Office of the Securities and Exchange Commission  SorDor. 39/2540 Re: Characteristics and Material Information of Securities Borrowing and Lending Contract (codified as of 04/10/1997) (Synopsis)   08/10

Duties as Marketing Officer of Securities Company / Commercial Bank   15. Report/Form (Notification of Securities and Exchange Commission) Form 113-2 Form for Changing of Information of Marketing Officers

Engineering System 44 1,612.46 Telecommunication & Signaling 6 1,026.21 Renewable Energy Project 2 57.84 Total 52 2,696.51 Consolidated Financial Position information Current assets as at 31st December, 2019

Exchange of Thailand With respect to the financial information for the 1st quarter ended 31 March 2020, as submitted by the Company, which has been audited by the external auditor, considered by the Audit

to disclose information and the vision of the management in order to assist investors to better understand the company's financial status and operation. It also supports the "Good Corporate Governance

period of the first quarter ended 31 March 2020, for your information and publication. In the first quarter of 2020, the Company and its subsidiaries recorded the net profit in the amount of 1,343.99

Renewable Energy Project 1 6.27 Total 42 3,114.66 Consolidated Financial Position information Current assets as at 31 March, 2020 was Baht 1,777.36 million. decreased amount of Baht 252.29 million or 12.43

, increased by Baht 99 million or 1.7% compare with 31 March, 2020. This is for your information. Yours sincerely, Takenori Adachi President

dated August 8, 2020 approved the Company’s Interim Financial Information ending June 30, 2020. The Company would like to clarify the six-month period ended June 30, 2020 earnings results, as follows

made to disclose information and the vision of the management in order to assist investors to better understand the company's financial status and operation. It also supports the "Good Corporate