sincerely, ........................................................ (Associate Prof. Dr. Chiraphol Chiyachantana) Authorized person for disclosure of information

authorized the company to increase the investment proportion in the ordinary shares of Pattaya Manufacturing Co., Ltd. (PMC) by purchasing the 627,000 ordinary shares in an amount not exceeding Baht 93 million

Managing Director Authorized to sign on behalf of the company Investor Relations Department Tel : 0-2531-6633 , 0-2993-5080-7 ext. 403,401

revenue construction works of renewable energy power plants projects of private sector. The revenue from sales business was decreased of MTHB 54.21 comparing to the revenue from sales business of amount

herewith. Please be informed accordingly. Sincerely yours, -WICHIT TECHAKASEM- (Dr. Wichit Techakasem) Managing Director Authorized Person to Disclose Information Company Secretary Tel. 02-518-2722 Ext. 649

of such transaction as per the enclosure herewith. Please be informed accordingly. Sincerely yours, -WICHIT TECHAKASEM- (Dr. Wichit Techakasem) Managing Director Authorized Person to Disclose

the year 2016 was Baht 3,726.68 million. The significant decrease due to the reduction of the revenue construction works of renewable energy power plants projects of private sector. The revenue from

to check whether the work performance of such designated person is within the scope of power, duties and responsibilities; (2) determining clearly the rules concerning consideration for approval of

to check whether the work performance of such designated person is within the scope of power, duties and responsibilities; (2) determining clearly the rules concerning consideration for approval of

to check whether the work performance of such designated person is within the scope of power, duties and responsibilities; (2) determining clearly the rules concerning consideration for approval of