-Translation- No. ECF2 010/2019 February 27, 2019 Subject: Management Discussion and Analysis of the year ended December 31, 2018 To President The Stock Exchange of Thailand East Coast Furnitech

August 11,2010 May 11, 2017 Re : Clarification on percentage of change more than 20% in Q1/2017 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales The Company's revenue

Please enter search criteria Search Company WHA: WHA CORPORATION PUBLIC COMPANY LIMITED WHAUP: WHA UTILITIES AND POWER PUBLIC COMPANY LIMITED   Reset WHA CORPORATION PUBLIC COMPANY LIMITED Sustainability

Page 1 of 2 Ref. PDI/BK-BS-012/2018 23 rd February 2018 To: President The Stock Exchange of Thailand Re: Clarification on Company’s performance of the 4th Quarter and Full Year 2017 For the forth

** had purchased land for a power plant construction in a corrupt manner to seek unlawful gain. The SEC’s investigation revealed actions that could constitute offenses under the Securities and Exchange Act

Bangkok, June 20, 2011-The SEC urges shareholders of Demco Plc. (DEMCO) to carefully study DEMCO?s plan to acquire shares of a connected person - Aeolus Power Co., Ltd. (Aeolus) before exercising

Bangkok, June 20, 2011 - The SEC urges shareholders of Demco Plc. (DEMCO) to carefully study DEMCO?s plan to acquire shares of a connected person - Aeolus Power Co., Ltd. (Aeolus) before exercising

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CFR-A-20002 February 28, 2020 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for

Limited. The Company has already registered the changes to the Department of Business Development, Ministry of Commerce on April 17, 2019. In this regard, the Company still uses the same stock symbol “RATCH

PowerPoint Presentation MANAGEMENT DISCUSSION & ANALYSIS (MD&A) Q3/2018 GLOBAL POWER SYNERGY PUBLIC COMPANY LIMITED 0 THE INNOVATIVE POWER FLAGSHIP OF PTT GROUP Management Discussion & Analysis