After the adjustment, the maximum number of pending orders per trading symbol will be 500. For example, for the perpetual swap contract BTC-USDT-SWAP, the futures contract BTC-USDT-230707, and the spot BTC-USDT, each will support a maximum of 500 pending orders. The maximum number of pending orders per account remains unchanged at 4,000. The existing rules for options trading will not be changed.

Interest-free quota Interest-free limit Asset Interest-free limit USDT 20000USDT+Max（0，Cross equity of USDC） USDC 5000 BTC 1 LTC 10 ETH 5 ETC 2000 XRP 5,000 EOS 500 BCH 5 BSV 5 TRX 30,000 LINK 50 DOT 50 ADA 500 ALGO 500 ATOM 20 CRV 100 FIL 10 DASH 2 IOST 10,000 IOTA 500 KNC 200 NEO 10 ONT 300 QTUM 100 THETA 100 SUSHI 30 SUN 20 XLM 1,000 UNI 20 XMR 2 XTZ 100 ZEC 2 YFI 0.01 YFII 0.1 Notes: The maximum interest-free range is calculated on a per-account basis, which means each main account or sub-account

Interest-free quota Crypto Interest-free quota (Token amount) USDT 20,000 BTC 1 LTC 10 ETH 5 ETC 2000 XRP 5,000 EOS 500 BCH 5 BSV 5 TRX 30,000 LINK 50 DOT 50 ADA 500 ALGO 500 ATOM 20 CRV 100 FIL 10 DASH 2 IOST 10,000 IOTA 500 KNC 200 NEO 10 ONT 300 QTUM 100 THETA 100 SUSHI 30 SUN 20 XLM 1,000 UNI 20 XMR 2 XTZ 100 ZEC 2 YFI 0.01 YFII 0.12. Interest calculation and deduction Interest calculation time: Recorded every hour on the hour. Interest deduction time: Recorded every hour on the hour.

Details as follow: USDT-margined perpetual swap： Asset Tier-1 max. open contracts Step size to next tier (contracts) Basic maintenance margin ratio Basic initial margin ratio BTC 50,000 500,000 0.5% 1.0% ETH 100,000 400,000 1.0% 2.0% EOS 50,000 200,000 1.0% 2.0% LTC 250 1,000 1.0% 2.0% BCH 500 2,000 1.0% 2.0% ETC 500 500 1.5% 3.0% XRP 500 1,000 1.5% 3.0% TRX 500 1,000 2.0% 5.0% BSV 100 200 2.0% 5.0% USDT-margined futures: Asset Basic risk limits (contracts) Step size to next tier (contracts) Basic

Updated reward rules are as follows: Crypto Limit APR USDT 500 10.00% USDC 500 10.00% ETH 0.2 5.00% BTC 0.01 5.00% OKB 10 5.00% Participation eligibility: This activity is open to users through OKX App and the OKX website. You must complete your KYC verification. Sub-accounts aren’t eligible for this reward. OKX Team February 10, 2026

Prize Pool for MASK IFO Level Users to Share Prize Pool (MASK) 1th 10 500 2th 50 100 3th 200 50 4th 500 20 5th 2000 10 Details: https://www.OKX.com/promotion/UHWS/001 You can learn more about Mask Network here : Mask Network Risk warning: Trading digital assets involves significant risk and may result in the loss of your invested capital.

Details as follows: Normal Users Tier Total OKB Holding Perpetual Swap 30-Day Trading Volume (BTC) Maker Fee Taker Fee Lv1 < 500 < 5,000 0.020% 0.050% Lv2 ≥ 500 < 5,000 0.018% 0.045% Lv3 ≥ 1,000 < 5,000 0.017% 0.040% Lv4 ≥ 1,500 < 5,000 0.016% 0.035% Lv5 ≥ 2,000 < 5,000 0.015% 0.030% VIP Users Tier Perpetual Swap 30-Day Trading Volume (BTC) Maker Fee Taker Fee VIP1 ≥ 5,000 0.010% 0.030% VIP2 ≥ 10,000 0.005% 0.030% VIP3 ≥ 20,000 0.000% 0.030% VIP4 ≥ 60,000 -0.005% 0.030% VIP5 ≥ 100,000 -0.008% 0.030%

