 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  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 financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  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 or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. S&P 500 PolyOne Corporation Page 9 2006 Q1 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 16.2% 20%+ Global Specialty Engineered Materials 1.1% 16.3% 20%+ Designed Structures & Solutions 1.4% (2012) 2.7% 12 – 14% Performance Products & Solutions 5.5% 6.5% 10 – 12% Distribution 2.6% 5.9% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 69% 80%+ 3) ROIC 5.0% 11.4% 15% 4) Adjusted EPS Growth N/A 22 Consecutive Quarters of EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 10 Platinum Vision: Pathway to Accelerated Growth Organic Sales Growth Margin Expansion Share Repurchases Acquisitions PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 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 13 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 9 7 3 5 12 5 3 2 8 4 2 4 3 1 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 14 8 18 12 22 74 Addressable Market ($ millions) $700 $600 $600 $1,900 PolyOne Corporation Page 14 60% 98% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q1 2015 Pension Funding** As of March 31, 2015 Debt Maturities & Pension Funding Net Debt / EBITDA* = 2.1x $49 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2015 ($ millions) Coupon Rate: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2015 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased over 500k shares in Q1 2015  Repurchased 11.8 million shares since early 2013  8.2 million shares are available for repurchase under the current authorization PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne?

Avient Corporation ประกาศความเป็นส่วนตวัสําหรบัผูส้มคัรงาน เรายนิดทีีคุ่ณสนใจในการทํางานกบั Avient Avient Corporation และบรษิทัในเครอื (เรยีกรวมกนัว่า “Avient” “เรา” “พวกเรา” หรอื “ของเรา”) มุ่งมั่นทีจ่ะปกป้องความเป็นส่วนตวัและขอ้มูลส่วนบุคคลทีร่วบรวมจากผูส้มคัรงานผ่านขัน้ตอนการสมคัรงานทางออนไลนแ์ละชอ่งท างอืน่ ๆ ประกาศความเป็นส่วนตวัสําหรบัผูส้มคัรงานนี ้(“ประกาศ”) ระบุวธิทีี ่Avient รวบรวม ใช ้ หรอืเปิดเผยขอ้มูลส่วนบุคคลจากผูส้มคัรงานและผูส้มคัร (เรยีกรวมกนัว่า “คุณ”) เมือ่คุณเขา้ถงึหรอืใชเ้ว็บไซตห์างานของเรา รวมถงึ https://avient.referrals.selectminds.com/ (“เว็บไซต”์) ประกาศฉบบันีไ้ม่ครอบคลุมถงึการใชบ้รกิารของ Avient ในฐานะผูบ้รโิภคหรอืการใชเ้ว็บไซตแ์ละแอปพลเิคชนัของบุคคลทีส่ามใด ๆ ทีคุ่ณอาจม ี รวมถงึเว็บไซตใ์ดทีเ่ชือ่มโยงไปยงัเว็บไซตข์องเรา สําหรบัขอ้มูลเพิม่เตมิเกีย่วกบัวธิทีี ่Avient ประมวลผลขอ้มูลส่วนบุคคลของคุณสําหรบับรกิารเหล่านีแ้ละเว็บไซตข์องบุคคลทีส่าม โปรดเยีย่มชมคําแถลงความเป็นส่วนตวัของ Avient Corporation ซึง่มอียู่ที ่https://www.avient.com/company/policies-and-governance/avient- corporation-privacy-statement) กอ่นทีคุ่ณจะดําเนินการสมคัรต่อไป เราตอ้งการทีจ่ะแจง้ใหคุ้ณทราบสัน้ ๆ เกีย่วกบัวธิกีารทีเ่ราประมวลผลและปกป้องขอ้มูลส่วนบุคคลของคุณ โปรดอ่านประกาศฉบบันีอ้ย่างละเอยีดถีถ่ว้น โดยการส่งใบสมคัร เรซเูม่และ/หรอื CV ของคุณโดยใชเ้ครือ่งมอืการสมคัรออนไลนข์องเรา ขอ้มูลส่วนบุคคลของคุณจะไดร้บัการจดัการและปกป้องตามประกาศฉบบันี ้ เมือ่คุณไดส้่งใบสมคัรของคุณแลว้ คุณอาจจะเพิม่ขอ้มูลของคุณไปยงัคลงัผูส้มคัรทัว่โลกของเราได ้การทําเชน่นีจ้ะชว่ยให ้Avient สามารถแจง้ใหคุ้ณทราบถงึตําแหน่งทีน่่าสนใจอืน่ ๆ ทีคุ่ณอาจมคีุณสมบตัเิหมาะสม หากคุณมคีําถามใด ๆ เกีย่วกบัขอ้มูลส่วนบุคคลของคุณหรอืตอ้งการตดิต่อเราดว้ยเหตุผลอืน่ใด โปรดใชข้อ้มูลการตดิต่อทีใ่หไ้วด้า้นล่าง หน่วยงาน Avient ในพืน้ทีข่องเขตอํานาจศาลทีคุ่ณสมคัรงานจะทําหนา้ทีเ่ป็นผูค้วบคุมขอ้มูลเกีย่วกบัขอ้มูลส่วนบุคคลของคุณ 1.

Individual/sole proprietor or single-member LLC C Corporation S Corporation Partnership Trust/estate Limited liability company.

