April 17, 2019 April 17, 2019 April 17, 2019

AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) A U G U S T 2 0 2 2 D I S C L A I M E R 2 Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. W H AT W E D O : M AT E R I A L S C I E N C E 5 CUSTOM FORMULATION SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales ($ in millions) *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 6 S E C O N D Q U A R T E R 2 0 2 2 R E S U L T S $122 $134 2021 2022 $0.87 $0.98 2021 2022 Q2 2022 PERFORMANCE ( T O TA L C O M PA N Y ) 8 Sales Adjusted Operating Income $1,235 $1,302 2021 2022 + 5% Adjusted EPS + 10% + 13% (in millions) (in millions) (+ 10% excluding FX) (+ 16% excluding FX) (+ 20% excluding FX) Q2 2022 SEGMENT PERFORMANCE 9 CAI $624 $649 Sales ($ in millions) SEM Distribution $86 $94 Operating Income + 4% + 9% $404 $443 Sales $24 $27 Operating Income + 10% + 13% (1) $241 $244 Sales $37 $37 Operating Income + 1% Flat (+ 10% excluding FX) (+ 16% excluding FX) (+ 6% excluding FX) (+ 3% excluding FX) Q2 2021 $1,235 $122 Sustainable Solutions 17 7% 7 Healthcare 23 14% 5 Composites (ex Outdoor High Performance) 10 20% 4 Growth in Asia / LATAM 5 3% 1 Other 69 11% 5 Sub-total $1,359 10% $144 Outdoor High Performance Impact (9) (5) Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (48) (7) Q2 2022 $1,302 5% $134 Q2 2022 SALES AND OPERATING INCOME ( T O TA L C O M PA N Y ) 10 Sales Growth Rate Adjusted Operating Income$ millions Adjusted EBITDA Q2 EBITDA BRIDGE 11 Price increases more than offsets raw material and supply chain impacts Q2 2021 $ 159 Demand (29) $ millions CAI: Price / Mix 87 Inflation (58) SEM: Price / Mix 36 Inflation (24) Distribution: Price / Mix 45 Inflation (41) Net Price Benefit 45 Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (7) Q2 2022 $ 170   China Lockdowns / Russia Impact $ (14) Outdoor High Performance (5) Transportation (5)  12 Q2 '21 Adjusted EPS 0.87$ Color, Additives and Inks 0.11 Specialty Engineered Materials 0.01 Distribution 0.03 Corporate Costs 0.01 F/X (0.05) Segment OI 0.11$ Interest Expense 0.03 Tax Rate (0.03) Q2 '22 Adjusted EPS 0.98$ Q2 EPS BRIDGE Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N. Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Distribution business D Y N E E M A A C Q U I S I T I O N 32 15x stronger than steel Reduces weight by 30% vs. other solutions Well-maintained global asset base poised to serve growing demand • Purchase price of $1.48B represents 11.4x multiple of 2022 EBITDA • Acquisition will expand Avient’s composites and fiber portfolio with Dyneema®, the World’s Strongest Fiber™ • $415M sales and 30%+ EBITDA margins; Immediately accretive to pro forma 2022 EPS, adding $0.35 • 1,300 patents globally, ~50% of sales patent protected • 1,000+ employees across global production network and dedicated technology centers • Composites platform will increase from $261M to $680M in revenue and from $49M to $180M in EBITDA Indicates Dyneema ® location $175M (42%) $65M (16%) $175M (42%) 2022E Sales By Region ($M) (1) $0.35 EPS excludes intangible amortization (2) Based on 2022 expected results (1) (2) (2) F I T W I T H F O U R P I L L A R S T R AT E G Y 33 Specialization • Innovation-led organization with tremendous intellectual property value in trademarks, patents and “know-how” • Deep history of application development and premium, leading brand with the World’s Strongest FiberTM Globalization • Global customer base with an established presence across all major geographic regions • Global technology centers complement existing Composites applications and expertise Operational Excellence • Best-in-class safety performance • Well-run and maintained asset base fit to serve future growth • Highly effective and reliable supply chain with emphasis on optimizing service to customers Commercial Excellence • Deep customer relationships extend across the value chain and drive ability to grow • Offer a full suite of services with an active role in design, development and