In 2021, Avient directed $3.4 MM towards environmental, health and safety capital improvements. Upstream leased assets Evaluation status Relevant, calculated Emissions in reporting year (metric tons CO2e) 670 Emissions calculation methodology Average data method Percentage of emissions calculated using data obtained from suppliers or value chain partners 100 Please explain Upstream leased assets data includes mileage data from leased vehicles provided by our leasing agencies of choice. In all of its activities, Avient puts high emphasis on environmental protection and safety.

CycleWorks can develop recycling-friendly product solutions to increase the recyclability of plastic products and, by understanding the chemistry of polymers in the mechanical recycling process, can provide data to help develop new and unique polymer formulations. Sustainability Spotlight Recycle Solutions WHAT IT DOES • Works according to recycling protocols • Simulates grinding, washing, conversion, and re-extrusion • Performs testing on final products such as bottles, sheets, films, or test bars • Applies in-depth analytical investigations KEY BENEFITS • Provides a portfolio of solutions that are field- tested for recycling • Can run recycling trials according to standard recycling protocols • Helps enable customers’ recyclability and sustainability goals • Screens and evaluates additive and colorant systems in the recycling process • Supports R&D work to solve major issues in the recycling process • Provides a collaboration platform for customers and value chain partners • Advances the circular economy 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

As a result of these plastisol aging characteristics and the potential differences in testing methodology, it is strongly recommended that incoming quality control (QC) specifications not be established based on plastisol Technical Data Sheets (TDS), or Certificates of Analysis (COA).

RADIO FREQUENCY MATERIALS Maximize your radio frequency (RF) performance with PREPERM™ materials OPTIMAL RF PROPERTIES • Well-controlled dielectric constant range 2.55–23 • Ultra-low loss even at mmWave frequencies • Stable performance even up to 220 GHz SPEED UP YOUR CONCEPT VALIDATION WITH • Avient Design services • Filaments for 3D printing FROM PROTOTYPING TO MASS PRODUCTION • Injection molding process enables flexible product designs • Scalable production • Customized sheets in high volumes • Consistent quality in mass production • Excellent total cost performance compared to traditional materials PREPERM™ IS A SUSTAINABLE CHOICE Products’ life-cycle and environmental footprint are important factors for designers. The advantages of PREPERM materials relate to more efficient data transfer (antennas, mobile base stations, satellite communication), better sensitivity (GPS, radars, radomes) and longer battery life (mobile and IoT devices).

We held our priorities firm by keeping health and safety first, providing world-class service to our customers, and utilizing our unique position to aid in recovery efforts as an essential supplier throughout the world.” 2021 Outlook Commenting on the Company’s 2021 outlook, Mr. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 5 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended December 31, 2020 2019 2020 2019 Sales $ 997.0 $ 658.6 $ 3,242.1 $ 2,862.7 Operating Income 65.0 20.5 189.3 156.8 Net income from continuing operations attributable to Avient shareholders 74.2 6.4 132.0 75.5 Basic earnings per share from continuing operations attributable to Avient shareholders $ 0.81 $ 0.08 $ 1.47 $ 0.98 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.81 $ 0.08 $ 1.46 $ 0.97 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. Three Months Ended December 31, Year Ended December 31, 2020 2019 2020 2019 Sales: Color, Additives and Inks $ 525.8 $ 226.7 $ 1,502.9 $ 1,003.8 Specialty Engineered Materials 190.6 177.5 708.8 745.7 Distribution 305.1 272.4 1,110.3 1,192.2 Corporate and eliminations (24.5) (18.0) (79.9) (79.0) Sales $ 997.0 $ 658.6 $ 3,242.1 $ 2,862.7 Gross margin: Color, Additives and Inks $ 164.3 $ 73.9 $ 484.4 $ 338.4 Specialty Engineered Materials 59.1 47.7 207.6 200.2 Distribution 32.4 31.0 124.0 132.1 Corporate and eliminations (2.9) 0.7 (31.7) (13.5) Gross margin $ 252.9 $ 153.3 $ 784.3 $ 657.2 Selling and administrative expense: Color, Additives and Inks $ 106.8 $ 46.7 $ 303.6 $ 191.0 Specialty Engineered Materials 28.7 28.9 113.2 116.5 Distribution 14.4 14.0 54.5 56.7 Corporate and eliminations 38.0 43.2 123.7 136.2 Selling and administrative expense $ 187.9 $ 132.8 $ 595.0 $ 500.4 Operating income: Color, Additives and Inks $ 57.5 $ 27.2 $ 180.8 $ 147.4 Specialty Engineered Materials 30.4 18.8 94.4 83.7 Distribution 18.0 17.0 69.5 75.4 Corporate and eliminations (40.9) (42.5) (155.4) (149.7) Operating income $ 65.0 $ 20.5 $ 189.3 $ 156.8 11 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

In the case of prosthetic legs and feet, the device must align with the patient’s natural gait, activity level, and mobility goals, while also maintaining comfort and safety. This process has traditionally been conducted through trial and error with clinicians, using commercially available prostheses with access only to biased data and knowledge from past patient feedback.

