[Platform Upgrade] Trading Fee Adjustments and Risk Control and Wallet System Improvements

Dear Users,

To continue advancing compliance initiatives and improve the trading experience and service efficiency, SUNX will implement trading fee adjustments starting October 1, 2025. We are also providing an update on upgrades to automated risk control and wallet systems. Details are as follows.

1. Trading Fee Adjustments

1. Contract Trading

This adjustment aims to encourage liquidity-providing orders and improve order book depth and market liquidity.

Maker and Taker classifications depend on the actual matching method. If a limit order immediately matches an existing order in the order book, that portion of the trade may also be classified as Taker.

2. Quick Contracts Trading

The fee rate per side will be standardized at 0.0015.

3. Spot Trading

Spot trading will remain fee-free for both Maker and Taker, with the limited-time fee waiver continuing through December 31, 2025.

2. AI Automated Risk Control System Upgrade

SUNX has launched an AI automated risk control system that identifies account and trading risks by combining user trading behavior analysis with four years of accumulated data.

The upgrade aims to:

1. Reduce risk control inaccuracies caused by human judgment;
2. Reduce incorrect restrictions on users conducting normal activities;
3. Improve risk identification efficiency and fairness in the trading environment.

If you have questions about account restrictions or risk control actions, please contact SUNX’s official online customer support and cooperate with verification.

3. Wallet System Architecture Improvements

SUNX has completed a wallet system architecture upgrade focused on node performance, deposit and withdrawal processing efficiency, and operational stability.

These improvements aim to reduce deposit crediting and withdrawal submission to the blockchain to 3–5 minutes. Actual processing times may still be affected by network congestion, block confirmations, and necessary reviews. Please refer to order statuses and on-chain records.

The platform will continue improving wallet services to reduce the impact of maintenance and service fluctuations on user operations.

4. Effective Date and User Reminders

Effective Date of the Adjustments: October 1, 2025

1. Confirm applicable fees: Before trading, check the fee standards for the relevant product and include these fees in your trading cost assessment.
2. Monitor settlement records: Some settlement issues may occur during the fee transition. Please check trade records, fees, and changes in account funds promptly.
3. Verify deposit and withdrawal statuses: After submitting a deposit or withdrawal, monitor its actual progress and avoid duplicate operations before confirming the result.
4. Contact support promptly: If you have questions about fees, settlement, risk control, or deposit and withdrawal processing, please seek assistance through SUNX’s official online customer support.

SUNX will continue improving its products, technology, and services, upholding the principles of “Compliance, Security, and Users First” to enhance the user experience.

Thank you for your support and trust in SUNX.

SUNX Global Operations Team
September 29, 2025