Derivative Warrants | PTTEP19C2307A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY YUANTA SECURITIES (THAILAND) COMPANY LIMITED LAST TRADING IN JULY

sales and services to the international sales and services in 2017 is 81.0 percent to 9.6 percent respectively. -2- Revenues Classified by Distribution Channels 3 Months in 2018 3 Months in 2017 Variation

Derivative Warrants | PTTE42C1903A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C2101T | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42P2101T | DERIVATIVE PUT WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C2106G | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42P2008A | DERIVATIVE PUT WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C1803A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42P1803A | DERIVATIVE PUT WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST

Derivative Warrants | PTTE42C1910A | DERIVATIVE CALL WARRANTS ON PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMITED ISSUED BY MAYBANK KIM ENG SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST