Gravi-Tech™ E2 Meat Box Gravi-Tech™ formulations enable magnetic detection and color matching for E2 meat box. 

Stat-Tech™ Static Dissipative and Electrically Conductive Formulations Injection molding parameters, startup and shutdown, mold design and troubleshooting recommendations for Stat-Tech™ Static Dissipative and Conductive Formulations

Distinguished Gravi-Tech™ high-density closures are focused on luxury perception as showcased in the spirits industry Cutlery manufacturer expands product line with dishwasher-safe knife handles featuring stainless steel-filled Gravi-Tech™ compound

Gravi-Tech™ Compounds - Product Selection Guide Product descriptions and properties of Gravi-Tech™ Compounds

Auf die bei Gericht eingereichten Urkunden wird Bezug genommen. 7 b) Machin, Genevieve Elizabeth, Luxembourg, *31.03.1972 Katsers, Guy, Clervaux / Belgien, *26.06.1950 17.11.2016 8 b) Vertretungsbefugnis geändert (Einzelvertretungsbefugnis entfallen) bei Machin, Genevieve Elizabeth, Luxembourg / Luxemburg, *31.03.1972 mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen. 02.02.2017 9 b) Berichtigung von Amts wegen zur Adolf-Dambach-Str. 2, 76571 Gaggenau 06.06.2018 10 b) 25.03.2019 Seite 4 von 4 Potoczny, Zaneta Gabriela, Mersch / Luxemburg, *17.10.1974 mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen.

The state-of-the-art facility will be strategically located in a new hi-tech industrial park in the JinQiao Development Zone in Shanghai, and will focus on research and development projects generated within the company‟s Specialty Engineered Materials business segment.

Avient introduces new high-impact Gravi-Tech™ density-modified formulations, developed to replace die-cast or machined metals in premium weighted ap

Consumers respond to eye-catching designs and functionality, so as a designer or manufacturer, you strive to hit a cool-yet-high-tech vibe with your products.

16824-8#ISO 9001 Certificaat Fiber-Line International B.V. Fahrenheitlaan 8Fahrenheitlaan 8Fahrenheitlaan 8Fahrenheitlaan 8 9207 HE9207 HE9207 HE9207 HE Drachten Drachten Drachten Drachten The NetherlandsThe NetherlandsThe NetherlandsThe Netherlands FiberFiberFiberFiber1111Line International B.V.Line International B.V.Line International B.V.Line International B.V. 1B Churnet Park, James Brind1B Churnet Park, James Brind1B Churnet Park, James Brind1B Churnet Park, James Brindley Road Off Macclesfield Roadley Road Off Macclesfield Roadley Road Off Macclesfield Roadley Road Off Macclesfield Road LLLLeekeekeekeek United KingdomUnited KingdomUnited KingdomUnited Kingdom The management system and the application thereof complies with the requirements of the standard.

