the year ended December 31, 2019 To Director and Manager the Stock Exchange of Thailand According to the Board of Directors’ Meeting No.2/ 2 0 2 0 of DOD Biotech Public Company Limited ( “ the Company

นาสูความเปนเลิศ ทั้งในดานพาณิชยและคุณภาพผลิตภัณฑอยางเปนมืออาชพี” August 15, 2017 Subject: Clarification on the cause of changes in operating results over 20 percent. To: Director and Manager The

paid-up share capital as at 12 May 2017 3.2 Mr. Kongsak Hemmontharop is Director jointly sign with the company seal affixed of Mill Pack Co.,Ltd, and shareholder, representing 0.008 percent of authorized

นาสูความเปนเลิศ ทั้งในดานพาณิชยและคุณภาพผลิตภัณฑอยางเปนมืออาชพี” November 14, 2017 Subject: Clarification on the cause of changes in operating results over 20 percent. To: Director and Manager

transaction was appropriate and for the business purposed. Consideration of connected transaction, no director who was the stakeholders attended the meeting or exercised the voting right to approve the

concealment is made on any material information which should be disclosed. (Signature)____- Signature -______ (Mr. Jutiphan Mongkolsuthree) Director Announcer of Intention (Signature)____- Signature -______

February 27, 2018 Subject Management Discussion and Analysis for the Year 2017 Ending December 31, 2017 To President and Director The Stock Exchange of Thailand Electronics Industry Public Company Limited

related persons under (1), (2) and (3) of the term “related person” under Section 89/1. 2 Clause 3 Transaction between foreign ETF and director, executive or related person shall be deemed as exempted from

31, 2019 To: Director and Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 3/2019 of General Engineering Public Company Limited (“the Company” ) held on May 14, 2019 has

Quarter of 2019 Dear The Director and Manager of the Stock Exchange of Thailand, Rayong Wire Industries Plc. as (COMPANY) would like to describe and analyze the financial position and business operation of