The virtual Annual Meeting platform is fully supported across browsers and devices running the most updated version of applicable software and plugins. We also provide other benefits such as medical, dental, life insurance and disability coverage to each United States-based Named Executive Officer, which are identical to the benefits provided to all other eligible United States-based employees (as defined in the plan document). Eligible earnings for employees outside of the United States were converted to United States Dollars by applying the applicable exchange rates in effect on December 31, 2021.

Buyer will reimburse Seller for all federal, state, local or other taxes (other than income taxes), excises or charges, including superfund taxes and fees, which Seller may pay in connection with the manufacture and supply of Product, but only those amounts not already included in the price at the commencement of this contract. 8. Buyer assumes all risks and liabilities arising out of unloading, discharge, storage, handling and use of the Product, or arising out of compliance or non-compliance with federal, state, municipal or local laws and regulations governing or controlling such activity, except to the extent, if any, attributable to Seller’s gross negligence or willful misconduct. Either party may suspend performance hereunder (except to pay for Product already received) in the event of: (1) acts of God, fire, explosion, flood, hurricanes; (2) strikes, lockouts or other industrial disturbances or riots; (3) war, declared or undeclared, or acts of terrorism; (4) compliance with any Federal, state, provincial, municipal or military law, regulation, order, or rule, foreign or domestic, including priority, rationing, allocation or preemption orders or regulations, or cancellation of Seller’s or Buyer’s license to operate its plant; (5) catastrophic failure of facilities used to manufacture Product, interruption or shortage of transportation, labor, power, fuel or raw materials; (6) total or partial shutdown due to Seller’s normal plant turnaround; or (7) any other cause or causes of any kind or character reasonably outside the control of the party failing to perform, whether similar or dissimilar from the enumerated causes (a “force majeure”).

