#1Pending#2General Disclosure Forward-Looking Statements HUNTSMAN Enriching lives through innovation This presentation includes "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These forward- looking statements include statements concerning our plans, objectives, goals, strategies, future events, future revenue or performance, capital expenditures, financing needs, plans or intentions relating to acquisitions, divestitures or strategic transactions, business trends and any other information that is not historical information. When used in this press release, the words "estimates," "expects," "anticipates," "likely," "projects," "outlook," "plans," "intends," "believes," "forecasts," or future or conditional verbs, such as "will," "should," "could" or "may," and variations of such words or similar expressions are intended to identify forward-looking statements. These forward-looking statements, including, without limitation, management's examination of historical operating trends and data, are based upon our current expectations and various assumptions and beliefs. In particular, such forward-looking statements are subject to uncertainty and changes in circumstances and involve risks and uncertainties that may affect the Company's operations, markets, products, prices and other factors as discussed in the Company's filings with the Securities and Exchange Commission (the "SEC"). Significant risks and uncertainties may relate to, but are not limited to, increased energy costs in Europe, inflation and resulting monetary tightening in the US, geopolitical instability, volatile global economic conditions, cyclical and volatile product markets, disruptions in production at manufacturing facilities, reorganization or restructuring of the Company's operations, including any delay of, or other negative developments affecting the ability to implement cost reductions and manufacturing optimization improvements in the Company's businesses and to realize anticipated cost savings, and other financial, operational, economic, competitive, environmental, political, legal, regulatory and technological factors. Any forward-looking statement should be considered in light of the risks set forth under the caption "Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2022, which may be supplemented by other risks and uncertainties disclosed in any subsequent reports filed or furnished by the Company from time to time. All forward-looking statements apply only as of the date made. Except as required by law, the Company undertakes no obligation to update or revise forward-looking statements to reflect events or circumstances that arise after the date made or to reflect the occurrence of unanticipated events. Non-GAAP Financial Measures This presentation contains financial measures that are not in accordance with generally accepted accounting principles in the U.S. ("GAAP"), including adjusted EBITDA, adjusted EBITDA from discontinued operations, adjusted net income (loss), adjusted diluted income (loss) per share, free cash flow, adjusted free cash flow, and net debt. For more information on the non-GAAP financial measures used by the Company and referenced in this presentation, including definitions and reconciliations of non-GAAP measures to GAAP, please refer to "Non-GAAP Reconciliation" hyperlink available in the "Financials" section of the Company's website at www.huntsman.com/investors. The Company does not provide reconciliations of forward-looking non-GAAP financial measures to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, (a) business acquisition and integration expenses, (b) merger costs, and (c) certain legal and other settlements and related costs. Each of such adjustments has not yet occurred, are out of the Company's control and/or cannot be reasonably predicted. For the same reasons, the Company is unable to address the probable significance of the unavailable information. Third-Party Trademarks Any third-party trademarks displayed in this presentation are not owned by the Company, and no relationship between the Company and any third party is implied. 