HTX to Support the Ardor(ARDR) Network Upgrades

Dear HTX Users,

HTX will support the Ardor(ARDR) Network Upgrades with the following plan:

HTX will suspend the deposit and withdrawal services for ARDR at 14:30:00(UTC) on February 1, 2026;

You may deposit ARDR in advance. We will handle all technical requirements involved for all users.

Please note:

● The Ardor(ARDR) Network Upgrade will take place at block height of 4333333(approximately at 16:40:00(UTC) on February 1, 2026;

● The trading of ARDR will not be affected during the network upgrades.

● The network upgrades will not result in creation of new tokens.

● HTX will resume deposits and withdrawals for ARDR once we deem the upgraded network to be stable, which will not be further announced.

For more information, please refer to:

https://www.jelurida.com/ardor/downloads

HTX

January 19, 2026

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HTX reserves the right in its sole discretion to amend or change or cancel this announcement at any time and for any reasons without prior notice. The above is for information purposes only and HTX makes no recommendations or guarantees in respect of any virtual asset, product, or promotion on HTX. Prices of virtual assets are highly volatile and trading virtual assets involves risk. Please read our Risk Reminder text here.