AVNT-2022.03.31-News Release - Dyneema 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Agreement to Acquire DSM Protective Materials (Dyneema®) and Plans to Explore Sale of Distribution CLEVELAND – April 20, 2022 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today announced that it has entered into an agreement with Royal DSM (“DSM”) to purchase the DSM Protective Materials business (including the Dyneema® brand) (the “Dyneema business”). The ultra-lightweight specialty fiber is 15 times stronger than steel and is used in demanding applications such as ballistic personal protection, marine and sustainable infrastructure, renewable energy, industrial protection and outdoor sports. About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Magna represents another addition to our growing portfolio of sustainable solutions, as brand owners seek eco-conscious materials for their customers,” Mr. Sustainability Report and Upcoming Investor Day “We plan to host an investor day in New York City on December 9 to highlight our sustainable solutions portfolio, Clariant Masterbatch integration synergies and future growth plans. For an advance look at our sustainability initiatives, please review our most recent sustainability report, which will soon be available on our website,” added Ms.

We did so at a time when the world craves a more sustainable planet, unprecedented innovation and economic growth. FUTURE GROWTH IN EXCESS OF GDP IS DRIVEN BY: Our company is positioned to sustainably grow at a rate that exceeds GDP. We will do so though our investments and focus on sustainable solutions for high-growth markets, including healthcare, consumer, packaging and composites/5G.

