**[OKX Scheduled Maintenance for Block Trading RFQ System on October 22, 2026]** Dear OKX Users, To further enhance system performance and provide you with a better trading experience, OKX will perform maintenance on the Block Trading RFQ (Request for Quote) system on October 22, 2026, from 17:30 to 18:00 (UTC+8). Impact during maintenance: - The RFQ system will enter read-only (maintenance) mode. During this period, you will not be able to create new RFQs, submit or accept quotes, or complete block trades via the RFQ system. - You will still be able to view existing RFQs, quotes, and historical records as usual. - Once maintenance is completed, related services will automatically resume. The actual maintenance duration may be shortened or extended. If completed early, no further notification will be issued. To avoid any impact on your trading activities, we recommend completing any ongoing RFQs and transactions before the maintenance begins. We sincerely apologize for any inconvenience caused and thank you for your understanding and support. OKX October 21, 2026