IRYSUSD UM, SLXUSD UM X-Perps Fee Grouping Adjustment Announcement Dear Ouyi user, we are about to adjust the fee grouping for the following contract trading pairs. Starting from 15:00-17:00 (UTC+8) on July 2, 2026, IRYSUSD UM, SLXUSD UM X-Perps: previously the standard rate for contract group 1, will be uniformly adjusted to the standard rate for group 2. Please refer to the transaction fee page for the latest rates applicable to your region for the adjusted fee groups IRYSUSD UM and SLXUSD UM for X-Perps trading pairs. Please note that perpetual contracts may not be available in all regions. If such services or features are not available in your jurisdiction, the terms related to such services or features do not apply to you. Please adjust your trading strategy in a timely manner according to the adjusted rules for users trading related currency pairs. We deeply apologize for any inconvenience caused to you. If institutions and VIP clients need assistance, they can use your existing OKX Telegram group, @ OKX_Institutions Telegram group, send an email to institutional @ (okx.com), or contact your account manager. Risk Warning: This article is for reference only and is not intended to provide (i) investment advice or recommendations; (ii) Offer or solicitation to purchase, sell, or hold digital assets; (iii) Financial, accounting, legal or tax advice. We do not guarantee the accuracy, completeness, or usefulness of such information. The digital assets held (including stablecoins and NFTs) involve high risks and may experience significant fluctuations. Historical returns do not represent future returns, and past performance does not represent future results. OKX assumes no responsibility for any potential losses. You should carefully consider whether trading or holding digital assets is suitable for you based on your financial situation. For your specific situation, please consult your legal/tax/investment professionals. Not all regions offer all products and services, and in some regions, products and services may be restricted or not available. For more details, please refer to the OKX Terms of Service and Risk Disclosure and Disclaimer. Please be responsible for understanding and complying with applicable local laws and regulations on your own. Thank you for your continued support. Ouyi team