For the latest and most accurate information on applicable fees, please refer to your local OKX fee page.Key Changes Update and Alignment of Group 1 Token Pairs for Spot and Futures The USDT and USDⓈ pairs for the following tokens will be placed under Group 1: BTC / DOGE / ETH / PEPE / PUMP / SOL / SUI / XRP / ADA / LTC PENGU pairs in Spot Group 1 will be moved to Group 2 insteadSpot Markets - Group Definitions Group Description Pairs Group 1 Top Pairs ADA-USDT,ADA-USDⓈ,BTC-USDT,BTC-USDⓈ,DOGE-USDT

It starts on November 21, 2025 at 00:00 PT and ends on November 23, 2025 at 23:59 PT(the "Campaign Period"). This Campaign is available to eligible attendees who (1) receive an OKX branded poker chip in Las Vegas between November 21, 2025 and November 22, 2025 in Las Vegas (the "Event"); (2) register via a link posted on OKX global social accounts; (3) or register via a link shared by OKX influencers.

A simple illustration on how this form works: Let's say UserXYZ on the OKX exchange platform bought 0.1 BTC for $1,000 on 1/1/2025 with a transaction fee of $10 and later on sold 0.1 BTC on 1/2/2025 for $1,500. A form 1099-DA will be issued to UserXYZ from OKX and a copy of the 1099-DA will be shared with the IRS.

Index-based limit calculation rules: Phase Maximum bid price Minimum ask price During Pre-Open session Index × (1 + J) Index × (1 – J) Within the 10 minutes of continuous trading Index × (1 + X) Index × (1 – X) After the first 10 minutes of continuous trading Min[Max(Index, Index (1 + Y) + Avg premium in the last 2 mins), Index × (1 + Z)] Max[Min(Index, Index × (1 – Y) + Avg premium in the last 2 mins), Index × (1 – Z)] OKX may adjust the parameters J, X, Y, Z or switch limit price calculation methods

August 15, 2025, 10:00 AM (UTC+8) The platform will automatically convert OKT held in users' accounts to OKB according to the exchange rules. August 15, 2025, 2:00 PM (UTC+8) Historically repurchased and reserved OKB will be permanently burned through an on-chain smart contract. August 18, 2025, 2:00 PM (UTC+8) The OKB smart contract will be upgraded to remove minting and burning functions.FAQWhat's X Layer? X Layer is a public blockchain, decentralized public blockchain launched by OKX.

Index-based limit calculation rules: Phase Maximum bid price Minimum ask price During Pre-Open session Index × (1 + J) Index × (1 – J) Within the 10 minutes of continuous trading Index × (1 + X) Index × (1 – X) After the first 10 minutes of continuous trading Min[Max(Index, Index (1 + Y) + Avg premium in the last 2 mins), Index × (1 + Z)] Max[Min(Index, Index × (1 – Y) + Avg premium in the last 2 mins), Index × (1 – Z)] OKX may adjust the parameters J, X, Y, Z or switch limit price calculation methods

10 minutes of listing Min[Max(Index, Index (1 + Y) + Avg premium in the last 2 mins), Index × (1 + Z)] Max[Min(Index, Index × (1 – Y) + Avg premium in the last 2 mins), Index × (1 – Z)] OKX may adjust the parameters N, H, X, Y, Z or switch limit price calculation methods based on market conditions without prior notice.

10 minutes of listing Min[Max(Index, Index (1 + Y) + Avg premium in the last 2 mins), Index × (1 + Z)] Max[Min(Index, Index × (1 – Y) + Avg premium in the last 2 mins), Index × (1 – Z)] OKX may adjust the parameters N, H, X, Y, Z or switch limit price calculation methods based on market conditions without prior notice.

10 minutes of listing Min[Max(Index, Index (1 + Y) + Avg premium in the last 2 mins), Index × (1 + Z)] Max[Min(Index, Index × (1 – Y) + Avg premium in the last 2 mins), Index × (1 – Z)] OKX may adjust the parameters N, H, X, Y, Z or switch limit price calculation methods based on market conditions without prior notice.

Please take note of the following details:Listing timeline PROVE, DOOD deposits will open at 7:00 am UTC on Oct 17, 2025. PROVE/USDT, DOOD/USDT pre-open will take place from 10:00 am to 11:00 am UTC on Oct 17, 2025. Spot trading: PROVE/USDT, DOOD/USDT - open at 11:00 am UTC on Oct 17, 2025. PROVE/USD, DOOD/USD - open at 1:00 pm UTC on Oct 17, 2025. PROVE, DOOD withdrawals will open at 2:00 pm UTC on Oct 17, 2025. Note: DOOD is currently not available to users in the United States.

HYPE pre-open will take place from 1:00 pm to 2:00 pm UTC on Nov 4, 2025. HYPE/USDT spot trading will open at 2:00 pm UTC on Nov 4, 2025. HYPE withdrawals will open at 2:00 am UTC on Nov 5, 2025. Risk warning: The foregoing overview and information, some of which may be provided by third parties and not OKX, are for informational purposes only.

Please take note of the following details:Listing timeline MET call auction will take place from 1:00 pm to 2:00 pm UTC on Oct 23, 2025. MET/USDT spot trading will open at 2:00 pm UTC on Oct 23, 2025. MET premarket futures will be converted to standard perpetual futures within 3 hours starting 2:00 pm UTC on Oct 23, 2025 . The conversion will be completed once the index remains stable during this period. MET withdrawals will open at 5:00 pm UTC on Oct 23, 2025.

Spot Trading & Related Services All pending orders for FXS crypto will be canceled and the FXS spot trading pairs FXS/USDT will be suspended between 2:00 and 3:00 UTC on Dec 29, 2025. All pending orders for FXS crypto will be canceled and the FXS spot trading pairs FXS/EUR will be suspended between 02:00 and 03:00 UTC on Dec 26, 2025. Related trading services (such as Buy/Sell and Convert) will be suspended from 08:00 UTC, December 23, 2025.

Please take note of the following details:Listing timeline USDG deposits will open at 6:00 am UTC on Jun 4, 2025. USDG call auction will take place from 12:00 pm to 1:00 pm UTC on Jun 5, 2025. USDG/USDT spot trading will open at 1:00 pm UTC on Jun 5, 2025. USDG withdrawals will open at 3:00 pm UTC on Jun 5, 2025.

Please take note of the following details:Listing timeline ALLO deposits will open at 7:30 am UTC on Nov 11, 2025. ALLO call auction will take place from 12:00 pm to 1:00 pm UTC on Nov 11, 2025. ALLO/USDT spot trading will open at 1:00 pm UTC on Nov 11, 2025. ALLO withdrawals will open at 4:00 pm UTC on Nov 11, 2025.