Dear OKX Wallet users, OKX is pleased to announce the upcoming launch of OKX Cryptopedia Season 21 on July 15, 2024, at 10am (UTC). During the Campaign Period, participating in and verifying interactive tasks related to Solv Protocol, will give you the chance to share in a pool of 12,600,000 SOLV tokens. 1. Rules Cryptopedia Season 21 consists of a total of 3 tasks. Completing tasks allow you to be eligible for the prize pool of 12,600,000 SOLV tokens.

Sincerely, The OKX team 21, May, 2024

Listing time: DEGEN/USDT: 10:00 am UTC on November 21, 2024 SLERF/USDT: 10:05 am UTC on November 21, 2024 ARKM/USDT: 10:10 am UTC on November 21, 2024 For the details of the tiered margin level, please refer to Margin Borrowing Position Tiers after the official listing. For the limits of Simple Earn, please refer to the Introduction to OKX Simple Earn and Its Rules after the official listing. II.

USDT-margined perpetual futures trading: OKX Perpetual Futures Trading User Agreement OKX team March 21, 2025

OKX team August 21, 2025

ELF deposit - 10:00 Dec 21, 2017 (Hong Kong Time) 2. ELF spot trading - 11:00 Dec 21, 2017 (Hong Kong Time) As the transaction of digital assets involve extensive risks, you are reminded to assess your risk tolerance before participating in these trades. As always, OKX will do all it takes to provide you with the best products and services. OKX December 21, 2017

OKX, Apr 21, 2023

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 8: 50,000,000+ USD 30% 30% 30% 30% 30% 30% 30% 30%

USDT-margined perpetual futures trading: OKX Perpetual Futures Trading User Agreement OKX team January 21, 2025

OKX team January 21, 2026

Please take note of the following schedule: S deposits will open at 3:00 am UTC on January 21, 2025. S/USDT call auctions will take place from 6:00 am to 7:00 am UTC on January 21, 2025. S/USDT spot trading will open at 7:00 am UTC on January 21, 2025. S withdrawals will open at 11:00 am UTC on January 21, 2025.

Dear valued customers, As the wallet upgrade of High-performance Blockchain (HPB) is complete and the system has resumed stable operation, we reopened the withdrawal of HPB at 08:00 Mar 21, 2019 (CET, UTC +1). Thank you very much for your continued support and we assure you of our best service at all times. Regards, OKX Mar 21, 2019

The depositing and withdrawal services of ADA will resume at 10:30 Feb 21, 2020 (UTC). We apologize for any inconvenience this may cause. Thank you for your continued support and we assure you of our best services at all times. Regards, OKX Feb 21, 2020 (UTC) Join OKX Community Telegram: https://t.me/OKXOfficial_English

The depositing and withdrawal services of ZIL will resume at 04:30 Feb 21, 2020 (UTC). We apologize for any inconvenience this may cause. Thank you for your continued support and we assure you of our best services at all times. Regards, OKX Feb 21, 2020 (UTC) Join OKX Community Telegram: https://t.me/OKXOfficial_English

Dear Valued Customers, We are launching our EOS&OMG spot trading service at 16:00 on Nov 21, 2017(Beijing time). Friendly reminder: Digital asset is a high-risk investment instrument. Users should fully understand the risks and consequences involved in trading these cryptocurrencies. As always, We, OKX will continue to work better than our best to serve you. OKX 21 November 2017