In 2019, we published our first Sustainability Report, and I encourage you to read it. As I said earlier, that’s what great companies do. Lin, and William R.

AUTOMOTIVE MOLDER TIER 1 E L E C T R O N I C C A R D R E A D E R P A R T F O R M U L T I M E D I A H U B • Aluminum replacement • Good mechanical properties • PP with 40% Long Glass Fiber • Meet the strict automotive OEM specification • Designed a material solution to obtain all critical mechanical criteria and supply the OEM in a short timeframe • Delivered tailored strategy while offering global reach OnForce Long Fiber Reinforced Thermoplastic Formulations KEY REQUIREMENTS WHY AVIENT?

TPEE AND TPU FILM MANUFACTURER H O T M E L T A D H E S I V E F I L M • Eliminate anti-phenol yellowing after storage • Maintain natural color of product • Demonstrate no impact on melt flow ability • Prevented yellowing after storage to provide a quality appearance • Had no negative impact on the product’s mechanical properties • Extended the shelf life and durability of the product Cesa Anti-phenolic Yellowing Additive KEY REQUIREMENTS WHY AVIENT?

OFC TECHNOLOGY LEADER M I C R O B U N D L E S I N B L O W I N G A P P L I C A T I O N F O R R A I L W A Y S • Strippable with fingers for easy installation/access to fibers • High speed processing at a low wall thickness • Low shrinkage • Resistance to chemicals and filling compounds • Meet XP C93-850-1-1 standard • Re-designed cable to provide advantageous functional and economical value • Improved flexibility compared to PBT and PP tubes, allowing longer blowing distances on paths with angles of 90° • Increased processing speed and improved ease of installation • Provided better cable lifetime value compared to alternative solutions ECCOH™ 6151 UV SEPAP Formulation KEY REQUIREMENTS WHY AVIENT?

ENERGY STORAGE OEM A Q U E O U S B A T T E R Y G A S K E T • Sealing performance from -40 to 110°F • Ability to flow in a long, thin seal design • Chemical resistance to a proprietary electrolyte solution • Natural color • Provided a chemically resistant TPE that outperformed competitive TPE and thermoplastic rubber in rigorous customer testing • Offered material expertise and education to empower an informed material decision • Enabled OEM to model and evaluate sealing performance via design support and data files • Met global production needs through material consistency and local technical support Dynaflex™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - AVNT M8 Investor Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) AU G U S T 2 0 2 4 DISCLAIMER 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. EBITDA Margin 16.9% +100 bps Q 2 2024 R ES U LT S Q2 2024 PERFORMANCE VS. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

SPORTS EQUIPMENT OEM D I S C G O L F D I S C S • Replace incumbent polymer with an alternative material that offered consistent supply and comparable performance • Colorable and able to support product differentiation using special effects • Grippy but not tacky • Ability to meet varying flexibilities and weights • Professional Disc Golf Association approval • Presented a TPE with diverse durometers to support a range of disc capabilities, weights and grip features • Delivered a durable material with good flow characteristics for simple and economical production • Provided a natural, easy-to-color material with good UV resistance • Offered a breadth of material and specialty services to enable product line expansion using metallic effects, polymer additives, and additional material formulations Dynaflex™ Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?

INVESTMENT IN COMMERCIAL RESOURCES D R I V E S I N N O VAT I V E P R O D U C T P O R T F O L I O AN D S AL E S G R O W T H 2.6x TARGET NET LEVERAGE BY 2021 ~$1Bn REPURCHASED OVER LAST 10 YEARS ~$350MM PAID OVER LAST 10 YEARS RETURNING VALUE TO SHAREHOLDERS 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 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 11 12 13 14 15 16 17 18 19 20 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 3.1x 2.6x 2020PF* 2021E Growing Dividend Cumulative Buybacks Net Leverage $B n $ p e r sh ar e *2020 estimate and Pro forma for acquisition of the Clariant Masterbatch business Cash Generation 19 160 240 2011 2019 2020E ~$240MM Another unique value creation lever at Avient is synergy capture with our recent acquisition of Clariant Masterbatch. D is t. ) R P M K W R P P G F U L G C P F M C IF F H X L H U N F O E E M N E C L S C L K R A A S H C E G R A A LB As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from. SEGMENT HIGHLIGHTS Packaging 37% Consumer 22% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 6% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION $9 $310 2.0% 15.5% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business US & Canada 32% Europe 39% Asia 23% Latin America 6% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 24 US & Canada 59% Europe 23% Asia 18% Consumer 23% Healthcare 10% Packaging 6% Wire & Cable(1) 25% Electrical & Electronics 14% Industrial 10% Transportation 10% Building & Construction 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2020E REVENUE | $685 MILLION 0.9% 16.8% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 25 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling Healthcare 30% Consumer 24%Packaging 3% Industrial 19% Transportation 15% Electrical & Electronics 4% Building & Construction 4% Wire & Cable 1% US & Canada 79% Asia 2% Latin America 19% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION DI S TR IBU T I ON 2020E REVENUE | $1 .05 B ILL ION $20 $65 2.9% 6.2% K E Y S U P P L I ER S 26 AMERICAS EUROPE ASIA Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% Packaging 35% Consumer 14%Healthcare 6% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% Packaging 32% Consumer 26% Healthcare 12% Industrial 7% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Transportation 10% Transportation 7% Transportation 4% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (25% of sales) (17% of sales) 27