WHAT WE DO: MATERIAL SCIENCE 5 CUSTOM FORMULATION SUSTAINABILITY FOR A BETTER TOMORROW Revenue From Sustainable Solutions* 2016-2021 $310 205 140 80 75 45 40 20 $915M2021 Sales *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business Future Growth Revenue Assumptions From Sustainable Solutions: 8 - 12% 6 S E CO N D Q UART E R 2022 RE S U LT S $122 $134 $0.87 $0.98 Q2 2022 PERFORMANCE (TOTAL COMPANY) 8 Sales Adjusted Operating Income $1,235 $1,302 + 5% Adjusted EPS + 10% + 13% (in millions) (in millions) (+ 10% excluding FX) (+ 16% excluding FX) (+ 20% excluding FX) Q2 2022 SEGMENT PERFORMANCE 9 CAI $624 $649 SEM Distribution $86 $94 + 4% + 9% $404 $443 $24 $27 + 10% + 13% $241 $244 $37 $37 + 1% Flat (+ 10% excluding FX) (+ 16% excluding FX) (+ 6% excluding FX) (+ 3% excluding FX) Q2 2021 $1,235 $122 Sustainable Solutions 17 7% 7 Healthcare 23 14% 5 Composites (ex Outdoor High Performance) 10 20% 4 Growth in Asia / LATAM 5 3% 1 Other 69 11% 5 Sub-total $1,359 10% $144 Outdoor High Performance Impact (9) (5) Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (48) (7) Q2 2022 $1,302 5% $134 Q2 2022 SALES AND OPERATING INCOME (TOTAL COMPANY) 10 Sales Growth Rate Operating Income$ millions EBITDA Q2 EBITDA BRIDGE 11 Price increases more than offsets raw material and supply chain impacts Q2 2021 $ 159 Demand (29) $ millions CAI: Price / Mix 87 Inflation (58) SEM: Price / Mix 36 Inflation (24) Distribution: Price / Mix 45 Inflation (41) Net Price Benefit 45 Wage Inflation and Overtime (7) Other Supply Chain Costs (2) Clariant Color Integration Synergies 7 Incentives, Other Employee Costs 4 FX (7) Q2 2022 $ 170 China Lockdowns / Russia Impact $ (14) Outdoor High Performance (5) Transportation (5) 12 Q2 '21 Adjusted EPS 0.87$ Color, Additives and Inks 0.11 Specialty Engineered Materials 0.01 Distribution 0.03 Corporate Costs 0.01 F/X (0.05) Segment OI 0.11$ Interest Expense 0.03 Tax Rate (0.03) Q2 '22 Adjusted EPS 0.98$ Q2 EPS BRIDGE Key Updates • Provided progress on 2030 Sustainability Goals • Emphasized commitment to U.N. D ISTR IBU TIO N ) 22 END-MARKET FOCUS FOR NEW INNOVATION Semiconductors Robotics Healthcare Interconnected disruptive markets with massive innovation needs 23 APPENDIX Performance Additives Pigments TiO2 Dyestuffs 3%Polyethylene Nylon 6% Polypropylene Other Raw Materials 30% Styrenic Block Copolymer ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 30 • Significant raw material price inflation and tight inventory continued in Q2 2022, although at a slightly lesser rate compared to the prior quarter o For Q2 2022, the average cost of key hydrocarbon based materials was up 15%, roughly the same as the average cost of non- hydrocarbon based materials Three Months Ended June 30, 2022 Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income attributable to Avient shareholders $ 84.7 $ 0.92 $ 68.8 $ 0.74 Special items, after tax 5.1 0.06 11.7 0.13 Adjusted net income / EPS - excluding special items 89.8 0.98 80.5 0.87 FX adjustment n/a n/a $ (4.9) $ (0.05) Adjusted net income / EPS - excluding special items, adjusted for FX $ 89.8 $ 0.98 $ 75.6 $ 0.82 Reconciliation to Consolidated Statements of Income Three Months Ended June 30, 2022 2021 Results Results FX Adjustment FX Adjusted Sales: Color, Additives and Inks $ 649.1 $ 624.4 $ (35.8) $ 588.6 Specialty Engineered Materials 243.9 240.6 (10.5) 230.1 Distribution 443.2 404.4 (0.2) 404.2 Corporate and eliminations (33.8) (34.2) (1.2) (35.4) Sales $ 1,302.4 $ 1,235.2 $ (47.7) $ 1,187.5 Operating income: Color, Additives and Inks $ 93.6 $ 86.3 $ (5.2) 81.1 Specialty Engineered Materials 36.6 37.3 (1.3) 36.0 Distribution 27.1 23.7 — 23.7 Corporate and eliminations (27.8) (39.2) 0.2 (39.0) Operating income 129.5 108.1 (6.3) 101.8 Special items in operating income 4.3 14.2 — 14.2 Adjusted operating income $ 133.8 $ 122.3 $ (6.3) $ 116.0 1 June 30, 2022 GAAP Special Adjusted Operating Income $ 129.5 $ 4.3 $ 133.8 Income before income taxes $ 