AT 20-20 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PP 94000721dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PP 94000721 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PP OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PP 94000721proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PP. CONCLUSIONS TECHNIQUES Compte tenu des éléments transmis au COTREP, et au vu des résultats présents dans les rapports de tests des Fabricants d’équipement de Tri Optique (T.O.), la solution colorante noire CESA® IR PP 94000721 de Avient Corporation utilisée pour colorer des emballages rigides en PP est détectable par tri optique dans des conditions représentatives des technologies utilisées dans les centres de tri d’emballages ménagers français. La solution colorante noire CESA® IR PP 94000721 de Avient Corporation utilisée pour colorer des emballages rigides en PP est une alternative aux solutions colorantes non détectables.

ONFLEX™ HT ONFLEX™ AF 7210 ONFLEX™ S KA ONFLEX™ S KG Applications Fasteners/ Clips Fasteners/ Clips Fasteners/ Clips Fasteners/ Clips Defining Characteristic High temperature sealing performance Ambient temperature sealing performance High temperature sealing performance Ambient temperature sealing performance Density 1.00 g/ml 0.99 g/ml 1.10 g/ml 1.13 g/ml Physical Properties Tensile Strength 6.0–10.0 MPa 5.0–11.5 MPa 3.0–7.5 MPa 2.6–4.9 MPa Tear Resistance 25.0–37.0 kN/m 21.0–43.0 kN/m 17.0–46.0 kN/m 16.0–29.0 kN/m Compression Set 73°F (23°C) 72hrs 12–27% 16–32% 13–23% 31–35% 158°F (70°C) 22hrs 28–44% 32–43% 29–38% 62–66% 212°F (100°C) 22hrs 45–53% 56–60% 54–57% 80–85% Hardness 40–80 Shore A 40–80 Shore A 40–80 Shore A 40–80 Shore A Overmolding Substrate Polypropylene/ Polyethylene Polypropylene Polyamide Polyamide Processing Injection Molding/ Extrusion Injection Molding/ Extrusion Injection Molding/ Extrusion Injection Molding/ Extrusion HOW GLS TPEs MAKE THE DIFFERENCE IN AUTOMOTIVE FASTENERS AND CLIPS • Low compression set – coupled with good stress relaxation, our automotive TPEs are designed to maintain a good seal over time and reduce noise generated by vibration • High temperature performance – Avient automotive TPEs provide good sealing performance in temperatures up to 100°C/212°F • Bonding performance - strong chemical bond to polypropylene, polyethylene, and polyamide • Process flexibility - grades can be both injection molded and extruded • Easy to color - can be colored at the machine • Reduced production steps - some grades do not require pre-drying • Low VOC/FOG - OnFlex HT™ has been externally tested to VDA 278 and is proven to help satisfy vehicle interior air quality (VIAQ) regulatory requirements • Single source supply – we can streamline your supply chain with the ability to provide polymer colorants, engineered thermoplastics, and thermoplastic elastomers from a single source • Global support - we provide production, technical, and commercial support in locations convenient to your operations, including North America, Europe, and Asia To learn more about GLS TPEs for automotive applications, visit www.avient.com or call +1.844.4AVIENT (1.844.428.4368). www.avient.com Copyright © 2020, Avient Corporation.

AT 20-16 1 Avis Technique – Tri Détectabilité et tri de la solution colorante AVIENT CORPORATION / CESA® IR PE 94000817 dans les centres de tri D E S C R IP TI O N D E L A D E M A N D E GENERALITES Demandeur Avient Corporation Date de la demande 2020 Référence de la solution colorante CESA® IR PE 94000817 Limite max de concentration de la solution colorante 4% DESCRIPTION DE LA SOLUTION COLORANTE Couleur Noire Solution colorante adaptée pour : Emballages rigides en PE OBJET DE LA DEMANDE Etude de la détectabilité dans les centres de tri français de la solution colorante noire CESA® IR PE 94000817 proposée par Avient Corporation et utilisée pour colorer des emballages rigides en PE. CONCLUSIONS TECHNIQUES Compte tenu des éléments transmis au COTREP, et au vu des résultats présents dans les rapports de tests des Fabricants d’équipement de Tri Optique (T.O.), la solution colorante noire CESA® IR PE 94000817 de Avient Corporation utilisée pour colorer des emballages rigides en PE est détectable par tri optique dans des conditions représentatives des technologies utilisées dans les centres de tri d’emballages ménagers français. La solution colorante noire CESA® IR PE 94000817 de Avient Corporation utilisée pour colorer des emballages rigides en PE est une alternative aux solutions colorantes non détectables.