Garratt President, Performance Products and Solutions PolyOne Corporation Page 48 2014 Revenue by Industry Segment 2014 Revenues: $0.8 Billion At a Glance Performance Products & Solutions 80% 14% Latin America 4% Building & 33% Electrical & 1% 11% 5% Transportation 18% Wire & Cable 16% PolyOne Corporation Page 49 What We Have Delivered 4.3% 6.3% 7.2% 7.7% 2011 2012 2013 2014 Operating Margin $28 $39 $56 $63 2011 2012 2013 2014 Operating Income ($M) •Relentless focus on portfolio mix optimization •Lean Six Sigma drives operational excellence • Innovating in new markets such as healthcare •Expanding presence in Mexico and China Performance Products & Solutions PolyOne Corporation Page 50 $96 $109 2006* 2014 To Value Gross Margin ($ in millions) +13% 1,431 1,124 2006* 2014 From Volume… (lbs in millions) -21% Performance Products & Solutions *2006 = Near peak housing PolyOne Corporation Page 51 Accelerating Growth Market Growth/ Megatrends Innovation Collaboration Geographic Expansion Performance Products & Solutions PolyOne Corporation Page 52 Who We Are Growing With Performance Products & Solutions PolyOne Corporation Page 53 Geographic Growth Opportunities Mexico represents growth, spurred by: • Robust demand in Automotive • Re-shoring from Asia • PolyOne collaboration China is a $2B PVC market; 2nd largest in the world: • A new tax license enables domestic (vs. export) business • We have expanded capacity • We are investing in capability Performance Products & Solutions PolyOne Corporation Page 54 Addressable Market ($ millions) $300 $150 $200 Innovation Pipeline Potential Performance Products & Solutions Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 0 2 0 1 0 3 0 1 1 1 5 3 1 1 1 Breakthrough Platform Derivative PolyOne Corporation Page 55 Megatrends Aligned with Key End Markets Increasing Energy Efficiency Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer Performance Products & Solutions PolyOne Corporation Page 56 Healthcare Solutions LED Lighting Key Initiatives Eco-Conscious Solutions $25M Revenue potential $30M Revenue potential $60M Revenue Potential Performance Products & Solutions PolyOne Corporation Page 57 Platinum Vision 4.3% 6.3% 7.2% 7.7% 10-12% 2011 2012 2013 2014 2020 Platinum Vision World Class Operating Margin Accelerating Growth Performance Products & Solutions Market Growth/ Megatrends Innovation Collaboration Geographic Expansion PolyOne Corporation Page 58 Summary • Business evolution from volume to value • Business is at an inflection point • Growth will be driven by:  Economic & Megatrend alignment  Innovation  Collaboration across PolyOne  Geographic sales expansion in China and Mexico Performance Products & Solutions PolyOne Corporation Page 59 PolyOne Distribution Mark Crist President, Distribution PolyOne Corporation Page 60 At a Glance PolyOne Distribution 15% 52% 2006 2014 Key Suppliers 2014 Revenues: $1.1 Billion ROIC Building & 13% Electrical & 23% 15% 4% 25% http://www.avient.com/Pages/VariationRoot.aspx PolyOne Corporation Page 61 What We Do Processing Expertise World-Class Supply Chain Deep Customer Relationships Market Consultation Right the First Time… Every Time PolyOne Corporation Page 62 What We Have Delivered 2.6% 3.5% 4.6% 6.4% 6.1% 2006 2008 2010 2012 2014 Operating Margin $19 $28 $42 $66 $68 2006 2008 2010 2012 2014 Operating Income ($M) • World class supplier line card • Differentiating with service and operational excellence • Key portfolio additions with DuPont, Bayer and Ineos • Value based selling and discipline PolyOne Distribution PolyOne Corporation Page 63 Accelerating Growth PolyOne Distribution Market Growth/ Megatrends Commercial Investment Cross-Selling & Collaboration Growth in Targeted Areas PolyOne Corporation Page 64 Who We Are Growing With PolyOne Distribution PolyOne Corporation Page 65 Megatrends Aligned with Key End Markets Increasing Energy Efficiency Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Distribution PolyOne Corporation Page 66 Geographic Growth Opportunities • Currently 10% of POD’s revenue is generated from Mexico • Existing business is served “from the border” • New Mexico district & warehouse will drive transportation growth in Central Mexico • Expansion in China resulted from growing with our NA HC customers • Investing in sales deployments • Localizing supply • Gaining Share PolyOne Distribution PolyOne Corporation Page 67 Going Beyond Distribution WeatherTech® – Polymer BumpStep® BEDRUG™ – Tri-fold Truck Bed Cover CeQur PaQ – Type 2 Insulin Delivery Device PolyOne Distribution PolyOne Corporation Page 68 Platinum Vision 2.6% 4.6% 6.1% 6.5 - 7.5% 2006 2010 2014 2020 Platinum Vision World Class Distribution Margin Accelerating Growth PolyOne Distribution Market Growth/ Megatrends Commercial Investment Cross-Selling & Collaboration Growth in Targeted Areas PolyOne Corporation Page 69 Summary • Motivated and well trained POD sellers making the calls / collaborating with other PolyOne businesses • Representing a world class supplier line card • Delighted customers and suppliers who choose us to represent them PolyOne Distribution PolyOne Corporation Page 70 Financial Highlights Bradley C.

The virtual Annual Meeting platform is fully supported across browsers and devices running the most updated version of applicable software and plugins. We also provide other benefits such as medical, dental, life insurance and disability coverage to each United States-based Named Executive Officer, which are identical to the benefits provided to all other eligible United States-based employees (as defined in the plan document). Annual salary for employees outside of the United States was converted to United States Dollars by applying the applicable exchange rates in effect on December 31, 2022.

