13/11/2026 16:25
Due to an ongoing global Microsoft outage, HKEX's email services are currently impacted. All market operations are continuing as normal. HKEX's teams are closely monitoring the situation, and we will provide further information as updates are available.
Issuers are advised to contact HKEX directly by phone, should you have any urgent request, such as trading halt, suspension or resumption.
For enquiries relating to ESS, please contact the ESS Hotline at (852) 2840 3460.
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ESS Operation Hours
Monday to Friday (business days only) 06:00 - 23:00
Non-business day immediately preceding a business day 18:00 - 20:00
Contact Us
ESS Hotline Numbers:
Publication Related Matters & Registration Matters: +852 2840 3460
(Operated during ESS Operation Hours.)
Listing Related Matters: +852 2840 3577
(Operated from 09:00 to 18:00 on Mondays to Fridays, business days only.)
Email:
Publication Related Matters & Registration Matters esshotline@hkex.com.hk
Listing Related Matters esubmission@hkex.com.hk
Unauthorised access and use are prohibited, HKEX reserves the right to take actions against offenders.