EPS (1) $0.14 $2.67 $3.04 2006 2018 2022PF TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 3 1 4 14 PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 15 2022 RE SU LT S Q4 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 17 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted EBITDA Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy PROVEN TRACK RECORD OF STRONG AND IMPROVING FREE CASH FLOW GENERATION 18 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 F re e C as h F lo w C o n ve rs io n F re e C as h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials. $600 $592 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 19 Sales Adjusted EBITDA $3,712 $3,653 2021 2022 -2% Adjusted EPS -1% + 1% (in millions) (in millions) (+4% excluding FX) (+5% excluding FX) (+9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 20 CAI $2,402 $2,355 Sales ($ in millions) $409 $402 EBITDA SEM Pro Forma $1,308 $1,300 Sales $278 $272 EBITDA (+4% excluding FX) - 2% -1% (+5% excluding FX) - 2% (+4% excluding FX) - 2% (+2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 21 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 22 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted EBITDA Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2023 G U IDA N CE $125 $530 Q1 FY $0.55 $2.40 Q1 FY 2023 GUIDANCE 24 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 25 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROWTH DRIVERS: PROVEN SUCCESS 27 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 2016 2018 2020 2022 Long Term Growth Rate 10% Organic CAGR 10% HEALTHCARE $108 $113 $231 $293 2016 2018 2020 2022 Long Term Growth Rate 8-10% Organic CAGR 11% ASIA/EMERGING REGIONS $265 $358 $726 $830 2016 2018 2020 2022 Long Term Growth Rate 5% Organic CAGR 12% $340 $455 $790 2016 2018 2020 2022 $1,175 SUSTAINABLE SOLUTIONS Long Term Growth Rate 8-12% Organic CAGR 11% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% LEVERAGING OUR TRANSFORMED PORTFOLIO 28 Healthcare 8% Packaging 24% Consumer 20% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% 2022 PF $3.65B sales Defense 6% Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) (1) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P EE R C O M PAR IS O N S AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of February 13, 2023 Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 30 3 2 3 3 4 4 3 4 5 5 5 6 7 7 A vi en t K W R P P G F U L A V Y R P M F M C H U N H X L C E E C L A S H S C L E M N FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of February 13, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 32 EV / 2023E EBITDA Historic Multiple 6.5 8.3 10.0 15.6 13.9 13.7 12.8 9.5 18.0 17.5 12.3 10.2 9.7 8.8 8.4 5.9 A vi en t (2 01 1) A vi en t (2 01 8) A vi en t K W R P P G R P M A V Y F U L H X L E C L F M C A S H S C L H U N E M N C E RA W M AT ER IA L OVE RV IE W 34 RAW MATERIAL 2022 ANNUAL PURCHASES Performance Additives 16% Pigments 12% TiO2 11% Dyestuffs 2% Polyethylene 12% Nylon 6% Polypropylene 6% Styrenic Block Copolymer 5% Other Raw Materials 30% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials Excludes Avient Protective Materials SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE (1) Total company adjusted EBITDA of $592M includes corporate costs $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 36 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .4 B ILL ION US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 37 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 52% EMEA 35% Asia 13% REGION 38 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 39

Consolidated sales expanded for the first time in seven quarters with contributions from both our Color, Additives and Inks, and Specialty Engineered Materials segments. Three Months Ended June 30, Six Months Ended June 30, 2024 2023 2024 2023 Sales: Color, Additives and Inks $ 542.0 $ 524.5 $ 1,057.3 $ 1,061.5 Specialty Engineered Materials 308.1 300.8 622.5 610.5 Corporate (0.4) (0.9) (1.1) (1.9) Sales $ 849.7 $ 824.4 $ 1,678.7 $ 1,670.1 Gross margin: Color, Additives and Inks $ 184.5 $ 164.1 $ 355.7 $ 326.1 Specialty Engineered Materials 94.7 91.5 201.7 185.4 Corporate (21.6) (14.9) (21.6) (23.2) Gross margin $ 257.6 $ 240.7 $ 535.8 $ 488.3 Selling and administrative expense: Color, Additives and Inks $ 98.4 $ 96.1 $ 194.8 $ 192.5 Specialty Engineered Materials 51.9 51.8 105.5 102.6 Corporate 34.8 30.5 69.0 73.8 Selling and administrative expense $ 185.1 $ 178.4 $ 369.3 $ 368.9 Operating income: Color, Additives and Inks $ 86.1 $ 68.0 $ 160.9 $ 133.6 Specialty Engineered Materials 42.8 39.7 96.2 82.8 Corporate (56.4) (45.4) (90.6) (97.0) Operating income $ 72.5 $ 62.3 $ 166.5 $ 119.4 Depreciation & amortization: Color, Additives and Inks $ 21.8 $ 25.7 $ 43.7 $ 51.5 Specialty Engineered Materials 20.8 19.9 40.4 41.1 Corporate 2.3 2.0 5.1 5.5 Depreciation & amortization $ 44.9 $ 47.6 $ 89.2 $ 98.1 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 107.9 $ 93.7 $ 204.6 $ 185.1 Specialty Engineered Materials 63.6 59.6 136.6 123.9 Corporate (54.1) (43.4) (85.5) (91.5) Other (expense) income, net (0.9) (0.2) (1.8) 0.5 EBITDA from continuing operations $ 116.5 $ 109.7 $ 253.9 $ 218.0 Special items, before tax 28.1 21.7 34.3 49.0 Interest expense included in special items (1.0) — (1.0) — Depreciation & amortization included in special items (0.3) (0.1) (0.8) (1.9) Adjusted EBITDA $ 143.3 $ 131.3 $ 286.4 $ 265.1 13 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

PET SUPPLY MANUFACTURER D O G T O Y • Tear strength • Durability • Colorability • Formulation must not intentionally contain BPA, heavy metals, latex, natural rubber, phthalates, or SVHC (REACH) • Optimized material processing and tooling through technical services and application development support • Delivered a solution to address regulation and consumer safety concerns Versaflex™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Sales: Color, Additives and Inks $ 649.1 $ 624.4 $ 1,298.6 $ 1,233.7 Specialty Engineered Materials 243.9 240.6 488.6 457.1 Distribution 443.2 404.4 876.1 767.1 Corporate and eliminations (33.8) (34.2) (67.1) (60.4) Sales $ 1,302.4 $ 1,235.2 $ 2,596.2 $ 2,397.5 Gross margin: Color, Additives and Inks $ 193.4 $ 193.4 $ 385.5 $ 390.9 Specialty Engineered Materials 67.4 69.6 137.2 134.3 Distribution 