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

(Translation) NEP-AC 001/2563 26 February 2020 Subject: Management Discussion and Analysis for year ended December 31, 2019 To : The President The Stock Exchange of Thailand Operating Result NEP

MDA Q2_2017 (Eng.) August 10, 2017 Subject : Interim Management Discussion and Analysis of Q2/2017 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MDA Q3_2017 (Eng.) November 8, 2017 Subject : Interim Management Discussion and Analysis of Q3/2017 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MD&A Q1_2019 (Eng ) May 2, 2019 Subject : Interim Management Discussion and Analysis of Q1/2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements of

MDA Q2_2019 (Eng ) August 9, 2019 Subject : Interim Management Discussion and Analysis of Q2/2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

Management Discussion and Analysis, Q2/2019 Page1/4 Ref. IR62/008 9 August 2019 Subject: Management Discussion and Analysis, 2nd Quarter Ending 30 June 2019 Attention: President Stock Exchange of

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

Management Discussion and Analysis, Q2/2018 Page1/4 Ref. IR61/12 10 August 2018 Subject: Management Discussion and Analysis, 2nd Quarter Ending 30 June 2018 To : President Stock Exchange of Thailand

MDA Q3_2018 (Eng.) November 7, 2018 Subject : Interim Management Discussion and Analysis of Q3/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements