December 31, 2017 as amounting of 2,473.09 Million Baht due to company had profit from business operation Please be informed for acknowledgement Sincerely yours, Mr. Wutichai Leenabanchong Chairman

- Please be informed accordingly. Yours Faithfully, Dr. Wijit Techakasem Managing Director Authorized Person to Sign on Behalf of the Company Company Secretary Tel. 02-518-2722 Ext. 649 Fax. 02-518-2723

PTIRS is justified and the acquisition price paid is as per the Call Option agreement dated November 30, 2011 (as amended). Please be informed accordingly. Yours faithfully, (Mr. Souvik Roy Chowdhury

different opinion or abstention. Please be informed accordingly. Yours Sincerely, Mr.Chavalit Taratikundech Company secretary

informed accordingly. Yours sincerely (Mr. Chaisith Viriyamettakul) Managing Director

the regulations prescribed by SET. Details of services are provided in Attachment 1. Please be informed accordingly. Sincerely yours, (Mr. Hiroaki Sano) Managing Director (Attachment 1) Vinythai Public

the transaction. The Company still has a transaction size of 4 8 .3 5 % which is classified as "Category 2" with a value of 15% or higher but less than 50% . The rate is 40 percent. Please be informed

line with the increase in profit before income tax. Please be informed accordingly. Yours sincerely, (Assoc.Prof. Chalerm Harnphanich M.D., Hon.D.) Chief Executive Officer Revenue Structure Q3/2018 Q3

strengthen and the ability to gain profit from the operation. 13. Opinions by the Audit Committee and/or Director significantly different from those by the Board of Director : -None - Please kindly be informed

business. (13) Opinions by the Audit Committee and/or director significantly different from those by the Board of Directors : -None – Please be informed accordingly. Yours sincerely, Malee Leelasiriwong