commercialization People Experienced and talented associates with a passion for safety, specialization and winning DY N E E M A ® OV E RV I E W K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders Body Armor • Helmets • Vehicle Protection $215M MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes $130M CONSUMER Consumer • Outdoor High Performance • Safety Equipment $70M 34 Figures reflect 2022 expected sales MIFOverview Competition Value chain & Go-to-market Strategy Innovation Financials TECHNOLOGY 35 1,200 1,300 2,500 Avient Dyneema Combined Patents • True specialty business – the World’s Strongest Fiber™ • Deep history of application development with customers, strongest in the industry • The only UHMwPE (ultra-high molecular weight polyethylene) fiber producer that is backward integrated o Provides innovation advantage through control of all steps of the process • Complementary with our existing reinforced film expertise (PolyStrand) and engineered fiber presences (Fiber-Line) WINNING PROPERTIES Ultra high strength vs. weight Highly flexible Floats on water Chemically inert; no smell/taste and non-toxic High resistance to UV radiation Self-lubricating, with low friction One-of-a-kind technology ® FORMULATION PROCESS 36 • Like Avient, Dyneema® offers similar core competencies around formulation and material science • Technology that combines polymers and fibers to provide specialized, high performing solutions for customers • Design capabilities ensure that applications are highly customized for the specified end use DYNEEMA ® IN THE VALUE CHAIN 37 UHMwPE Fiber / Tapes Military Personnel, Law Enforcement Heavy Marine, Offshore Wind Energy and Mooring, Aquaculture Outdoor, Footwear, Apparel, Inflatables • Material Science • Formulation • Service INTERMEDIATE MANUFACTURING (CUSTOMERS) OEM / APPLICATION DEMAND TRENDS 38 • Military spending and near-term demand for higher performing personal protection products (like Dyneema®) expected to increase o European NATO members annual defense spend expected to increase by up to 20%(1) o Japan aiming to almost double defense spending over the next 5 years(2) o Accelerated launch of next generation technology in North America • Policy-driven demand for sustainable energy; growth in floating offshore wind farms which require advanced, durable technology o Offshore wind expected to grow at a CAGR of 32% with the level of annual installations quadrupling over the next five years(3) • Continued investment in aquaculture as a sustainable food source(4) • Strong demand in outdoor high performance space across niche consumer applications aligns with 10% growth assumption for Avient’s Composites portfolio Sources: (1) “Funding NATO”, NATO.int (April 1, 2022) (2) “Japan Ruling Party Calls for Defense Spending Boost to 2% of GDP”, WSJ (April 21, 2022) (3) “Global Wind Report 2021”, Global Wind Energy Council (4) “Aquaculture Supports a Sustainable Earth”, NOAA Fisheries 39 A L I G N M E N T W I T H S U S T A I N A B I L I T Y G O A L S P RO D U C T S AVIE NT ’S E XIS T ING COM P OS IT E S P ORT F OL IO D I V E R S E C A P A B I L I T I E S A N D S O L U T I O N S S E R V I N G M A N U F A C T U R E R S A N D O E M S LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 40 AV I E N T ’ S C O M P O S I T E S P O RT F O L I O S A L E S A N D E B I T DA 41 $74 $84 $216 $212 $261 $5 $10 $32 $41 $49 $180 0 50 100 150 200 $- $50 $100 $150 $200 $250 $300 $350 $400 $450 $500 $550 $600 $650 $700 $750 2017 2018 2019 2020 2021 2022E $680 ($ in millions) • Dyneema® acquisition will further improve Composites EBITDA margins to 26% • Dyneema® will complement our existing portfolio with deep formulation expertise, innovative culture and global commercial presence • Composites will continue to be a key growth driver to deliver future revenue growth in excess of GDP (1) Pro forma for the acquisition of Dyneema® (1) SEGMENT DATA U.S. & Canada 50% EMEA 25% Asia 16% Latin America 9% 2021 