[Upbit] Sign (SIGN) New Trading Support Notice (KRW, BTC, USDT Market)

Hello. This is Upbit, the most trusted global standard digital asset exchange.

We are providing information on new digital asset trading support as below.

It is expected that securing sufficient liquidity for stable trading of Sign (SIGN) will take some time. Therefore, Upbit will provide additional guidance through this notice after sufficient liquidity has been secured within the exchange.

| Digital Asset | Market | Network | Deposit/Withdrawal Start Time | Trading Support Start Time |

|----------|----------------|------|---------------------|------------|

| Sign (SIGN) | KRW, BTC, USDT | Base | Within 3 hours from announcement posting | To be announced |

* Please be sure to check the network before making any digital asset deposits. Deposits and withdrawals through networks other than the announced one are not supported. ### ※ Trading Restriction Notice The restriction price for trading is determined based on CoinMarketCap prices. - Buy orders will be restricted for about 5 minutes after trading support starts. - Minimum selling is restricted: Selling orders at prices 10% or more below the previous closing price will be restricted for about 5 minutes after trading support starts. - Depending on the market situation at the trading support start time, the restriction price may change. - Order type restriction: All order types except limit orders are restricted for about 1 hour after trading support starts. - Please refer to the table below for the previous closing price and recent price.

| Digital Asset | Previous Closing Price | Recent Price (As of April 29, 15:05) |

| SIGN | 110.84 KRW | 99.20 KRW |

| SIGN |

| SIGN |

|----------------|----------------|---------------------------|

| 0.00000081 BTC | 0.00000073 BTC |

| 0.0771 USDT | 0.069 USDT |

※ Deposit Precautions For deposits that cannot be reflected, the return process may take a long time, so please check the precautions carefully - Deposits and withdrawals are only supported on the announced network (SIGN-Base). Be sure to check the network before depositing. - The contract address for SIGN supported by Upbit is 0x868fced65edbf0056c4163515dd840e9f287a4c3. Please check the contract address when making SIGN deposits and withdrawals. - To comply with the Travel Rule, if assets are deposited to Upbit via an exchange not included in the list of virtual asset service providers eligible for deposits/withdrawals, the deposit cannot be reflected, and the return process for such unreflected deposits may take a long time. - Only deposits and withdrawals from a personal wallet address that has completed 'ownership verification' are possible, and for deposits via a linked personal wallet, the return process may be necessary depending on the network of the asset. - If a large amount of digital assets is deposited with unclear sources, proof of funding may be requested. (Terms of Use Article 17, Clause 8) ### ※ Additional Digital Asset ~~SIGN (Sign)~~ > Sign is a project aiming to make proof technology more accessible and user-friendly, expanding as a core element in our daily lives both in the real world and on the web. It provides services such as Token Table, an on-chain token distribution product; eSign, a Web3 signing platform; and Sign Protocol, a proof protocol for Omnitaine. The virtual asset SIGN is used for gas fees, ecosystem currency, dapp staking, and governance. > Homepage: Sign Official Homepage > X (formerly Twitter): Sign Official X > Whitepaper: Sign Official Whitepaper ✽ If the digital asset cannot be found on PC, please refresh (F5) and check again. ✽ If the digital asset is not visible on the Upbit App, please click More > Display Settings > Refresh Coin Information and check again.

Investment Risk Notice

• Investment in digital assets may be subject to sharp price fluctuations due to speculative demand and changes in domestic and international regulatory environments. The decision to invest in this digital asset is the responsibility of the investor, and any losses arising from it also belong to the investor. Please carefully review project homepages and public documents to fully understand the characteristics of the digital asset and trade cautiously.

• Due to the characteristics of digital asset trading, price differences between domestic and international exchanges continue to occur. Be sure to check for price differences with global exchanges before investing in digital assets.

• Upbit takes various measures, such as restricting minimum order amounts, to create a stable trading environment, but due to an overheated investment environment, some members may see order stabilization messages. This is an unavoidable measure to process orders of earlier members and ensure stable service, so please be aware of this.

※ Virtual assets are high-risk products and may result in total or partial loss of investment funds.

*This is automatically generated information.