HTX to Update Assessment & Elimination Rules and Fee Rates for Market Makers

Dear HTX Market Makers, To further optimize the platform's liquidity structure, deepen market depth, and enhance the overall trading experience, HTX will implement updated Assessment & Elimination Rules and Maker Fee rates for Market Makers, effective 16:00 (UTC) on Nov 30, 2025. These updates provide more precise standards to maintain reliable liquidity while rewarding market makers for their continued contributions. I. Key Updates Adjustments to Elimination Rules USDT-M Futures: A Market Maker will be placed on the elimination list and disqualified from Market Maker status for the following month if (1) their monthly Maker trading volume is less than 0.1% of the platform's total, and (2) their Monthly Weighted Depth ranks in the bottom 40%. Spot: A Market Maker will be placed on the elimination list and disqualified from Market Maker status for the following month if (1) their monthly Maker trading volume is less than 0.01% of the platform's total; (2) their Maker trading volume is less than 10 million USDT; and (3) their Monthly Weighted Depth ranks in the bottom 20%. Once eliminated, Market Makers cannot reapply for a period of three months. These rules will take effect in December 2025, and all Market Makers will be reviewed monthly. Adjustments to Assessment Rules HTX will implement a Triple-Channel Level-Up Mechanism to fairly recognize diverse contribution strategies. A Market Maker will be upgraded if any one of the three metrics is met. USDT-M Futures Level Proportion of Platform's Total Maker Trading Volume Monthly Weighted Depth Ranking Monthly Weighted Maker Trading Volume (Ranking Requirement) Tier S ≥5% [0,7%] [0,9%] Tier 1 [1.5%,5%) (7%,25%] (9%,25%] Tier 2 [0.1%,1.5%) (25%,60%] (25%,80%] Spot Level Proportion of Platform's Total Maker Trading Volume Monthly Weighted Depth Ranking Monthly Weighted Maker Trading Volume (Ranking Requirement) Tier S ≥0.5% [0,15%] [0,20%] Tier 1 [0.2%,0.5%) (15%,30%] (20%,50%] Tier 2 [0.01%,0.2%) (30%,80%] (50%,80%] Notes: Adjustments to Maker Fee Rates The fee rate update will take effect at 16:00 (UTC) on Dec 31, 2025. Level USDT-M Futures Maker Fee Rate (bps) Tier S -1.40 Tier 1 -1.25 Tier 2 -1.00 Notes: 1 bps = 0.01% Market Makers will receive their negative Maker rebates immediately after each trade is completed. Their Taker fee rate is determined by their Prime level on the HTX platform. II. Implementation and Effective Date Contact Us If you have any questions or need assistance regarding the new rules, please reach out to your dedicated account manager on HTX. We remain committed to enhancing the platform’s liquidity ecosystem and collaborating with our market makers to foster a more stable trading environment. Apply to Become an HTX Market Marker Send an email to [emailprotected] or contact your account manager. Thank you for your continuous support and trust in HTX. HTX Team November 17, 2025(HTX)