ที่ กบร No. Lor Gor. 005/2020 May 14, 2020 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 1st quarter, 2020 Dear Sir, Thai

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries ("the Company") would like to clarify the operating results for the Quarter1/2020 ended March 31

Our Ref: APURE 017/2021 14 May 2021 Subject Clarification on First Quarter’s Operating Performance (1/2021) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies

Our Ref: APURE 017/2022 13 May 2022 Subject Clarification on First Quarter’s Operating Performance (1/2022) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies

ที่ กตพ Ref. DBP. 107 / 2018 August 14, 2018 Subject : Clarification on Operating Results for the 3-month Period and 6-month Period ending June 30, 2018 To : President The Stock Exchange of Thailand

treasury stock The Corporate Group’s total assets as at September 30, 2018 increased from the end of year 2017 by Baht 53.68 million or 1.78 percent, due to a net increase in inventory of Baht 112.31 million

Stock Exchange of Thailand The Board of Director’s meeting No. 5/2018 of General Engineering Public Company Limited (“the Company”) held on 14 August 2018 has approved and verified the financial

the Year as at 31 December 2017 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management discussion and

Palmer & Turner (Thailand) Ltd MJD.IR.002/2563 25 February 2020 Subject : Clarification of the operating result for the year 2019 ended December 31, 2019 To : Director and Manager The Stock Exchange

: EIC-AD008/2019 February 27, 2019 Subject: Management Discussion and Analysis Yearly Financial Period Ending 31 December 2018 To: President The Stock Exchange of Thailand The Board of Directors of