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 19% Industrial 16% Building and Construction 10% Telecommunications 4% Energy 2% END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $4,819M and $581M, respectively, include intercompany sales eliminations and corporate costs $2,402M $409M $919M $164M $1,631M $94M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $581M$4,819M (1) Transportation 11% Healthcare 15% 43 Packaging 34% Consumer 21% Healthcare 8% Industrial 16% Building & Construction 10% Transportation 9% Energy 1% Telecommunications 1% C O L O R , A D D I T I V E S & I N K S 2 0 2 1 R E V E N U E | $ 2 . 4 B I L L I O N US & Canada 32% EMEA 40% Asia 21% Latin America 7% END MARKET REGION 44 All charts reflect 2021 financials S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Consumer 27% Healthcare 10% Packaging 7% Telecommunications 16% Transportation 11% Industrial 11% Building & Construction 11% Energy 7% 2 0 2 1 R E V E N U E | $ 9 1 9 M I L L I O N END MARKET US & Canada 55% EMEA 25% Asia 20% REGION 45 All charts reflect 2021 financials D I S T R I B U T I O N Healthcare 26% Consumer 23% Packaging 5% Industrial 20% Transportation 16% Building and Construction 8% Energy 1% Telecommunications 1% US & Canada 80% Asia 3% Latin America 17% END MARKET REGION K E Y S U P P L I E R S 2 0 2 1 R E V E N U E | $ 1 . 6 B I L L I O N 46 All charts reflect 2021 financials T O T A L C O M P A N Y R E G I O N A L S A L E S B Y E N D M A R K E T Packaging 30% Consumer 26%Healthcare 13% Industrial 14% Building & Construction 5% Telecommunications 2% Energy 2% Asia (16% of sales) Transportation 8% Packaging 32% Consumer 13% Healthcare 5% Industrial 17% Building & Construction 12% Telecommunications 5% Energy 4% EMEA (25% of sales) Transportation 12% 47 Consumer 25% Healthcare 19% Packaging 10% Industrial 17% Building & Construction 10% Telecommunications 4% Energy 2% US & Canada (50% of sales) Transportation 13% Packaging 38% Consumer 33% Healthcare 8% Industrial 10% Building & Construction 5% Telecommunications 1% LATAM (9% of sales) Transportation 5% All charts reflect 2021 financials Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

NYSE: AVNT) AVIENT CORPORATION I N V E S T O R M E E T I N G S M A Y 2 0 2 2 D I S C L A I M E R 2 Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. W H AT W E D O : M AT E R I A L S C I E N C E 5 CUSTOM FORMULATION SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales ($ in millions) *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 6 AVIENT ESG RATINGS Sustainalytics 2021 ESG Risk Ranking RANK (1st = lowest risk) PERCENTILE (1st – lowest risk) Chemicals INDUSTRY 75/449 17 th Specialty Chemicals SUBINDUSTRY 21/124 17 th ISS March 2022 ESG Scores SCORE (1 = Best, 10 = Worst) Environmental 2 Social 1 Governance 4 777 F I R S T Q U A R T E R 2 0 2 2 R E S U L T S $123 $136 2021 2022 $0.89 $0.99 2021 2022 Q1 2022 PERFORMANCE ( T O TA L C O M PA N Y ) 9 $1,162 $1,294 2021 2022 + 11% (+ 14% excluding FX) Adjusted EPS + 11% (+ 15% excluding FX) + 11% (+ 16% excluding FX) (in millions) (in millions) Sales Adjusted Operating Income Q1 2022 SEGMENT PERFORMANCE 10 CAI $609 $650 Sales ($ in millions) SEM Distribution $89 $95 Operating Income + 7% (+ 10% excluding FX) $363 $433 Sales $24 $24 Operating Income + 19% Flat (1) $217 $245 Sales $34 $40 Operating Income + 7% (+ 11% excluding FX) + 13% (+ 17% excluding FX) + 18% (+ 20% excluding FX) Q1 2021 $1,162 $123 Sustainable Solutions 19 8% 7 Healthcare 32 21% 6 Composites (excl. Source: Peer data per Bloomberg market data as of April 21, 2022 86 82 86 86 84 78 77 89 86 81 80 76 76 76 67 67 11 (12) A vi en t A vi en t P F F U L K W R P P G R P M A V Y F M C U N V R B N R H U N H X L E C L C E A S H E M N S C L A LB 12% 18% 16% 15% 15% 14% 14% 28% 28% 26% 25% 22% 21% 19% 16% 12% 9% 9% A vi en t T od ay A vi en t P F A V Y P P G K W R FU L R P M C E A LB FM C A S H E C L E M N H X L H U N S C L B N R U N V R Median: 21%Median: 15% 2 0 2 2 E B I T DA M A RG I N S V S .

AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) A U G U S T 2 0 2 3 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. GUIDANCE ( T O TA L C O M PA N Y ) 11 $845 $824 Guidance Actual $130 $131 Guidance Actual Sales Adjusted EBITDA (in millions) $0.60 $0.63 Guidance Actual Adjusted EPS (in millions) Q2 2023 PERFORMANCE VS. Avient reflects 2023 adjusted EBITDA guidance of $525M and estimated run-rate CAPEX of $110M. 2023E (%) 27 79 89 83 83 78 75 90 81 76 72 68 63 53 11 A vi e n t K W R F U L P P G A V Y R P M F M C C E E C L A S H H X L H U N E M N S C L Avient Specialty Formulators Other Specialty / Chemical Companies MULTI PL E EX PANSION Source: Peer data per Bloomberg as of August 17, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $525M and closing share price of $37.07.

Microsoft PowerPoint - AVNT Fermium Conference - May 2023 AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) M A Y 4 , 2 0 2 3 H O S T E D B Y : D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. GUIDANCE ( T O TA L C O M PA N Y ) 10 $845 $846 Guidance Actual $125 $134 Guidance Actual Sales Adjusted EBITDA (in millions) $0.55 $0.63 Guidance Actual Adjusted EPS (in millions) Q1 2023 PERFORMANCE VS. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 36 79 87 83 81 76 73 90 79 77 76 73 69 60 22 A vi e n t K W R P P G F U L A V Y R P M F M C C E H X L A S H E C L H U N E M N S C L M U LT I P L E E X PA N S I O N Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of April 28, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51.

AVIENT CORPORATION F I R S T Q U A R T E R 2 0 2 3 R E S U L T S (NYSE: AVNT) M A Y 3 , 2 0 2 3 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. GUIDANCE ( T O TA L C O M PA N Y ) 6 $845 $846 Guidance Actual $125 $134 Guidance Actual Sales Adjusted EBITDA (in millions) $0.55 $0.63 Guidance Actual Adjusted EPS (in millions) Q1 2023 PERFORMANCE VS. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 32 79 87 83 81 76 73 90 79 77 76 73 69 60 22 A vi e n t K W R P P G F U L A V Y R P M F M C C E H X L A S H E C L H U N E M N S C L M U LT I P L E E X PA N S I O N Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of April 28, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51.

