing hollow rubber gaskets to enhance tightness. - **Easy Model Selection**: As a packaged product with no complicated model selection, it saves time and costs in the selection process. - **Choose Exhaust Equipment Based on Installation Environment**: Depending on the installed equipment and environment, you can select the optimal model from fans, heat exchangers, and coolers. For more details, please download the PDF or feel free to contact us. If you would like a catalog in booklet form, please do not hesitate to ask.

• Terminal board/equipment storage rack

A Japanese-made easy assembly stand with the number of screws and parts reduced to the limit.

The display stands from SDS are designed to be resistant to tipping and breaking. This is because we conduct safety tests on all our products. After confirming safety through calculations, we perform safety tests using actual products to ensure that all items meet safety standards. From the design stage, we focus on creating products that are resistant to tipping and breaking. *Please inquire about compatible displays, as some displays cannot be mounted. *Displays are not included. *For more details, please refer to the PDF materials or feel free to contact us. If you would like a printed catalog, please do not hesitate to let us know.

• others

Kort Valuta Inc. (Head Office: Shibuya, Tokyo; CEO: Hideki Shibata) is pleased to announce that we will hold our next recruitment event, “Kort Valuta Night,” on November 26, 2025. This recurring event offers an opportunity for potential candidates to casually learn about our company culture and team atmosphere before applying. By lowering the barrier to entry and providing authentic insights from current employees, the event helps participants gain a more concrete sense of what it’s like to work at Kort Valuta. Since the event’s launch, approximately ten attendees have gone on to join the company in a range of roles — including marketing, customer support, and backend engineering.

The recognition that "the PDF invoice received from the other party must be stored as electronic data" is widely accepted. However, is that response truly sufficient for perfection? ◆ The "receipt" of electronic transactions includes issuance and delivery The Electronic Bookkeeping Act defines "electronic transactions" as the receipt of electromagnetic records related to transaction information. Breaking down the term "receipt" is key to understanding. - "Receipt": Receiving electronic data such as invoices and receipts from business partners - "Issuance": Issuing and delivering electronic data such as invoices and estimates to business partners When downloading a PDF from your company's accounting system and attaching it to an email, or concluding electronic contracts through a cloud-based invoicing service, both the receiving party and the issuing party (your company) are obligated to store the data. 【Utilizing paperlogic DESKTOP for document management】 - Elimination of manual input - Assurance of reliable searchability - Centralized management of receipt and issuance → paperlogic DESKTOP addresses the challenges of complex metadata management in the storage of these issued documents.

We are pleased to announce that Arsystem Co., Ltd. has received the "Health Management Excellent Corporation 2025" and "Next Bright 1000*" certifications under the Health Management Excellent Corporation Certification System promoted by the Ministry of Economy, Trade and Industry and the Japan Health Conference. *Certified corporations that applied for Bright 500, ranking from 501 to 1500. This year, we are also able to receive the new certification "Next Bright 1000," and we feel happy to have taken another step toward realizing our vision of being "the company that values its employees the most on Earth." Moving forward, we will continue to strive to create a "Love Al" environment where each of our valued employees can work healthily and energetically, both physically and mentally.

Recently, the calculation formula for electric floor heating in the "Energy Consumption Performance Calculation Program" has been significantly revised and was officially released in April. With this release, the introduction of electric floor heating in ZEH homes has become possible. For more details on heating conditions, please refer to the attached flyer. "Energy Consumption Performance Calculation Program" can be found here ▸ https://house.app.lowenergy.jp/#/ If you have any other questions or concerns, please feel free to contact our representative.

Kort Valuta Inc. (Headquarters: Shibuya-ku, Tokyo; President & CEO: Hideki Shibata; hereinafter “the Company”) announces that it has renewed the user interface (UI) of TwooCa, the Company’s digital employee ID with Visa payment functionality.