Notification the exercise of securities/ Notification the conversion of 
securities

Subject                                  : Notification the exercise of 
securities
Date announced                           : 27-Feb-2019
Name of securities                       : ALT-W1
Exercise date                            : 15-Mar-2019
The notification period for the exercise : From 06-Mar-2019 to 14-Mar-2019
 of the securities
Exercise price (baht per share)          : 3
Exercise ratio (Warrants : common        : 1 : 1
shares)
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