For identification purposes or safety reasons, these cables often need to be marked. Examples include: • Data transmission cables • Optical fiber cables PRODUCT BULLETIN 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

Richardson Executive Vice President, Chief Financial Officer PolyOne Corporation Page 15 Track Record of Accelerated Growth Total Revenue Adjusted EPS Adjusted EBITDA $2,061 $2,506 $2,709 $2,861 $3,771 2009 2010 2011 2012 2013 ($ in millions, except EPS ) $105 $179 $202 $255 $344 2009 2010 2011 2012 2013 $0.13 $0.68 $0.82 $1.00 $1.31 2009 2010 2011 2012 2013 PolyOne Corporation Page 16 $0.31 $0.44 $0.20 $0.30 $0.40 Q1 2013 Q1 2014 Adjusted EPS $42 $60 $20 $40 $60 Q1 2013 Q1 2014 Specialty Operating Income ($ millions) Q1 2014 Financial Highlights  Growth momentum accelerates driven by specialty platform  Specialty segments and Distribution achieve record results  All segments increase operating income compared to prior year  Revenue grew 25% versus Q1 2013 +43% +42% $57 $79 $30 $60 $90 Q1 2013 Q1 2014 Adjusted Operating Income ($ millions) +39% PolyOne Corporation Page 17 Commitment to Operational Excellence 81% 96% 2006 2013 16.2% 10.9% 2006 2013 On-Time Delivery Working Capital % of Sales 5.0% 31.0% 2006 2013 Percent of Associates Trained in LSS  Three consecutive years – CFO Magazine Best Working Capital Management Program in the chemical industry World’s Best Business Process Excellence Program in 2012*  95 certified Black Belts  211 certified Green Belts  422 Project Leaders World’s Best “Start-up Program” for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 18 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% *TTM 12/31/2013 ** includes US-qualified pension plans only 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 PolyOne Corporation Page 19 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.4 million shares in Q1 2014 Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 20 3.07 3.05 1.81 1.45 1.82 1.54 0.85 3.15 1.17 1.69 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 0.91 PolyOne Valuation Aspirations PEG Ratio Comparison Represents $38 of share price upside Avg = 1.96 PolyOne Corporation Page 21 Innovating for the Future Dr. Patterson President and Chief Executive Officer PolyOne Corporation Page 27 Well Positioned for Revenue Growth Addressable Market by Platform $540 $215 $120 $40 $260 $525 ($ millions) Design/Service Sustainable Solutions Surface Modification Lightweighting Thermal Control Flame Retardancy $1.0 - $2.0 Billion of revenue generated from new products in 5 years Gross margin on new products exceed current gross margin by at least 10 percentage points World class vitality index of ≥ 35% 2018 PolyOne Corporation Page 28 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 29 2006 2013 Revenue ($ millions) Health and Wellness Evolution General purpose tubing TPE applications from GLS Specialty tubing Ergonomic enhancements Pre-certified biocompatible colorants Highly sophisticated catheter and drug delivery components Chemical and heat sterilizable materials Authentication and protection technologies Addressing wellness, prevention, diagnostic and therapy changes in healthcare setting Healthcare packaging solutions 2006 2015 & Beyond $416 $105 PolyOne Corporation Page 30 Transportation Evolution General purpose formulations (bumpers, roof racks) Long fiber for lightweighting Thermal management for LED lighting Thermoset composite pultrusions Conductive polymers for EMI shielding Formulations for aerospace interiors Thermoplastic composites High temperature formulations for aerospace Expand 3D printing capabilities 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $709 $315 PolyOne Corporation Page 31 Packaging Evolution Masterbatch colors and PVC packaging materials TPEs to enhance brand appeal and consumer functionality Liquid color and additive technologies to extend shelf life, preserve taste and differentiate brands Leveraging color, additives and sheet technology for healthcare and consumer packaging solutions 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $612 $260 PolyOne Corporation Page 32 Consumer Evolution Commodity plastic and masterbatch color solutions Engineered materials to enhance customer appeal through visual and performance improvements Formulated metal- to-polymer conversion to enhance performance and reduce manufacturing costs Biopolymers & composite materials leveraging unique color technology to build brand identity 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $394 $228 PolyOne Corporation Page 33 Interactive Display Introduction PolyOne Corporation Page 34 Interactive Displays INNOVATION DISCUSSION LEADER TECHNOLOGIES MARKETS Polycast™ Bullet Resistant Sheet Aerospace GlasArmor™ Ballistic Resistant Panels Security reFlex™ Bio-Based Plasticizer Solutions Wilflex™ Oasis Hydrate InVisiO℠ Color Inspiration Forecast In-Store Audits OnColor™ Portfolio Light Weighting Thermal Management Corrosion Resistance Design Flexibility Sustainability Global Supply Chain Ergonomics and Aesthetics Consumer Appeal 9) Consumer Electronics Solutions Walter Ripple General Manager GLS Personal Electronics Wearable Electronics Hand Held Devices Portable Audio 7) Metal Replacement Technology Kurt Schuering Vice President Global Key Account Management Aerospace Transportation Electrical & Electronics Sporting and Shooting 8) Medical Device Solutions Dr. VP / President Global Color Additives and Inks Percept™ Authentication Technologies Healthcare Packaging Electrical & Electronics Consumer Transportation 2) Security and Safety Solutions Julie A.