42.9 40.1 82.2 79.4 Corporate and eliminations 0.1 (14.4) (7.4) (13.5) Gross margin $ 303.8 $ 288.7 $ 597.5 $ 591.1 Selling and administrative expense: Color, Additives and Inks $ 99.8 $ 107.1 $ 197.4 $ 215.8 Specialty Engineered Materials 30.8 32.3 60.9 62.8 Distribution 15.8 16.4 30.9 31.7 Corporate and eliminations 27.9 24.8 50.2 52.3 Selling and administrative expense $ 174.3 $ 180.6 $ 339.4 $ 362.6 Operating income: Color, Additives and Inks $ 93.6 $ 86.3 $ 188.1 $ 175.1 Specialty Engineered Materials 36.6 37.3 76.3 71.5 Distribution 27.1 23.7 51.3 47.7 Corporate and eliminations (27.8) (39.2) (57.6) (65.8) Operating income $ 129.5 $ 108.1 $ 258.1 $ 228.5 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 119.5 $ 111.6 $ 240.0 $ 227.7 Specialty Engineered Materials 44.3 45.4 91.8 87.4 Distribution 27.3 23.9 51.7 48.1 Corporate and eliminations (25.1) (39.0) (51.1) (63.8) Other income, net 1.4 1.2 0.8 2.7 EBITDA $ 167.4 $ 143.1 $ 333.2 $ 302.1 12 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance. Three Months Ended June 30, 2022 2021 GAAP Results Special Items Adjusted Results GAAP Results Special Items Adjusted Results Income from before income taxes $114.7 $ 3.4 $ 118.1 $ 89.8 $ 14.2 $ 104.0 Income tax expense - GAAP (30.0) — (30.0) (20.4) — (20.4) Income tax impact of special items (Attachment 3) — (0.8) (0.8) — (3.4) (3.4) Tax adjustments (Attachment 3) — 2.5 2.5 — 0.9 0.9 Income tax (expense) benefit $ (30.0) $ 1.7 $ (28.3) $ (20.4) $ (2.5) $ (22.9) Effective Tax Rate(1) 26.1 % 23.9 % 22.7 % 22.0 % (1) Rates may not recalculate from figures presented herein due to rounding 13 Six Months Ended June 30, 2022 2021 GAAP Results Special Items Adjusted Results GAAP Results Special Items Adjusted Results Income from before income taxes $225.8 $ 11.1 $ 236.9 $192.4 $ 16.6 $ 209.0 Income tax expense - GAAP (56.6) — (56.6) (43.3) — (43.3) Income tax impact of special items (Attachment 3) — (2.8) (2.8) — (4.3) (4.3) Tax adjustments (Attachment 3) — 4.0 4.0 — 2.0 2.0 Income tax (expense) benefit $ (56.6) $ 1.2 $ (55.4) $ (43.3) $ (2.3) $ (45.6) Effective Tax Rate(1) 25.0 % 23.4 % 22.5 % 21.8 % (1) Rates may not recalculate from figures presented herein due to rounding Reconciliation of EBITDA by Segment Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Operating income: Color, Additives and Inks $ 93.6 $ 86.3 $ 188.1 $ 175.1 Specialty Engineered Materials 36.6 37.3 76.3 71.5 Distribution 27.1 23.7 51.3 47.7 Corporate and eliminations (27.8) (39.2) (57.6) (65.8) Operating income $ 129.5 $ 108.1 $ 258.1 $ 228.5 Items below OI in Corporate: Other income, net $ 1.4 $ 1.2 $ 0.8 $ 2.7 Depreciation & amortization: Color, Additives and Inks $ 25.9 $ 25.3 $ 51.9 $ 52.6 Specialty Engineered Materials 7.7 8.1 15.5 15.9 Distribution 0.2 0.2 0.4 0.4 Corporate and eliminations 2.7 0.2 6.5 2.0 Depreciation & Amortization $ 36.5 $ 33.8 $ 74.3 $ 70.9 EBITDA: Color, Additives and Inks $ 119.5 $ 111.6 $ 240.0 $ 227.7 Specialty Engineered Materials 44.3 45.4 91.8 87.4 Distribution 27.3 23.9 51.7 48.1 Corporate and eliminations (25.1) (39.0) (51.1) (63.8) Other income, net 1.4 1.2 $ 0.8 $ 2.7 EBITDA $ 167.4 $ 143.1 $ 333.2 $ 302.1 14 