During this period, certain Flexible Loan services will be temporarily unavailable.Maintenance window Start time 2026-03-31 08:00 (UTC+0) End time 2026-03-31 08:30 (UTC+0)Restricted services during maintenance Flexible Loan access: The Flexible Loan page and related features will be unavailable. New borrowing: New borrowing requests can’t be submitted. Collateral adjustments: Adding or withdrawing collateral on existing loans won’t be available.

At 02:00 UTC on February 10, 2026, OKX will update the current annualized reward rules for our Simple Earn product. 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

During the promotion period, the deposit requirement will be reduced to 500 USDT. Promotion Period December 24, 2025, 12:00 UTC+7 – January 1, 2026, 23:59 UTC+7 Starting January 1, 2026, the Diamond Merchant deposit requirement will return to the standard 1,000 USDT. Who’s eligible To participate in the promotion, make sure you meet the following criteria: Your account is registered in Indonesia. You are a Lite user or Super Merchant before the promotion start date.

OKX team March 27, 2026

Example (buying Up): Buy 500 Up shares at 0.60 USDT: Margin frozen ≈ 500 × 0.60 + fee ≈ 300.xx USDT Maximum loss (if Down wins) ≈ 300.xx USDT Maximum gain (if Up wins) ≈ 500 × 0.40 − settlement fee ≈ 199.xx USDT Example (buying Down): Buy 500 Down shares at 0.40 USDT: Margin frozen ≈ 500 × 0.40 + fee ≈ 200.xx USDT Maximum loss (if Up wins) ≈ 200.xx USDT Maximum gain (if Down wins) ≈ 500 × 0.60 − settlement fee ≈ 299.xx USDTPositions & PnLPosition Value Current position value = Number of shares held

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

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

No. of open orders for one underlying 500 500 500 500 #5 Max. No. of contracts held for one instrument 100,000 200,000 100,000 1,000,000 #6 Max. No. of long or short contracts held for one underlying 300,000 300,000 300,000 2,000,000 #7 Max. No. of contracts held for one underlying 500,000 500,000 500,000 5,000,000 These limits are general limits and are subject to change. Please contact customer service or institutional@okx.com to apply for increased limits.II.

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%

Example (buying Up): Buy 500 Up shares at 0.60 USDT; Margin ≈ 500 × 0.60 + fees > 300 USDT Example (buying Down): Buy 500 Down shares at 0.40 USDT; Margin ≈ 500 × 0.40 + fees > 200 USDTPositions & PnL Position Value Current position value = Number of shares held × Current market price Note: This value (including floating PnL) cannot be used as margin.

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

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

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.