sale of investment in associated company in amount of THB 18.33 million in 2017. Kindly be informed accordingly. Yours sincerely, Malee Leelasiriwong (Mrs. Malee Leelasiriwong) Director

accordingly Nirut Intarathachang CFO

. Page 2 of 2 Please be informed accordingly. Sincerely Yours, (Mr. Ekawat Swetarat) Acing Managing Director

last year, Because the Company has already disposed of its investment since the third quarter of last year. Please be informed accordingly. Yours sincerely (Chirasak Chiyachantana Ph.D. Asso.Prof

in amount of THB 4.04 million to get profit in amount of THB 0.78 million or increased THB 4.82 million or 119.31% due to the aforementioned reasons. Please be informed accordingly, Yours sincerely

Company and its subsidiaries’ net loss amounted 67 million Baht. This was 34 million Baht (106%) loss higher than in the Q1/2018 (Q1/2018’s loss 32 million Baht). Please be informed accordingly. Sincerely

the Company and its subsidiaries’ net loss amounted 67 million Baht. This was 34 million Baht (106%) loss higher than in the Q1/2018 (Q1/2018’s loss 32 million Baht). Please be informed accordingly

expenses. Please be informed accordingly. Yours sincerely (Mr. Wichai Intaranukulkij) Managing Director

at 3,215,396 baht, increased 673,733 baht or 20.95% Please be informed accordingly. Yours Sincerely, (Miss Udomporn Aeimjoy) Executive Vice President Accounting and Finance Authorized Persons to

accordingly. Yours sincerely, (Ms.Jantamat Hankimhunt) Authorized Persons to Disclose Information