Three Months Ended June 30, Six Months Ended June 30, Reconciliation to EBITDA and Adjusted EBITDA: 2022 2021 2022 2021 Net income – GAAP $ 84.7 $ 69.4 $ 169.2 $ 149.1 Income tax expense 30.0 20.4 56.6 43.3 Interest expense 16.2 19.5 33.1 38.8 Depreciation and amortization 36.5 33.8 74.3 70.9 EBITDA $ 167.4 $ 143.1 $ 333.2 $ 302.1 Special items, before tax 3.4 14.2 11.1 16.6 Depreciation and amortization included in special items (1.1) 1.4 (3.2) 0.8 Adjusted EBITDA $ 169.7 $ 158.7 $ 341.1 $ 319.5 Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of $ EPS Net income attributable to Avient shareholders $ 68.8 $ 0.74 Special items, after tax (Attachment 3) 11.7 0.13 Adjusted net income / EPS - excluding special items 80.5 0.87 FX adjustment (4.9) (0.05) Adjusted net income / EPS - excluding special items, adjusted for FX $ 75.6 $ 0.82 NEWS RELEASE Attachment 1

We grew organic sales in each of the regions with both our Color, Additives and Inks and Specialty Engineered Materials segments growing at 3% and 6%, respectively, while expanding adjusted EBITDA margins 90 and 110 basis points, respectively, over 2023.” Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world’s strongest fiber™. Three Months Ended December 31, Year Ended December 31, 2024 2023 2024 2023 Sales: Color, Additives and Inks $ 467.7 $ 459.4 $ 2,046.5 $ 2,007.4 Specialty Engineered Materials 279.7 259.8 1,196.8 1,138.2 Corporate (0.9) (0.2) (2.9) (2.8) Sales $ 746.5 $ 719.0 $ 3,240.4 $ 3,142.8 Gross margin: Color, Additives and Inks $ 152.6 $ 148.3 $ 681.1 $ 631.2 Specialty Engineered Materials 84.2 78.1 374.9 341.8 Corporate 22.7 (17.5) 0.7 (80.5) Gross margin $ 259.5 $ 208.9 $ 1,056.7 $ 892.5 Selling and administrative expense: Color, Additives and Inks $ 92.8 $ 86.5 $ 384.9 $ 371.3 Specialty Engineered Materials 49.6 48.7 207.7 199.3 Corporate 31.5 30.6 134.8 125.1 Selling and administrative expense $ 173.9 $ 165.8 $ 727.4 $ 695.7 Operating income: Color, Additives and Inks $ 59.8 $ 61.8 $ 296.2 $ 259.9 Specialty Engineered Materials 34.6 29.4 167.2 142.5 Corporate (8.8) (48.1) (134.1) (205.6) Operating income $ 85.6 $ 43.1 $ 329.3 $ 196.8 Depreciation and amortization: Color, Additives and Inks $ 21.9 $ 22.2 $ 87.5 $ 98.3 Specialty Engineered Materials 21.0 19.8 82.1 81.5 Corporate 2.5 2.2 10.1 9.0 Depreciation and amortization $ 45.4 $ 44.2 $ 179.7 $ 188.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 81.7 $ 84.0 $ 383.7 $ 358.2 Specialty Engineered Materials 55.6 49.2 249.3 224.0 Corporate (6.3) (45.9) (124.0) (196.6) Other income, net 3.2 4.3 1.1 5.8 EBITDA from continuing operations $ 134.2 $ 91.6 $ 510.1 $ 391.4 Special items, before tax (23.9) 22.4 20.1 114.6 Interest expense included in special items — (0.1) (2.3) (2.3) Depreciation and amortization included in special items (0.3) — (1.5) (1.9) Adjusted EBITDA $ 110.0 $ 113.9 $ 526.4 $ 501.8 13 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses operating income before special items to assess performance and allocate resources because senior management believes that this measure is most useful in understanding current profitability levels and how it may serve as a basis for future performance.

