Announcement of Subsidiary’s Release

TOKYO, March 24, 2021 – Coincheck, Inc., a subsidiary of Monex Group, Inc., issued the followingpress release today.

Attachment: Summary of Coincheck, Inc. press release
Coincheck NFT (β version) Now Available~ Coincheck starts to link with "CryptoSpells" and "The Sandbox"! Coincheck runs a promotion fortransferring and selling NFTs ~Akiko Kato
Yuki Nakano, Minaka Aihara
Corporate Communications Office
Investor Relations, Financial Control Department
Monex Group, Inc.
Monex Group, Inc.
+81-3-4323-8698+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.
Contact:

[Press Release]
March 24, 2021
Coincheck, Inc.

Coincheck NFT (β version) Now Available~ Coincheck starts to link with "CryptoSpells" and "The Sandbox"!
Coincheck runs a promotion for transferring and selling NFTs ~Coincheck, Inc. (Head office: Shibuya-ku, Tokyo, President: Satoshi Hasuo, hereinafter referred to as"Coincheck") is pleased to announce the launch of its blockchain digital item NFT marketplace,
Coincheck NFT (β version) that allows users to exchange NFTs with 13 different types ofcryptocurrencies currently being handled by Coincheck. Firstly, users can exchange NFTs used in"CryptoSpells,*1" one of the largest blockchain games in Japan, and "The Sandbox,*2" which has
achieved 40 million downloads worldwide. Coincheck plans to expand NFT business beyond gaming
field to a wide range of other fields such as art and sports.
In addition, Coincheck runs "ETH gift promotion to celebrate launch of Coincheck NFT (β version)”starting today.
*1

Guild stock of CryptoSpells is not supported.

*2

Users can trade only LAND.

Coincheck NFT (β version) is an NFT marketplace that aims to resolve issues of conventional NFT
exchanges, such as high network commissions (gas fees) and complicated transaction methods. It isJapan’s first*3 NFT marketplace that is combined with a cryptocurrency trading service, and allows
anyone with a Coincheck account to sell, purchase, or store NFTs with one Coincheck account. Inaddition, since NFTs can be purchased and sold off-chain*4, there are no network commissions (gas fees)for purchasing and selling. It is also possible to transfer NFTs from the web wallet, "MetaMask" toCoincheck and transfer out NFTs from Coincheck to compliant wallets*5.
*3

Among the domestic crypto asset exchange business as of March 24, 2021, according to the survey by Coincheck.

*4

It refers to a transaction method that is not recorded directly on the blockchain.

*5Metamask for PC browser is available. Commissions for the network for on-chain processing or transferring

will be charged when users transfer NFTs from Metamask to Coincheck or transfer them out from Coincheck.

With a corporate mission to make the exchange of new values easier and the belief that NFTs have thepotential to become one such method, Coincheck will strive to offer services that make NFTs morefamiliar to customers.
About Coincheck NFT (β)
Characteristics:-Allows users to sell, purchase and store NFTs with one Coincheckaccount
No network commissions (gas fees) to sell or purchase NFTs
Accepts 13 different types of cryptocurrencies to purchase NFTs*6

Cryptocurrencies
accepted forsettlement*6:

BTC, ETH, LSK, XRP, XEM, LTC, BCH, MONA, XLM, QTUM, BAT, IOST,ENJ

Services*7:

Coincheck (Web), Coincheck app (Android)

Application
procedure:

Anyone with a Coincheck account is automatically eligible to use the service.

Wallet:Compatible wallet to transfer: MetaMask (https://metamask.io/)
Compatible wallet to transfer out: MetaMask or ERC721 compliant wallet

Commissions:

Please visit https://coincheck.com/ja/info/nft_fee*6*7Creator or seller can specify the cryptocurrency to be used for exchange.
Coincheck app (iOS) is planned to be offered.