14 November 2018 Subject :Management discussion and analysis of financial statement for three-month period ended 30 September 2018 Attention :Director and Manager The Stock Exchange of Thailand The

Mrs. Pornanong Budsaratragoon, SEC Secretary-General, and the Management Team, held a meeting with representatives from the Asian Development Bank (ADB), led by Mr. Winfried Wicklein, Director

management and reduce financial costs; including the risk of non-payment according to the transaction is low. (8) Opinions by Audit Committee or director which different from the Board of Directors -None- 2

hardcopy to the SEC.” Unofficial translation prepared by Legal Department PAGE 2 FORM 35-E1 Information with Representation and Warranty of the Company’s Director and Executive and their Consent [ company’s

.” Unofficial translation FORM 35-E1 Information with Representation and Warranty of the Company’s Director and Executive and their Consent [company’s name] filed on Position in the Company Director [ ] President

business related information technology and its uses in business management. The details of the transaction can be summarized as follows:- 1. Transaction date : 13 August 2018 2. Parties involved: Service

ACC1/19-007 February 18, 2019 Subject: Management Discussion and Analysis for the year ended December 31, 2018 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

ACC1/20-012 February 25, 2020 Subject: Management Discussion and Analysis for the year ended December 31, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

AC 52/07-003 ACC1/19-019 May 13, 2019 Subject: Management Discussion and Analysis Quarter 1 Ending March 31, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

AC 52/07-003 ACC1/19-042 August 13, 2019 Subject: Management Discussion and Analysis Quarter 2 Ending June 30, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public