661 6664-5 www.indoramaventures.com Ref.No.IVL000/12/2019 4th December 2019 President The Stock Exchange of Thailand Subject: Acquisition of PET Recycling Facility in USA Indorama Ventures Public

Bangkok, April 24, 2015 ? The SEC presented research papers of Kasetsart University at the 3rd SEC Working Papers Forum, 2015 on ?Behaviors of noise trader in the Stock Exchange of Thailand?Chalee

per share. In case of having other securities listed elsewhere, identify the name of the Stock Exchange. (2) In case of having other types of share such as preferred share whose rights or terms differ

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No TAKUNI Mr. Kanatuch Woointranon Acquisition Stock

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No VARO MA ALUMINUM CORPORATION Acquisition Stock 0

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No MAJOR GIC PRIVATE LIMITED Disposition Stock 5.0311

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No DEMCO NUSASIRI PUBLIC COMPANY LIMITED Acquisition Stock

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No GCAP Mr. Asa Sarasas Acquisition Stock 0 16.0682

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No MK Mr. Prateep Tangmatitham Disposition Stock 13.0236

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No LDC Mr. Visnu Skulpichetrat Disposition Stock 6.7129