Mr. Vorachai Phakdeesanaeha Mr. Worachai Pakdeesaneha, managing director who is responsible for the operation of Vorakit Construction Company Limited ("VKK") shall be liable for VKK's

Mr. Kritchthorn Chindapradist Mr. Kritchthorn Chindapradist, managing director who is responsible for the operation of SAMART TRAFFIC COMPANY LIMITED (“SMT”) shall be liable for SMT's offering

Mr. Anuwat Burapachaisri Mr. Anuwat Burapachaisri, the managing director, who is responsible for the operation of MEC Far East International Public Company Limited (“MEC”), shall be liable for MEC

Mr Phijit Wiriyamettakul Mr Phijit Wiriyamettakul, Managing Director of VIBHAVADI MEDICAL CENTER PUBLIC COMPANY LIMITED has changed his securities holding. In this regard, Mr Phijit has the duty to

Mrs Kanjana Suwannapasri Mrs Kanjana Suwannapasri, Deputy Managing Director of UNION PETROCHEMICAL PUBLIC COMPANY LIMITED has changed her securities holding. In this regard, Mrs Kanjana has the duty

Mr. Chaipipat Kaewtrirat Mr. Chaipipat Kaewtrirat, a former Managing Director, who is responsible for the operation of AQUA Corporation Public Company Limited ("AQUA"), shall be liable for

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