FEATURED TPES FOR CONSUMER APPLICATIONS CO N SU M ER GENERAL PROPERTIES REGULATORY OVERMOLDING PROCESS FEATURES Appearance Hardness Specific Gravity Food Contact UL 94 Suitable Substrates Injection Extrusion ASTM Shore ASTM (D792) Consumer Electronics Series Versaflex™ CE 3120-40 Natural 42A 0.92 - - PC, ABS, PC/ABS, COPE ✔ - Good compression set—ideal for device cases or electronic grips Versaflex™ CE 3120-65 Natural 66A 1.15 - HB PC, ABS, PC/ABS, COPE ✔ - Chemical and abrasion resistant; 4.69 cradle-to-gate PCF—ideal for device cases or electronic grips Versaflex™ CE 3140-65N Natural 65A 1.00 - - PC, ABS, PC/ABS, COPE ✔ - 5G transparent materials—ideal for device cases or gaskets Versaflex™ CE 3140-90N Natural 90A 1.01 - - PC, ABS, PC/ABS, COPE ✔ - 5G transparent materials—ideal for device cases or gaskets Versaflex™ CE 3620 Black/ Natural 65A 1.00 - HB PC, ABS, PC/ABS, COPE ✔ - Chemical and abrasion resistant, hydrolitically stable—ideal for electronic grips/gaskets or wearables Engineering Resin Overmolds Versaflex™ OM 1060X-1 Natural 60A 0.93 ✔ - PC, ABS, PC/ABS ✔ - Versatile OM resin—ideal for grips/gaskets Versaflex™ OM 9-801N Natural 47A 1.04 ✔ HB PC, ABS, PC/ABS, PPO, POM, COPE, PMMA, HIPS ✔ - Soft touch/rubber feel—ideal for grips/gaskets Versaflex™ OM 9-802CL Clear 40A 0.92 ✔ - PC, ABS, PC/ABS, COPE ✔ - Soft touch/rubber feel—ideal for grips/gaskets Versaflex™ OM 6059-9 Black 58A 1.10 - HB PA 6 and 6,6 ✔ - Superior adhesion—ideal for grips, power tools/equipment Versaflex™ OM 6160-1 Black/ Natural 60A 1.11 ✔ HB PA 6 and 6,6 ✔ Superior adhesion—ideal for grips, power tools/equipment Versaflex™ OM 6240-1 Natural 43A 1.09 - - PA 6 and 6,6 ✔ - Superior adhesion — ideal for grips, power tools/equipment Versaflex™ OM 6258-1 Natural 62A 1.09 - - PA 6 and 6,6 ✔ - Superior adhesion—ideal for grips, power tools/equipment Versaflex™ OM 6258-9 Black 62A 1.09 - HB PA 6 and 6,6 ✔ - Superior adhesion—ideal for grips, power tools/equipment Versaflex™ OM 6275-9 Black 75A 1.10 - - PA 6 and 6,6 ✔ - Superior adhesion—ideal for grips, power tools/equipment Versollan™ OM1255NX Black 59A 1.05 - HB PC, ABS, PC/ABS, PC/PBT, COPE ✔ - Superior adhesion—ideal for power tool grips Versollan™ RU 2205-1 Natural 65A 1.16 - HB PC, ABS, PC/ABS, COPE ✔ ✔ High performance, rubber feel GENERAL PROPERTIES REGULATORY OVERMOLDING PROCESS FEATURES Appearance Hardness Specific Gravity Food Contact UL 94 Suitable Substrates Injection Extrusion ASTM Shore ASTM (D792) Special Series Versaflex™ VDT 4202-40B Black 40A 1.00 - - PP ✔ ✔ Vibration dispersion—ideal for washer/dryer feet or shin guards Versaflex™ G2800-17 Pink 18 OO 0.85 - - - ✔ - Skin-like feel—ideal for adult toys Versaflex™ SP 2820-55N Natural 55A 0.91 ✔ - - ✔ ✔ Superior puncture and tear resistance—ideal for dog toys Versaflex™ XP 2850 Natural 55A 0.88 ✔ - - ✔ ✔ Wet grip—ideal for water sports or grips Versaflex™ GP 2810-40N AM US Translucent 45A 0.87 ✔ - - ✔ - Antimicrobial Versaflex™ CE 3120-65 AM Natural 67A 1.15 - - PC, ABS, PC/ABS, COPE ✔ - Antimicrobial for consumer electronics Versalloy™ XL 9045-1 Natural 44A 0.88 ✔ - - ✔ - Excellent flow for long, thin flow paths— ideal for grips or thin wall parts Versalloy™ XL 9055-1 Natural 53A 0.89 ✔ - PP ✔ - Excellent flow for long, thin flow paths— ideal for grips or thin wall parts Versalloy™ XL 9055X-9 