-Translation- Ref. WINNER 006/2020 February 27, 2020 Subject: Management Discussion and Analysis (MD & A) for the year 2019 (Revised) To: The President The Stock Exchange of Thailand 1. Analysis of

1 Ref: AC.006/2019 25 February 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.008/2020 25 February 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

August 15, 2017 Subject: MD&A for the financial statements of the 2nd quarter of fiscal year 2017 ended as of June 30, 2017 To: The President The Stock Exchange of Thailand Aapico Hitech Public Company

1 Ref: AC.016/2019 4 May 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.024/2019 3 August 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.017/2018 14 May 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.034/2019 4 November 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

service use unit of production method, however, the company still could generate the Cash Margin Net gain on foreign exchange rate Consolidated net gain on foreign exchange amounted to Baht 584 million. The

Electrode’s price which is a part of conversion cost higher than same period of last year. Net gain on foreign exchange rate Consolidated net gain on foreign exchange amounted to Baht 287 million. The gain is