AC 52/07-003 ACC1/19-055 November 11, 2019 Subject: Management Discussion and Analysis Quarter 3 Ending September 30, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech
(Translation) LEE 12/2019 11 November 2019 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2019 To : President of The Stock Exchange of Thailand We submit
, thegroup percentage of acquisition/disposition, the group percentage after theacquisition/disposition and the person(s) under Section 258 of the Securities and Exchange Act B.E.2535 . Preliminary version
person(s) under Section 258 of the Securities and Exchange Act B.E.2535 . Preliminary version: incomplete and/or being reviewedinformation. Revised version: new report submitted by the reporter to replace