PTT public Company Limited Q-o-Q Quarter-on-Quarter SG&A Selling, general & administrative expense WVO War Veteran Organization Y-o-Y Year on year OUR PROJECTS ABPIF Amata B.Grimm Power Plant

Provincial Electricity Authority (Thailand) PPA Power purchase agreement PTT PTT public Company Limited Q-o-Q Quarter-on-Quarter SG&A Selling, general & administrative expense WVO War Veteran Organization Y-o

Authority (Thailand) PPA Power purchase agreement PTT PTT public Company Limited Q-o-Q Quarter-on-Quarter SG&A Selling, general & administrative expense WVO War Veteran Organization Y-o-Y Year on year OUR

voting rights 1. PTT Global Chemical Public Company Limited* 340,565,223 22.73 2. PTT Public Company Limited* 338,266,861 22.58 3. Thaioil Power Co., Ltd.* 311,425,457 20.79 4. Thai Oil Public Company

maintenance shutdown in the last quarter. Consequently, the gross profit in Q2/2017 increased by Baht 158 million or 14% from Q1/2017. When compare Q2/2017 with Q2/2016’s net profit, Q2/2017’s net profit

Percentage of Issued shares and voting rights 1. PTT Global Chemical Public Company Limited* 340,565,223 22.73 2. PTT Public Company Limited* 338,266,861 22.58 3. Thaioil Power Co., Ltd.* 311,425,457 20.79 4

Derivative Warrants | PTT13C2004A | DERIVATIVE CALL WARRANTS ON PTT PUBLIC COMPANY LIMITED ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN APRIL 2020 # A | Stock in SET50

Derivative Warrants | PTT28C2008B | DERIVATIVE CALL WARRANTS ON PTT PUBLIC COMPANY LIMITED ISSUED BY MACQUARIE SECURITIES (THAILAND) LIMITED LAST TRADING IN AUGUST 2020 # B | Stock in SET50

Derivative Warrants | PTT28C1601A | DERIVATIVE CALL WARRANTS ON PTT PUBLIC COMPANY LIMITED ISSUED BY MACQUARIE SECURITIES (THAILAND) LIMITED LAST TRADING IN JANUARY 2016 # A | Stock in SET50

Derivative Warrants | PTT13P1601A | DERIVATIVE PUT WARRANTS ON PTT PUBLIC COMPANY LIMITED ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN JANUARY 2016 # A | Stock in SET50