Mr. Punnapob Punnakitikashem Mr. Punnapob Punnakitikashem, a Chief Executive Officer who is responsible for the operation of Apex Development Public Company Limited ("APEX"), shall be

Mr. Attapol Watjarapairoj Mr. Attapol Watjarapairoj, the person supervising accounting, who is responsible for the operation of Stark Corporation Public Company Limited ("STARK"), shall be

Mr Jakkaphong Jakrajutatip Mr Jakkaphong Jakrajutatip, the Chief Executive Officer who is responsible for the operation of JKN Global Group Public Company Limited ("JKN"), shall be liable

Mrs. Ayuporn Karnasuta Mrs. Ayuporn Karnasuta, Chief Executive Officer responsible for the operation of K-TECH Construction Public Company Limited (“K-TECH”) failed to supervise K-TECH to prepare and

Mr. Chatchon Karnasuta Mr. Chatchon Karnasuta , Chief Executive Officer (Acting) responsible for the operation of K-TECH Construction Public Company Limited (“K-TECH”) failed to supervise K-TECH to

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

ชี้แจงผลการดำเนินงานของบริษัทและบริษัทย่อยประจำปี 2549 UKEM004/2020 February 25, 2020 Subject : Management Discussion and Analysis of Business Operation results for Year 2019 To : Director and

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 ACC1/18-048 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

ชี้แจงผลการดำเนินงานของบริษัทและบริษัทย่อยประจำปี 2549 UKEM012/2020 May 15, 2020 Subject : Management Discussion and Analysis of Business Operation results for Quarter 1/2020 To : Director and