., and Schedule for the EGM of Shareholders No. 1/2019 (Revised3) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

May 25, 2017 Subject: Notification on the Acquisition of Assets of AAPICO Hitech Public Company Limited To: The President The Stock Exchange of Thailand Enclosure: Information Memorandum Concerning the

Stock Exchange of Thailand AAPICO Hitech Public Company Limited (“the Company”) would like to explain the consolidated financial statements of the Company for the 2nd quarter of fiscal year 2024 ended as

additional disclosure in the Annual Registration Statement. For example, the Company plans to gain a 20-percent market share in the next three years or to develop production technology to reduce production

. Securities Code: TKT 2. Date of action resulting in reporting obligation: 29 October 2020 2.1 () Acquisition ( ) Disposition ( ) Through the Stock Exchange of Thailand via a securities company: Thai

of natural gas corresponding to the crude oil price in the world market, the new accounting standard (Thai Financial Reporting Standard) regarding the financial instruments (TFRS 9) and the lease

per share in respect of each class of shares in both the currency of the financial statements and the Thai Baht, including the formula used for any adjustments to dividends declared and giving

1 Ref. No. IVL 007/08/2017 9 Aug 2017 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Reviewed Financial Statements and the Management Discussion and Analysis of

, 2020, the market price was continuously decreased which led to higher cost of by-products. Therefore, the Company has realized its stock loss (NRV) of by- product inventories to 1.00 million Baht. 2

Thai economy in the third quarter of 2018 had a positive trend in line with the expansion of world economy. The continuous growth from export sector and the implementation of advanced technology in