McHenry, Illinois Singapore, Singapore(b) 7. Malmoe, Sweden 7. Every year a select group of approximately 30 associates are handpicked to participate in this prestigious leadership development program and embark on an intense two year assignment which includes 7 weeks of training and multiple enterprise wide improvement projects.

McHenry, Illinois Singapore, Singapore(b) 7. Malmoe, Sweden 7. Every year a select group of approximately 30 associates are handpicked to participate in this prestigious leadership development program and embark on an intense two year assignment which includes 7 weeks of training and multiple enterprise wide improvement projects.

at 7% and Attachment 7

See Attachment 3 for a definition and summary of special items and Attachment 7 for a summary of pro forma adjustments associated with the APM Acquisition. Attachment 7

I am also pleased with the expansion of our sustainable solutions portfolio which is up 7% year-to-date versus last year," added Mr. Attachment 7

In 2020, we maintained world class safety performance and had our safest year ever with a recordable incident rate of 0.50, which is more than 7 times better than the U.S.

Jellison as a Director on October 7, 2015. ELECTION OF BOARD OF DIRECTORS 7 Richard H. 7) Mr.

We are Avient. 6 BETTER TOGETHER: POLYONE AND CLARIANT MASTERBATCH Key Financial Data (1) 2021E Sales $4.3 billion 2021E EBITDA $560 million 2021E Free Cash Flow $275 million 88% of EBITDA from specialty applications (1) As of April 30, 2021 webcast Synergies ($ millions) Three-Year Estimate Administrative $ 20 Sourcing 30 Operational 25 Total Synergies $ 75 7 CLARIANT COST SYNERGIES • On-track to realize $45 million of expected synergies in 2021 – up from previous estimate of $35 million • Relentless focus on guiding principles for acquisition integration: safety first, employee collaboration and exceeding customer expectations • Future revenue synergies in excess of $50 million by 2025 are not part of these estimates and represent additional growth over the long term 8 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. This innovation drives performance and is reflective of consistent, strategic investments in our portfolio…and people. 2020 Pro forma $991 $86 Sustainable Solutions 15 11% 6 Healthcare 28 22% 6 Composites 6 10% 3 Growth in Emerging Regions 44 30% 10 Other 53 10% 7 Sub-total $1,137 15% $118 FX Impact 25 - 2 Synergies - - 11 Incentives, Travel, Other Employee Costs - - (8) 2021 Actual $1,162 17% $123 Q1 2021 ORGANIC SALES AND OPERATING INCOME 18 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Operating Income$ millions 19 Wire & Cable Transportation Industrial Healthcare Packaging Consumer Q1 2020PF Q1 2021 (2) Financial information is presented on a constant currency basis (1,2) (42% of total revenue) (58% of total revenue) Q1 END MARKET SALES PERFORMANCE +17% +14% +8% +10% +8% +22% +5% +24% Q 2 AN D FU LL Y EA R 2021 O U TLO O K $69 $112 $0.42 $0.80 ORGANIC GROWTH PROJECTIONS – Q2 21 Sales Adjusted Operating Income $870 $1,100 + 26% + 62% + 90% (1) (1) (1) (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition FULL YEAR GUIDANCE INCREASED 22 Sales Adj. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 26 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 2 3 2 2 2 3 3 4 3 3 3 4 4 5 5 5 6 7 7 8 24 t (E xc l.

Vašemu vedoucímu nebo jakémukoli manažerovi společnosti Avient • Pracovníkovi oddělení korporátní etiky e-mailem na adresu ethics.officer@avient.com • Právnímu poradci společnosti Avient e-mailem na adresu legal.officer@avient.com • Jakémukoli členovi právního oddělení • Na horké lince pro etiku společnosti Avient Horká linka pro etiku společnosti Avient Horká linka pro etiku je k dispozici celosvětově ve více než 20 jazycích 24 hodin denně, 7 dní v týdnu, a to telefonicky nebo prostřednictvím webu. Neúčastněte se schůzí s konkurenty (včetně shromáždění obchodních sdružení), na kterých se diskutuje o cenách nebo o kterémkoli z výše uvedených témat. 7. Přesto se v prvním uvedeném případě snažte ověřit a zdokumentovat konkurenční cenu Antimonopolní kontrolní seznam 7 před tím, než nabídnete distributorovi nižší cenu, která by měla tuto konkurenční cenu dorovnat; nepokoušejte se však ověřit konkurenční cenu přímým kontaktováním konkurenta.

We are Avient. 6 BETTER TOGETHER: POLYONE AND CLARIANT MASTERBATCH Key Financial Data (1) 2021E Sales $4.6 - $4.7 billion 2021E EBITDA $580 million 2021E Free Cash Flow $280 million 87% of EBITDA from specialty applications (1) As of July 30, 2021 webcast Synergies ($ millions) Three-Year Estimate Administrative $ 20 Sourcing 30 Operational 25 Total Synergies $ 75 7 CLARIANT COST SYNERGIES • On-track to realize $45 million of expected synergies in 2021 – up from previous estimate of $35 million • Relentless focus on guiding principles for acquisition integration: safety first, employee collaboration and exceeding customer expectations • Future revenue synergies in excess of $50 million by 2025 are not part of these estimates and represent additional growth over the long term 8 • Barrier technology • Functional additives • Processing aids • Flame retardants • Light-weighting additives Complementary Technologies • Clariant’s approved formulations and certified facilities • Legacy PolyOne’s leading share in distribution channels Healthcare Solutions • Clariant’s position in SE Asia, Latin America, Germany & Italy • Legacy PolyOne’s position in U.S., Canada and China Regional Strengths • Solutions with Avient’s engineered materials customers • Avient’s distribution channels Segment Cross-selling COMPLEMENTARY TECHNOLOGIES AND CUSTOMERS DRIVE REVENUE SYNERGIES Revenue synergy opportunities in excess of $50MM by 2025 The complementary aspects of our combined businesses are unquestionable. 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 14 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% $122 Q2 2021 ORGANIC SALES AND OPERATING INCOME 15 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Sales Growth Rate Operating Income$ millions 16 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 17 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 $ 15918 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 20 Sales Adjusted Operating Income $925 $1,150 + 24% + 32% + 48% FULL YEAR GUIDANCE INCREASED 21 Sales Adj. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 29 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 2 2 2 2 3 3 3 4 3 4 4 5 5 5 5 5 6 7 27 e nt e nt ( xc l.