Dear HTX Users,

In order to improve our margin trading services, HTX will be listing ZKC on its margin markets and providing corresponding trading services starting from 14:00 (UTC) on September 15, 2025.

Details on new margin assets are as follows:

Isolated Margin Trading Pair:

ZKC/USDT (10X)

Thank you for your support.

HTX

September 15, 2025