year ended 31st December 2017 are as follows: Unit: million baht Detail for this year ended December 2017 2016 diff % Total revenues 1,995 2,191 (236) -11% Sale revenues 1,578 1,821 (243) -13% Service

: Summary of operating results for Q1/2019, Ended of March 31, 2019 Unit: Million Baht Power Generation Others Total Change Increase (Decrease) Quarter 1 Quarter 1 Quarter 1 Quarter 1 2019 2018 2019 2018 2019

Microsoft Word - MD&A Q1 2019_EN (Final).docx OHTL Public Company Limited and its subsidiaries Management Discussion and Analysis for the first quarter ended 31 March 2019 (Unit: Thousand Baht) 2019

and its subsidiaries had the operation results for the three-month period ended March 31, 2019 with the following details: unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from Sales

: Thailand Automotive Industry Quarter 1 Change 2019 2018 Unit % Change Production 561,487 539,690 21,797 +4.0% Domestic 263,549 237,093 26,456 +11.2% Export 299,841 295,230 4,611 +1.6% Profit & Loss Analysis

Quarter performance Unit: Million Baht 2019 2018 Sales Revenue 1,723.97 1,863.61 Cost of Sales 1,616.25 1,797.16 Gross Margin 107.72 66.45 Profit (loss) on exchange rates 31.98 72.27 Other Incomes 9.16

Company Limited and its subsidiaries for the Three-month period and Nine-month period ended 30th September 2018 are as follows: Unit: million baht Detail for 3-month period ended September for 9-month

OHTL Public Company Limited and its subsidiaries Management Discussion and Analysis for the third quarter ended 30 September 2018 (Unit: Thousand Baht) Quarter 3 2018 Quarter 3 2017 Increased

Limited and its subsidiaries for the Three-month period and Nine-month period ended 30th September 2019 are as follows: Unit: million baht Detail for 3-month period ended September for 9-month period ended

ventures (5.9) (9.5) (3.6) (37.9) Total cost and expenses (349.7) (443.9) (94.2) (21.2) Net income attributable to owners of the company (123.6) (92.1) 31.50 34.20 (Unit : Million Baht) Consolidated