ESS Operation Hours and Contact Us

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 1 + 852 2840 3460
Listing Related Matters 2  + 852 2840 3577
By Email:  
Publication Related Matters & Registration Matters    ESSHotline@hkex.com.hk
Listing Related Matters   esubmission@hkex.com.hk

1 Operational hours:
06:00 to 23:00 on Mondays to Fridays (business days only).
18:00 to 20:00 on any non-business day immediately preceding a business day.
(To assist us in improving our service to you, telephone calls may be recorded.)

2 Operational hours:
09:00 to 18:00 on Mondays to Fridays (business days only).

* Bad weather arrangements:
During the operational hours, these numbers will remain in service for 15 minutes after a Typhoon Signal No. 8 is hoisted or a black rainstorm warning is issued.

For the Publication Related Matters hotline only, these numbers will be in service two hours after a Typhoon Signal No. 8 is lowered or a black rainstorm warning is discontinued at or before 20:00 on business days or before 17:00 on non-business days.

Updated 10 Mar 2010