Schedule of 2022 Annual General Meeting of Shareholders, Dividend Payment and Amendment of the Articles of Association

                Schedule of Shareholders' meeting

Subject                                  : Schedule of Annual General Meeting of
 Shareholders
Date of Board resolution                 : 24-Feb-2022
Shareholder's meeting date               : 22-Apr-2022
Beginning time of meeting (h:mm)         : 13 : 00
Record date for the right to attend the  : 16-Mar-2022
meeting
Ex-meeting date                          : 15-Mar-2022
Significant agenda item                  :
  - Cash dividend payment
  - To consider and approve the amendment of Articles of Association
Venue of the meeting                     : At Meeting Room 16th Floor, Software 
Park Building, 99/20 Moo 4, Chaengwattana Road., Klong Kluea, Pak Kret,
Nonthaburi 11120
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Dividend payment / Omitted dividend payment

Subject                                  : Cash dividend payment
Date of Board resolution                 : 24-Feb-2022
Type of dividend payment                 : Cash dividend payment
Record date for the right to receive     : 16-Mar-2022
dividends
Ex-dividend date                         : 15-Mar-2022
Payment for                              : Common shareholders
Cash dividend payment (baht per share)   : 0.05
Par value (baht)                         : 1.00
Payment date                             : 12-May-2022
Paid from                                :
    Operating period from 01-Jan-2021 to 31-Dec-2021

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