For Crypto-M contracts, the perpetual funding rate will be based on Crypto-M perpetual contracts while USDT-M will be based on USDT-M perpetual contracts.

Airdrop rules Snapshot time: December 12, 2020, 12:00 am UTC Snapshot scope: Funding account, Grow account, and Trading account (Spot and margin trading, crypto-M perpetual and crypto-M futures contracts) Snapshot rules: 1. The XRP that is being withdrawn or not deposited successfully will not be included. 2. The value of all XRP holdings (open orders excluded) under 1 USD will not be included in the airdrop. 3. If XRP loans exist, need to subtract the loan amount from the XRP equity.

Open price are both quoted as USD, and Pnl are settled as USDC Trading fees of USDC-margined futures: Tier Total OKB holding Assets (USD) or 30-day trading volume (USD) USDC-M futures Maker fee Taker fee Lv 1 < 500 < 100,000 / < 50,000,000 0.020% 0.050% Lv 2 ≥ 500 < 100,000 / < 50,000,000 0.018% 0.045% Lv 3 ≥ 1,000 < 100,000 / < 50,000,000 0.017% 0.040% Lv 4 ≥ 1,500 < 100,000 / < 50,000,000 0.016% 0.035% Lv 5 ≥ 2,000 < 100,000 / < 50,000,000 0.015% 0.030% VIP 1 ≥ 100,000 / ≥ 50,000,000 0.010% 0.030%

Open price are both quoted as USD, and Pnl are settled as USDC Trading fees of USDC-margined perpetual: Tier Total OKB holding Assets (USD) or 30-day trading volume (USD) USDC-M perpetual Maker fee Taker fee Lv 1 < 500 < 100,000 / < 50,000,000 0.020% 0.050% Lv 2 ≥ 500 < 100,000 / < 50,000,000 0.018% 0.045% Lv 3 ≥ 1,000 < 100,000 / < 50,000,000 0.017% 0.040% Lv 4 ≥ 1,500 < 100,000 / < 50,000,000 0.016% 0.035% Lv 5 ≥ 2,000 < 100,000 / < 50,000,000 0.015% 0.030% VIP 1 ≥ 100,000 / ≥ 50,000,000 0.010%