Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets.2 T RAN S FO R MAT IO NAL OVE RV IE W Avient Protective Materials Dyneema ® RECENT TRANSACTIONS Acquired Divested $1.45 B $0.95 B 4 Distribution UPDATED CAPITAL STRUCTURE & LIQUIDITY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cash $544 Undrawn Revolver $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 5 PREVIOUS TRANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 6 • 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 • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion. Ops Pro Forma Adjusted EPS (in millions) (in millions) 20 SUMMARY • Executed the plans we laid out earlier this year • Completed the Dyneema acquisition and Distribution divestiture amid challenging market conditions • Paid down debt and expect to finish the year modestly levered at 3.1x net debt to 2022 pro forma adjusted EBITDA • Expect $200 million of free cash flow in 2022 • Entering an economic slowdown with a portfolio that is better positioned than ever before • Updated our EPS guidance to $2.60 from continuing operations SEGMENT DATA U.S. & Canada 40% EMEA 35% Asia 20% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 21% Packaging 23% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE (1) Total company adjusted EBITDA of $585M includes corporate costs.

PREPERM™ Solutions for Healthcare Technology APPLICATION BULLETIN PREPERM DIELECTRIC MATERIAL FAMILY Optimized material properties for each RF application GAME-CHANGING PREPERM SOLUTIONS Tissue-mimicking phantom materials​ PREPERM material permittivity can be adapted to the Dk of the human body at various frequencies.

Dyneema® Launches New Website and Brand Identity, Showcasing the Strengths It Brings to Its Value Chain

This is where dope-dyeing and Avient’s colorant technology, along with Coloro’s colors, can help. Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports   Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy    

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 3 AVIENT OVERVIEW OUR VISION: Creating specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world 2023 Financial GuidanceCompany Overview Revenue By: 9,700 Employees 104 Manufacturing Sites 20,000+ Customers Key Highlights  Premier formulator of specialized and sustainable material solutions  Asset-light business model, with flexibility to adapt to customer needs  Best-in-class technology and service (140+ PhDs / 2,500+ patents)  History of transformation through successful M&A while consistently returning cash to shareholders  Poised for continued future growth in excess of GDP $3.13B Revenue $2.30 Adjusted EPS $500M Adjusted EBITDA 16.0% Adjusted EBITDA Margins $180M Free Cash Flow Over $1B in share buybacks since 2011 Raised dividend for 13 consecutive years, a 15% CAGR since 2011 U.S. & Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 5% 6% 8% 24% 20% 10% 15% 9% 4% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. WHAT WE DO: WE ARE A FORMULATOR 6 CUSTOM FORMULATION N OVE MBE R 2 , 2023 W E BCAS T P RE S E N TAT I O N Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 8 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations9 10 AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES 10 Q 3 P E RFO RMAN CE 15.4% 16.3% 2022 PF 2023 Results vs.

Composite Heat Release Technology for Firearm Barrels Firearm manufacturers are constantly seeking new and innovative ways to improve performance and overall customer appeal. Avient’s Composite Heat Release technology leverages the concept of thermal inertia to reduce internal barrel temperatures. THE BOTTOM LINE Barrels made with Composite Heat Release technology can be lighter, heat slower, and cool faster than traditional steel or carbon-wrapped steel barrels.

AUTOMOTIVE COLOR DESIGN & TECHNOLOGIES TECHNOLOGY GUIDE This guide was created as a handy reference tool for automotive designers.

Keren Technologies (M.Y) Ltd 1st Haosher St. Technology Center Manufacturing Plant Dyneema® Changes the Game of Fabric Engineering Yet Again with New Composite Technology...

Homepage // News Center // PolyOne Invests in its GSDI Specialty Dispersions Assets and Technology

Polymeric, high molecular weight fluoropolymers are too large to cross biological membranes. Retired Chief Technology Officer, Colgate-Palmolive Company Gregory J. Polymeric, high molecular weight fluoropolymers are too large to cross biological membranes.