114.7 $ 3.4 $ 118.1 Income tax expense - GAAP (30.0) — (30.0) Income tax impact of special items — (0.8) (0.8) Tax adjustments — 2.5 2.5 Net income attributable to noncontrolling interests — — — Net income attributable to Avient shareholders $ 84.7 $ 5.1 $ 89.8 EPS $ 0.92 0.06 $ 0.98 Weighted-average diluted shares 92.1 92.1 92.1 June 30, 2021 GAAP Special Adjusted Operating Income $ 108.1 $ 14.2 $ 122.3 Income before income taxes $ 89.8 $ 14.2 $ 104.0 Income tax expense - GAAP (20.4) — (20.4) Income tax impact of special items — (3.4) (3.4) Tax adjustments — 0.9 0.9 Net income attributable to noncontrolling interests (0.6) — (0.6) Net income attributable to Avient shareholders $ 68.8 $ 11.7 $ 80.5 EPS $ 0.74 0.13 $ 0.87 Weighted-average diluted shares 92.4 92.4 92.4 September 30, 2021 GAAP Special Adjusted Operating income $ 78.7 $ 20.0 $ 98.7 Income from continuing operations before income taxes $ 61.1 $ 19.9 $ 81.0 Income tax expense - GAAP (8.5) — (8.5) Income tax impact of special items — (4.6) (4.6) Tax adjustments — (3.6) (3.6) Net income attributable to noncontrolling interests 0.3 — 0.3 Net income from continuing operations attributable to Avient shareholders $ 52.9 $ 11.7 $ 64.6 Net income / EPS $ 0.57 $ 0.13 $ 0.70 Weighted-average diluted shares 92.2 92.2 92.2 Reconciliation of EBITDA by Segment Year Ended December 31, 2021 Operating income: Color, Additives and Inks $ 303.1 Specialty Engineered Materials 132.0 Distribution 93.2 Corporate and eliminations (147.1) Operating income $ 381.2 Items below OI in Corporate: Other income, net $ (1.3) Depreciation & amortization: Color, Additives and Inks $ 105.7 Specialty Engineered Materials 31.7 Distribution 0.8 Corporate and eliminations 7.7 Depreciation & Amortization $ 145.9 EBITDA: Color, Additives and Inks $ 408.8 Specialty Engineered Materials 163.7 Distribution 94.0 Corporate and eliminations (140.7) EBITDA $ 525.8 June 30, Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2022 2021 2021 Net income from continuing operations – GAAP $ 84.7 $ 69.4 $ 230.6 Income tax expense 30.0 20.4 74.0 Interest expense 16.2 19.5 75.3 Depreciation and amortization from continuing operations 36.5 33.8 145.9 EBITDA $ 167.4 $ 143.1 $ 525.8 Special items, before tax 3.4 14.2 57.1 Depreciation and amortization included in special items (1.1) 1.4 (1.7) Adjusted EBITDA $ 169.7 $ 158.7 $ 581.2 AVNT Aug 2022 Presentation w Non GAAP Recs.pdf AVNT Aug 2022 Presentation Update.pdf Avient corporation�investor presentation DISCLAIMER Avient: Who We Are Who we are – Vision, Strategy, Culture What we do: material science Sustainability for a Better Tomorrow Slide Number 7 Slide Number 8 Slide Number 9 Q2 2022 SALES AND OPERATING INCOME�(Total Company) Slide Number 11 Slide Number 12 2021 Sustainability Report Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Two-Year Leverage model our Specialty Journey continues End Market transformation to less cyclical industries�(with Dyneema, ex. distribution) End-market Focus for �New innovation Slide Number 24 PEER COMPARISONS Avient is asset light High free cash flow conversion Our valuation versus peers Slide Number 29 Slide Number 30 Slide Number 31 Slide Number 32 FIT with Four Pillar Strategy AVNT Aug 2022 Presentation w Non GAAP Recs v1 Dyneema® overview AVNT Aug 2022 Presentation w Non GAAP Recs AVNT Aug 2022 Presentation Update.pdf Slide Number 35 Slide Number 36 Dyneema® in the Value Chain Demand trends Products Avient’s Existing Composites Portfolio Avient’s Composites Portfolio�Sales and Ebitda Slide Number 42 �2021 segment, end market and Geography Slide Number 44 Slide Number 45 Slide Number 46 Slide Number 47 AVNT Aug 2022 Presentation w Non GAAP Recs.pdf AVNT Q2 2022 Earnings Presentation - Website.pdf AVNT Q2 2022 Earnings Presentation - Website AVNT Q2 2022 Earnings Presentation - Website AVNT Q2 2022 Earnings Presentation - Website 7.25 323pm IR Deck - AVNT-2022.06.30.pdf AVNT Aug 2022 Presentation w Non GAAP Recs