Black 53A 0.89 ✔ HB PP ✔ - Excellent flow for long, thin flow paths— ideal for grips or thin wall parts Versalloy™ XL 9070-1 Natural 70A 0.89 ✔ - PP ✔ - Excellent flow for long, thin flow paths— ideal for grips or thin wall parts Versalloy™ XL 9070X-9 Black 70A 0.89 ✔ HB PP ✔ - Excellent flow for long, thin flow paths; 2.54 cradle-to-gate PCF—ideal for grips or thin wall parts Dynaflex™ G7702-9001-02 Black 37A 1.10 - - PP ✔ ✔ High temperature performance—ideal for seals and gaskets Dynalloy™ DT 7910W White 45A 0.93 ✔ - - ✔ ✔ Low compression—ideal for dairy tubing Versaflex™ CL 2000X Clear 3A 0.87 ✔ - - ✔ ✔ Ultra soft Versaflex™ CL 2003X Clear 33 OO 0.87 ✔ - - ✔ ✔ Gel feel Versaflex™ CL30 Clear 30A 0.89 ✔ - PP ✔ ✔ High clarity, high tackiness Versaflex™ CL40 Clear 43A 0.89 ✔ HB - ✔ ✔ High clarity, high tackiness General Purpose Series Versaflex™ GP 2810 Translucent 20A–60A 0.88 ✔ - - ✔ ✔ Unfilled Versaflex™ GP 2810 Translucent 70A–90A 0.89 ✔ HB - ✔ ✔ Unfilled Dynaflex™ G7920 Natural/Black 20A 1.01 ✔ - PP ✔ ✔ Filled Dynaflex™ G7900 Natural/Black 30A–90A 1.05–1.20 ✔ HB PP ✔ ✔ Filled FEATURED TPES FOR CONSUMER APPLICATIONS CO N SU M ER GENERAL PROPERTIES REGULATORY OVERMOLDING PROCESS FEATURES Appearance Hardness Specific Gravity Compression Set @ 23°C Compression Set @ 100°C Food Contact ISO 10993 USP VI UL 94 Suitable Substrates Injection Extrusion ASTM Shore A ASTM (D792) ASTM % ASTM % Tubing Versaflex™ G2705 N Translucent 60 0.89 20 - ✔ ✔ ✔ ✔ PP ✔ ✔ High resiliance, low compression set, and good puncture sealing–ideal for medical and biopharma tubing Versaflex™ HC BT218 Translucent 67 0.89 19 69 - ✔ ✔ ✔ - - ✔ Weldable and kink resistant—ideal for biopharma tubing Versalfex™ HC BIO BT218 Translucent 70 0.88 18 58 - ✔ ✔ - - - ✔ Weldable and kink resistant; 40% bio-derived content (Gen 1 biomass)—ideal for biopharma tubing Versaflex™ HC MT317 Translucent 68 0.89 17 69 - ✔ ✔ ✔ - - ✔ Flexible and kink resistant, high service temperature —ideal for medical and biopharma tubing Versalloy™ HC 9220-70 Natural 70 0.95 17 51 - ✔ ✔ - PP ✔ ✔ High temperature resistance—ideal for peristaltic pump tubing Syringe Components Versaflex™ HC 2110-35N Natural 35 0.89 19 47 - ✔ ✔ - LDPE, PP ✔ - Good puncture sealing and elevated temperature performance—ideal for septums Versaflex™ HC 2110-57B Black 57 1.01 20 37 - ✔ ✔ - - ✔ - Low coefficient of friction and elevated temperature performance—ideal for plungers and stoppers Engineering Resin Overmolds Versaflex™ OM 1040X-1 Translucent 42 0.92 22 - ✔ ✔ ✔ - PC, ABS, PC/ABS ✔ - Good compression set at room temperature— ideal for seals and grips Versaflex™ OM 3060-1 Clear 59 0.90 33 - ✔ ✔ ✔ HB PC, ABS, PC/ABS, PC/PETG, PC/PBT ✔ - Good compression set at room temperature and UV stability—ideal for seals and grips Versaflex™ OM 8940X-1 Clear 40 0.92 20 - ✔ ✔ - - PK, COPE, PC, ABS, PC/ABS ✔ - Excellent chemical resistance to alcohols and disenfectants—ideal for grips on medical devices Versaflex™ OM 4052 Translucent 56 1.01 27 - ✔ - - - PC, ABS, PC/ABS ✔ - Excellent chemical resistance to skin oils, like sebum, and hand lotion—ideal for consumer healthcare applications Versaflex™ OM 4063 Translucent 64 1.12 30 - ✔ - - PC, ABS, PC/ABS ✔ - Excellent chemical resistance to skin oils, like sebum, and hand lotion—ideal for consumer healthcare applications General Purpose