100 Sell Lite 30 days 20 10 80% 0 0 300 9999 Buy Super 0 0 0 80% 0 0 0 9999 Buy Diamond 0 0 0 80% 0 0 0 9999 GEL TJS AMD MDL KGS UZS AZN Buy Lite 30 days 10 5 80% 0 0 500 100 Buy Super 0 0 0 80% 0 0 0 9999 Buy Diamond 0 0 0 80% 0 0 0 9999 KZT Buy Lite 30 days 35 20 80% 0 0 1,000 100 Sell Lite 30 days 20 15 80% 0 0 0 9999 Buy Super 0 0 0 80% 0 0 0 9999 Buy Diamond 0 0 0 80% 0 0 0 9999 BYN Buy Lite 30 days 20 10 80% 0 0 500 100 Buy Super 0 0 0 80% 0 0 0 9999 Buy Diamond 0 0 0 80% 0 0 0 9999

April 23 BTCUSDT short position Opened: April 6, 2023 Closed: April 23, 2023 +100 USDT 10 USDT A new round of settlement cycle begins Mon, April 24 ETHUSD long position Opened: April 24, 2023 Closed: April 24, 2023 +300 USDT 30 USDT Tues, April 25 BTCUSDT short position Opened: April 24, 2023 Closed: April 25, 2023 -1000 USDT 0 On April 24 00:00 profit sharing for April 17 to 23 will be calculated as below: Net profit and loss for settlement period: 200 - 50 + 300 - 500 + 500 + 100 = 550 USDT Total

Let’s assume their OKB holding snapshots are as follows: Snapshot A B C D Minimum OKB Holding within 3-day 50 5 500 100 Average OKB Holding within 3-day 2,000 5 500 1,000 According to the table above, the allotment coefficient of user A, B, C, and D will be 20, 1, 30, and 20 respectively. Let’s say the session supply is 2,000 tokens, then the pledge of user A, B, C, and D will be 500, 50, 1,000 and 1,000 respectively.

Specific adjustment details are as follows: ADAUSDT futures Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 100 1.00% 1.30% 75 2 101 200 1.50% 2.00% 50 3 201 500 2.00% 5.00% 20 4 Increase by 500 conts from the previous tier Increase by 500 conts from the previous tier Increase by 0.5% from the previous tier Increase by 0.5% from the previous tier Max. leverage of the tier BCHUSDT futures Tier Min. amount (Cont) Max. amount (Cont) Maintenance

Contract Name No. of Long(+)/Short(-) Positions Open Order Contracts No. of Pending Order Contracts 1 BTCUSD-191227-7500-C -500 Buy 5000 Sell 750 Buy 6000 2 BTCUSD-191227-8000-C 1000 Sell 1200 N/A The number of contracts in the order to be placed + number of contracts in open orders of the same direction + number of contracts currently held = 6000+5000-500 = 10500.

Liable Orders EGP IQD SAR Buy Lite 30 days 35 20 80% 0 0 10,000 100 Sell Lite 30 20 10 80% 0 0 500 9999 Buy Super 0 0 0 80% 0 0 0 9999 Buy Diamond 0 0 0 80% 0 0 0 9999 TRY ILS TND BHD KWD QAR MAD EGP JOD OMR SDG Buy Lite 30 days 20 10 80% 0 0 10,000 100 Sell Lite 30 20 10 80% 0 0 500 9999 Buy Super 0 0 0 80% 0 0 0 9999 Buy Diamond 0 0 0 80% 0 0 0 9999

Specific adjustment details are as follows: Before-adjusted tiers of DOGEUSDT perpetual contract: Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 500 1.00% 1.30% 75.00 2 501 1,200 1.50% 2.00% 50.00 3 1,201 5,000 2.00% 5.00% 20.00 4 5,001 10,000 2.50% 5.50% 18.18 5and above Increase by 5,000 conts from the previous tier Increase by 5,000 conts from the previous tier Increase by 0.5 % from the previous tier Increase by 0.5 % from the previous

Suggest copying >1 month with a maximum total amount of 500+ USDT. Avoid high leverage.