Coin-margined contracts: = (Current Size + Added Size) / (Current Size / Entry Price + Added Size / Added Size's Entry Price) U-margined contracts: = (Current Size x Entry Price + Added Size x Added Size's Entry Price) / (Current Size + Added Size) Floating PnL Coin-margined contracts: Long positions PnL = Face value x |Size| x Multiplier x (1／Entry price - 1／Mark price) Short positions PnL = Face value x |Size| x Multiplier x (1／Mark price - 1／Entry price) U-margined contracts: Long positions PnL

Asset Underlying Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec XCUUSDT (Copper) 1 lb of Copper H H K K N N U U Z Z Z H CLUSDT (WTI Oil) 1 barrel of WTI Light Sweet Crude Oil G H J K M N Q U V X Z F BZUSDT (Brent Oil) 1 barrel of Brent Crude Oil H J K M N Q U V X Z F G NGUSDT (Natural Gas) 1 MMBtu Henry Hub Natural Gas G H J K M N Q U V X Z F ZWUSDT (Wheat) 1 bushel of Wheat H H K K N N U U Z Z Z H How to read this table: CLUSDT shows "G" under January.

schedule: BZ is currently referencing the BZM6 contract and will roll over into BZN6 in April 2026: • 2026-04-08 5:30PM ET — 80% front-month (BZM6), 20% next-month (BZN6) • 2026-04-09 5:30PM ET — 60% front-month, 40% next-month • 2026-04-10 5:30PM ET — 40% front-month, 60% next-month • 2026-04-13 5:30PM ET — 20% front-month, 80% next-month • 2026-04-14 5:30PM ET — 0% front-month, 100% next-month (rollover complete) BZ designated contract month codes: Jan-H, Feb-J, Mar-K, Apr-M, May-N, Jun-Q, Jul-U,

U-Denominated Returns: Investing in USDT, using dual-currency financial products for buy-low, after successful buy-low, taking profits, earning interest income from the price difference.Operating Mode Introduction Basic Mode Buying and selling coins method: Use the buy-low direction to buy coins within a fixed price range, and after successful purchase, sell coins in the profit-taking direction. Definition of terms Target buy price: The target price at which you want to purchase cryptocurrency.

Futures The liquidation clearance fee under portfolio margin mode is also calculated according to this formula: Type Formula Crypto-margined Face value × Contract multiplier × Number of liquidated positions / Mark price × Position tier maintenance margin requirement corresponding to the number of positions liquidated U-margined Face value × Contract multiplier × Number of liquidated positions × Mark price × Position tier maintenance margin requirement corresponding to the number of positions liquidated

Alienswap Rewards Pool: AlienSwap will provide a Care Package of Alien Score points worth a total of 20,000 U tokens to the addresses of users who participate using the OKX wallet. CricketFly Rewards Pool: One NFT which is worth $10 for each participant who interacts with cricketfly. Cricket in-game token $GMF, total value is around 20k USDT. 4. How to Participate? (1) Download the OKX App or ensure that the app version isn't lower than 6.27.0.