PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result for the Fiscal Year Ended December 31, 2017 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 3 Year 2017 Ended September 30, 2017 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 1 Year 2018 Ended March 31, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 2 Year 2018 Ended June 30, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

PowerPoint Presentation THE INNOVATIVE POWER FLAGSHIP OF PTT GROUP MANAGEMENT DISCUSSION & ANALYSIS (MD&A) Q1/2018 GLOBAL POWER SYNERGY PUBLIC COMPANY LIMITED Management Discussion & Analysis

PowerPoint Presentation SYNERGIZING POWER & UTILITIES FOR THE GLOBAL FUTURE MANAGEMENT DISCUSSION & ANALYSIS (MD&A) Q3/2017 GLOBAL POWER SYNERGY PUBLIC COMPANY LIMITED Management Discussion

PowerPoint Presentation MANAGEMENT DISCUSSION & ANALYSIS (MD&A) Q4/2017 and FY2017 GLOBAL POWER SYNERGY PUBLIC COMPANY LIMITED THE INNOVATIVE POWER FLAGSHIP OF PTT GROUP Management Discussion

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result for the Fiscal Year Ended December 31, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion

PowerPoint Presentation MANAGEMENT DISCUSSION & ANALYSIS THE INNOVATIVE POWER FLAGSHIP OF PTT GROUP MD&A Q1/2019 PAGE 1 MANAGEMENT DISCUSSION & ANALYSIS (MD&A) Q1 2019 For Q1/2019, the EBITDA of the

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 1 Year 2019 Ended March 31, 2019 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s Discussion