Ref. PDI/BK-BS-064/2019 12th November 2019 Re: Management Discussion and Analysis (MD&A) For the three-month and nine-month periods ended September 30, 2019 To: President The Stock Exchange of

Earth Tech Environment Public Company Limited 11th November 2020 Subject Management Discussion and Analysis Financial Performance for the quarter ended 30th September 2020 To President The Stock

Ref. PDI/BK-BS-036/2019 10th May 2019 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2019 To: President The Stock Exchange of Thailand PDI reassessed its

วันที่ 11 กุมภาพันธ์ 2551 Ref: Dimet AC 0819/3 September 6, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Year End result and clarification of the

Our Ref: APURE 014/2020 14 May 2020 Subject Clarification on First Quarter’s Operating Performance (1/2020) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies

vs Q2/2019 Comparing Q3/2019 vs Q3/2018YoYQoQ Operating Performance Q3/18 Q2/19 Q3/19 Change +/(-) 9M/18 9M/19 Change+/(-) (Unit: Million Baht) QoQ YoY Revenue from Selling Electricity Revenue from

, 2020 Re: Management Discussion and Analysis (MD&A) For the three-month and six-month periods ended June 30, 2020 To: President The Stock Exchange of Thailand Padaeng Industry Public Company Limited and

addition, the increase was also from higher electricity revenue from IRPC-CP plant, which is the result of higher natural gas prices. The operating revenue of Q3/2018 significantly increased by Baht 2,418

cause the gas turbine of Phase 1 to stop operating in Q3/2017. This also caused the decline in gross profit for Baht 111 million or 69% from Q2/2017. “Electricity Sales Volume increased at Rayong Central

Earth Tech Environment Public Company Limited Page 1 17th August 2020 Subject Management Discussion and Analysis Financial Performance for the quarter ended 30th June 2020 To President The Stock