1 (Translation) MD. 045/2019 February 27, 2019 Re: Management Discussion and Analysis For the Year Ended December 31, 2018 To: President The Stock Exchange of Thailand Management Discussion and

1 (Translation) MD. 045/2019 27 February 27, 2019 Re: Management Discussion and Analysis For the Year Ended December 31, 2018 To: President The Stock Exchange of Thailand Management Discussion and

1 (Translation) MD. 083/2019 May 8, 2019 Re: Management Discussion and Analysis For the Operating Results ended March 31, 2019 To: President The Stock Exchange of Thailand Management Discussion and

MDA Q1_2018 (Eng.) May 7, 2018 Subject : Interim Management Discussion and Analysis of Q1/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements of

MD&A Q4_2018 (Eng.) February 21, 2019 Subject : Yearly Management Discussion and Analysis of 2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MDA Q2_2018 (Eng.) August 7, 2018 Subject : Interim Management Discussion and Analysis of Q2/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MD&A Q4_2019 (Eng ) February 19, 2020 Subject : Yearly Management Discussion and Analysis of 2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MD&A Q2_2020 (Eng ) July 31, 2020 Subject : Interim Management Discussion and Analysis of Q2/2020 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

working capital management to reduce the cost of fund. In Q3/2020 GC had a current ratio at 1.28 times compared to 1.51 times of ending 2019, which was due to the rise in both short-term loan from financial

MDA Q3_2019 (Eng ) November 8, 2019 Subject : Interim Management Discussion and Analysis of Q3/2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements