-English translation- No. M06/003/19 May 14, 2019 Subject Clarification of Q1/2019 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

Exchange of Thailand Aapico Hitech Public Company Limited (“the Company”) hereby discloses the resolutions made at the Board of Directors’ meeting No. 98/2019, held on Tuesday, May 14, 2019 at 14:30 Hrs., at

จดหมายชี้แจงQ162e May 15, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for the three- month period ended 31 March 2019 Summary of the 1 st

, The Stock Exchange of Thailand The Board of Directors' Meeting No.3/2019 of Jubilee Enterprise Public Co., Ltd. held on 9 August 2019 had approved the interim dividend payment from the operating result

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

หน้า 1 จาก 1 Translation August 13, 2019 Subject: Management explanation and analysis for Quarter ended 30 June 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating performance

-English translation- M06/006/19 August 14, 2019 Subject Clarification of Q2/2019 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

Ref Ref. 2S_BoD013/2019 August 14, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

จดหมายชี้แจงq262e August 14, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2019 Summary on Second Quarter