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the 2nd Quarter of 2017 Ending June 30, 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2017

for the 3rd Quarter of 2017 Ending 30 September 2017 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 5

Microsoft Word - 2017 Results Notification letter_English February 13, 2018 The Director and Manager The Stock Exchange of Thailand Re: Information concerning Fiscal Year 2017 Operating Results KCE

Microsoft Word - 2018_Q2 Results Notification letter_English August 7, 2018 The Director and Manager The Stock Exchange of Thailand Re: Information on Second Quarter of 2018 Operating Results KCE

: Management explanation and analysis Quarter 2/2020 ending 30 June 2020 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify

both Replacement Equipment Manufacturer (REM) and Original Equipment Manufacturer (OEM) automotive parts, as well as provides injection, chrome plating and painting services for plastic products. Top 10

IP: INTER PHARMA PUBLIC COMPANY LIMITED L&E: LIGHTING & EQUIPMENT PUBLIC COMPANY LIMITED PAP: PACIFIC PIPE PUBLIC COMPANY LIMITED PRINC: PRINCIPAL CAPITAL PUBLIC COMPANY LIMITED PSL: PRECIOUS SHIPPING

: Management Discussion and Analysis for the year ended 31 December 2017 To : The President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the year ended 31