Unless otherwise stated, Adjusted Operating Income, Adjusted EBITDA and Adjusted EPS figures included in this presentation exclude the impact of special items as defined in our quarterly earnings releases. 2021 PE RF O RM AN CE $80 $85 $0.52 $0.58 Q4 2021 PERFORMANCE Sales Adjusted Operating Income $997 $1,202 + 21% Adjusted EPS + 6% + 12% (in millions) (in millions) $308 $429 $1.93 $3.05 FULL YEAR 2021 PERFORMANCE Sales Adjusted Operating Income $3,783 $4,819 + 27% Adjusted EPS + 39% + 58% (in millions) (in millions) (1) (1) (1) FULL YEAR 2021 SEGMENT PERFORMANCE 6 $2,043 $2,402 SEM Distribution $226 $303 + 18% + 34% $1,110 $1,631 $70 $93 + 47% + 33% $709 $919 $94 $132 + 30% + 40% Full Year 2020 (Pro forma) $3,783 $308 Sustainable Solutions 147 19% 60 Healthcare 143 28% 30 Composites 58 43% 29 Growth in Asia / LATAM 107 21% 26 Other 543 30% 58 Sub-total $4,781 26% $511 Wage Inflation and Overtime (39) Other Supply Chain Costs (15) COVID Response Applications (22) (12) Synergies 44 FX, Incentives, Other Employee Costs 60 (60) Full Year 2021 $4,819 27% $429 FULL YEAR 2021 SALES AND OPERATING INCOME Sales Growth Rate Operating Income$ millions 8 Full Year 2020 (Pro forma) $ 457 Demand 135 $ millions CAI: Price / Mix 158 Inflation (120) SEM: Price / Mix 84 Inflation (65) Distribution: Price / Mix 318 Inflation (304) Net Price Benefit 71 Wage Inflation and Overtime (39) Other Supply Chain Costs (15) COVID Response Applications (12) Synergies 44 Incentives, FX, Other Employee Costs (60) Full Year 2021 $ 581 • Demand impact driven by growth in key focus areas: sustainable solutions, healthcare, composites and growth in Asia / LATAM • Price increases more than offset raw material and supply chain impacts FULL YEAR 2021 EBITDA BRIDGE SPECIALTY EBITDA MARGIN EXPANSION 9 (1) 2018-2020 financial information is pro forma to include a full year of Clariant Color business 15.3% 15.2% 16.2% 17.0% 2018 2019 2020 2021 14.8% 15.2% 17.6% 17.8% 2018 2019 2020 2021 SEM • Record margins in 2021 despite unprecedented supply chain challenges • Continued portfolio transformation to high-growth end markets and sustainable solutions • Clariant Color synergy realization • Investments in composites and outdoor high performance applications drove growth and mix improvements • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $54 million of synergies realized in 2021 • Acquisition completed on July 1, 2020 for $1.45 billion. Purchase price multiple rapidly declining on strength of business and synergy capture 10 $133 $205 2019PF 2021 10 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.1x 2019PF 2021 2021 w/ Full Synergies 11.9% 16.2% 2019PF 2021 EBITDA Margins CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION (1) Financial information is pro forma to include a full year of Clariant Color business ($ millions) Initial Synergy Estimate 2021 Synergy Realization Total Synergies Expected Administrative $ 18 $ 29 $ 40 Sourcing 24 20 24 Operational 18 5 21 Total Synergies $ 60 $ 54 $ 85 CLARIANT COLOR INTEGRATION & COST SYNERGIES UPDATE 11 • Integration going extremely well: synergy target increased to $85 million at December 9th Investor Day • Relentless focus on guiding principles of safety first, employee collaboration and exceeding customer expectations • Future revenue synergies are not part of these estimates and represent additional growth over the long term SUSTAINABILITY FOR A BETTER TOMORROW • Revenue from sustainable solutions grew 16% in 2021 and expected to grow 8-12% in 2022 as our innovation efforts and collaboration with customers accelerates • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options *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 2016 2017 2018 2019 2020PF** 2021 $405M $455M $550M $790M Revenue From Sustainable Solutions* 2016-2021 $915M $340M PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $16 million raised since 2010 Diversity & Inclusion 13 Q4 2020 $997 $80 Sustainable Solutions 23 12% 8 Healthcare 53 43% 9 Composites 7 22% 2 Growth in Asia / LATAM 14 10% 3 Other 118 23% 2 Sub-total $1,212 22% $104 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 9 Incentives, FX, Other Employee Costs (10) (13) Q4 2021 $1,202 21% $85 Q4 2021 SALES AND OPERATING INCOME 14 Sales Growth Rate Operating Income$ millions Q4 EBITDA BRIDGE 15 Price increases more than offsets raw material and supply chain impacts Q4 2020 $ 118 Demand - $ millions CAI: Price / Mix 62 Inflation (45) SEM: Price / Mix 25 Inflation (20) Distribution: Price / Mix 114 Inflation (109) Net Price Benefit 27 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 9 Incentives, FX, Other Employee Costs (13) Q4 2021 $ 126 Transportation (5)$ Outdoor High Performance (3) Other 8 Total Demand - Q4 2021 SEGMENT PERFORMANCE 16 $526 $581 SEM Distribution $58 $61 + 11% + 6% $305 $425 $18 $22 + 39% + 22% $191 $228 $30 $29 + 19% - 3% 2022 O U TLO O K REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate 2022E Growth Rate Sustainable Solutions 8–12% 12% Healthcare 8–10% 10% Composites 10% 3% Asia / LATAM 5% 6% Other (GDP growth) 2–3% 2–3% Avient 6.5% 6% 18 Excluding Outdoor High Performance 13% (7.5% excl. We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Color revenue synergies, that will drive long-term revenue growth in excess of GDP o Clariant color cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.

I look forward to sharing more details in our third quarter earnings call and at our upcoming investor day in New York City on December 4th." 3 Sustainability Report Release The company also announced the release of its latest Sustainability Report, now available at www.avient.com/sustainability. The report provides an update on Avient's contributions and impact in creating a more sustainable future, including progress that the company has made towards its 2030 goals. Sustainability is a responsibility we have to all of our stakeholders, and it is a growth driver for our company as we enable our customers to achieve their sustainability goals, ultimately creating value for our shareholders," explained Ms.

Mevopur™ Healthcare Bio-based Polymer Solutions for Medical Devices and Pharmaceutical Packaging Manufacturers of medical devices and pharmaceutical packaging are increasingly faced with the challenge of integrating sustainability into the design of their products. Avient provides pre-tested color and additive concentrates based on bio-polymers to minimize the risk of non-compliance and support a more sustainable profile for plastic products used in the healthcare industry. KEY CHARACTERISTICS • Available for polyethylene, polypropylene, ABS, polycarbonate and styrenics • Bio-content of resin carrier varies from 70% to 100% depending on polymer—calculated to ASTM D6866 standard • Manufactured at four ISO 13485 certified sites, providing global consistency and security of supply • Documented change control beyond CAS number, reducing risk of change • Drop-in solutions that can be processed like fossil-based grades on common injection molding and extrusion machines • Can be provided as ready-to-use pre-colored or additive formulation REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 - USP and (incl. class VI) - European Pharmacopeia, monograph 3.1.3/ 3.1.5 (polyolefin packaging materials) - USP (polyethylene) - Elemental impurities as per ICH Q3D • Registered Drug Master File (Type III) and/or Device Master File • Food contact according to US FDA and APPLICATION BULLETIN Sustainability Spotlight Bio-polymers Healthcare use limitations apply—see below.

