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

26th February 2020 Subject: Transaction to acquire land from a related party. To: President The stock Exchange of Thailand According to the resolution of Board of Directors meeting of S.Kijchai

: TMBTHANACHART BANK PUBLIC COMPANY LIMITED UAC: UAC GLOBAL PUBLIC COMPANY LIMITED UBA: Utility Business Alliance Public Company Limited YUASA: YUASA BATTERY (THAILAND) PUBLIC COMPANY LIMITED   Reset BANGKOK

. UTILITY PUBLIC COMPANY LIMITED JSP: JSP PHARMACEUTICAL MANUFACTURING (THAILAND) PUBLIC COMPANY LIMITED JTS: JASMINE TECHNOLOGY SOLUTION PUBLIC COMPANY LIMITED JUBILE: JUBILEE ENTERPRISE PUBLIC COMPANY

www.ucity.co.th (-Translation-) Ref. No. U.SET 019/2018 2 April 2018 Subject: Disposal of the assets in Amphoe Aranyaprathet, Sa Kaeo To: The President The Stock Exchange of Thailand U City Public Company Limited

ที่ หทว No. Kor Bor Ror. 031/2017 November 9, 2017 President The Stock Exchange of Thailand Re : Entering transactions with connected parties for 2018 Dear Sir, Thai Wacoal Public Company Limited

ที่ หทว No. Kor Bor Ror. 018/2018 November 12, 2018 President The Stock Exchange of Thailand Re : Entering transactions with connected parties for 2019 Dear Sir, Thai Wacoal Public Company Limited

ที่ หทว No. Kor Bor Ror. 016/2019 November 11, 2019 President The Stock Exchange of Thailand Re : Entering transactions with connected parties for 2020 Dear Sir, Thai Wacoal Public Company Limited

-Translation - Ref. APURE 002/2019 February 22, 2019 Subject : Financial Position and Operating Performance of year 2018 Attention : The Director and President of the Stock Exchange of Thailand

Ref. APURE 004/2020 February 21, 2020 Subject : Financial Position and Operating Performance of year 2019 Attention : The Director and President of the Stock Exchange of Thailand Financial Position