Table of Contents POLYONE CORPORATION 3 GAAP Financial Information Recast for DSS Divestiture Q1 2013 Q2 2013 Q3 2013 Q4 2013 2013 YTD Q1 2014 Q2 2014 Q3 2014 Q4 2014 2014 YTD Q1 2015 Q2 2015 Q3 2015 Q4 2015 2015 YTD Sales 759.6$ 838.7$ 821.1$ 754.4$ 3,173.8$ 828.7$ 841.5$ 806.1$ 741.7$ 3,218.0$ 754.0$ 775.5$ 729.2$ 665.4$ 2,924.1$ Cost of sales 598.6 657.1 661.4 657.0 2,574.1 660.2 674.2 644.1 602.7 2,581.2 589.9 599.6 564.2 518.9 2,272.6 Gross margin 161.0 181.6 159.7 97.4 599.7 168.5 167.3 162.0 139.0 636.8 164.1 175.9 165.0 146.5 651.5 Selling and administrative 104.8 108.5 104.2 66.1 383.6 112.5 118.0 104.1 151.6 486.2 93.8 97.2 90.7 112.2 393.9 Income from equity affiliates and minority interest 0.1 - - 26.8 26.9 - - - - - - - - - - Operating income (loss) 56.3 73.1 55.5 58.1 243.0 56.0 49.3 57.9 (12.6) 150.6 70.3 78.7 74.3 34.3 257.6 Interest expense, net (15.6) (16.6) (15.9) (15.2) (63.3) (15.5) (15.7) (15.4) (15.5) (62.1) (16.1) (16.2) (16.2) (15.5) (64.0) Premium on early extinguishment of debt (10.6) - (5.2) - (15.8) - - - - - - - - (16.4) (16.4) Other income (expense), net 1.5 (1.3) (1.5) - (1.3) (0.7) (0.4) (1.6) (1.4) (4.1) (0.6) (1.2) (1.7) 0.3 (3.2) Income (loss) before income taxes 31.6 55.2 32.9 42.9 162.6 39.8 33.2 40.9 (29.5) 84.4 53.6 61.3 56.4 2.7 174.0 Income tax (expense) benefit (10.8) (21.6) (13.4) (16.6) (62.4) (10.7) (2.6) (12.0) 15.6 (9.7) (23.3) 4.3 (8.8) 2.3 (25.5) Net income (loss) from continuing operations 20.8 33.6 19.5 26.3 100.2 29.1 30.6 28.9 (13.9) 74.7 30.3 65.6 47.6 5.0 148.5 Net (loss) income from discontinued operations, net of income taxes (5.7) 147.0 3.3 (2.1) 142.5 0.1 0.9 3.8 (1.1) 3.7 (0.1) 1.4 (3.1) (2.0) (3.8) Net income (loss) 15.1 180.6 22.8 24.2 242.7 29.2 31.5 32.7 (15.0) 78.4 30.2 67.0 44.5 3.0 144.7 Less: Non-controlling interest 0.2 0.3 0.2 0.4 1.1 0.2 0.2 - 0.4 0.8 - (0.2) - 0.1 (0.1) Net income (loss) attributable to PolyOne common shareholders 15.3$ 180.9$ 23.0$ 24.6$ 243.8$ 29.4$ 31.7$ 32.7$ (14.6)$ 79.2$ 30.2$ 66.8$ 44.5$ 3.1$ 144.6$ Earnings per share attributable to PolyOne common shareholders - Basic Continuing operations 0.23$ 0.35$ 0.21$ 0.28$ 1.06$ 0.31$ 0.33$ 0.32$ (0.15)$ 0.82$ 0.34$ 0.73$ 0.55$ 0.06$ 1.69$ Discontinued operations (0.06)$ 1.50$ 0.03$ (0.02)$ 1.49$ -$ 0.01$ 0.04$ (0.01)$ 0.04$ -$ 0.02$ (0.04)$ (0.02)$ (0.04)$ Total 0.17$ 1.85$ 0.24$ 0.26$ 2.55$ 0.31$ 0.34$ 0.36$ (0.16)$ 0.86$ 0.34$ 0.75$ 0.51$ 0.04$ 1.65$ Earnings per share attributable to PolyOne common shareholders - Diluted Continuing