, which decreased from the same period last year by Baht 7.13 million and Baht 8.85 million or 3.36% and 3.77%, respectively. Yours sincerely, (Mr. Chuangchai Nawongs) Chief Executive Officer and President

company determines the provision for the said loss on impairment of the investment. For your kind acknowledgement. Yours Faithfully, HYDROTEK PUBLIC COMPANY LIMITED Mr. Sarun Yanasopananan Chief Executive

securities business receivable of Baht 10.06 million. Please kindly be informed accordingly. Yours sincerely, (Mr. Chaipatr Srivisarvacha) Chief Executive Officer

. Please be informed accordingly. Sincerely yours, Miss Pimkarn Leungsuwan Chief Financial Officer

group 733.46 678.37 Water management business group (only amount recognize in year 2018) 137.49 67.53 Total 870.95 745.90 Yours Truly, WIIK & HOEGLUND PUBLIC CO., LTD. Mr. Wiboon Sangwithayanon Chief

investment 16 MB and the remaining decrease of 24.4 MB resulted of efficiency in management. Please be informed accordingly Your Sincerely, (Miss Vachiraporn Aganapanya) Chief Financial Officer

informed accordingly. Sincerely yours, (Mrs. Klinsukhon Luephongphaichit) Chief Financial Officer

agreements of Baht -0.3 million Please be informed accordingly. Sincerely yours, (Ms. Huai Hui, Lee) Chief Operating Officer

accordingly Yours sincerely, (Mr. Chalerm Harnphanich M.D.,Ph.D.) Chief Executive Officer

Chief Executive Officer