Phase one of the closing auction session (“CAS”) in the securities market will be implemented on 25 July 2016.

Listed issuers should note that to align with the revised closing time for trading equity index futures and options upon the implementation of CAS, with effect from 25 July 2016, the publication windows for announcements and notices (other than those specified to be excluded in Main Board Listing Rule 2.07C(4)(a) or GEM Listing Rule 16.18(3)(a)) will be changed as shown in the table below:

New publication windows with effect from
25 July 2016

Normal business day:

6:00 a.m. to 8:30 a.m. (no change)

12:00 noon to 12:30 p.m. (no change)

4:30 p.m. to 11:00 p.m. (currently 4:15 p.m. to 11:00 p.m.)

On the eves of Christmas, New Year and Lunar New Year when there is no afternoon trading session:

6:00 a.m. to 8:30 a.m. (no change)
12:30 p.m. to 11:00 p.m. (currently 12:00 noon to 11:00 p.m.)

Non-business day preceding a business day:

6:00 p.m. to 8:00 p.m. (no change)