Applications Versaflex™ CL E85 Clear 85 0.90 20 72 ✔ ✔ ✔ - - - ✔ High clarity without plasticizers—ideal for extrusion Versaflex™ HC 3810 Series Translucent 20–90 0.88 16 54 - ✔ - - - ✔ - Formulated without animal derivatives, excellent colorability—ideal for seals and labware Versaflex™ G2705 N Translucent 60 0.89 20 - ✔ ✔ ✔ - PP ✔ ✔ High resiliance, low compression set, and good puncture sealing Versalloy™ HC 9220-70 Natural 70 0.95 17 51 - ✔ - - PP ✔ ✔ High temperature resistance Versalloy™ HC 9210 Series Natural 55 & 70 0.89 20 44 - - ✔ - - ✔ - Formulated without animal derivatives— ideal for injection molding long thin flow paths, smooth surface aesthetics Versaflex™ CL2242 Clear 43 0.89 23 - ✔ ✔ ✔ - - ✔ - High clarity maintained after boiling cleaning processes Versaflex™ CL2250 Clear 50 0.89 20 - ✔ ✔ ✔ - - ✔ - High clarity maintained after boiling cleaning processes FEATURED TPES FOR HEALTHCARE APPLICATIONS H EALTH CAR E GENERAL PROPERTIES REGULATORY BONDING PROCESS FEATURES Appearance Hardness Specific Gravity Weatherability* VOC FOG Odor** UL 94 Suitable Substrates Injection Extrusion ASTM Shore A ASTM (D792) Internal QUV 1000hrs (Delta E) VDA 278 μg/g (ppm) VDA 278 μg/g (ppm) Recycled Content Series reSound™ REC OF 7310-80 Black/ Natural (Gray) 80 0.90 0.35 75 379 3 (VDA 270) - PP ✔ 35% PCR/PIR content (food packaging)— ideal for automotive interior applications reSound™ REC OF 7310-90 Black/ Natural (Gray) 90 0.91 0.11 160 557 3 (VDA 270) - PP ✔ 45% PCR/PIR content (food packaging)— ideal for automotive interior applications General Purpose Series OnFlex™ G7705 B Black 42 1.20 - - - - - PP ✔ ✔ Easy processing for a wide variety of applications OnFlex™ G7705 N Natural 44 1.18 - - - - - PP ✔ ✔ Easy processing for a wide variety of applications OnFlex™ G7720 B Black 57 1.16 0.55 - - - HB PP ✔ ✔ Easy processing for a wide variety of applications OnFlex™ G7720 N Natural 55 1.17 3.72 - - - HB PP ✔ ✔ Easy processing for a wide variety of applications OnFlex™ G7820 N Natural 92 1.14 - - - - - PP ✔ ✔ Easy processing for a wide variety of applications Automotive Fasteners & Interior Components OnFlex™ AF 7210 Series Natural 40–90 1.00 - - - - - PP ✔ - Low odor and good UV resistance OnFlex™ AF 7210 Black 40 1.00 0.49 113 845 2 (SAE J1351, Dry) - PP ✔ - Low odor and good UV resistance OnFlex™ AF 7210 Black 50 1.00 0.42 51 762 2 (SAE J1351, Dry) - PP ✔ - Low odor and good UV resistance OnFlex™ AF 7210 Black 60 1.00 0.21 112 1740 1 (SAE J1351, Dry) - PP ✔ - Low odor and good UV resistance OnFlex™ AF 7210 Black 70 0.99 0.22 105 1976 3 (SAE J1351, Dry) - PP ✔ - Low odor and good UV resistance OnFlex™ AF 7210 Black 80 1.00 0.32 74 4459 3 (SAE J1351, Dry) - PP ✔ - Low odor and good UV resistance OnFlex™ AF 7210 Black 90 1.00 - - - - - PP ✔ - Low odor and good UV resistance HVAC & Interior Components OnFlex™ LO 7120-45N Natural 45 1.15 3.21 41 521 2 (SAE J1351, Dry) - PP ✔ - Significant reductions in VOCs and fogging compared to traditional TPE technologies GLS™ TPEs with Antimicrobial Technologies OnFlex™ LO 7120-45B AM Black 45 1.13 0.52 - - - - PP ✔ - Imbedded antimicrobial technology FEATURED TPES FOR TRANSPORTATION APPLICATIONS TRAN SPO RTATIO N * Values were taken on 3mm plaques following 1000hrs of continious exposure to UVA-340 ** Samples were conditioned at 23C at 35% RH for 24 hrs.

