26/09/2022 02:16

Internet Explorer (IE) 11 – End of Support on 15 June 2022

e-Submission System (ESS) users are advised to note that IE 11 is no longer supported from 15 June 2022. ESS users who are using IE 11 must switch to one of the recommended browsers i.e. Edge, Chrome and Safari.  


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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