EDWARDS DESIGN & FABRICATION M O D U L A R M I L I T A R Y B A L L I S T I C S H E L T E R S • Blast and bullet resistance to protect soldiers and military assets in mortar pits, shelters, and guard towers • Lightweight for portability and quick deployment without heavy equipment • Specific colors required to provide visual cover in the field • Provided UL 752 Level 3 ballistic resistance, additional protection by layering panels • Reduced weight by 75% compared to steel, improved portability over concrete or sandbags • Enabled easy installation with common carpentry tools • Customized color formulations to meet needed camouflage without painting GlasArmor™ Ballistic Resistant Composite Panels KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - Avient March IR - Fermium AVIENT CORPORATION (NYSE: AVNT) M A R C H 1 8 , 2 0 2 1 I R M E E T I N G S H O S T E D B Y F E R M I U M R E S E A R C H DISCLAIMER 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. 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. 26 Avient reflects 2021 estimated EBITDA of $510M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 11.3 18.6 14.3 13.6 13.3 12.2 10.7 28.8 26.3 23.3 14.6 12.4 11.7 11.6 11.2 11.0 10.6 10.3 9.6 9.1 8.5 7.2 A vi en t K W R A V Y R P M P P G G C P F U L H X L A L B E C L IF F F M C A S H F O E B N R C E G R A E M N S C L U N V R K R A H U N Median: 11.2xMedian: 13.5x SUMMARY: WHY INVEST IN AVIENT? SEGMENT HIGHLIGHTS U.S. & Canada 50% EMEA 26% Asia 16% Latin America 8% 2020 SEGMENT, END MARKET AND GEOGRAPHY 29 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 21%Industrial 15% Wire & Cable 6% Building & Construction 6% Electrical & Electronics 4% END MARKET REVENUE Transportation 10% Healthcare 15% All data reflects 2020 Pro forma for acquisition of the Clariant Masterbatch business. (1) The total company sales and EBITDA of $3,783M and $457M, respectively, include intercompany sales eliminations and corporate costs $2,043M $331M $709M $124M $1,110M $70M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $457M$3,783M (1) Packaging 35% Consumer 23% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 7% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION US & Canada 31% EMEA 40% Asia 22% Latin America 7% END MARKET REGION 30 2020 figures Pro forma for acquisition of the Clariant Masterbatch business S P E C I A LT Y E N G I N E E R E D M AT E R I A L S Consumer 24% Healthcare 10% Packaging 6% Wire & Cable(1) 24% Electrical & Electronics 13% Transportation 11% Industrial 10% Building & Construction 2% 2020 REVENUE | $709 MILLION END MARKET US & Canada 58% EMEA 23% Asia 19% REGION 31 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling DI S TR IBU T I ON 2020 REVENUE | $1 .1 B ILL ION Healthcare 29% Consumer 25% Packaging 2% Industrial 20% Transportation 14% Electrical & Electronics 5% Building & Construction 4% Wire & Cable 1% US & Canada 82% Asia 3% Latin America 15% END MARKET REGION K E Y S U P P L I ER S 32 AMERICAS EMEA ASIA Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% Packaging 34% Consumer 16%Healthcare 5% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% Packaging 32% Consumer 27% Healthcare 12% Industrial 6% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Transportation 10% Transportation 7% Transportation 4% 2020 figures Pro forma for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (26% of sales) (16% of sales) 33