page 1/6 (TRANSLATION) Ref. WINNER 0004/2019 February 26, 2019 Re Management Discussion and Analysis (MD&A) for the year 2018 and for the year 2017 To The President The Stock Exchange of Thailand 1

February 17, 2020 To: The President The Stock Exchange of Thailand Re: 2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to report the Company’s 2019 operating

); the Fuel Ethanol Business EBITDA is THB 41 million (-29% QoQ). In June 2017, the company has informed the Stock Exchange of Thailand of the changes in shareholing structure of Bio-based Product business

Revenues fro purchased ac nterest incom Total Revenu Cost of servic Gross Profit Discussion and /009 Manag Presid Stock to JMT Ne to certify th es for the s any’s audito of Performa rmance of t olidated fina

provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox , and that the service user’s consent is required prior to provision of such

conditions different from the provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox, and that the service user’s consent is

1 Translation UWC 006/2019 February 26, 2019 Subject : Management Discussion and Analysis for year 2018 To : President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company

page 1/6 (TRANSLATION) Ref. WINNER 0004/2019 February 26, 2019 Re Management Discussion and Analysis (MD&A) for the year 2018 and for the year 2017_revised To The President The Stock Exchange of

page 1/6 (TRANSLATION) Ref. WINNER 0004/2019 February 26, 2019 Re Management Discussion and Analysis (MD&A) for the year 2018 and for the year 2017_revised 2 To The President The Stock Exchange of

already registered the changes to the Department of Business Development, Ministry of Commerce on April 17, 2019. In this regard, the Company still uses the same stock symbol “RATCH”. Management Discussion