Safety & Health Indemnity. Buyer acknowledges that Seller has furnished to Buyer Material Safety Data sheets, which include warnings together with safety and health information concerning the Product and/or the containers for such Product.

BUILDING & CONSTRUCTION INDUSTRY BULLETIN SAFETY Security and prevention SOLUTION: Flame retardants, laser marking additives, electrical and thermal additives SURFACE FINISH Low maintenance, natural wood grain aesthetics SOLUTION: Wood plastic composite (WPC) capstock technology PROTECTION Potable water tanks, electrical connectors, piping & tubing, insulation SOLUTION: Antimicrobials, electrical and thermal additives LONGEVITY Long service life, chemical resistance, mold & mildew resistance SOLUTION: Weatherable colorants, impact modifiers, antimicrobial additives SUSTAINABILITY LEED building & material credits, healthy building, reduced energy use, lightweighting, eco-conscious SOLUTION: Recycled materials, chemical foaming agents, bio-derived colorants & additives LANDSCAPE HARMONY Concrete surfaces, patio coloring, stucco SOLUTION: Pool colorants, metallic flooring colorants, stains The building and construction industry is dynamic, with trends towards high- performance buildings, elegant outdoor areas, healthier living spaces, and eco-friendly environments. DESIGN & PROCESSING Material flexibility and customization, extrusion and molding optimization techniques SOLUTION: Advanced polymer science, application development, technical service VISUAL AESTHETICS Custom colors, deep shades, special effects SOLUTION: Metallic colorants, granite & woodgrain effects DURABILITY Wind & impact resistance, chemical resistance, weatherability SOLUTION: Scratch & mar resistant or IR/UV resistant additives, dimensional stabilizers TECHNOLOGY DESCRIPTION TYPICAL APPLICATIONS Antimicrobial Additives Antimicrobial technology to limit microbe growth— reduces bacterial, mold and fungal growth on surface and through thickness, protecting finished part • Potable water equipment • Roofs & eaves • Decking, fencing & railings • High-touch surfaces • Bath surrounds, liners & inserts Scratch & Mar Resistance Additives For applications requiring resistance to daily surface abrasion, and management of surface energy • Exterior fencing, decking, railings & shutters • Outdoor furniture • Playground equipment Flame Retardant Additives Reduces spread of fire and heat release by creating a char to limit oxygen at the flame source • Wire & cable • Telecommunications • Decking, fencing & railings • Conduit • Exterior siding & cladding • Housings UV and Light Blocking Additives UV stabilizers help mitigate the harmful effects of UV radiation while light blocking additives protect products sensitive to light • Exterior siding & cladding • Trim & moldings • Roofing, shingles, tiles • Outdoor furniture • Fencing, decking, railings & shutters Anti-static and Conductive Additives Controls build-up of static charges to create static-dissipated parts while reducing related dust accumulation • Electrical connectors • Conduit or tubing • Junction boxes • Flooring • 5G enabling Chemical Foaming Agents Reduces weight and density without compromising mechanical properties • Exterior siding & cladding • Modular panels • Decking, fencing & railings Optimization Additives Cycle-time reducers that help optimize production while allowing improved dimensional stability and energy efficiency, among other processing benefits • Used in extrusion and injection molding processes to improve thermal conductivity, and lower processing temperatures and energy consumption Laser Marking Supports design and production flexibility and offers a new level of control in marking polymers with speed and clarity • Wire & cable • Outdoor furniture • Equipment & housings • Pipes & fittings Anti-counterfeiting Additives Customizable in-plastic authentication technologies that enable positive identification versus counterfeit products • Wire & cable jacketing • Pipes & fittings • Telecommunications • Potable water equipment Wood Plastic Composite (WPC) Capstock Technology Pair with traditional WPC materials as a substrate for a durable outer layer • Exterior siding & cladding • Outdoor furniture • Fencing, decking & railings Sustainable Colorants & Additives Color concentrates and additives carefully chosen to meet industry requirements and legislation, and designed to lower environmental impact while improving sustainability • Green building roofing • OSHA compliance • Sheet & profile extrusions • LEED building & material credits FX Special Effects Colorants Granite, marbling, woodgrain and other distinctive colorant technologies to provide special surface effects • Decorative molding • Chair or hand rails • Wallcovering • Blinds & shutters • Any surface or part demanding a distinctive look Pool Colorants Durable, long-lasting pigment formulations for finishes that hold up to pool water chemistries • Pool decks • Coping • In-ground swimming pools Metallic Flooring & Stain Colorants Colorants designed to give concrete floors and surfaces a distinctive appearance • Concrete flooring • Countertops • Decorative concrete • Walls While this listing represents many Avient solutions and addresses common applications, we can tackle many other building & construction needs.