They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance and/or sales. USE OF NON-GAAP MEASURES PolyOne Corporation 3 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, Specialty platform operating income percentage, adjusted operating income, and return on invested capital. • 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.

from the sale will be used to pay down near-term maturing debt. They use words such as "will," "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales.

Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses They use words such as "will," "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales.

Seller has no liability for the failure of discharge or unloading equipment or materials used by Buyer, whether or not supplied by Seller. 12. Buyer acknowledges that the use of Product may be subject to requirements or limitations under Laws and Standards. Buyer shall be exclusively responsible for (i) ensuring compliance with all Laws and Standards associated with its intended use of Product; and (ii) obtaining all necessary approvals, permits or clearances for such use.

Examples include: • Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports • 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 is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

Kahler (16) Page 16 • Shifted sales compensation practices to drive value and margin expansion • Significantly upgraded and added sales, marketing, and From Volume to Value $2,622 $3,060 Sales ($ millions) 2006 2011PFadded sales, marketing, and technical resources • Expanded global cross-selling • Invested in training and tools 2006 2011PF 3.3% 6.8% 2006 2011PF Adjusted OI% ($ millions) 2006 2011PF 2006 2011PF Page 17 • Value pricing practices enabled by use of EVE tools • Shifting the basis of competition to specialization 1.5% 8.9% 2006 2011PF Specialty OI% Specialization Drives Margin Expansion 2006 2011PF 7.2% PPS OI% competition to specialization differentiates PolyOne as a value-added solutions provider • Redirecting our technology and marketing focus to the most attractive segments 2.6% 5.6% 2006 2011 POD OI% 5.5% 7.2% 2006 2011 2006 2011 2006 2011 Page 18 • Global key account management team focused on key markets and strategic OEMs • Drive growth in target markets through application development750 1,120 Total Commercial Employees 2007 – 2011 49% Increase Commercial Excellence – Recent Investments *Includes ColorMatrix through application development • Leverage breadth of solutions across all PolyOne platforms to identify innovative solutions for strategic OEMs and Tier 1 partners * 750 2007 2011 Sales Marketing R&D/Tech Page 19 5% 1% 0% 27% 2% 12% 4% Performance Dashboards Drive Execution 45% 26% 18% 5% 55% Page 20 53% Drivers of Customer Loyalty Customer Experience is Key to Customer Loyalty 53% Building Customer Loyalty n = 4,960 B2B customers of 24 companies Source: Corporate Executive Board Company and Brand Impact Product and Service Delivery Value-to- Price Ratio Customer Experience 19% 9% 9% 19% 19% 9% Page 21 • Continue to redirect our focus to more attractive segments and increase customer loyalty and retention • Leverage new commercial tools and investments to enable disciplined execution and accountability Critical Imperatives to enable disciplined execution and accountability • Position PolyOne as the differentiated value-added specialty solutions provider Drive improved mix in all segments and achieve margin and profitability growth Page 22 Page 23

En del exempel på våra affärsregister inkluderar: • Ny produktutveckling • Testresultat • Laboratorierapporter • Forskningsdata • Finansiella rapporter • Kostnadsrapporter • Räkningar • Tidanvändningsregister • Personalregister • Affärsplaner • Brev, nyhetsbrev, PM och e-post adresserade till anställda • Information som publiceras på The Loop Äganderättsskyddad och konfidentiell information inkluderar: • Affärsplaner och riktningsstrategier • Forsknings- och tekniska data • Produktrecept och processteknologier • Att vara engagerad i en produkt • Affärshemligheter, teknologier och ”know how” • Information om vår konkurrensposition • Opublicerad finansiell information och förutsägelser • Information om produktkostnader • Information om föreslagna kontrakt och transaktioner • Kund-, leverantörs-, prissättnings- och annan affärsinformation • Programvara och system utvecklade för våra affärer • All annan information som skulle kunna vara användbar för en konkurrent UPPFÖRANDEKOD | 13 INNEHÅLLSFÖRTECKNING INTRODUKTION VÅR UPPFÖRANDEKOD RESPEKT FÖR ALLA ÄRLIGHET PÅ ARBETET INTEGRITET I VÅRA AFFÄRER BOLAGETS SOCIALA ANSVAR RESURSER Vanliga frågor Fråga: Min manager är på semester, och i hennes frånvaro har jag blivit ombedd att skriva på ett kontrakt å bolagets vägnar. UPPFÖRANDEKOD | 14 INNEHÅLLSFÖRTECKNING INTRODUKTION VÅR UPPFÖRANDEKOD RESPEKT FÖR ALLA ÄRLIGHET PÅ ARBETET INTEGRITET I VÅRA AFFÄRER BOLAGETS SOCIALA ANSVAR RESURSER mailto:https://www.avient.com/company/policies-and-governance/it-systems-use-policy? Immateriella rättigheter, inklusive patent, varumärken, copyrights, affärshemligheter och know-how, måste planeras och hanteras med samma nivå av omsorg som varje annan värdefull tillgång.

Seller has no liability for the failure of discharge or unloading equipment or materials used by Buyer, whether or not supplied by Seller. 11. Buyer acknowledges that the use of Product may be subject to requirements or limitations under Laws and Standards. Buyer shall be exclusively responsible for (i) ensuring compliance with all Laws and Standards associated with its intended use of Product; and (ii) obtaining all necessary approvals, permits or clearances for such use.

Seller has no liability for the failure of discharge or unloading equipment or materials used by Buyer, whether or not supplied by Seller. 12. Buyer acknowledges that the use of Product may be subject to requirements or limitations under Laws and Standards. Buyer shall be exclusively responsible for (i) ensuring compliance with all Laws and Standards associated with its intended use of Product; and (ii) obtaining all necessary approvals, permits or clearances for such use.

Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering Three Months Ended March 31, 2020 Net income from continuing operations – GAAP $ 33.1 Special items, after tax (1) 8.6 After tax interest income earned on equity proceeds, included in Interest expense, net (0.7) Adjusted net income excluding special items and impact of interest income on equity proceeds $ 41.0 Diluted weighted-average shares used to compute earnings per common share 86.7 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (9.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 77.4 Adjusted EPS - excluding special items and the net impact of equity offering $ 0.53 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to PolyOne shareholders, excluding special items, to assess performance and facilitate comparability of results. Avient Corporation 33 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. Reconciliation to Adjusted EPS Excluding Special Items and Impacts of February 2020 Equity Offering and May 2020 Debt Offering Three Months Ended June 30, 2020 Net income from continuing operations attributable to Avient common shareholders $ 23.0 Special items, after tax(1) 2.6 After tax interest expense, net arising from equity offering and debt offering proceeds 4.1 Adjusted net income excluding special items and impact of interest expense, net arising from equity offering and debt offering proceeds $ 29.7 Diluted weighted-average shares used to compute earnings per common share 91.8 Weighted-average impact of 15.3 million shares issued in February 2020 equity offering (15.3) Diluted weighted-average shares excluding impact of shares issued in February 2020 equity offering 76.5 Adjusted EPS excluding special items and impact of equity offering and debt offering $ 0.39 (1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.