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172 INDORAMA VENTURES PCL. VISION - TO BE A WORLD-CLASS SUSTAINABLE CHEMICAL COMPANY MAKING GREAT PRODUCTS FOR SOCIETY. 1 | P a g e TÜV® Assurance Statement To the Directors and Management Indorama Ventures Public Company Limited, Bangkok, Thailand Indorama Ventures Public Company Limited (hereafter 'IVL') commissioned TUV India Private Limited (TUVI) to conduct independent external assurance of non-financial information disclosed in IVL's Sustainability Report (hereinafter 'the Report') for the period January 1, 2021 to December 31, 2021 period. This engagement comprises a "limited assurance" of IVL's sustainability information and a "reasonable assurance" of IVL's direct and indirect (Scope 1 and 2) GHG emissions as a whole for the applied reporting period. The Report is based on the principles of IIRC Integrated Reporting (<IR>), GRI Standards, AA1000AS Version 3 (Type 1, Moderate Level) for verification of the Report along with AA1000 AP (2018). Management's Responsibility IVL has developed the Report content. Its Management is responsible for identifying material topics and carrying out the collection, analysis, and disclosure of the information presented in web-based and printed Reports, including website maintenance and integrity. IVL's Management is also responsible for ensuring the quality and accuracy of the Report in accordance with the applied criteria stated in the <IR> framework and GRI standards in such a way that it is free of intended or unintended material misstatements. Scope and Boundary The scope of work includes limited assurance of the following non-financial performance / KPI disclosures disclosed in the Report. In particular, the assurance engagement included the following:  Review of the disclosures submitted by IVL;  Review of the quality of information;  Review of evidence (on sample basis) for identified non-financial indicators TUVI has verified the below-mentioned disclosures given in the report. Topic Indicator GRI Disclosure Energy Energy consumption within the organization 302-1 Energy intensity 302-3 Water and effluents1 Water withdrawal 303-3 Water discharge 303-4 Water Consumption 303-5 Emissions Direct (Scope 1) GHG emissions 305-1 Energy indirect (Scope 2) GHG emissions 305-2 Nitrogen oxides (NOx)/sulfide oxides (SOx) and other significant air emissions 305-7 Waste Waste generated 306-3 Waste diverted from disposal 306-4 Waste directed to disposal 306-5 Occupational health and safety Work-related injuries 403-9 Training and education Average hours of training per year per employee 404-1 Process Safety Events (Tier 1 and 2): As per the American Petroleum Industry's recommended Practice API RP 754 1 “Out of total 112 reported sites, COD was monitored at 38 sites, 28 sites sent discharge wastewater to the third party for treatment, 41 sites reported negligible COD, and no liquid discharge reported by 5 sites.” Sustainability Assurance Service Chief Strategy Officer Message Chairman of the ESG Council Message Key Achievements 2021 CEO Message IVL’s Sustainable Value Creation for Stakeholders Home

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