Customer Notification from JMC Capital HK Limited:

Service Provider Cybersecurity Incident

Dear Valued Investors,

We are writing on behalf of JMC Capital HK Limited to inform you of an important update. On August 11, 2025, one of our service providers, Linedata, experienced a cybersecurity incident that affected certain systems, resulting in disruptions to the generation of risk management reports. We sincerely apologize for any inconvenience this may cause and aim to provide clarity on the situation and our response through this notification.

Incident Details

• Date of Incident: August 11, 2025
• Scope of Impact: Certain data within Linedata’s asset management business line was maliciously encrypted, affecting the generation of risk management reports.
• Impact on Our Services: As we rely on Linedata for some risk management reporting services, the generation of these reports may currently experience delays or interruptions. Our internal systems and other services remain unaffected.

Current Actions

To address this incident, JMC Capital HK Limited is working closely with Linedata and has taken the following steps:

1. Incident Monitoring: We are actively collaborating with Linedata to monitor progress on their system recovery and ensure timely resolution.
2. Temporary Solutions: Our technical team has implemented interim measures to minimize disruption to your account.
3. Enhanced Customer Support: We have increased staffing in our customer service team to provide immediate assistance and address any concerns.
4. Coordination with Linedata: Linedata has confirmed they are working with leading cybersecurity experts to investigate the incident and restore systems, with an expectation to progressively resume report generation within the next few days.

Our Commitment to You

• Service Continuity: We are committed to ensuring your core operations remain supported and are providing other assistance as needed.
• Data Security: Protecting your data is our top priority. We have confirmed that our internal systems remain secure and unaffected, and we will continue to oversee Linedata’s data recovery efforts.

Next Steps

We understand the importance of risk management reports. During this interim period, you can:

• Check our official website (https://jmccapital.com.hk/https://www.jmccapitalgroup.com/) for the latest updates.

Contact Information

Should you have any questions or require assistance, please reach out to our customer service team:

• Email: cs@jmccapital.com.hk
• Phone: +852-6888-8688
• Business Hours: Monday to Friday, 9:00 AM to 6:00 PM (HKT)

Apology and Gratitude

We deeply regret any inconvenience caused by this incident and thank you for your understanding and support. JMC Capital HK Limited remains committed to working closely with Linedata and other partners to restore services promptly and uphold our commitment to delivering the highest standard of service to you.

Sincerely,
JMC Capital HK Limited
August 19, 2025