OKX will resume trading for COVER/USDT and COVER/ETH today at 12:00 pm UTC. The time for deposits and withdrawals will be announced soon. For more details and information, please refer to the following: Announcement on OKX’s solution to the COVER incident Regards, OKX Jan. 12, 2021 Click Here to Download OKX App >>> Click Here for OKX Twitter >>> Click Here to Join OKX Official Community >>>

The functionality and process of trading will remain familiar but under the new naming convention. This update is part of our commitment to improving our platform and ensuring a more efficient trading experience for our users. We appreciate your continued support and welcome any feedback. For more information or assistance, please visit our support center. Thank you for trading with OKX. OKX Team December 15, 2023

12% 18% 21% 27% 30% 40% Tier 3: 5,000,000 - 10,000,000 USD 1.5% 2% 3% 4% 5% 10% 15% 21% 24% 30% 30% 40% Tier 4: 10,000,000 - 30,000,000 USD 2% 3% 4% 5% 6% 12% 18% 24% 30% 30% 30% 40% Tier 5: 30,000,000 - 50,000,000 USD 3% 4% 5% 6% 7% 15% 21% 27% 30% 30% 30% 40% Tier 6: 50,000,000 - 80,000,000 USD 4% 5% 6% 7% 8% 17% 27% 30% 30% 30% 30% 40% Tier 7: 80,000,000 - 120,000,000 USD 5% 6% 7% 8% 12% 20% 30% 30% 30% 30% 30% 40% Tier 8: 120,000,000+ USD 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 40%

KONOdeposits open at 07:00 am UTC on April 6 2. Spot trading for KONO/USDT opens at 9:00 am UTC on April 6 3.

The depositing and withdrawal of HYC resumed at 6:30 Nov 12, 2019 (UTC). Thank you very much for your continued support and we assure you of our best service at all times. Regards, OKX Nov 12, 2019 (UTC)

Dear users, OKX has completed perpetual swaps trading system maintenance at 6:40 a.m. on January 12, 2021 (UTC). The affected service is already available. We apologize for the inconvenience that caused during the maintenance. Regards, OKX January 12, 2021 (UTC) Click Here to Download OKX App >>> Click Here for OKX Twitter >>> Click Here to Join OKX Official Community >>>

Time Trading pairs Service upgrade duration 6:00 am - 6:10 am (UTC) 1. NFTUSDT Perp 2. KISHUUSDT Perp 3. SWEATUSDT Perp 4. DORAUSDT Perp 5. CROUSDT Perp 6. GODUSDT Perp 7. USDCUSDT Perp 8. FITFIUSDT Perp 9. JSDTUSDT Perp 10. FLMUSDT Perp 11. SLPUSDT Perp 12. ALPHAUSDT Perp Specific trading pairs will be suspended in turn for about 2 minutes. Other trading pairs will not be affected. 6:10 am - 6:20 am (UTC) 1. CELUSDT Perp 2. PERPUSDT Perp 3. CVCUSDT Perp 4. BADGERUSDT Perp 5. IOSTUSDT Perp 6.

15% 20% 25% 30% 40% Tier 2: 1,000,000 - 5,000,000 USD 1% 1.5% 2% 3% 4% 6% 12% 18% 21% 27% 30% 40% Tier 3: 5,000,000 - 10,000,000 USD 1.5% 2% 3% 4% 5% 10% 15% 21% 24% 30% 30% 40% Tier 4: 10,000,000 - 20,000,000 USD 2% 3% 4% 5% 6% 12% 18% 24% 30% 30% 30% 40% Tier 5: 20,000,000 - 30,000,000 USD 3% 4% 5% 6% 7% 15% 21% 27% 30% 30% 30% 40% Tier 6: 30,000,000 - 40,000,000 USD 4% 5% 6% 7% 8% 17% 27% 30% 30% 30% 30% 40% Tier 7: 40,000,000 - 50,000,000 USD 5% 6% 7% 8% 12% 20% 30% 30% 30% 30% 30% 40% Tier

