1 Ref: AC.034/2019 4 November 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis of significant changes for the 3-month period ended March 31

budget for 28 consecutive projects over the last 7 years. PPAs signing for two large scale Vietnam solar projects with total capacity of 677 MW. In September 5, 2018, Dau Tieng Ninh Energy Joint Stock

)  Accounting Type Consolidate Consolidate Consolidate Consolidate Operating Cash Flow -20,142.69 33,977.00 325.36 16,383.96 Investing Cash Flow 6,314.89 -1,329.29 -5,360.11 -5,699.72 Financing Cash Flow

1/2 (Translation) Ref. HPIR 004/2018 February 28, 2018 Subject : Management Discussion and Analysis for the year ended December 31, 2017 To : The President The Stock Exchange of Thailand Duplicate

10th May, 2018 Subject: Management Discussion and Analysis (MD&A) of the financial as at and for three months’ period ending 31st March, 2018 Attention: President The Stock Exchange of Thailand P.C.S

the Year as at 31 December 2017 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management discussion and

the Year as at 31 December 2017 (revised) To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management

Ref. No. 1902-009EN February 21, 2019 Subject: Operating Result Clarification for the year 2018 (Ending December 31, 2018) To: Director and Manager of the Stock Exchange of Thailand Ubis (Asia

Public Company Limited 1 | P a g e November 13, 2019 Subject: Management discussion and analysis of the operating results for the quarter 3/2019 Attn: President The Stock Exchange of Thailand Please find