661 6664-5 www.indoramaventures.com Ref.No.IVL002/12/2018 11th December 2018 President The Stock Exchange of Thailand Subject: Acquisition of Airbag Yarns Business in Germany and Mexico Indorama

(-Translation-) Ref. No. U.SET 046/2018 18 December 2018 Subject: Setting up a new subsidiary To: The President The Stock Exchange of Thailand U City Public Company Limited (the “Company”) would like

661 6664-5 www.indoramaventures.com Ref.No.IVL003/12/2018 20th December 2018 President The Stock Exchange of Thailand Subject: Acquisition of Specialty PET Business in Germany Indorama Ventures Public

661 6664-5 www.indoramaventures.com Ref.No.IVL004/12/2018 24th December 2018 President The Stock Exchange of Thailand Subject: Acquisition of PET Recycling Assets in USA Indorama Ventures Public Company

- Translation - OSP 11/2018 25 December 2018 Subject: Investment through its indirect wholly-owned subsidiary in a beverage company Attention: President Stock Exchange of Thailand With reference to

Aapico Vinfast Auto Parts Company Limited: Joint Ventured of the Company To: The President The Stock Exchange of Thailand Aapico Hitech Public Company Limited (“the Company”) hereby discloses the

Microsoft Word - S_2019_GRC-02_025_S43 Share Acquisition_EN Page 1 – Translation – GRC-02/2019/025 11 December 2019 Subject: Report of the Asset Acquisition To: President The Stock Exchange of

information, {A} purchased 10,000 JASH16 Futures contracts whose underlying was the JAS stock before attending the Board?s meeting. JAS later disclosed the information on such dividend payment to the SET. The

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No WORLD Mrs. Sangsri Chiyachantana Disposition Stock

Disposition Stock 35.0024 0.0189 34.9834 21/09/2021 35.0024 0.0189 34.9834   246013402109-1 UWC CAPITAL ENGINEERING NETWORK PUBLIC COMPANY LIMITED Acquisition Convertible securities 0 24.217 24.217 11/06/2021 0