News Release Dated May 8, 2024
Company: Japan System Techniques Co., Ltd.
Representative: Takeaki Hirabayashi, President and CEO
Stock code: 4323, Tokyo Stock Exchange, Prime Market
Contact: Taku Hirabayashi, Director and Senior Officer
Tel: +81-6-4560-1000

JAST Starts Provision of Medical Data Sets on the JDEX Data Marketplace
Japan System Techniques Co., Ltd. (JAST) started providing medical data sets on JDEX , a data marketplaceof Japan Data Exchange Inc., on April 30, 2024. There are menus for free data sets and data sets availablefor a fee.The details are as per attached.
This matter will have only a negligible effect on JAST’s results of operations. An announcement will be madepromptly if there is any additional information that should be disclosed.

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NEWS RELEASEMay 8, 2024
Japan System Techniques Co., Ltd.
Japan Data Exchange, Inc.

JAST Starts Provision of Medical Data Sets on the JDEX Data Marketplace
Japan System Techniques Co., Ltd. (Head Office: Osaka, Representative: Takeaki Hirabayashi, President and CEO; JAST)
started providing medical data sets on JDEX, a data marketplace of Japan Data Exchange Inc., on April 30, 2024. There aremenus for free data sets and data sets available for a fee.

Started providing medical data sets!

■ Background
In November 2022, JAST began using a different platform to provide medical data sets that use JAST’s REZULT medical big
data platform. JAST has added JDEX as a new platform for the provision and utilization of these data sets for the purpose of
supporting co-creation activities such as joint research and the development of new products. In addition to the provision ofdata sets at no cost, JAST has started providing data sets for a fee with the addition of JDEX distribution to expand the rangeof available medical data sets.
The medical data sets provided by using JDEX is based on the disease and injury database that is already available throughanother platform. JAST has increased the detail and content of the scope of information that is available. As a result, the datasets can provide ICD-10 minor classification x age medical expenses, the number of patients and the number of healthinsurance invoices.
Through this service, JAST and JDEX will promote the utilization of medical data of high social interest and high potentialfor collaboration and cooperative creation, and will work together to create medical data businesses that transcend theboundaries between industry, academia and government.

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NEWS RELEASE*Use this URL for more information about the data provided using JDEX
https://www.jdex.jp/members/products/data-offerings/dda4e03287d04916875d31693c6ce6d6/view◼

The JDEX data marketplace

JDEX is a data marketplace where members can safely buy and sell data. Kanematsu Corporation, Dawex, which is based inFrance, and Japan Data Exchange Inc. created and operate this marketplace.
This marketplace provides a secure platform for transactions involving high-quality data. Companies, research institutes,
government agencies and many other organizations use JDEX for the utilization of data for business activities, research andother needs. Since the start of operations in 2020, JDEX has grown to a marketplace with more than 270 companies and othermembers in Japan and other countries spanning a broad range of industries and other categories.
JDEX website: https://www.service.jdex.jp/◼

The Future Co-Creation Laboratory of JASTThe Future Co-Creation Laboratory of JAST is engaged in the co-creation digital transformation (DX) by using partnerships
with companies, academic institutions and local governments. Activities involve the development of new products and services
by using JAST’s REZULT medical big data platform and working closely with partners and customers. Main objectives are
the growth of data held by JAST and its corporate value and the creation of more methods for solving the problems of customers.
Operations of The Future Co-Creation Laboratory also contribute to accomplishing Sustainable Development Goals number
three, good health and well-being, and nine, industry, innovation and infrastructure. These activities include the use of medical
big data to enable people to stay healthy and the use of alliances with the academic sector for joint research and the developmentof products.

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NEWS RELEASE

Inquiries

Japan System Techniques Co., Ltd.
The Future Co-Creation Laboratory
Contact: https://www.jastlab.jast.jp/contact/
Website of The Future Co-Creation Laboratory: https://www.jastlab.jast.jp/
Japan Data Exchange, Inc.
JDEX Management Team: support@jdex.jp
JDEX website: https://www.service.jdex.jp/

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