HTX to Support the ENJ(Enjin Coin) and POL(Polygon Ecosystem Token) Network Upgrades

Dear HTX Users,

HTX will support the ENJ(Enjin Coin) and POL(Polygon Ecosystem Token) Network Upgrades with the following plan:

HTX will suspend the deposit and withdrawal services for ENJ at 14:30:00 (UTC) on May 18, 2026;

HTX will suspend the deposit and withdrawal services for POL at 12:00:00 (UTC) on May 21, 2026;

You may deposit ENJ and POL in advance. We will handle all technical requirements involved for all users.

Please note:

● The ENJ(Enjin Coin) Network Upgrade will take place at block height of 15543000 (approximately at 16:20:00 (UTC) on May 18, 2026);The POL(Polygon Ecosystem Token ) Network Upgrade will take place at block height of 87218600 (approximately at 14:00:00 (UTC) on May 21, 2026);

● The trading of ENJ and POL 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 ENJ and POL once we deem the upgraded network to be stable, which will not be further announced.

For more information, please refer to:

https://enjin.io/blog/enjin-blockchain-kallang-upgrade/

https://github.com/0xPolygon/bor/releases/tag/v2.8.

HTX

May 15, 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.