1 / 5 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS • Explanation and analysis of financial performance for the year at the end of 31 December 2018

(TRANSLATION) Tor. For. 3/2019 February 28, 2019 Subject : Submission of Financial Statements for the year ended 2018 and explanation on the changes of the Company’s operating performance more than

No. INGRS046 30 April 2020 Subject : Explanation on the financial performance of INGRS for the financial year ended 31 January 2020 To : The President The Stock Exchange of Thailand Ingress

Reef:020/1999 Ref : 22/2017 May 15, 2017 Subject : The explanation of operating results for the first quarter of 2017 To : The SET President Vibhavadi Medical Center Plc. would like to disclose the

Reef:020/1999 Ref : 47/2017 Aug 15, 2017 Subject : The explanation of operating results for the second quarter of 2017 To : The SET President Vibhavadi Medical Center Pcl. would like to disclose the

Reef:020/1999 Ref : 73/2017 November 13, 2017 Subject : The explanation of operating results for the Third quarter of 2017 To : The SET President Vibhavadi Medical Center Pcl. would like to disclose

Reef:020/1999 Ref : 8/2019 February 27, 2019 Subject : The explanation of operating results for the year of 2018 To : The SET President Vibhavadi Medical Center Plc.”VIBHA” hereby submits a copy of

Reef:020/1999 Ref : 22/2019 May 14, 2019 Subject : The explanation of operating results for the first quarter of 2019 To : The SET President Vibhavadi Medical Center Plc. would like to disclose the

Reef:020/1999 Ref : 35/2019 August 14, 2019 Subject : The explanation of operating results for the second quarter of 2019 To : The SET President Vibhavadi Medical Center Plc. would like to disclose

Reef:020/1999 Ref : 62/2018 November 13, 2018 Subject : The explanation of operating results for the Third quarter of 2018 To : The SET President Vibhavadi Medical Center Pcl. would like to disclose