Derivative Warrants | PTTE42P1602A | DERIVATIVE PUT WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C1506A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C1411A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C1608A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42P1608A | DERIVATIVE PUT WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C1706A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42P1706A | DERIVATIVE PUT WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

. Adaptation of Product Design to the New Normal in Post-Pandemic Adoption of IFRS 16 “ Leases” starting 1 January 2020 The adoption of accounting standard (IFRS 16: Leases) has been effective as from January

production. Moreover, our main customer also lowered their production plan for the Combined Harvester which inline to a decline in sales of our screw flight and also lessen production of tractor in small model

contribution to the good performance of the Company and its subsidiaries. In terms of net profit, the gross margin was maintained at the good level of the metal product segment, especially in the exhaust