) … (Varies with maintenance margin ratio) ... 895,000~899,999 92.0% 1 BSV: Tier No. of Contracts Maintenance Margin Ratio Maximum leverage level 1 0~999 2.0% 20 2 1,000~1,999 2.5% 15 3 2,000~4,999 3.0% 10 4 5,000~9,999 3.5% 9 5 10,000~19,999 4.0% 9 6 20,000~24,999 4.5% 8 7 25,000~29,999 5.0% 8 8 30,000~34,999 5.5% 8 9 35,000~39,999 6.0% 8 10 40,000~44,999 6.5% 8 ... … (Step size 5,000 to next tier) … (Step size 0.5% to next tier) … (Varies with maintenance margin ratio) ... 895,000~899,999 92.0%

For market makers, please contact your account manager or institutional@okx.com to raise any limits.6.4 Self Trade Prevention Self trade prevention is offered via API.6.5 Rate Limit Single order rate limit is 60 requests per 2 seconds. Batch order rate limit is 300 requests per 2 seconds. Colocation users have 4 times of the standard limits.

In no event will more rewards be awarded than declared. 6.5 Non-Deliverable Rewards. Details of rewards not specifically mentioned in these rules will be determined at the sole discretion of OKX. OKX is not responsible and will not replace any reward that is undeliverable, or any reward(s) or components of a reward that are lost, damaged, or stolen. Fiscal and Shipping Concerns.

In no event will more than the stated number of prizes be awarded. 6.5 Undeliverable Prizes. Prize details not specifically stated in these rules will be determined at OKX’s sole discretion. OKX is not responsible for and will not replace any prize that is undeliverable or any lost, damaged, or stolen prize(s) or components of a prize. 7. Tax and Shipping Concerns OKX will ship the Prize only to jurisdictions serviced by DHL's shipping services.

In no event will more than the stated number of prizes be awarded. 6.5 Undeliverable Prizes. Prize details not specifically stated in these rules will be determined at OKX’s sole discretion. OKX is not responsible for and will not replace any prize that is undeliverable or any lost, damaged, or stolen prize(s) or components of a prize. 7. Tax and Shipping Concerns OKX will ship the Prize only to jurisdictions serviced by DHL's shipping services.

In no event will more than the stated number of prizes be awarded. 6.5 Undeliverable Prizes. Prize details not specifically stated in these rules will be determined at OKX’s sole discretion. OKX is not responsible for and will not replace any prize that is undeliverable or any lost, damaged, or stolen prize(s) or components of a prize. 7. Tax and Shipping Concerns. OKX will ship the Prize only to jurisdictions serviced by DHL's shipping services.