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

- Translation - 11 August 2017 Subject: Management’s Discussion and Analysis for the Operating Results of the Second Quarter of 2017 Attention: The President of the Stock Exchange of Thailand Exotic

จดหมายชี้แจงปี60e February 22, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2017 Summary of operating result between 2017

EBITDA 50 41 Net Profit (Loss) (433) (311) H R C HRC Sales (k tons) 172,117 418,365 HRC Production Volume (k tons) 178,506 417,825 HRC Average Selling Price (THB./ton) 17,915 20,109 HRC Cash Margin (THB

net profit margin 2) higher depreciation resulted from additional investments in plant, machinery, and office renovations to improve production efficiency and reduce production cost, in order to prepare

invest in ordinary share of HECH 46.00 percent of total paid-up capital of GS (Calculate based on total investment value) that operate production and distribution of water supply to some part of Phuket and

value of THB 10 per share in PCCA, will enable the Company to expand the scope of its service business to cosmetic production, minimize the reliance on its current revenues from dietary supplement