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. EPS (ex Amort) 3.96$ 0.13$ 4.09$ (0.58)$ 3.51$ Pro Forma Leverage (12/31/2022E) Net Debt / Adjusted EBITDA 1.6x 3.4x 2.8x Forecast Dyneema Forecast + Dyneema Sale of Distribution Pro Forma 2022 TWO-YEAR LEVERAGE MODEL 16 3.5x 2.7x 1.6x 2.8x 2.4x 2.0x 2019PF 2020PF 2022E 2022PF 2023E 2024E Dyneema® AcquisitionClariant Color Acquisition (1) Pro forma for the acquisition of the Clariant Color business (2) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution, including repayment of senior notes due 2023 and Term Loan (1) (1) (2) OUR SPECIALTY JOURNEY CONTINUES 17 • Dyneema® brings leading technology and brand with the World’s Strongest Fiber™, deep history of application development and strong management team focused on specialty applications • Dyneema® transaction is aligned with our previously stated acquisition goal of expanding our composites and fiber capabilities • Similar to our other technology expansion acquisitions, Dyneema® allows us to leverage our invest-to-grow strategy • The possible sale of our Distribution business also presents potential benefits with respect to leverage and EBITDA margins 46% 66% 86% 100% 0% 40% 60% 80% 100% 2005 2010 2015 2021 2022 PF % o f A dj u st ed E B IT D A (1 ) JVs Distribution Performance Products & Solutions Specialty (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and potential divestiture of Distribution (2) Building & 43% 14% Telecom. 2006 2022 Pro forma Building & Telecom.

ตดิตอ่ฝ่ายกฎหมายของ Avient หากคณุมีคำ�ถามใด ๆ ที่เกี่ยว กับความถูกตอ้งของการปฏิบัติ ใด ๆ ที่คณุกำ�ลังครุน่คดิ 8 การอ้างอิงด่วน: สิง่ท่ีต้องกระทำ�และสิง่ท่ีต้องไม่กระทำ� สิง่ท่ีต้องกระทำ� ✓ ดำ�เนินการเขียนรายงานถึงฝ่ายกฎหมายของ Avient ทันทีที่ ไดร้บัการตดิตอ่ของคูแ่ข่งในการรอ้งขอหรอืการส่ือสารเกี่ยวกับการตัง้ราคาหรอื ข้อมูลการแข่งขันอื่น ๆ ✓ ดำ�เนินการตดับทสนทนาใด ๆ ที่คูแ่ข่งยกขึน้มาพูดเกี่ยวกับเรือ่งการตัง้ราคา หรอืหัวข้อที่ตอ้งห้าม และเขียนรายงานบทสนทนาน้ันไปที่ฝ่าย กฎหมายของ Avient ✓ บันทึกเอกสารเกี่ยวกับแหล่งที่มาและวนัที่ของการไดร้บัรายการราคาของคูแ่ข่งทัง้หมดและข้อมูลการแข่งขันอื่น ๆ จัดเก็บในแฟ้มของคณุ ✓ ออกจากการประชุมใด ๆ ที่คูแ่ข่งหารอืเรือ่งราคาและลูกคา้ทันที ทันทีที่ออกมา ให้จดเวลา สถานที่ บุคคลที่เกี่ยวข้องกับการหารอื ลงนามและ ลงวนัที่ ในบันทึกและส่งไปที่ฝ่ายกฎหมายของ Avient ✓ ดำ�เนินการปรกึษากับฝ่ายกฎหมายของ Avient ก่อนการทำ�ธุรกิจการคา้กับคูแ่ข่ง สิง่ท่ีต้องไม่กระทำ� × ห้ามมิ ให้หารอืกับคูแ่ข่งเรือ่งราคา ( ในอดตี ปัจจุบัน อนาคต) ยุทธศาสตรร์าคา การประมูลหรอืการเสนอราคา เงือ่นไขหรอืข้อกำ�หนดในการ ขาย ลูกคา้ หรอืความชอบ × ห้ามมิ ให้แลกเปลีย่นราคาหรอืข้อมูลการแข่งขันอื่น ๆ กับคูแ่ข่งทัง้โดยตรงหรอืผ่านตวักลาง × ห้ามมิ ให้ถามคูแ่ข่งเกี่ยวกับการตัง้ราคาหรอืข้อมูลการแข่งขันอื่น ๆ หรอืส่ือสารกับคูแ่ข่งเกี่ยวกับราคาปัจจุบันหรอืราคาคาดหวงัของบรษัิท เมื่อมีการรอ้งขอหรอืจะไม่มีการรอ้งขอก็ตาม × ห้ามมิ ให้หารอืกับคูแ่ข่งใด ๆ เกี่ยวกับลูกคา้ที่บรษัิทไม่ตอ้งการขาย หรอืผู้ผลิตที่บรษัิทไม่ตอ้งการซือ้ × ห้ามมิ ให้เห็นดว้ยกับการแบ่งอาณาเขต ผลิตภัณฑ์ และลูกคา้กับคูแ่ข่ง × ห้ามมิ ให้เห็นดว้ยกับการกระตุน้หรอืบอกให้บุคคลอื่นใดทำ�ธุรกิจกับผู้อื่น × ห้ามมิ ให้ปรกึษาแผนยุทธศาสตรท์ี่เฉพาะเจาะจงหรอืข้อมูลการตลาด รวมถึงกำ�ลังการผลิตหรอือรรถประโยชน์ การพัฒนาส่ิงอำ�นวยความ สะดวก ผลิตภัณฑ์ ในอนาคต หรอืแผนการตลาดหรอืข้อมูลการแข่งขันที่เป็นความลับอื่น ๆ หากคุณพบว่าตัวคุณเองอยู่ ในท่ี ท่ี คู่แข่งยกประเด็นเหล่าน้ี ขึ ้ นมา ให้ออกจากห้องน้ันโดยทันที ติดต่อฝ่ายกฎหมายของ Avient เม่ื อมี โอกาสเป็ นอย่างแรก และบันทึกเหตุการณ์ดังกล่าว 9 www.avient.com อเมรกิาเหนอื Global Headquarters Avon Lake, United States 33587 Walker Road Avon Lake, OH, United States 44012 หมายเลขโทรฟร :ี 1-866-765-9663 โทรศพัท:์ 1-440-930-1000 โทรสาร +440 930 3064 เอเช ยีแปซ ฟิ กิ Regional Headquarters Shanghai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China โทรศพัท:์ +86 (0) 21 6028 4888 โทรสาร +86 (0) 21 6028 4999 อเมรกิาใต ้ Regional Headquarters Sao Paulo, Brazil Av.

