**[Announcement from OKX Regarding Adjustments to Tiered Margin Rules for Certain Contracts]** Dear OKX Users, To further enhance market liquidity and mitigate market risks, OKX plans to adjust the tiered margin rules for certain contracts on September 26, 2025, from 2:00 PM to 6:00 PM (UTC+8). Details of the adjustments are as follows: Please note that due to market conditions, the adjustment time for certain tokens may change or be postponed. Please refer to the *Tiered Margin Explanation* to confirm whether the adjustments for relevant tokens have been successfully implemented. **Risk Reminder** Due to recent significant market fluctuations, the maintenance margin rate for user positions may increase after the tiered margin rule adjustments. To prevent forced liquidation caused by these adjustments, please promptly manage your risk by closing positions, reducing positions, or adding margin to lower the actual leverage ratio. OKX will continue to provide you with superior products and high-quality services! OKX Team September 22, 2025