agreements and dividend payment during the period. 1 GLOBAL POWER SYNERGY PLC. Q2/2017 Management Discussion & Analysis (MD&A) Q2/2017 Financial and Operating Highlights Unit: THB million * Exclude

Ft rate. Plus, GPSC recognized income from the contractor at IRPC-CP Phase 1 in Q3/2017. Q3/2017 Financial and Operating Highlights Executive Summary Executive Summary 1 Operating highlight in Q3/2017

%) 72% 2,700 3,175 18% Gross profit margin* (%) 24% 28% 27% (1%) 3% 22% 24% 2% Net profit margin (%) 10% 20% 16% (4%) 6% 14% 16% 2% Q4/2017 and 2017 Financial and Operating Highlights * Exclude costs of

increase in FT rate and the increase in electricity and steam sales after maintenance shutdown of customers of Rayong Central Utility Plants in Q2/2017. Q2/2018 Financial and Operating Highlights * ไม่รวม

increase in Ft rate. Q3/2018 Financial and Operating Highlights * ไม่รวมต้นทุนค่าเสื่อมราคาและค่าตัดจ าหน่าย Operating highlight in Q3/2018 Q3/17 Q2/18 Q3/18 Change +/(-) 9M/17 9M/18 Change +/(-) (THB

PowerPoint Presentation Management Discussion and Analysis MD&A Q2/2020 THE INNOVATIVE POWER FLAGSHIP OF PTT GROUP 1 Q2/2020 and Recent Highlights In the second quarter of 2020, economic factors that

issuer’s business and information about the nature of the issuer’s operations and its principal activities, including the main categories of its products and/or services provided, and highlights factors that

main categories of its products and/or services provided, and highlights factors that could have an impact on the market price of the debt securities. 2. Describe the nature of the issuer’s operations

. Executive Summary Operating Highlights in Q1/2019 1 Q1/18 Q4/18 Q1/19 Changes +/(-) (Unit: Million Baht) QoQ YoY Operating revenue 5,743 5,863 9,067 55% 58% Gross Profit 1,648 1,265 2,493 97% 51% EBITDA 1,483

its products and/or services provided, and highlights factors that could have an impact on the market price of the debt securities. 2. A description of the nature of the issuer’s operations and its