Announcement from Ouyi on the Adjustment of Rate Currency Pair Grouping Dear Ouyi user: We will update the grouping of commission trading pairs for spot and contract on August 5, 2026 from 15:00 to 17:00 (UTC+8). The new grouping is as follows: 1. Description of Spot Trading Pair Group 1 Head Trading Pair AAVE-USDT,ACE-USDT,ADA-USDT,AI-USDT,ALLO-USDT,APT-USDT,ARB-USDT,ARG-USDT,AVAX-USDT,BASED-USDT,BCH-USDT,BNB-USDT,BONK-USDT,BTC-USDT,BTC-USD Ⓢ, CC-USDT,CORE-USDT,CRO-USDT,DATA-USDT,DOGE-USDT,DOT-USDT,EDGE-USDT,ENA-USDT,ETC-USDT,ETH-USDT,ETH-USD Ⓢ, ETHFI-USDT,FIL-USDT,GRAM-USDT,HYPE-USDT,ICP-USDT,INJ-USDT,JTO-USDT,JUP-USDT,KAITO-USDT,LDO-USDT,LINK-USDT,LIT-USDT,LTC-USDT,MET-USDT,MON-USDT,MORPHO-USDT,NEAR-USDT,NES-USDT,NIGHT-USDT,NIGHT-USD Ⓢ, OKB-USDT,ONDO-USDT,OP-USDT,ORDI-USDT,PAXG-USDT,PENGU-USDT,PEPE-USDT,PI-USDT,PROS-USDT,PUMP-USDT,RE-USDT,SHIB-USDT,SLX-USDT,SOL-USDT,SOL-USD Ⓢ, STRK-USDT,SUI-USDT,TAO-USDT,TRUMP-USDT,TRX-USDT,UNI-USDT,VIRTUAL-USDT,WLD-USDT,WLFI-USDT,XAMD-USDT,XAUT-USDT,XCRCL-USDT,XGOOGL-USDT,XINTC-USDT,XLM-USDT,XMRVL-USDT,XMSTR-USDT,XMU-USDT,XPL-USDT,XRP-USDT,XRP-USD Ⓢ, XSKHY-USDT,XSNDK-USDT,XSOXL-USDT,XSPCX-USDT,XSPY-USDT,XTSLA-USDT,ZAMA-USDT,ZAMA-USD Ⓢ ZEC-USDT, ZRO-USDT, BETH-ETH, ETH-BTC, SOL-BTC group 2 active trading pairs A-USDT, ACT-USDT, ADA-USD Ⓢ, AEON-USDT, AEON-USDT Ⓢ, AGLD-USDT, AI-USD Ⓢ, ALGO-USDT,APE-USDT,AR-USDT,ASTER-USDT,ATH-USDT,ATOM-USDT,AVNT-USDT,AXS-USDT,BARD-USDT,BERA-USDT,BETH-USDT,BIO-USDT,BLUR-USDT,BOME-USDT,CARDS-USDT,CARDS-USD Ⓢ,CFG-USDT,CFX-USDT,CHIP-USDT,CHIP-USDⓈ,CHZ-USDT,CRV-USDT,CSPR-USDT,DASH-USDT,DATA-USDⓈ,DOGE-USDⓈ,DOOD-USDT,DYDX-USDT,EDGE-USDⓈ,EIGEN-USDT,ENJ-USDT,ENS-USDT,FET-USDT,FLR-USDT,FOGO-USDT,GALA-USDT,GRAM-USDⓈ,GRASS-USDT,GRASS-USDⓈ,HBAR-USDT,HMSTR-USDT,HUMA-USDT,HYPE-USDⓈ,IOTA-USDT,IRYS-USDT,IRYS-USDⓈ, KAIA-USDT,KAT-USDT,KITE-USDT,LAT-USDT,LPT-USDT,LRC-USDT,MANA-USDT,MEGA-USDT,MEGA-USD Ⓢ,MERL-USDT,MEW-USDT,MMT-USDT,MON-USDⓈ,MOODENG-USDT,MOVE-USDT,NEAR-USDⓈ,NEO-USDT,NES-USDⓈ,OFC-USDT,OFC-USDⓈ,OKSOL-USDT,ONDO-USDⓈ, ONE-USDT,ONT-USDT,PARTI-USDT,PENDLE-USDT,PEOPLE-USDT,PNUT-USDT,POL-USDT,POR-USDT,PYTH-USDT,RAY-USDT,RE-USD Ⓢ, RENDER-USDT,RESOLV-USDT,ROBO-USDT,SAFE-USDT,SEI-USDT,SENT-USDT,SKL-USDT,SKY-USDT,SLX-USD Ⓢ,SNX-USDT,SPACE-USDT,SPK-USDT,STETH-USDT,STX-USDT,SUI-USDⓈ,TAO-USDⓈ, TIA-USDT,TOSHI-USDT,TRB-USDT,W-USDT,WET-USDT,WIF-USDT,XAAPL-USDT,XAMZN-USDT,XASTS-USDT,XAVGO-USDT,XBMNR-USDT,XCH-USDT,XCOIN-USDT,XCRWD-USDT,XCSCO-USDT,XDELL-USDT,XEWY-USDT,XGME-USDT,XHIMS-USDT,XHOOD-USDT,XIBM-USDT,XIREN-USDT,XIWM-USDT,XLITE-USDT,XLLY-USDT,XMETA-USDT,XMSFT-USDT,XNFLX-USDT,XNVDA-USDT,XORCL-USDT,XPLTR-USDT,XQQQ-USDT,XTSM-USDT,XUSAR-USDT,YB-USDT,YGG-USDT,ZBCN-USDT,ZEC-USD