(043) 236-835 456 Moo 14 Mittraparp Rd. Muang Khon Kaen Thailand 40000 Tel. (043) 333-555 Fax. (043) 236-835 Ratchaphruek Hospital No. RPH-SET 14/2018 November 10, 2018 Subject : Management Discussion

and its subsidiary for the third quarter ended September 30, 2019 which the details are as follows: Unit: million Baht For 3-month period (July-Sep) 2019 2018 Change % Increase (Decrease) Revenue from

WATTANAPAT HOSPITAL TRANG PUBLIC COMPANY LIMITED No. WPH – SET 011/2019 14 November 2019 Subject : Management Discussion and Analysis for Quarter 3 of 2019 ending on 30 September 2019. To : Directors

9 WATTANAPAT HOSPITAL TRANG PUBLIC COMPANY LIMITED No. WPH – SET 006/2020 13 May 2020 Subject : Management Discussion and Analysis for Quarter 1 of 2020 ending on 31 March 2020. To : Directors and

Position and Operating Performance of year 2022 Revenue from Sales The Company and its subsidiaries’ total revenue from sales for the year 2022 totaled 1,980.66 million baht, 2,329.81 million baht, and

, Samutsakhon 74000 No. DOD43/2563 May 14, 2020 To: The President The Stock Exchange of Thailand (SET) Subject: Management’s Discussion and Analysis for the first Quarter of 2020 DOD Biotech Public Company

) 815-7060 (AUTO 9 LINES), 425-9723-7, FAX : (662) 815-7069, 425-8358, 425-9729 . . 188 REF: SET 61-01 March 2, 2018 Subject: the explanation of overall operation in 2017 To : the President of the Stock

year 2017, the Company’s sale revenues were Bt. 106,897.87 million, which decreased 0.46% from last year. The decrease of sales was mainly due to the decreased set-top-box products as well impact from

year 2018, the Company’s sale revenues were Bt. 112,966.79 million, which increased 5.68% from last year. The increased of sales was mainly due to the increased in set-top-box products and computer

(SET) in case the business is listed on the SET.To support SMEs to fully make use of PE, the SEC has carried out five actions:(1) Revising rules to allow exemption for PE manager from holding securities