Dear OSL HK Users,

To improve user experience, OSL HK will support the upcoming BNB Smart Chain (BEP20) network upgrade and hard fork. The network upgrade and hard fork will take place approximately at 2026-08-25 10:30 (Hong Kong time ("HKT")). To ensure the safety of user assets and a smooth transition during the upgrade, OSL HK will temporarily suspend the deposit and withdrawal services on the BNB Smart Chain (BEP20) network at 2026-08-25 09:30 (HKT).

Please take note of the following details and schedule:

• Suspension of Deposits and Withdrawals: Deposit and withdrawal services on the BNB Smart Chain (BEP20) network will be suspended at 2026-08-25 09:30 (HKT).

• Trading Unaffected: Trading services on the BNB Smart Chain (BEP20) network will remain fully operational during the network upgrade.

• No Action Required: OSL HK will handle the technical requirements involved for all users. Your assets remain secured during this period.

• Resumption of Services: Deposits and withdrawals services on the BNB Smart Chain (BEP20) network will be reopened once the upgraded network is deemed stable. No further announcement will be made.

Please feel free to contact us via customer support at [email protected].

Thank you for your support!

OSL HK Team

Disclaimer

This announcement is provided by OSL Digital Securities Limited (“OSLDS”) solely for informational purposes and does not constitute, nor shall it be construed as, an offer, solicitation, or recommendation to purchase, sell, or suBNB Smart Chain (BEP20)ribe to any securities, financial instruments, products, or services. This content does not constitute legal, tax, accounting, or financial advice, and recipients are advised to obtain independent professional advice prior to making any decisions or taking any action.

OSLDS makes no representations or warranties, express or implied, as to the accuracy, completeness, or reliability of the information contained herein and disclaims all liability for any losses or damages arising from its use. Where third-party data or information is referenced, OSLDS makes no representation or endorsement as to the accuracy, completeness, or reliability of such data. All opinions, estimates, and information are as of the date hereof and may be subject to change without notice.

For the avoidance of doubt, this announcement is strictly intended for Professional Investors (as defined under the Securities and Futures Ordinance (Cap. 571) and its subsidiary legislation) and is not intended for distribution to, or use by, any person in any jurisdiction where such distribution or use would be contrary to applicable laws or regulations. It is the responsibility of any person who accesses this announcement to observe all applicable laws and regulations of their relevant jurisdiction. Virtual assets involve significant risks. Please ensure you fully understand these risks before engaging in any trading activities. OSLDS shall not be liable for any losses arising from the use of or reliance on this announcement.