Seller may, during any period of shortage due to force majeure event, prorate, and allocate its supply of such materials among itself for its own consumption, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract in such a manner as may be deemed fair and reasonable by Seller. In such cases, regarding existing sales of Product, Seller may distribute Product among itself for its own uses, its subsidiaries, affiliated companies, its accepted orders, contract customers, and its regular customers not then under contract, in such manner as Seller deems fair and practicable.

& Canada 41% EMEA 36% Asia 18% Latin America 5% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 19% Packaging 23%Industrial 16% Building and Construction 9% Telecommunications 4% Energy 5% Defense 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) Transportation 10% Healthcare 7% 21 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2 0 2 3 R E V E N U E | $ 2 . 0 B I L L I O N US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 22 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR , AD DI TI VES & INKS 2 0 2 3 R E V E N U E | $ 1 . 1 B I L L I O N US & Canada 52% EMEA 35% Asia 13% 23 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPEC IA LTY ENGI NEER ED MATERI ALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2 0 2 3 AV I E N T R E G I O N A L S A L E S Packaging 25% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 9% Energy 5% Defense 8% EMEA (36% of sales)Transportation 13% Packaging 13% Consumer 22% Healthcare 10% Industrial 16% Building & Construction 12% Energy 6% Defense 8% US & Canada (41% of sales) Transportation 9% Packaging 59% Consumer 22% Healthcare 2% Industrial 8% Building & Construction 4% LATAM (5% of sales) Transportation 5% Telecommunications 4% Telecommunications 4% 24 B Y E N D M A R K E T Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) 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. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

Innovation is the lifeblood of a specialty company. Ops Pro Forma Adjusted EPS (in millions) (in millions) 25 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 APPENDIX Performance Additives 15% Pigments 13% TiO2 11% Dyestuffs 3%Polyethylene 12% Nylon 6% Polypropylene 5% Other Raw Materials 30% Styrenic Block Copolymer 5% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 27 • From Q2 to Q3, we have seen a 7-10% sequential decline in certain hydrocarbon-based raw materials • Other raw materials such as performance additives and pigments have shown moderate inflation sequentially from Q2 to Q3 Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Avient Protective Materials 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.

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and has a pending sale of the Distribution segment. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation.

Innovation is the lifeblood of a specialty company. Ops Pro Forma Adjusted EPS (in millions) (in millions) 25 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 APPENDIX Performance Additives 15% Pigments 13% TiO2 11% Dyestuffs 3%Polyethylene 12% Nylon 6% Polypropylene 5% Other Raw Materials 30% Styrenic Block Copolymer 5% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 27 • From Q2 to Q3, we have seen a 7-10% sequential decline in certain hydrocarbon-based raw materials • Other raw materials such as performance additives and pigments have shown moderate inflation sequentially from Q2 to Q3 Annual Purchases RAW MATERIAL AND SUPPLY CHAIN UPDATE Based on 2021 purchases, excludes Avient Protective Materials 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.

KODEX CHOVÁNÍ | 14 OBSAH ÚVOD NÁŠ KODEX CHOVÁNÍ RESPEKT VŮČI VŠEM POCTIVOST NA PRACOVIŠTI INTEGRITA PŘI NAŠEM PODNIKÁNÍ SPOLEČENSKÁ ODPOVĚDNOST FIRMY ZDROJE INFORMACÍ https://www.avient.com/company/policies-and-governance/it-systems-use-policy https://www.avient.com/company/policies-and-governance/it-systems-use-policy Informations exclusives et confidentielles ; idées et propriété intellectuelle Naše konkurenční výhoda by mohla být snadno zničena, kdyby někdo nepovolaný získal přístup k vlastnickým informacím, inovativním nápadům nebo duševnímu vlastnictví společnosti Avient a používal je pro vývoj konkurenčních produktů nebo získání našich zákazníků. KODEX CHOVÁNÍ | 21 OBSAH ÚVOD NÁŠ KODEX CHOVÁNÍ RESPEKT VŮČI VŠEM POCTIVOST NA PRACOVIŠTI INTEGRITA PŘI NAŠEM PODNIKÁNÍ SPOLEČENSKÁ ODPOVĚDNOST FIRMY ZDROJE INFORMACÍ mailto:https://www.avient.com/company/policies-and-governance/global-policy-anti-bribery-and-anti-corruption? KODEX CHOVÁNÍ | 27 OBSAH ÚVOD NÁŠ KODEX CHOVÁNÍ RESPEKT VŮČI VŠEM POCTIVOST NA PRACOVIŠTI INTEGRITA PŘI NAŠEM PODNIKÁNÍ SPOLEČENSKÁ ODPOVĚDNOST FIRMY ZDROJE INFORMACÍ https://www.avient.com/company/sustainability/sustainability-report https://www.avient.com/company/sustainability/sustainability-report http://Avient.com/sustainability https://www.avient.com/company/sustainability/sustainability-report/products/no-surprises-pledge-0 Otázky a odpovědi Otázka: Můj vedoucí mě požádal, abych se řídila novým postupem pro likvidaci odpadu, ale nejsem si jistá, jestli to je bezpečné nebo dokonce legální.

Neem onder deze omstandigheden onmiddellijk contact op met de bedrijfsfunctionaris inzake ethiek (ethics officer@avient.com) of de juridische afdeling (legal officer@avient.com). Neem contact op met uw juridische partner om een due diligence-beoordeling aan te vragen en zorg ervoor dat u schriftelijke goedkeuring hebt ontvangen voordat u met een vertegenwoordiger of derde partij werkt.