2. Mr. ANOND LEKASTHAPON VICE CHAIRMAN OF THE BOARD OF DIRECTORS NO. 1 3. Mr. UTHAI KLANGPIMAI VICE CHAIRMAN OF THE BOARD OF DIRECTORS NO. 3 4. Mr. CHAIWIWAT LEENABANCHONG MANAGING DIRECTOR / DIRECTOR

accordingly. Faithfully yours, Boondee Amnuayskul (Mr. Boondee Amnuayskul) Chief Executive Officer and Managing Director

Executive Board and Managing Director

February 28, 2020 Subject: Managing Discussion and Analysis for Year2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

February 28, 2019 Subject: Managing Discussion and Analysis for Year2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

May 15, 2019 Subject: Managing Discussion and Analysis for Q1/2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

August 14, 2018 Subject: Managing Discussion and Analysis for Q2/2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

CWTACC2020/006 August 14, 2020 Subject: Managing Discussion and Analysis for Q2/2020 To: Managing Director The Stock Exchange of Thailand The company would like to report to operating results of the

of Listed Companies Concerning the Connected Transactions, 2003 dated 19 November 2003. Please be informed accordingly. Yours sincerely, (Mr. Vorasit Pokachaiyapat) Managing Director 3 Information

accordingly Sincerely Yours, ----------------------------------- (Mr. Khongsit Choukitcharoen) Managing Director