Clark joined Avient in 2024 from Nouryon, a global specialty chemicals organization where he served as Chief Technology Officer.

Sequeira joined Avient in May 2024, bringing nearly 25 years of experience in information technology to this role.

What if you had access to additional resources that expand your design, development, testing, and technical capabilities? More importantly, we learn your vision for the product and what is most important for your success.

SOLVING YOUR TOUGHEST CHALLENGES No matter what short- or long-term challenges you face— improving performance and design, shifting to electrification, reducing weight, lowering emissions, and more—Avient’s industry knowledge, proven expertise, and a comprehensive portfolio of specialized and sustainable materials can help you solve them. DRIVING INNOVATION AND VALUE At Avient, we understand what you value and put our deep knowledge of polymers, formulations, and polymer processing to work for you.

Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows including without any limitation, any supply chain and logistics issues • Our ability to achieve the strategic and other objectives relating to the acquisition of Clariant’s Masterbatch business, including any expected synergies; • Changes in polymer consumption growth rates and laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • An inability to achieve the anticipated financial benefit from initiatives related to acquisition and integration working capital reductions, cost reductions and employee productivity goals; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Our ability to consummate and successfully integrate acquisitions; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors described in our Annual Report on Form 10-K for the year ended December 31, 2020 under Item 1A, “Risk Factors.” ColorWorks innovation centers are specially designed to foster imagination and enable creative exploration of innovative solutions • Focus on customers’ sustainability initiatives through recyclability and post-consumer recycled materials for packaging applications • Supports 8-12% long-term revenue growth expectations across our sustainable solutions portfolio 8 2020 Pro forma $870 $69 Sustainable Solutions 66 37% 26 Healthcare 29 20% 7 Composites 12 36% 6 Growth in Asia / LATAM 47 39% 11 Other 190 48% 22 Sub-total $1,214 40% $141 COVID Response Applications (15) (8) FX Impact 36 4 Synergies 11 Incentives, Travel, Other Employee Costs (26) 2021 Actual $1,235 42% $122 Q2 2021 ORGANIC SALES AND OPERATING INCOME 9 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Operating Income$ millions 10 Q2 2020PF Q2 2021 (2) Financial information is presented on a constant currency basis (1,2) (44% of total revenue) (56% of total revenue) Q2 END MARKET SALES PERFORMANCE +26% +38% +46% +103% +51% +9% +7% +67% Energy Telecom Building & Transportation Industrial Healthcare Packaging Consumer Q2 YEAR-OVER-YEAR EBITDA BRIDGE Q2 2020 Pro forma $ 106 Demand 69 11 EBITDA$ millions • Demand impact driven by growth in sustainable solutions and consumer products • Price increases more than offset raw material and supply chain impacts (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition CAI: Price / Mix 40 Inflation (32) SEM: Price / Mix 23 Inflation (18) Distribution: Price / Mix 81 Inflation (77) Net Price Benefit 17 Supply Chain Disruptions (14) COVID Response Applications (8) Synergies 11 Incentives, Travel, FX, Other (22) Q2 2021 Actual $ 159 Q1 2021 Actual $ 161 CAI: Price / Mix 32 Inflation (22) SEM: Price / Mix 15 Inflation (9) Distribution: Price / Mix 50 Inflation (48) Net Price Benefit 18 Supply Chain Disruptions (12) Demand / Seasonality (6) Other (2) Q2 2021 Actual $ 15912 EBITDA$ millions • Price increases more than offset raw material and freight inflation impacts • Demand impact driven by Q2 seasonality for the business Q1 TO Q2 SEQUENTIAL EBITDA BRIDGE Q 3 AN D FU LL Y EA R 2021 O U TLO O K $74 $98 $0.46 $0.68 ORGANIC GROWTH PROJECTIONS – Q3 14 Sales Adjusted Operating Income $925 $1,150 + 24% + 32% + 48% FULL YEAR GUIDANCE INCREASED 15 Sales Adj. Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2030 SUSTAINABILITY TARGETS 20 2021 AVIENT INVESTOR DAY 21 • Investor Day to be held December 9, 2021 in New York, NY • Company will provide updates on its key growth drivers with a deep focus on sustainable solutions Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites / 5G 10% Growth in Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% • Senior leadership team to also present on Clariant MB integration, M&A opportunities and capital allocation priorities PEER COMPARISONS 22 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

