HTX to Support the DYDX(DYDX), XION(XION) and Casper(CSPR) Network Upgrades

Dear HTX Users, HTX will support the DYDX(DYDX), XION(XION) and Casper(CSPR) Network Upgrades with the following plan: HTX will suspend the deposit and withdrawal services for DYDX at 15:00:00 (UTC) on December 8, 2025; HTX will suspend the deposit and withdrawal services for XION at 15:00:00 (UTC) on December 8, 2025; HTX will suspend the deposit and withdrawal services for CSPR at 13:00:00(UTC) on December 11, 2025; You may deposit DYDX, XION and CSPR in advance. We will handle all technical requirements involved for all users. Please note: ● The DYDX(DYDX) Network Upgrade will take place at block height of 66630000 (approximately at 16:51:10 (UTC) on December 8 , 2025;The XION(XION) Network Upgrade will take place at block height of 16425000 approximately at 16:56:29 (UTC) on December 8, 2025;The Casper(CSPR) Network Upgrade will take place at block height of Era 20517 approximately at 14:55:00 (UTC) on December 11, 2025; ● The trading of DYDX, XION and CSPR 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 DYDX, XION and CSPR once we deem the upgraded network to be stable, which will not be further announced. For more information, please refer to: https://github.com/dydxprotocol/v4-chain/releases/tag/protocol%2Fv9.5.0 https://github.com/burnt-labs/xion/releases/tag/v25.0.1 https://github.com/casper-network/casper-node/releases/tag/v2.1.1 HTX December 8 , 2025(HTX)