Short, long and continuous fiber composites available in pellet or semi-finished forms

When we created Avient and announced on July 1, we did so by bringing two great businesses together to form a truly outstanding one.

Short, long and continuous fiber composites available in pellet or semi-finished forms

Part forms a vacuum in the "A" cavity

In 2011, the Zero Discharge of Hazardous Chemicals (ZDHC) Group was formed to catalyze positive change in the discharge of hazardous chemicals across the product life cycle.

When additives are not specifically designed for use in PET, they can migrate from the polymer matrix and form tiny deposits.

SPECTROPHOTOMETER CONFIGURATION FOR COA Type: Datacolor Illuminate: D65 Daylight Observer: 10 degree, large area view, specular included EXPLANATION OF SPECTROPHOTOMETRIC VALUES DL* Lightness/Darkness Difference (Delta L*) The shade of gray (black/white) + = Lighter - = Darker Da* Red/Green Color Difference (Delta a*) + = Hue is redder (or less green than) - = Hue is greener (or less red than) Db* Yellow/Blue Color Difference (Delta b*) + = Hue is yellower (or less blue than) - = Hue is bluer (or less yellow than) DC* Difference Attributed to Chromaticity (Delta C*) + = More saturated than (more color intensity) - = Less saturated than (less color intensity) DH* Difference Due to Hue Only (Delta H*) DE* Total Color Difference (Delta E*) DE is a mathematical calculation utilizing the DL*, Da* and Db*, and therefore, used alone this number can be misleading as to the true color of a material. Those depicted may not be an exact match for your requirements, but when Avient color experts learn how a color will be used and what materials are involved, they can suggest an appropriate pigment for your specific applications.

What made our performance particularly rewarding was that we delivered in the midst of an unforeseen U.S. recession, a 50-year low in housing starts, and an extremely challenging economic environment throughout much of Europe. b) On February 28, 2011, we sold our 50% equity interest in SunBelt to Olin. I have reviewed this Annual Report on Form 10-K of PolyOne Corporation; 2.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2030 Sustainability Targets 27Avient Corporation Sustainalytics 2021 ESG Risk Ranking RANK (1st = lowest risk) PERCENTILE (1st – lowest risk) Chemicals INDUSTRY 75/449 17th Specialty Chemicals SUBINDUSTRY 21/124 17th ISS November 2021 ESG Scores SCORE (1 = Best, 10 = Worst) Environmental 2 Social 1 Governance 4 28Avient Corporation Avient ESG Ratings Products 8 W A Y S W E H E L P C U S T O M E R S B E M O R E S U S T A I N A B L E 29Avient Corporation Enabling Customers’ Recycling Goals R E S O U N D ™ R R E C Y C L E D - C O N T E N T T P E 62% recycle content High performance and quality Reduce waste with refillable features 30Avient Corporation Lightweighting Commercial Trucks P O L Y S T R A N D ™ T H E R M O P L A S T I C C O M P O S I T E L A M I N A T E S 60% Weight reduction in box truck panels Improve fuel economy 100% recyclable 31Avient Corporation 75% less water Enabling Customers to Conserve Resources, Reduce Waste R E N O L ™ S P I N D Y E C O L O R I N G M E T H O D 30% less energy lower carbon footprint 32Avient Corporation Sustainability for a Better Tomorrow *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 Revenue From Sustainable Solutions* 2016-2021 2016 2017 2018 2019 2020PF** 2021E $405M $455M $550M $790M $270 215 170 $930M2021E Sales Avient Corporation 33 The Challenge and the Opportunity Avient Corporation 34 Plastic is Part of the Solution PLASTIC ALTERNATIVE PACKAGING (GLASS & ALUMINUM) Requires… Avient Corporation 35 Source: Franklin Associates, A Division of Eastern Research Group (ERG) 2x more 6x more Water 5x more Weight 2x more Greenhouse gas emissions Brand Owners Goals: Substantially Increase use of Recycled Materials 10 40 14 25 13 22 35 19 13 18 41 Current Additional share needed to reach 2025 target Brand Owner 1 Brand Owner 3 Brand Owner 2 Brand Owner 7 Brand Owner 4 Brand Owner 10 Brand Owner 6 Brand Owner 11 Brand Owner 5 Brand Owner 8 Brand Owner 9 Brand Owner 12 Brand Owner 13 Percent recycled plastic used: (examples and not exhaustive) (1) Latest year reported. Avient Corporation 78 Time needed to download a 2 hour movie Low Latency Avient Corporation 79 R E D U C I N G T H E T I M E F O R D A T A T O T R A V E L 4G 300 milliseconds 5G milliseconds 5 G R E Q U I R E S M O R E E Q U I P M E N T 4G4G 5G5G Fiber optic cable Additional radio heads on base station antennae More and larger base station antennae Radio heads 16x more fiber optic cable than 4G Base station antennae Millions of small cell antennae Global 5G infrastructure demand will grow 50% CAGR through 2028 Avient Corporation 80 5 G A N T E N N A E D E N S I T Y 3G to 4G = 25x more antennae 4G to 5G = 16x more antennae Source: Fiber Broadband AssociationAvient Corporation 81 5 G R E Q U I R E S M O R E C A B L E • Overall broadband expansion will require 28 million km of fiber optic cable over next 5 years • U.S.