Perpetual CORE/USDT 0.00001 0.0001 6:11:00 - 6:12:59 am Perpetual FLM/USDT 0.00001 0.0001 6:13:00 - 6:14:59 am Perpetual LDO/USDT 0.0001 0.001 6:15:00 - 6:16:59 am Perpetual LOOKS/USDT 0.00001 0.0001 6:17:00 - 6:18:59 am Perpetual MEME/USDT 0.000001 0.00001 6:19:00 - 6:20:59 am Perpetual NEAR/USDT 0.0001 0.001 6:21:00 - 6:22:59 am Perpetual WAXP/USDT 0.00001 0.0001 6:23:00 - 6:24:59 am Perpetual XLM/USDT 0.00001 0.0001 6:25:00 - 6:26:59 am Perpetual XLM/USD 0.00001 0.0001 6:27:00 - 6:28:59 am Perpetual

The promotion starts on June 15, 2023 12:00 AM PST and ends on June 30, 2023 12:00 AM PST. To qualify, use the OKX app to purchase crypto on the P2P marketplace.

0.00001 0.0001 6:11:00 - 6:12:59 am Spot IOST/USDC 0.000001 0.00001 6:13:00 - 6:14:59 am Spot CELO/USDC 0.0001 0.001 6:15:00 - 6:16:59 am Spot SKEB/USDT 0.0000001 0.000001 6:17:00 - 6:18:59 am Spot GOAL/USDT 0.00001 0.0001 6:19:00 - 6:20:59 am Spot POR/USDT 0.0001 0.001 6:21:00 - 6:22:59 am Spot WIFI/USDT 0.00001 0.0001 6:23:00 - 6:24:59 am Spot CITY/USDT 0.0001 0.001 6:25:00 - 6:26:59 am Spot BTM/USDT 0.00001 0.0001 6:27:00 - 6:28:59 am Spot ARG/USDT 0.0001 0.001 6:29:00 - 6:30:59 am Spot RADAR

SUI will begin trading in the following schedule: SUI /USDT call auction begins at 11:50 am UTC on May. 3 SUI /USDT Spot trading opens at 12:10 pm UTC on May. 3 SUI withdrawals open at 12:00 pm UTC on May. 3 Your Jumpstart SUI tokens were released on your funding account at 6:00 am UTC on May. 3 Introducing the SUI Token Sale on OKX Jumpstart Call Auction Mechanism Asset name: Sui Ticker: SUI Total Supply: 10,000,000,000 Circulating Supply at Launch (May 3): 528,273,717 Risk warning: Trading digital

3% 4% 5% 6% 12% 18% 24% 30% 30% 30% 40% Tier 5: 30,000,000 - 50,000,000 USD 3% 4% 5% 6% 7% 15% 21% 27% 30% 30% 30% 40% Tier 6: 50,000,000 - 80,000,000 USD 4% 5% 6% 7% 8% 17% 27% 30% 30% 30% 30% 40% Tier 7: 80,000,000 - 120,000,000 USD 5% 6% 7% 8% 12% 20% 30% 30% 30% 30% 30% 40% Tier 8: 120,000,000+ USD 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 40%

To avoid unreasonable charges, the upper limit of the funding fee before 4:00 pm UTC on February 6, 2024 is 0.03%. After 4:00 pm UTC on February 6, 2024, the upper limit of the predicted funding fee will be adjusted back to normal 1.50%. (The funding fee for this period will be charged at 12:00 am UTC on February 7, 2024.) The price limit rules of FLR USDT-margined perpetual futures trading are the same as those of other currencies.

The following link provides more details: https://www.okx.com/docs-v5/log_en/#2023-12-20 In addition, OKX will closely monitor market changes for altcoins with a significantly fluctuating premium index. When necessary, funding fee collection may change from every 8 hours to every 6 hours, 4 hours, 2 hours, or 1 hour. Details will be announced separately. Friendly reminders: These changes may affect your trading strategies.