performance of E for L Aim Public Company Limited (“EFORL” or “the Company”) and its subsidiaries (collectively as “the Companies”) for the year ended 31 December 2017 Financial performances Comparison is as

. Dear sir, We, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for Q1/2018 which changing over 20% from the same period last year as follows ; Unimit

Quality Construction Products Public Company Limited (“Q-CON”) would like to clarify the main reason that caused operating result for 2018 changed more than 20 percent that of 2017. Q-CON and subsidiary

- Translation - MPIC 007/2019 February 13, 2019 Subject: Submit the Year End Financial Statement ended December 31, 2019 and clarification for the change of operating result more than 20% Attention

discussion and analysis for the year ended December 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of Wiik & Hoeglund Public

Page 1 of 4 No. RJH – SET 4/2019 25 February 2019 Subject : Management’s Discussion and Analysis for the fourth Quarter of 2018 and year ended December 31, 2018 To : The President The Stock Exchange

1 - TRANSLATION - KT/PB (Q-Con) 001/2020 February 13, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2019 Quality Construction

- Translation - MPIC 002/2020 February 17, 2020 Subject: Submit the Year End Financial Statement ended December 31, 2019 and clarification for the change of operating result more than 20% Attention

DCORP 008/2020 February 26th, 2020 Subject 2019 Performance Report for the Year Ended December 31st, 2019 and the Reduction of Performance Exceeding 20% To The Securities and Exchange Commission and

, 2020 Subject Management’ discussion and analysis for the fiscal year ended December 31, 2019 To President The Stock Exchange of Thailand Interpharma Public Company Limited ( “ the Company” ) would like