In addition to identifying risk-reduction opportunities, we require each associate—as a condition of employment—to work safely and make safe decisions at all times.

Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 9,300 associates and is certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. We will uphold these values with the utmost integrity in all that we do. All figures are full year estimates.

At Avient, we are proud to be a part of the solution, supporting the shift from a linear economy to a circular economy and driving sustainability for all of our stakeholders. Nearly all municipalities in North America and Europe accept PET as part of their recycling programs. They should contain at least 25% recycled plastic in their manufacture by 2025 (for PET bottles), and 30% by 2030 (for all bottles).

Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 9,300 associates and is certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. We will uphold these values with the utmost integrity in all that we do. All figures are full year estimates.

User has all responsibility for full-scale testing and end-product performance. PolyOne shall have no liability for, and the customer assumes all risk and liability of, any use of the foregoing information and/or use or handling of any material relating to the foregoing information. User has all responsibility for full-scale testing and end-product performance.

If you are in the EU or UK, Avient has entered into an Intra Group International Data Transfer Agreement, under the terms of which all data importers outside the EU and UK are obligated to process and protect all personal information received from the EU or UK in accordance with the controller-to-controller standard contractual clauses (the “Clauses”), as approved by the European Commission. We also may need to share your personal information with other third parties such as recruiters, references or referrals, agencies that facilitate background checks, or consultants for the following reasons: • When it is necessary to involve a third-party service provider to facilitate or extend recruitment services, background check processing, and similar services; • When explicitly requested by you; • As required by a court order or any other legal or regulatory requirement, including in response to requests from public and government authorities outside your country of residence; • Where necessary for our legitimate interests (including where required in the event of any reorganization, merger, sale, joint venture, assignment, transfer or other disposition of all or any portion of our business assets (e.g., in connection with any bankruptcy proceeding)), ; • To protect our operations or those of any of our affiliates; • To protect our rights, privacy, safety or property, or that of our affiliates, you or others; and • To comply with or in accordance with applicable law. If you choose to do so, employees from all the HR and responsible departments within the Avient group of companies will be able to access your profile according to this Notice and to contact you.

Connecting with all of a consumer’s senses through packaging can evoke anticipation of an indulgent event for the consumer.

A 3°–5° draft per side on all long draw areas is recommended. All passages should be highly polished circular cross sections with gentle bends to minimize the possibility of stagnation zones. All passages within Image provided by Mold-Masters Limited, Dura is a registered trade-mark of Mold-Masters Limited. 20 the tip should be highly polished and streamlined to minimize stagnation and degradation zones.

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Fourth Quarter and Full Year 2020 Results and Provides Guidance for 2021 Fourth Quarter Results • GAAP EPS from continuing operations of $0.81 compared to $0.08 in the prior year quarter • Record fourth quarter adjusted EPS of $0.52 increased 73% compared to $0.30 pro forma* in the prior year, driven by strong organic revenue growth in all segments, improved operating margins and synergy capture from the Clariant Masterbatch acquisition • Increased dividend for the 10th consecutive year to $0.85 a share on an annualized basis Full Year Results • Completed transformational Clariant Masterbatch acquisition and renamed the company as Avient • GAAP EPS from continuing operations of $1.46 compared to $0.97 in the prior year • Adjusted EPS increased 11% to $1.93 pro forma, on strength in healthcare, packaging and consumer end markets • Specialty Engineered Materials (SEM) segment delivered record operating income of $94 million, driven by growth in composites and demand for outdoor high performance applications CLEVELAND – February 9, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its full year and fourth quarter results for 2020. Examples include: • Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation • Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. See Attachment 3 for a definition and summary of special items and Attachment 7 for a summary of pro forma adjustments associated with the Clariant MB Acquisition necessary to reflect Clariant MB adjusted results in all periods presented.

$0.30 $0.52 Q4 2020 ORGANIC PERFORMANCE 3 Sales $922 $997 +8% Operating Income EPS $58 $80 +38% +73% • Record 4th quarter sales, adjusted operating income and adjusted EPS performance • All segments delivered year-over-year sales and operating income growth, led by consumer and healthcare end markets • Clariant Masterbatch integration synergy capture ahead of schedule: $5 million realized in 2020 ($ in millions except EPS) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Q4 2020 SEGMENT PERFORMANCE 4 Sales Operating Income $100 $100 $100 $922 $100 $100 $100 $997 Distribution CAI SEM Total 2019 2020 $178 $272 $490 $191 $305 $526 SEM Distribution CAI +8% +7% +7% +12% $5 $5 $5 $58 $5 $5 $5 $80 Avient CAI SEM Total $17 $19 $40 $18 $30 $58 Distribution SEM CAI +38% +45% +58% +6% (3) (3) (1) (2) (1) Total company sales include intercompany sales eliminations (2) Total company reflects adjusted operating income and includes corporate costs (3) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 2020 HIGHLIGHTS 5 • Completed transformational Clariant Masterbatch acquisition and created new brand name Avient • Increased pro forma adjusted EPS 11% from $1.74 to $1.93 as an essential supplier during the pandemic and due to growth in demand for consumer applications • Specialty Engineered Materials delivered record operating income on gains from composites • Achieved record free cash flow, increased dividend for 10th year in a row and delevered from 3.5x to 2.7x net debt to pro forma adjusted EBITDA • Culture is everything: Certified as a Great Place to Work® $133 $150 10% 23%8% 21% 4% 15% 2006 2020PF Healthcare Consumer Packaging Avient Portfolio Transformation 22% 59% CLARIANT MASTERBATCH: TRANSFORMATIONAL ACQUISITION Clariant MB EBITDA Growth Purchase Price Multiple 10.8 9.6 6.5 2019PF 2020PF 2020PF w/ Full Synergies • Acquisition of Clariant Masterbatch significantly expands presence in healthcare, packaging and consumer end markets • Strength of portfolio – 13% EBITDA growth as an essential supplier in COVID response and recovery • Acquisition completed on July 1, 2020 for $1.4 billion. With over 100 Avient production and distribution facilities, all operating with the rigor of Lean Six Sigma principles and excellence, we are proud to serve our valued customers wherever they need us. We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Masterbatch revenue synergies, that will drive 2021 revenue growth of 8% and long-term growth in excess of GDP o Clariant Masterbatch cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.