name change effective from 17/05/2021) :Company Name 201916958NUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 27/05/2019 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. The company was formerly known as: S/N Company Name Effective From 1. Any change in company name effected before 13 Jan 2003 will not be listed) TAN YONG TAT ACCOUNTING AND CORPORATE REGULATORY AUTHORITY : 17/05/2021 : Dated SINGAPORE ACRA210517158352Receipt Number ASST REGISTRAR OF COMPANIES & BUSINESS NAMES Authentication No. : A21361131U

I N V E S T M E N T I N C O M M E RC I A L R E S O U RC E S D R I V E S I N N O V AT I V E P R O D U C T P O R T F O L I O A N D S A L E S G R O W T H 19 160 270 2011 2019 2020E 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 0.85 11 12 13 14 15 16 17 18 19 20 21E 2.5x TARGET NET LEVERAGE BY 2021 ~$1Bn REPURCHASED OVER LAST 10 YEARS ~$350MM PAID OVER LAST 10 YEARS R E T U R N I N G VA LU E TO S H A R E H O L D E R S 12 Free Cash Flow Dividends Share Repurchases Deleveraging Strong track record of cash generation put to work in M&A and return to shareholders while modestly levered 0.1 0.1 0.2 0.5 0.6 0.7 0.8 0.9 0.9 1.0 11 12 13 14 15 16 17 18 19 20 2.9x 2.5x 2020PF* 2021E Growing Dividend Cumulative Buybacks Net Leverage $ B n $ p e r s h a re *2020 estimate and Pro forma for acquisition of the Clariant Masterbatch business Cash Generation ~$270MM Another unique value creation lever at Avient is synergy capture with our recent acquisition of Clariant Masterbatch. Excluding our Distribution segment and pro forma with synergies, EBITDA margins at Avient will exceed 17%. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 17 Capex / Revenue 2021E (%) Source: Bloomberg market data as of November 9, 2020 AV I E N T I S A S S E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 3 3 3 6 3 4 5 5 5 5 5 6 6 7 7 9 24 A v ie n t A v ie n t (E x c l.

Microsoft PowerPoint - Avient February IR Meetings AVIENT CORPORATION (NYSE: AVNT) F E B R U A R Y 1 7 - 1 8 , 2 0 2 1 I N V E S T O R M E E T I N G S H O S T E D B Y G O L D M A N S A C H S A N D M O R G A N S T A N L E Y D I S C L A I M E R 2 Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. W H AT W E D O : M AT E R I A L S C I E N C E 5 CUSTOM FORMULATION We sell solutions not commodities. With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 27 Avient reflects 2021 estimated EBITDA of $510M O U R VA LUATI O N V E R S U S P E E R S Avient Specialty Formulators Other Chemical/Specialty Companies 9.5 21.1 13.2 13.2 12.0 12.0 9.7 25.2 23.1 14.7 13.5 12.9 11.0 11.0 11.0 10.2 9.6 9.3 9.3 9.1 8.6 8.3 A vi e n t K W R A V Y R P M G C P P P G F U L A L B E C L H X L IF F F M C G R A B N R F O E A S H C E S C L U N V R E M N H U N K R A Median: 11.0xMedian: 12.6x S U M M A RY: W H Y I N V E S T I N AV I E N T ?