Microsoft PowerPoint - AVNT Q3 2024 Earnings Presentation_10.29_12PM AVIENT CORPORATION T H I R D Q U A R T E R 2 0 2 4 R E S U L T S A N D 2 0 2 4 F I N A N C I A L G U I D A N C E (NYSE: AVNT) O C T O B E R 3 1 , 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. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. FX +8.5% FX -0.4% Total Avient +8.1% Note: Regional Sales Percentages exclude impact of foreign exchange COLOR, ADDITIVES & INKS SEGMENT $487 $522 $89 $97 (in millions) (in millions) 7 + 7% (+8% excluding FX) + 9% (+11% excluding FX) 18.3% +40 bps *18.7% * * Adjusted EBITDA Margin % • Sales growth driven by winning new product specifications in consumer & packaging, strong underlying demand in healthcare and improving demand in building & construction • Favorable mix and raw material deflation contributed to EBITDA margin expansion SPECIALTY ENGINEERED MATERIALS SEGMENT $268 $295 $51 $57 (in millions) (in millions) 8 • Sales growth driven by restocking in healthcare & consumer end markets and strong underlying demand for composite applications used in building & construction, energy and defense end markets • Favorable mix contributed to EBITDA margin expansion + 10% (+10% excluding FX) + 12% (+13% excluding FX) 19.0% +40 bps *19.4% * * Adjusted EBITDA Margin % 2024 G U IDA N CE FY 2024 GUIDANCE Previous (Aug 6) Current Adjusted EPS $2.55 to $2.70 $2.63 to $2.67 Adjusted EBITDA $515 to $540 million $525 to $530 million Interest Expense $105 million $104 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures & Investment in S/4 Hana ~$140 million ~$140 million 10 11 • Investor Day to be held December 4, 2024 at the NYSE, beginning at 10AM • The focus will be to do a deep dive on the Company’s strategy • Registration and microsite will be available in early November 2024 AVIENT INVESTOR DAY AP P EN D IX 18 Performance Additives 15% Pigments TiO2 Dyestuffs Polyethylene 10%Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 41% 36% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% 23%Industrial Building and 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) 7% 20 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION 34% 37% 21% END MARKET REGION 21 34% 21% 15% Building & 1% Energy COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION 52% 35% 22 6%Industrial 12% 10% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 26% Building & 6% 2% Defense 1% (18% of sales) 2023 AVIENT REGIONAL SALES 25% Building & (36% of sales)Transportation 22% Building & 12% 6% US & Canada (41% of sales) 59% 22% Building & LATAM (5% of sales) 23 BY END MARKET 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.