Dear HTX Users,

As per IRISnet's official announcement, the IRISnet (IRIS) upgrade will take place at the block height of 17,685,953, or approximately at 05:30 (UTC) (for reference only) on December 5, 2022. HTX will support the IRISnet (IRIS) upgrade with the following plan:

HTX will suspend the deposit and withdrawal services for IRIS at 05:00 (UTC) on December 5, 2022. You may deposit IRIS in advance. We will handle all technical requirements involved for all users holding IRIS in their HTX accounts.

Please note:

● The trading of IRIS will not be affected during the network upgrade .

● The IRISnet (IRIS) upgrade will not result in creation of new tokens.

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

For more information, please refer to:

• IRIS Hub Upgrade v1.4.1

• IRISnet Mainnet 1.4 Upgrade Pre-Announcement

HTX

December 2, 2022

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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.