Sign posted

Subject                                  : Suspend (SP) sign posted due to last 
exercise
Security Symbol
  - Warrant of ALT TELECOM PUBLIC COMPANY LIMITED No. 1 (ALT-W1)
Sign posted                              : SP
Reason                                   :
Last exercise of warrant
Book closing date                        : From 27-Nov-2020 to 18-Dec-2020
Last exercise date                       : 18-Dec-2020
Date of post "SP" sign                   : From 25-Nov-2020 to 18-Dec-2020
Notification period for the exercise     : From 03-Dec-2020 to 17-Dec-2020
Delisting date                           : 19-Dec-2020
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