Ⓢ ZK-USDT, OKB-BTC, OKSOL-SOL Group 3 All other trading pairs on the spot market All other available trading pairs on the fiat currency pricing (such as TRX/BRL/AED/AUD/SGD) and zero rate, stablecoin and other groups will maintain their existing rules and are not within the scope of this adjustment. Please note that not all trading pairs are available in all jurisdictions, and the availability of trading pairs is subject to applicable laws and regulations, which vary by jurisdiction. Due to the fact that trading pairs are constantly being added, removed, and updated, this trading pair is for reference only. If you need to know the latest applicable rates for trading pairs, please refer to OpenAPI or the www.(((okx.com))/feet page. 2、 Contract Group Description Trading Pair Group 1 Head Trading Pair AAVE-USDT, ADA-USDT, ALLO-USDT, AMD-USDT, ARB-USDT, AVAX-USDT, BASED-USDT, BCH-USDT, BEAT-USDT, BILL-USDT, BNB-USDT, BONK-USDT, BSB-USDT, BTC-USDT, BTC-USD, BTC-USD UM, BZ-USDT, CAP-USDT, CBRS-USDT, CL-USDT, CRCL-USDT, DOGE-USDT, DOGE-USD, DOT-USDT, DRAM-USDT, EDGE-USDT, ENA-USDT, ESP-USDT, ETC-USDT, ETH-USDT, ETH-USD, ETH-USD UM, EWY-USDT, FIL-USDT, GOOGL-USDT, GRAM-USDT, HOME-USDT, HYPE-USDT, HYPE-USD, INJ-USDT, INTC-USDT, JTO-USDT, KAITO-USDT, KORU-USDT, LA-USDT, LAB-USDT, LDO-USDT, LINK-USDT, LIT-USDT, LITE-USDT, LTC-USDT, MRVL-USDT, MSTR-USDT, MU-USDT, NBIS-USDT, NEAR-USDT, NIGHT-USDT, NVDA-USDT, O-USDT, OKB-USDT, ONDO-USDT, OP-USDT, ORDI-USDT, PENGU-USDT, PEPE-USDT, PI-USDT, PIEVERSE-USDT, PUMP-USDT, QQQ-USDT, RAVE-USDT, RE-USDT, SAMSUNG-USDT, SHIB-USDT, SKHY-USDT, SKHYNIX-USDT, SLX-USDT, SNDK-USDT, SNXX-USDT, SOL-USDT, SOL-USD, SOL-USD UM, SOON-USDT, SOXL-USDT, SOXS-USDT, SPCX-USDT, SUI-USDT, TAO-USDT, TRUMP-USDT, TRX-USDT, TSLA-USDT, UB-USDT, UNI-USDT, WLD-USDT, WLFI-USDT, XAG-USDT, XAU-USDT, XLM-USDT, XPL-USDT, XRP-USDT, ZAMA-USDT, ZEC-USDT Group 2: All other trading pairs in the contract market. Please note that not all trading pairs are available in all jurisdictions, and their availability is subject to applicable laws and regulations, which may vary by jurisdiction. Due to the fact that trading pairs are constantly being added, removed, and updated, this trading pair is for reference only. If you need to know the latest applicable rates for trading pairs, please refer to OpenAPI or the www.(((okx.com))/feet page. Please adjust your trading strategy in a timely manner according to the adjusted rules for users of relevant trading 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