T.K.S. TECHNOLOGIES 11 August 2020 Re: Management Discussion and Analysis for Quarter 2/2020 To: President The Stock Exchange of Thailand T.K.S. Technologies Public Company Limited (“TKS”) and its

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS016/2017 August 11, 2017 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

Energy Public Company Limited (“TSE”) of 181.75 million shares, which represents 10.01% of issued and paid- up shares of TSE at the total value of 925.11 Million Baht or 5.09 Baht per share to Miss

Microsoft Word - ACE MDA Q420 - ENG Final 1 No. ACE-ACC-1/2021 25 February 2021 Subject Management Discussion and Analysis for the year ended 31 December 2020 To President The Stock Exchange of

(Translation) — 1 — (Translation) No. 10000000/ 152 /61 20 June 2018 Subject: Resolutions passed by the Board of Directors Meeting regarding the share acquisition, the tender offer for the entire

-Translation- Ref. IR 62/005 March 13, 2019 Subject: Disclosure of the information regarding related party transaction (Additional Information) To : President, The Stock Exchange of Thailand T.K.S

% -1,010 -19% -1,423 -46% 41% Finance costs -165 -7% -343 -37% 108% -372 -7% -601 -19% 62% Net gains on exchange rate 171 7% -1 0% -101% 262 5% -22 -1% -109% Share of loss from investment in joint ventures

ordinary shares on the Stock Exchange Of Thailand (the “SET”) (“Spin-Off Plan”) will take place after 1) EP has obtained the approval for offering newly issued share from the Office of the Securities and

(Additional) To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Asset Acquisition (Addendum 1) regarding acquisition of shares of S-TREK (Thailand) Co., Ltd. in the

. Securities Code: TKT 2. Date of action resulting in reporting obligation: 24 November 2020 2.1 () Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai