Attention: President The Stock Exchange of Thailand Regarding to JAS Asset Public Company Limited (“the Company”) Board of Meeting No.2/2019 on 8 May 2019, the resolution to certify the Company’s financial

Page 1 of 4 No. RJH – SET 8/2019 13 May 2019 Subject : Management’s Discussion and Analysis for the First Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

-Translated Version- No. ECF2 026/2019 May 15, 2019 Subject: Management Discussion and Analysis of the 1st quarter ended 31 March, 2019 To President The Stock Exchange of Thailand East Coast

MDA Q2_2019 (Eng ) August 9, 2019 Subject : Interim Management Discussion and Analysis of Q2/2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

Management Discussion and Analysis, Q2/2019 Page1/4 Ref. IR62/008 9 August 2019 Subject: Management Discussion and Analysis, 2nd Quarter Ending 30 June 2019 Attention: President Stock Exchange of

Page 1 of 4 No. RJH – SET 7/2018 11 May 2018 Subject : Management’s Discussion and Analysis for the 1st quarter of 2018 ending March 31, 2018 To : The President The Stock Exchange of Thailand

: Management explanation and analysis for three-month period ended 31 March 2018 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to

1 Ref: CK-18-0000-AFD(AC)-L-0022 May 15, 2018 Subject: Clarification on Operating Result and Financial Position for the three-month ended March 31, 2018 Attention: President The Stock Exchange of

MDA Q2_2018 (Eng.) August 7, 2018 Subject : Interim Management Discussion and Analysis of Q2/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

: Management explanation and analysis for the 2nd Quarter ended 30 June 2018 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“ the Company”) would like to