[Important Notice] Announcement on MGBX's Updated Handling Plan for the SNDK (SanDisk) Stock Split and Spot & Perpetual Futures Trading Arrangements

I. Key Adjustment Details

• SNDK Spot: Asset adjustments will be made according to a 1:8 (1-for-8) split ratio . For every 1 SNDK held by a user, the platform will additionally airdrop 7 SNDK, resulting in a total holding of 8 SNDK after adjustment.
• SNDKUSDT Perpetual Futures: All open futures positions will undergo mandatory settlement. Upon completion of settlement, the futures will be temporarily delisted and relisted in the evening.

II. Specific Schedule (Singapore Time, SGT)

III. Processing Rules

1. Spot
   • The platform will base asset adjustments on users' actual SNDK holdings at the time of trading suspension, applying a 1:8 (1-for-8) split ratio .
   • The platform will airdrop the corresponding number of SNDK to users. Example: If a user originally holds 1 SNDK, the platform will additionally airdrop 7 SNDK, resulting in a total holding of 8 SNDK after adjustment.
   • The relevant spot trading services will be temporarily delisted and restored upon relisting at 22:35 on November 20, 2026.
2. SNDKUSDT Perpetual Futures
   • Starting November 19, 2026, SNDKUSDT perpetual futures position opening will be suspended; users may only close positions.
   • Starting 09:00 on November 20, 2026, the mandatory settlement phase begins, with all open positions settled at the then-latest mark price.
   • Upon completion of mandatory settlement, SNDKUSDT perpetual futures will be temporarily delisted, and related functions—including position opening, position closing, order operations (creation, cancellation, and modification), funding rate calculation, mark price and index price updates, and forced liquidation—will be suspended.
   • Futures-related trading bots and positions will be terminated and settled accordingly. Users employing such strategies are advised to make arrangements in advance.
3. Relisting
   • Approximately 35 minutes after the market opens on the evening of November 20, 2026 (at 22:35), the platform will relist SNDK-related trading pairs and commence free trading at the latest market price.

IV. Risk Disclosures

1. The handling approaches for this stock split differ by trading business: SNDK spot adopts a 1:8 split airdrop approach, while SNDKUSDT perpetual futures adopts mandatory settlement . Users are advised to note the distinction.
2. Users holding SNDKUSDT perpetual futures positions are advised to monitor their positions in advance and arrange position closures reasonably to avoid unexpected risks arising from system mandatory settlement.
3. The mandatory settlement price for perpetual futures shall be based on the system's latest mark price. Upon completion of settlement, the relevant futures positions shall be closed.
4. Upon completion of the SNDK spot stock split, the number of assets held by users will increase accordingly; however, the split itself does not represent an increase in total asset value, and the theoretical price will be adjusted proportionally to the split ratio.
5. After the relevant trading pairs are relisted, prices may fluctuate due to market conditions and changes in liquidity. Users are advised to manage positions reasonably, use leverage prudently, and maintain proper risk management.