Listing Announcement (B, UB, OPG)

New Perpetual Contracts Launch Notice

Dear Users,

To further expand our perpetual contract offerings and enhance your trading experience, ChainBitX will officially launch the following USDT perpetual contracts on May 20, 2026, at 12:00 (UTC+8):

B (B USDT Perpetual Contract)

B (BUILDon) is a community-driven token on BNB Chain focused on Meme culture, DeFi, and Web3 ecosystem development.

UB (UB USDT Perpetual Contract)

UB (Unibase) is a decentralized AI Memory Layer project that provides long-term memory and collaboration capabilities for AI Agents in Web3.

OPG (OPG USDT Perpetual Contract)

OPG (OpenGradient) is a decentralized AI infrastructure network focused on transparent and verifiable on-chain AI computation.

USDT perpetual contracts allow traders to participate in the price movements of B, UB, and OPG with leverage, without holding the underlying assets.

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New Contract Details

Contract Name	Underlying Asset	Settlement Asset	Tick Size	Max Leverage	Funding Fee Frequency	Trading Hours
B USDT Perpetual Contract	B	USDT	0.0000001	25X	Every 8 Hours	24/7
UB USDT Perpetual Contract	UB	USDT	0.0000001	50X	Every 8 Hours	24/7
OPG USDT Perpetual Contract	OPG	USDT	0.0001	20X	Every 8 Hours	24/7

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Important Notes

• The funding fee rate cap and floor for these contracts are set at +2.00% / -2.00%, with settlement every 8 hours.

• ChainBitX may dynamically adjust contract parameters based on market conditions, including:

• Funding fee rates

• Leverage limits

• Margin requirements

Thank you for your continued support and trust!

ChainBitX Team May 20, 2026