Notice of temporary suspension of HBAR deposits and withdrawals (05/20 23:00 ~)

Hi there. Upbit is the most trusted digital asset exchange. With the network upgrade of Hedera (HBAR), we will temporarily suspend deposits and withdrawals from 23:00 (KST) on Wednesday, 20 May 2026 until the completion of the stability check. (Paragraph 1 of Article 17 of the Implementing Decree on the Protection of Users of Virtual Assets) Details Targeted Digital Assets: Hedera (HBAR) - Hedera Network - Scope of Interruption: Entry and Withdrawal of Target Digital Assets Reason for Interruption: [Network Upgrade] https://status. (hedera.com)/incidents/t9d33l15ygv0) - Suspension Period : 2026-05-20(Wednesday) 23:00 ~ After checking the stability of deposits and withdrawals, we will guide the resumption of support through this notice *Transactions of these digital assets are supported without interruption. Remarks - **If you make a deposit at the time of the withdrawal suspension, it may not be reflected normally, so please allow enough time in advance to proceed with the deposit. ** - Please note the following during the suspension period. - The deposit return and withdrawal address registration procedures will be temporarily suspended and will be processed sequentially after the withdrawal resumes. - When depositing the digital asset, the deposit may not be reflected in the upgrade account, in which case recovery may not be possible. - During the suspension of deposits and withdrawals, there may be delays in the processing of deposits due to network congestion, etc., and there may be a difference between the time of completion of the confirmation of the transaction on the blockchain network and the time of reflection of the deposit. - In the event of an unplanned check before or after the time of the withdrawal of the deposit, deposits and withdrawals may occur on some blockchain networks, but during the check period there will be no normal processing on our wallet system, which will be processed sequentially after the verification process is completed. Please note that your account may be delayed. Upbeat will work closely with the project team to keep your assets safe and will notify you of any additions or changes to this Notice. Thank you. * Virtual assets are high-risk commodities that may result in the loss of all or part of your investment.