January 9th, 2020 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Vibharam Co.,Ltd.’s new ordinary shares, and elder ordinary share which purchases from

shareholding of (ii) and (iii) above, the connected parties is 35.5% Mr. Om Prakash Lohia is the chairman of the Board of Directors and Managing Director of IRSL. He is also the elder brother of Mr. Aloke Lohia

Board of Directors and Managing Director of IRSL. He is also the elder brother of Mr. Aloke Lohia, the Group CEO of the Company and Mr. Sri Prakash Lohia, chairman of the Board of Directors of the Company

. Wantana Amatanon (Spouse of Mr. Pongchai Amatanon), Mrs. Rangsee Lerttripinyo (elder sister of Mr. Phongchai Amatanon) and Mr. Kalic Amatanon (brother of Mr. Pongchai Amatanon), the shareholding proportion

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

ACC6207/003 25 July 2019 Subject Inform the progress of the sale stock in the subsidiary company To Director/ Managing Director The Stock Exchange of Thailand Refer to the company's letter No

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

AC 52/07-003 ACC1/18-048 November 12, 2018 Subject: Management Discussion and Analysis Quarter 3 Ending September 30, 2018 To: Director and Managing Director The Stock Exchange of Thailand Qualitech