Announcement of Subsidiary’s Release

TOKYO, January 18, 2024 – Coincheck, Inc., a subsidiary of Monex Group, Inc., issued the followingpress release today.

Attachment: Summary of Coincheck, Inc. press release
Coincheck App Wins "No.1 Downloads in Japan" for the fifth consecutive year
- The number of app downloads surpassed a cumulative of 6 million downloads -Contact:

Akiko Kato
Corporate Communications OfficeMonex Group, Inc.
+81-3-4323-8698

Yuki Nakano, Taishi Komori
Investor Relations, Financial Control Department
Monex Group, Inc.
+81-3-4323-8698

This material is an English translation of a Japanese announcement made on the date above. Although the Company intended
to faithfully translate the Japanese document into English, the accuracy and correctness of this English translation is notguaranteed and thus you are encouraged to refer to the original Japanese document. This translation was made as a matter ofrecord only and does not constitute an offer to sell or to solicit an offer to buy securities in the U.S.

[Press Release]
January 18, 2024
Coincheck, Inc.

Coincheck App Wins "No.1 Downloads in Japan"
for the fifth consecutive year- The number of app downloads surpassed a cumulative of 6 million downloads -Coincheck, Inc. (Head office: Shibuya-ku, Tokyo, Representative Director &President: Satoshi Hasuo, hereinafter referred to as "Coincheck") has recorded the"No.1 Downloads in Japan(*)" for the year 2023 among domestic crypto asset trading
apps, and the total number of app downloads has exceeded 6 million. This is thefifth year in a row that the Coincheck app has been ranked No.1 in Japan in termsof app downloads since 2019.
* Among the Japanese crypto asset trading apps. Data source: AppTweak

Why "Coincheck" is chosen:■ Unique value offerings such as IEO and INO
We are providing customers with new opportunities such as IEO and INO. IEO,
Initial Exchange Offering, is a process whereby crypto asset exchanges take theinitiative in reviewing and selling new crypto assets in accordance with Japaneselaws and regulations.We also provide INO, Initial NFT Offerings, where businesses
and creators can pre-sell new NFTs. These are pioneering initiatives in theindustry and serve as one of the main reasons for choosing Coincheck, setting us
apart from other cryptocurrency trading services with our significant strength.
■ User-friendly UI/UX experience for those who are new to crypto asset trading.
The "Coincheck app" is designed to provide a user-friendly UI/UX experience forthose who are new to crypto asset trading. After launching the app, users can
immediately check the cryptocurrency price fluctuations on the “Buy & Sell”
screen, which features Price Charts and List. Additionally, users can transition
to the “Buy & Sell” screen from any tab within the app in three taps or less,ensuring that they don't miss the right trading opportunity. Our UI/UX design iswidely used as the first choice for those who are new to crypto asset trading.

Future Outlook
Our aim is to continue providing stable and attractive services to our customers
trading on Coincheck. Furthermore, we will extend our support to partners who are
venturing into the crypto/web3 field, including IEO and INO. Our collaborative
efforts will facilitate the connection between our partner companies and users inthe crypto/web3 field, enabling more people to access cryptocurrencies and NFTs.
We are committed to creating a world where cryptocurrencies and NFTs are moreaccessible to everyone.

About Coincheck, Inc.
Coincheck, Inc. operates the crypto asset trading service "Coincheck," which has
been "Japan's No.1*" downloaded trading app for five consecutive years. The
company's mission is "Making Exchange of New Value Easier" by providing better
services based on the latest technology and advanced security measures. Coincheckaims to make the "exchange of new value" created by crypto assets and blockchainmore easily accessible to its customers.
*This data is supported by App Tweak and refers to domestic crypto asset trading
apps from January 2019 to December 2023.

For inquiries from the press regarding this release, please contact
Coincheck, Inc. PR Group
Mail: pr@coincheck.com