Control and Information Technology Security of Securities Company By virtue of Paragraph 1(2) of Section 141 of the Securities and Exchange Act B.E. 2535, the SEC Office, with the approval of the Capital

increased ,while the Social security revenue of subsidiaries decreased. Payment system of Social security office is uncertain therefore in Q1/2019 subsidiaries did not receive revenue of chromic disease. 2

increased .In addition the Social security revenue of subsidiaries decreased because of the uncertainty of the payment system of Social security office. 2. Cost of hospital operations & Administrative

increased ,as well as the Social security revenue of subsidiaries increased due to Social Security Office has increase the basic capitation payment rate in year 2020 . 2. Cost of hospital operations increased

in appraisal services in the Kingdom of Thailand continuously for not less than 1 year; (4) having a manager and a person holding executive position responsible for the working field relating to asset

quarter of 2018 (“3Q’18”) was THB 427 million, increased 9% yoy. Non-social security yoy revenue growth was highly 18% while social security revenue growth slightly decreased. Non-social security’s

owns 55.8% of the Galoc Oil Field. In addition, on 12 July 2018, the subsidiary has executed the share purchase agreement with Tamarind Galoc Pte Ltd, a wholly owned subsidiary of Tamarind Resources

Ranking CG Score 1/ CG Score AGM Level 2/ AGM Score Thai-CAC 3/ Thai CAC  3/ n/a SET ESG Ratings 4/ SET ESG Ratings n/a Ranking by Industry Business 4/ Company Profile 4/ Field name Detail Address 255,257

/ Thai CAC  3/ n/a SET ESG Ratings 4/ SET ESG Ratings n/a Ranking by Industry Business 4/ Company Profile 4/ Field name Detail Address 89 AIA Capital Center, 9th Floor, Unit 901 Ratchadaphisek Road, Din

/ SET ESG Ratings n/a Ranking by Industry Business 4/ Company Profile 4/ Field name Detail Address 8/5 Moo 14, Tha-change, Bangklam District Songkhla90110 Phone 0-7480-0111 Fax 0-7480-1286 URL