OUR VISION At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. We create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. WHAT WE DO: MATERIAL SCIENCE CUSTOM FORMULATION SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales *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 17th Specialty Chemicals SUBINDUSTRY 21/124 17th ISS March 2022 ESG Scores SCORE (1 = Best, 10 = Worst) Environmental 2 Social 1 Governance 4 777 F I RS T Q UART E R 2022 RE S U LT S $123 $136 $0.89 $0.99 Q1 2022 PERFORMANCE 9 $1,162 $1,294 (+ 14% excluding FX) Adjusted EPS (+ 15% excluding FX) (+ 16% excluding FX) (in millions) (in millions) Sales Adjusted Operating Income Q1 2022 SEGMENT PERFORMANCE 10 CAI $609 $650 SEM Distribution $89 $95 + 7% (+ 10% excluding FX) $363 $433 $24 $24 + 19% Flat $217 $245 $34 $40 + 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.

Energy: o Diesel Fuel Consumption: 4,754,671 kWh o Natural Gas Fuel Consumption: 184,415,668 kWh o Renewable Energy Consumed - Self Generated (solar): 260,378 kWh o Renewable Energy Consumed - Self Generated (Wind): 2,554,186 kWh o Grid Electricity Consumed: 436,400,546 kWh Page 2 WATER RESOURCES • ENVIRONMENTAL SERVICES • INDUSTRIAL HYGIENE  •  SAFETY  •  SUSTAINABILITY  Apex Companies, LLC • (800) 733‐2739 • www.apexcos.com  o Renewable Energy Credits (REC) Purchased: 100,691,000 kWh o Renewable Electricity Consumed – Offsite: 128,982,866 kWh Period covered by GHG emissions verification:  January 1, 2022 to December 31, 2022 GHG Reporting Protocols against which verification was conducted:  World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Greenhouse Gas Protocol, Corporate Accounting and Reporting Standard, Revised Edition (Scope 1 and 2) and the GHG Protocol Scope 2 Guidance, an amendment to the GHG Protocol Corporate Standard  WRI/WBCSD Corporate Value Chain (Scope 3) Accounting and Reporting Standard Verification Protocols used to conduct the verification:  ISO 14064-3 Second Edition 2019-04: Greenhouse gases - Part 3: Specification with guidance for the verification and validation of greenhouse gas statements  Apex’s standard procedures and guidelines for external Assurance of Sustainability Reports and International Standard on Assurance Engagements (ISAE) 3000 Revised, Assurance Engagements Other than Audits or Reviews of Historical Financial Information (effective for assurance reports dated on or after Dec. 15, 2015), issued by the International Auditing and Assurance Standards Board. Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • INDUSTRIAL HYGIENE  •  SAFETY  •  SUSTAINABILITY  Apex Companies, LLC • (800) 733‐2739 • www.apexcos.com  Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services.

Vinod Purayath is Senior Vice President and Chief Technology Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Purayath joined Avient in 2021to lead the development of emerging, next-generation and sustainable technologies globally for the company.

LEADING CONSUMER PRODUCTS OEM W A T E R P I T C H E R H A N D L E • Access to the latest colors & effects for inspiration and assistance with brand aesthetics • Meet sustainability expectations while maintaining product and brand integrity • Accelerate product development timeline to meet aggressive commercial deadlines • Offered blue marble effect in Oceanworks PS • Developed a proprietary blue marble aesthetic in a recycled PS, meeting brand and sustainability expectations • Expedited product development to satisfy ambitious timeline requirements • Provided ongoing inspiration and global support throughout the process OnColor™ (Remafin™) Polymer Colorants for polyolefins KEY REQUIREMENTS WHY AVIENT?