สรุปผลการดำเนินงานของบจ -Translation- May 13, 2019 Subject: Management Discussion and Analysis for the Quarter 2/2019 To: Managing Director The Stock Exchange of Thailand Inoue Rubber (Thailand

1Q2019 as table above. (4) Conversion ratio: 0.865 Tons = 1,000 Liters (5) Adjusted EBITDA refers to EBITDA excluding impact of Stock Gain/(Loss) and NRV Operating performance comparison between 1Q2020 vs

March 12,2020 Subject: Notification of the disposal of shares in the Biogas Power Plant Business of Akkrawat Crop Rotation Energy Company Limited (Revised No.2) Attention: President Stock Exchange of

impact from FX losses was only accounting implication and did not affect the Company’s cash flow or its operating performance. • Share of profit from investments in power associates decreased by 3.3

value of Commodity Polymer business unit as a result of shrinking in purchasing power. Financial Operating Results In Q2/2017, total cost of sales and operating expenses were Baht 934.0 million, decreased

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the six

in sales value of Commodity Polymer business unit as a result of shrinking in purchasing power. Financial Operating Results In Q3/2017, total cost of sales and operating expenses were Baht 836.3

a result of shrinking in purchasing power. Financial Operating Results In 2017, total cost of sales and operating expenses were Baht 3,615.0 million, decreased by Baht 239.3 million from Baht 3,854.3

1 Ref: CK-18-0000-AFD(AC)-L-0022 May 15, 2018 Subject: Clarification on Operating Result and Financial Position for the three-month ended March 31, 2018 Attention: President The Stock Exchange of

of Commodity Polymer business unit as well as Specialty and Engineering Polymer business unit, whereas there was a shrinking in purchasing power during Q3/2017. Financial Operating Results In Q3/2018