مدونة قواعد السلوك مدونة قواعد السلوك تاريخ الإصدار: أكتوبر 2024 جدول المحتويات 1 تنفيذي رسالة من المدير ال مدونة قواعد السلوك الخاصة بنا 3 المبادئ التوجيهية للسلوك الأخلاقي 3 القيم الشخصية 4 مسؤولياتك المسؤوليات الإضافية 4 Avient للمشرفين والمديرين في حل المسائل والإبلاغ عن 5 حالات عدم الامتثال 5 الخط الساخن للأخلاقيات 6 عدم الانتقام 6 تطبيق مدونة قواعد السلوك 6 مخالفات مدونة قواعد السلوك عيمجلل مارتحالا 8 التنوع والدمج 8 التمييز أو المضايقات 9 العلاقات في مكان العمل 10 إدمان المخدرات 10 الأمن المادي و العنف في مكان العمل لمعلا يف ةنامألا 12 بيانات، والسجلات الدقيقة المعلومات، وال 12 نزاهة المحاسبة 14 اتصالات الشركة 14 حماية الأصول واستخدامها حقوق الملكية وسرية المعلومات، 15 والأفكار والملكية الفكرية حماية الخصوصية، والمعلومات 16 بيانات الشخصية، وال استخدام شبكة الإنترنت 16 والبريد الإلكتروني وسائل التواصل الاجتماعي والشبكات 17 الاجتماعية الأمن الحاسوبي، تراخيص 17 البرمجيات وحقوق النشر 18 المعلومات الداخلية والتداول المساهمات والأنشطة 19 السياسية/والمساهمات الخيرية 19 التحقيقات والاستفسارات الحكومية انلمع يف ةهازنلا 21 التعامل العادل 21 الرشاوى والعمولات 22 الوكلاء والمستشارون 22 المنافسة 23 iالهدايا والاستضافة 24 تضارب المصالح 25 تعامل ذاتي تتنافر فيه المصلحة والواجب 25 التجارة الدولية 25 غسل الأموال ةيعامتجالا ةيلوؤسملا ةكرشلاب 27 الاستدامة 28 بيئة السلامة، والصحة، وال 29 سلامة المنتج والخدمة 29 احترام حقوق الإنسان 29 التزام مشترك لاصتالا تامولعمو دراوم 30 حول سياساتنا 30 موارد الأخلاقيات والامتثال 30 الخط الساخن للأخلاقيات رسالة من المدير التنفيذي لقرارات شركتنا آثار بعيدة المدى في عالم اليوم المعقد والمترابط.

MAGATARTÁSI KIADVA: 2024.

Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites 10% Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% Avient Corporation 14 Avient Corporation 15 Clariant: Better Together Norbert Merklein • Geographic footprint – Complementary not overlapping. Infrastructure Bill earmarks $65 billion for broadband buildout • US RDOF (Rural Digital Opportunity Fund) to support continued investment in fiber-to-the-home (FTTx) • Rapid data center growth to support exponential data consumption growth Avient Corporation 82 2018 - 2022 2021 - 2024 2022 - 2027 Co-locate radios with 4G towers 5G towers in new locations ( Future Revenue Growth Assumptions Avient Corporation 86 Growth in Asia, Woon Keat Moh Regional View Avient Corporation 87 U.S. & Canada 50% EMEA Asia 16% AVIENT GEOGRAPHY REVENUE REGIONAL ECONOMIC GROWTH 0% 1% 3% 6% 7% 2022 2023 2024 2025 GDP, Percent Change U.S.

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