Analysis of the Company’s Performance for the Six Months Ended June 30, 2018 Baht Million 6M/60 6M/61 +/(-) +/(-) % Total Revenue 537.24 698.02 160.78 29.93% EBIT 153.50 211.15 57.65 37.56% Financial Cost

No. WICE 021/2020 February 28,2020 Subject Report the resolution of the Board of Directors To : President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Proposed

- Translation - Ref: IR61/003 22 February 2018 Subject: Acquisition of Shares in of Phoenix Insurance (Thailand) Public Company Limited (Edited) Attention: President The Stock Exchange of Thailand

Page 1 RJH – SET 12/2018 24 December 2018 Subject : Notification of disposal of asset transaction To : The President The Stock Exchange of Thailand Attachment : Information memorandum on the asset

-Translation- 11 August 2017 Subject : The establishment of Vanachai Wood Smith Company Limited To : President The Stock Exchange of Thailand According to the meeting of board committee of Vanachai

Discussion and Analysis of the Company’s Performance for the six-month period ended June 30, 2019 Baht Million 2018 2019 +/(-) +/(-) % Total revenues 698.03 870.11 172.08 24.65% EBIT 211.15 233.72 22.57 10.69

-17.06% 9.80% 11.40% Administrative expenses 125.54 131.75 -6.21 -4.71% 12.16% 12.30% Gain on exchange rate 0.00 -0.72 0.72 N.A. 0.00% -0.07% Financial costs 84.01 74.72 9.29 12.43% 8.14% 6.98% Total cost

Ref: UWC 025/2562 November 13, 2019 Subject: Management Discussion and Analysis 3rd Quarter ended September 30, 2019 To: President The Stock Exchange of Thailand Ua Withya Public Company Limited

, the total liabilities were 20,819 million Baht; increased by 472 million Baht, or 2% from 1Q 2018. The increasing of total liabilities comprises of the increase of liabilities from Bill of Exchange of

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of profit and loss statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the