DCORP 048/2018 May 15, 2018 Subject: Report on the overall operation for first quarter of the year 2018 ended March 31, 2018 and the decrease in the overall operation more than 20 percent Attention

projects of the government and state enterprises have slowed down and increased more competition in the market. The majority of the Company's revenue recognized in 2023 comes from government and state

results based on its audited consolidated financial statements which ended 31 December 2019 as follows: Management’s Discussion and Analysis The following Management's Discussion and Analysis should be read

1 No. EXE. 031-10-17 6 October 2017 Re: Report on Investment of the Subsidiary To: President The Stock Exchange of Thailand Reference is made to the resolution of the Board of Directors of Venture

refinance existing bank loan to reduce finance cost in the amount of Baht 4,000 Million on August 18,2017  As of the end of 2017, we had Baht 7,338.8 million of Net Interest-Bearing Debt. Our Net Interest

recognized additional revenue from the disbursement of COVID-19 screening services provided by the affiliated hospitals in accordance with the disease prevention measures organized by the National Health

increased more than 2 times, representing an increase of 120%. By customer location, our domestic sales revenue increased from THB 262.3 million from the three months period ended March 31, 2017 to THB 299.1

Stock Exchange of Thailand Enclosure 1. Information Memorandum on acquisition of all shares in Nam San 3A Power Sole Co., Ltd. and Nam San 3B Power Sole Co., Ltd of BCPG Public Company Limited to invest

another record quarter that makes 14 consecutive quarters of core EPS growth on a Last Twelve Month (LTM) basis.  Core EBITDA 2Q17 up 9% and LTM 2Q17 up 33%  Core EBIT (Operating Profit) up 14% in 2Q17

Telecom Public Company Limited (At the moment, it is the National Telecommunications Public Company Limited.), the project of selling computer network equipment for supporting Cloud for Critical Information