4Q23 Investor Presentation

Polyurethanes Huntsman Building Solutions $31B Global Building Insulation Market North American Spray Foam Exposure(1) HBS Share -31% -7% -3% of SPF III SPF ■Cellulose ■PU Panel ■Fibreglass ■ EPS ■MW North America $8.2B Europe $9.5B Asia $13.1B Commerical 40% Residential New Build 45% Spray Polyurethane Foam HUNTSMAN Enriching lives through innovation Benefits to Customers " SPF creates an effective air barrier, preventing drafts and minimizing moisture and humidity Average energy costs reduction equates to a less than a four- year payback period Impact of Inflation Reduction Act 25C $1,200 energy tax credit for homeowners Shift contractors to retro-fit with housing start decrease 45L builder tax credit for insulation Incentive to improve energy efficiency of all homes Residential Retro-fit 15% Note 1: North America represents ~90% of HBS revenue in 2022 Integrated Supply of the World's Most Cost-Efficient Energy-Saving Insulation Huntsman MDI Huntsman TEROL polyols = TEROL polyols consume the equivalent of approximately ten thousand recycled PET plastic bottles per average insulated home Average home requires ~1,500lbs of spray foam Flood resistant material Increased structural Lower heating and cooling costs by up to 50% Reduced stress strength on HVAC equipment. Minimize dust and allergens GREEN BUILDER Sustainability Awards 2020 2020 Editors' Choice GREEN BUILDER HOT50 PRODUCTS ETH INNOVATION cpi AWARD WINNER energy Gold ENERGY STAR INNOVATION AWARD 2018 4Q23 Investor Presentation | 15 Consistent temperatures. Effective radon Quieter gas barrier living space "Closed-cell only

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