MD & A_Q2_63 August 11, 2020 Subject : Management Discussion and Analysis for the second quarter ended 30 June 2020 (reviewed) To : Director and Manager The Stock Exchange of Thailand Ratchthani

Separated Financial Statements Depreciation using previous estimated useful lives Depreciation using current estimated useful lives For Q1 2020 193 108 For Q2 2020 194 108 For the six-month period ended 30

(Translated) August 11, 2020 Ref FSS 120/2020 Subject: Clarification of Company’s Operating Result for the six-month period ended June 30, 2020 To The President and Director The Stock Exchange of

August 11, 2020 Subject : Management Discussion and Analysis for Six-month and 2nd quarter ended June 30, 2020 Attention : President The Stock Exchange of Thailand Operating Performance 1. Revenues

(Translation) Re: BOD.SET 011/2020 August 11, 2020 Subject: Clarification on the Change in operating results for the six-month period ended 30 June 2020 over 20% compared with the same period of the

The three month periods ended June 30, 2020 The Company would like to discuss the results of operation for the three month periods of year 2020,the company and company venture presented net loss in the

OHTL Public Company Limited and its subsidiaries Management Discussion and Analysis for the second quarter ended 30 June 2020 (Unit: Thousand Baht) 2020 2019 Increased/ (Decreased) Room revenue 337

T.K.S. TECHNOLOGIES 1 March 2021 Re: Management Discussion and Analysis for the period ended 31 December 2020 To: President The Stock Exchange of Thailand T.K.S. Technologies Public Company Limited

volume. 2. Other income increased 66,219 baht compared to the same period of the last year mainly from the increase from short-term investment in open-ended fund. 3. Cost of service decreased 3,773,116

(Translated) May 12, 2020 Ref FSS 080/2020 Subject: Clarification of Company’s Operating Result for the three-month period ended March 31, 2020 To The President and Director The Stock Exchange of