Estane 58315-035P additive conc. natural

Similar to other resin systems, the addition of a color pigment may lower mechanical properties.

Adding to their versatility, formulations can be designed using colors and specialty additives to meet specific needs.    

Patterson Page 46 United States 67% Europe 17% Canada 11% Asia 5% United States 60% Europe 19% Canada 9% Asia 7% Latin America 5% Customer-Driven Globalization 2006 2011* *Pro forma for the acquisition of ColorMatrix • Differentiated by our consistent service and quality offerings globally • Invested in global account management organization to serve over 100 multinational key accounts Page 47 • Leverage technology development and best practices to better serve global customers • Drive global marketing strategies for growth with target customers & markets Formation of Global Segments in 2010 • Accelerate decision making and assure consistent execution of four pillar strategy for growth with target customers & markets Page 48 Recent Investment Activity • 67% of recent commercial additions are outside the U.S �Focus areas of expansion in Eastern Europe, Russia, Asia, and South Africa �Megatrend toward lighter-weight packaging supports accelerated growth in barrier supports accelerated growth in barrier additive technologies • Gained foothold in Brazil through Specialty platform with acquisitions Page 50 Critical Imperatives • Focus on global key accounts, and continue investment in commercial resources supporting multinational accounts • Strengthen our presence in emerging markets• Strengthen our presence in emerging markets • Accelerate growth in Asia • Pursue appropriate acquisition opportunities Page 51 Page 52

In addition, these technologies can exceed the core benefits of commodity resins and engineering thermoplastics by providing greater design freedom, ease of colorability, and efficient processing. PROCESSING OPTIONS Additive Manufacturing Many companies are producing 3D printed parts from high-performance polymers for specialized aerospace, medical and industrial applications. Avient can offer colorant and additive solutions that are focused on these high-performance polymer resins and tailored for your requirements.

In addition, the Board shall determine that a director is not independent if the director: A. Service on Other Boards A director who is an executive officer of the Company may, with the permission of the Board, serve on only one additional public company board. Other directors may, with the permission of the Board, serve on an additional three public company boards.

In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans Van Hulle Senior Vice President, President of Global Color Additives and Inks Robert M. McAlindon Senior Vice President, President of Designed Structures and Solutions Fernando Sanchez Global Director of Marketing Global Color and Additives Craig M.

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 41% 36% 18% 5% 7% 7% 23% 19% 9% 16% 10% 5% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 CRE AT ING A WORL D-CL AS S S US TAINABL E ORGANIZ AT ION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. In addition, operating income before the effect of special items is a component of Avient’s annual incentive plans and is used in debt covenant computations. Free Cash Flow Calculation December 31, 2023 Cash provided by operating activities $ 201.6 Taxes paid on gain on sale of business 104.1 Adjusted cash provided by operating activities $ 305.7 Capital expenditures $ (119.4) Free cash flow $ 186.3 2 Three Months Ended December 31, Year Ended December 31, 2023 2022 2023 2022 Sales: Color, Additives and Inks $ 459.4 $ 490.8 $ 2,007.4 $ 2,355.0 Specialty Engineered Materials 259.8 300.8 1,138.2 1,044.4 Corporate (0.2) (1.2) (2.8) (2.5) Sales $ 719.0 $ 790.4 $ 3,142.8 $ 3,396.9 Operating income: Color, Additives and Inks $ 61.8 $ 44.3 $ 259.9 $ 301.0 Specialty Engineered Materials 29.4 35.2 142.5 140.1 Corporate (48.1) (79.1) (205.6) (197.8) Operating income $ 43.1 $ 0.4 $ 196.8 $ 243.3 Other expense, net: $ 4.3 $ (28.4) $ 5.8 $ (59.7) Depreciation & amortization: Color, Additives and Inks $ 22.2 $ 25.2 $ 98.3 $ 101.3 Specialty Engineered Materials 19.8 20.3 81.5 48.7 Corporate 2.2 3.1 9.0 12.5 Depreciation & amortization $ 44.2 $ 48.6 $ 188.8 $ 162.5 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 84.0 $ 69.5 $ 358.2 $ 402.3 Specialty Engineered Materials 49.2 55.5 224.0 188.8 Corporate (45.9) (76.0) (196.6) (185.3) Other expense, net $ 4.3 $ (28.4) $ 5.8 $ (59.7) EBITDA $ 91.6 $ 20.6 $ 391.4 $ 346.1 Special items in EBITDA 22.3 86.8 110.4 162.5 EBITDA - excluding special items $ 113.9 $ 107.4 $ 501.8 $ 508.6 APM pro forma adjustments - 8 months 2022* — — — 83.1 Pro forma EBITDA $ 113.9 $ 107.4 $ 501.8 $ 591.7 * Pro forma adjustment for January - August 2022 APM results (period before Avient ownership). 3 AVNT February IR Presentation_w_Non-GAAP Recs.pdf AVNT February IR Presentation.pdf Avient corporation�investor presentation DISCLAIMER Slide Number 3 Creating a world-class�sustainable organization Top-tier sustainability performance�and recognition Slide Number 6 Slide Number 7 Portfolio transformation Slide Number 9 END MARKET observations�(% of company sales) Regional observations�(% of company sales) Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Slide Number 20 Slide Number 21 Slide Number 22 2023 segment, end market and Geography Color, Additives & Inks Specialty Engineered Materials Slide Number 26 AVNT Q4 2023 Earnings Presentation.pdf AVNT Q4 2023 Earnings Presentation_For Website_with Non-GAAP.pdf IR Deck - AVNT-2023.12.31 (2.12.24 9PM Milestone February 12 0905 pm).pdf Attachment 3.26.24 - Public Lender Presentation Non-GAAP Attachments (005).pdf

We’ve since identified additional cost reduction opportunities and have updated our estimate to $75 million. There are significant revenue opportunities generated from the combined color and additive technology strengths of the two legacy companies. In addition, the cross- selling opportunities that leverage Avient’s Engineered Materials and Distribution segments will identify and deliver additional growth.

We’ve since identified additional cost reduction opportunities and have updated our estimate to $75 million. There are significant revenue opportunities generated from the combined color and additive technology strengths of the two legacy companies. In addition, the cross- selling opportunities that leverage Avient’s Engineered Materials and Distribution segments will identify and deliver additional growth.