4Q23 Investor Presentation | 2#3Pending#4Pending#5Company Overview Huntsman's Portfolio Today HUNTSMAN Enriching lives through innovation Polyurethanes Performance Products Advanced Materials Total 3Q23 LTM Sales Revenue $4.0 billion $1.2 billion $1.1 billion $6.4 billion 3Q23 LTM Adj. EBITDA $272 million $234 million $189 million $515 million 3Q23 LTM Adj. EBITDA Margin % 7% Covestro Lubrizol LANXESS Key Competitors Energizing Cheery 19% LANXESS Exerging Chry Dow ◉-BASF We create chemistry EVONIK Landing Beyond Chemistry 17% 8% HEXION HEXCEL Henkel H.B. Fuller EVONIK Loading Beyond Chemistry Key End Markets 3Q23 LTM Sales Revenue by Region Dow -BASF CARLISLE We create chemistry • Insulation • Adhesives, coatings, elastomers & footwear ⚫ Automotive • Construction materials ⚫ Other industrial markets Coatings & adhesives • Construction materials • Polyurethane additives • Fuel & lubricant additives • Gas treating Electronics & E-Mobility 27% 8% 39% 7% 23% 48% ⚫ Aerospace . Transportation Infrastructure - Power - Coatings & construction • Construction & industrial applications Transportation ⚫ Adhesives Coatings Elastomers 24% 8% 8% 31% 26% 39% 22% 26% 37% 27% US & Canada ■Europe US & Canada ■Europe ■US & Canada ■ Europe US & Canada Asia Pacific Rest of World ■Asia Pacific Rest of World ■Asia Pacific Rest of World Asia Pacific ■Europe Rest of World 4Q23 Investor Presentation | 5#6Pending#7Pending#8Pending#9Pending#10Pending#11Pending#12Pending#13Polyurethanes Upvaluing the Business with Innovation and Differentiation Global Platforms & Specialty Solutions Innovate • Grow Higher cycle Margins/ Lower Volatility " Huntsman Building Solutions (HBS) ■ Elastomers (Specialty Elastomers, Footwear) ■ Automotive ■ Adhesives & Coatings Furniture/ Bedding Formulated Systems Innovate ⚫ Upvalue Medium cycle Margins/ Medium Volatility ■ Insulated Metal Panels Insulation Boards Commodity Deselect Upvalue Low to High cycle Margins / High Volatility Volatility Composite Wood Panels (CWP) Systems Houses High (1) Right hand portfolio map represents 2022 revenue and excludes MDI JV Accounting & Aniline/Benzene sales HUNTSMAN Enriching lives through innovation Elastomers Upvalue Upvalue Low Automotive Upvalue Huntsman Building Solutions Furniture Upvalue Adhesives & Coatings Upvalue PMDI Based Insulation Systems Formula pMDI Commodity Pure MDI Commodity pMDI Upvalue Stabilize 4Q23 Investor Presentation | Splitting Technology drives upvaluing potential 13#14Pending#15Polyurethanes 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#16Pending#17Pending#18Pending#19Performance Products Leading Positions Supporting Diverse End Markets Amines(1) Maleic Anhydride(1) HUNTSMAN Enriching lives through innovation Coating & Adhesives 16% ■Fuels & Lubricants 28% 4% ■Polyurethane Additives Agrochemicals 4% End Markets Oil Field Technology 7% ■Composites 7% ■Advance Technologies 17% ■Gas Treating 8% 9% Other 43% 5% 5% 6% End Markets 10% ■Construction Industrial Markets Fuels & Lubricants ■Paper Coating & Adhesives 17% ■Water 14% Other Amines are a family of intermediate chemicals which are valued for their properties as a reactive agent, emulsifier, dispersant, solvent or corrosion inhibitor. Performance Products manages Amines in two groups: Performance Amines & Ethyleneamines (1) Represents 2022 Net Sales Revenue Leading global positions across Performance Amines #1 in Polyetheramines (PEA) #2 in Specialty PU Catalysts #1 in Diglycolamine (DGA) #1 in Alkylene Carbonates in Americas (only producer) #1 in Heavy Ethyleneamines globally Maleic anhydride is a highly versatile chemical intermediate used for products sold into construction and infrastructure, marine and fuel additives, among other applications. Notably, maleic anhydride is used to produce UPRs, which are mainly used in the production of fiberglass reinforced resins. #1 in Maleic Anhydride in North America and Europe 4Q23 Investor Presentation | 19#20Pending#21Divisional Overview Advanced Materials Advanced Materials segment is a leading global manufacturer and marketer of technologically-advanced epoxy, phenoxy, acrylic, polyurethane, mercaptan and acrylonitrile butadiene-based polymer products. We focus on formulations and systems that are used to address customer-specific needs in a wide variety of industrial and consumer applications. Our products are used either as replacements for traditional materials or in applications where traditional materials do not meet demanding engineering specifications. HUNTSMAN Enriching lives through innovation#22Pending#23Pending#24Advanced Materials Complex Chemistries Enabling Valuable Effects HUNTSMAN Enriching lives through innovation Enhancing End Markets Specialty Components Valuable Effects Aerospace Infrastructure General Industry Automotive Specialty Resins Tougheners Curing Agents Modifiers & Additives Carbon Materials Light-weighting Adhesion & Joining Electrical Insulation Formulations Composites Adhesives Resin Systems Electrical Conductivity Protection Heat Management Representative OEMs BOEING AIRBUS A BOSCH RIVIAN HILTI SIEMENS CAT SHERWIN-WILLIAMS. 4Q23 Investor Presentation | 24#25Pending#26Pending