-TRANSLATION- 15 May 2018 Subject : Management Discussion and Analysis for Q1/2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

Limited would like to submit the report of Management Discussion and Analysis for the 3-month period ended June 30, 2018 which has been unaudited but reviewed by the auditor this is caused by followings

increased at a rate of 3.2% over same period of last year which, in accordance with the policy, demonstrated the efficiency of Company cost control management. - Nevertheless, Company had incurred somewhat

-TRANSLATION- 14 August 2018 Subject : Management Discussion and Analysis for Q2/2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

caused the change of the lessor of the MahaNakhon Cube Building from the Company’s subsidiary to a new lessor. The lease agreements were terminated prior to the expiry date and there have been some

-TRANSLATION- 14 November 2019 Subject : Management Discussion and Analysis for Q3/2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

Page 1 Date 13 May 2020 Re: Management Discussion & Analysis for the 3-months period Ended 31 March 2020 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN PUBLIC COMPANY

สรุปผลการดำเนินงานของบจ -Translation- August 14, 2020 Subject: Management Discussion and Analysis for Quarter 3 /FY2020 To: Managing Director The Stock Exchange of Thailand Inoue Rubber (Thailand