General Policy: The Board of Directors of Avient Corporation (the “Company”) has determined, consistent with the Company’s Code of Conduct, that it is the Company’s policy to comply with all applicable federal and state securities laws, including those relating to buying or selling securities of the Company. Procedures for Covered Employees: The general policy stated above applies to all employees.

They are in addition to and are not intended to change or interpret any federal or state law or regulation, including the laws of the State of Ohio, the Company’s Amended and Restated Articles of Incorporation or Regulations, or any committee charter reviewed and approved by the Board.

If Buyer has an alleged claim with respect to a particular portion of the Products stated in Seller’s 3.2 Die Gewährleistungsansprüche verjähren in 12 Monaten ab Gefahrübergang. Buyer will sign a reasonable confidentiality agreement upon request and ensure its employees are bound by at least equally restrictive confidentiality obligations as those stated herein. If Buyer has an alleged claim with respect to a particular portion of the Products stated in Seller’s order confirmation, such alleged claim does not entitle Buyer to reject the entire delivery of the Products.

1) Adjusted earnings per share reported in this proxy statement diffeff rs from what is reported under United States Generally Accepted Accounting Principles (“GAAP”). Thereforff e, our Board recommends that you vote forff an annual Say on Pay vote, for the reasons stated below. We also provide other benefitsff such as medical, dental, life insurance and disability coverage to each United States-based Named Executive Officer, which are identical to the benefitff s provided to all other eligible United States- based employees (as definff ed in the plan document).