1 Ref: CK-20-0000-AFD(AC)-L-0042 August 14, 2020 Subject: Clarification on Operating Result and Financial Position for the six-month period ended June 30, 2020 Attention: President The Stock Exchange

0 ] Ref. No. IVL 001/05/2021 6 May 2021 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

Limited To: Director and Manager The Stock Exchange of Thailand As the Board of Directors Meeting of Wiik & Hoeglund Public Company Limited ("the Company") No. 5/2018 on October 12, 2018, approved Wiik

natural fatty alcohols declined. In the meantime, supply from both natural fatty alcohols and synthetic fatty alcohols were impacted by temporarily shut down of some Chinese producers because their

1 Ref. No. IVL 006/11/2017 9 Nov 2017 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Reviewed Financial Statements and the Management Discussion and Analysis of

contribute high gross margin; 4) marketing activities to help dry stock at trade stores and prepare for new packaging launch in Q3; and 5) increased administrative expenses from higher personnel expenses to

. While refineries maintains high utilization rate between July to August; U.S. refineries utilization rate was historic high, leading to lower U.S. crude stockpiles during the period. Market supply was

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) -Translation- 13 November 2018 Subject : Subsidiary’s related transaction (acquisition of machine and equipment) To : President The Stock Exchange of Thailand The

28 April 2020 At: ACC/HO 011/63 Re: Management Discussion and Analysis for the Quarter of 1/2020 To: President The Stock Exchange of Thailand Following the Coronavirus 2019 (COVID-19) pandemic and

management services (converting solid waste into electrical energy for https://market.sec.or.th/public/idisc/Download?FILEID=dat/news/202002/20018458.pdf 17076086.pdf construction and electrical system, supply