1 / 2 IR.021/2019 13 November 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

work provision and compensation for loss of production cost which decreased 10.75% comparing to the year 2017 of Baht 96.67 million. DEMCO Public Company Limited Details of the costs involving to the

nearly the same, there is no significant change. Most of them are revenues from interests and revenues from warranty of work. Cost of Construction The company and its subsidiaries’ cost of construction in

Management Discussion and Analysis for the Year 2017 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the year 2017 compared to

. Inventories increased by 181.2 MB, representing a decrease of 67.4% due in Q1-2016 the company obtain new projects which were is still work in progress and not yet completed for delivery. Other current assets

of Thailand Enclosure : 1. Financial Statements for the first quarter ended March 31,2020 2. Management Discussion and Analysis Nawarat Patanakarn Public Company Limited would like to submit Reviewed

emergency case · There must have a detail of device that using in emergency case o the system’s work Peopose to Modify to “specification” IT Club Approve with the comment of the company. · It should

system’s work Peopose to Modify to “specification” IT Club Approve with the comment of the company. o It should communicate emergency plan to concerned person acknowleged as necessary and preventing

business plan, The company will continues to focus on solving production problems follows the below details - Recruiting, adjusting and developing personnel to be ready at all levels. - Prepare manual work

Internal Control Sufficiency Evaluation Form Concepts and Objectives Good internal control is essential for a listed company or a public company as it can help preventing, managing, mitigating risks