01/12/2023 01:27

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.)


Publication Related Matters & Registration Matters         esshotline@hkex.com.hk

Listing Related Matters                                                     esubmission@hkex.com.hk  


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.


Unauthorised access and use are prohibited, HKEX reserves the right to take actions against offenders.

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