Notification of the Resolutions of the Board of Directors' Meeting No. 4/2026 regarding the EGM No. 1/2026 and the Acquisition of Ordinary Shares in Better West Care Co., Ltd., constituting a Significant Transaction and Connected Transaction

Schedule of Shareholders' meeting Subject : Schedule of Extra-General Meeting of Shareholders Date of Board resolution : 26-Aug-2026 Shareholder's meeting date : 06-Oct-2026 Beginning time of meeting (hh:mm) : 14 : 00 Record date for the right to attend the : 10-Sep-2026 meeting Ex-meeting date : 09-Sep-2026 Significant agenda item : - Connected transaction Type of meeting : Physical meeting Venue of the meeting : The meeting room of Earth Tech Environment Public Company Limited Agenda Item : 1 Agenda Detail : To consider and approve the entry into a significant transaction of the asset acquisition type and a connected transaction of the Company in respect of the purchase of ordinary shares of Better West Care Company Limited Type : To Consider and approve Board's Resolution : The Audit Committee and the Board of Directors (excluding the directors who have a conflict of interest) are of the opinion that the transaction is reasonable and in the best interests of the Company and its shareholders. Therefore, it is deemed appropriate to propose the transaction to the Extraordinary General Meeting of Shareholders for consideration and approval of the Company's entry into a material transaction regarding the acquisition of assets and a connected transaction in relation to the acquisition of ordinary shares in Better West Care Co., Ltd. Agenda Item : 2 Agenda Detail : To consider other matters (if any) Type : To Consider and approve Board's Resolution : For shareholders to ask (if any) and/or the Board of Directors to answer questions or clarify shareholders. ______________________________________________________________________ Connected transaction Purchaser: Earth Tech Environment Public Company Limited Seller: Better World Green Public Company Limited Relationship: BWG is a major shareholder of ETC. As of August 26, 2026, BWG holds 51.07% of ETC's total voting shares, comprising 43.93% held directly and 7.14% held indirectly through Akkhie Prakan Public Company Limited. In addition, the two companies have two common directors, namely Mr. Suwat Luengviriya and Mr. Suthat Boonyaudomsart, who serve as directors of both ETC and BWG. ______________________________________________________________________ Acquisition or disposition of assets The Company will invest in BWC, which operates the business of hazardous and non-hazardous waste treatment and wastewater treatment, by purchasing 2,998,800 shares, or 99.96 percent of the total number of paid-up shares of BWC, from BWG, with payment of consideration in cash in the amount of THB 330,000,000.00, representing a value of THB 110.04 per share ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. If you would like to see the full details of this information, please click view "full details" in attached file.