-Translated Version- No. ECF2 026/2019 May 15, 2019 Subject: Management Discussion and Analysis of the 1st quarter ended 31 March, 2019 To President The Stock Exchange of Thailand East Coast

: Management explanation and analysis for three-month period ended 30 June 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

14 August 2019 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

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

- Translation - Page 1 of 11 CBG 008/2018 21 February 2018 Subject Management discussions and analysis for the year ending 31 December 2017 To President The Stock Exchange of Thailand We, Carabao

Baht 83 million or (22%) from Baht 383 million in Q3/2018 to Baht 466 million in Q3/2019. The increase was derived from all business units: engineering service, management service, solar energy, and

Public Company Limited Management Discussion and Analysis Year Ending 31 December 2019 G J Steel Public Company Limited Page 11/14 The main raw materials (Pig iron, shredded scrap) the price movement of

and management of raw material (CPO) and biodiesel’s stocks by trying to maintain inventories turnover rate between 30 – 45 days, enough for the production and delivery in each month under quarterly and

with the supplier company, who is a business partner in procuring high quality and suitable raw materials. The transaction mentioned above is considered as disposal of assets in accordance with the

GJS บริษัท จี เจ สตีล จ ำกัด (มหำชน) G J Steel Public Company Limited Management Discussion and Analysis Quarter 3 Ending 30 September 2019 G J Steel Public Company Limited Page 1/13 Management