additional types of foreign securities that securities companies provide brokerage and dealing services of foreign securities to retail investors and to revise wording that refer to the Notification of the

certain types of vehicles to be able to use high speed diesel fuel, B20. Increasing demand for raw materials for biodiesel production Which may affect the sales volume of the Company's products That will

Baht According to the announcement of the Department of Energy Business regarding the characteristics and quality of diesel oil, BE 2562, dated 30 January 2019, determined by allowing certain types of

decreased by Baht 0.74 million or 0.37% 1.2 Export sales and installation income decreased by Baht 8.81 million or 18.00% 2. Income from the water management business dividing two types of income, as below

management business dividing two types of income, as below; 2.1 Income from water production and distribution increased by Baht 9.33 million from investment in a company possessing a water production contract

income decreased by Baht 29.30 million or 28.53% 2. Income from the water management business was categorized to two types. 2.1 Income from water treatment and distribution increased by Baht 10.99 million

Business The COVID -19 virus pandemic situation has had a wide impact on all types of businesses and industries. In the first quarter of 2020, the negative impact on revenue to the Company and its

by subsidiaries earning from nose sewing and wiring box production. The Company and its subsidiaries profit there is gain on disposal of assets types of machinery and equipment that have a long service

management who submitted the changes in securities and derivatives holding report (Form 59) ( 33 record(s) found) Name of Company Name of Management Relationship to Management Types of Securities Transaction

แบบแจ้งการแสดงความเห็นของผู้สอบบัญชีสำหรับรายงานการตรวจสอบ (UNOFFICIAL TRANSLATION) PAGE 2 Summary of Types of Auditor’s Report on Audited or Reviewed Financial Statements Company’s financial