operations 0.22$ 0.34$ 0.20$ 0.27$ 1.05$ 0.31$ 0.33$ 0.31$ (0.15)$ 0.81$ 0.34$ 0.73$ 0.54$ 0.06$ 1.67$ Discontinued operations (0.06)$ 1.49$ 0.04$ (0.02)$ 1.48$ -$ 0.01$ 0.04$ (0.01)$ 0.04$ -$ 0.01$ (0.04)$ (0.02)$ (0.04)$ Total 0.16$ 1.83$ 0.24$ 0.25$ 2.53$ 0.31$ 0.34$ 0.35$ (0.16)$ 0.85$ 0.34$ 0.74$ 0.50$ 0.04$ 1.63$ Q1 2016 Q2 2016 Q3 2016 Q4 2016 2016 YTD Q1 2017 Sales 738.5$ 758.2$ 746.6$ 694.8$ 2,938.1$ 796.7$ Cost of sales 561.9 576.3 580.5 542.3 2,261.0 614.4 Gross margin 176.6 181.9 166.1 152.5 677.1 182.3 Selling and administrative 106.2 100.1 94.1 90.4 390.8 98.3 Operating income 70.4 81.8 72.0 62.1 286.3 84.0 Interest expense, net (14.6) (14.6) (15.1) (15.4) (59.7) (14.6) Premium on early extinguishment of debt - (0.4) - - (0.4) (0.3) Other income (expense), net - 0.1 (0.1) 0.4 0.4 (1.1) Income before income taxes 55.8 66.9 56.8 47.1 226.6 68.0 Income tax expense (17.6) (16.8) (14.0) (12.0) (60.4) (19.7) Net income from continuing operations 38.2 50.1 42.8 35.1 166.2 48.3 Net income (loss) from discontinued operations, net of income taxes 0.8 (0.1) (0.5) (1.4) (1.2) (1.4) Net income 39.0 50.0 42.3 33.7 165.0 46.9 Less: Non-controlling interest 0.1 - - 0.1 0.2 - Net income attributable to PolyOne common shareholders 39.1$ 50.0$ 42.3$ 33.8$ 165.2$ 46.9$ Earnings per share attributable to PolyOne common shareholders - Basic Continuing operations 0.45$ 0.59$ 0.51$ 0.43$ 1.98$ 0.58$ Discontinued operations 0.01$ -$ (0.01)$ (0.02)$ (0.01)$ (0.01)$ Total 0.46$ 0.59$ 0.50$ 0.41$ 1.97$ 0.57$ Earnings per share attributable to PolyOne common shareholders - Diluted Continuing operations 0.45$ 0.59$ 0.51$ 0.42$ 1.96$ 0.58$ Discontinued operations 0.01$ -$ (0.01)$ (0.02)$ (0.01)$ (0.01)$ Total 0.46$ 0.59$ 0.50$ 0.40$ 1.95$ 0.57$ POLYONE CORPORATION 4 Adjusted Financial Information Recast for DSS Divestiture Q1 2013 Q2 2013 Q3 2013 Q4 2013 2013 YTD Q1 2014 Q2 2014 Q3 2014 Q4 2014 2014 YTD Q1 2015 Q2 2015 Q3 2015 Q4 2015 2015 YTD Sales 759.6$ 838.7$ 821.1$ 754.4$ 3,173.8$ 828.7$ 841.5$ 806.1$ 741.7$ 3,218.0$ 754.0$ 775.5$ 729.2$ 665.4$ 2,924.1$ Cost of sales 601.6 670.6 656.6 606.9 2,535.7 656.0 660.1 637.0 592.6 2,545.7 588.7 597.4 561.0 511.0 2,258.1 Gross margin 158.0 168.1 164.5 147.5 638.1 172.7 181.4 169.1 149.1 672.3 165.3 178.1 168.2 154.4 666.0 Selling and administrative 102.4 106.2 107.6 107.5 423.7 109.6 108.4 100.0 94.5 412.5 91.6 93.1 88.1 96.5 369.3 Operating income 55.6 61.9 56.9 40.0 214.4 63.1 73.0 69.1 54.6 259.8 73.7 85.0 80.1 57.9 296.7 Interest expense, net (13.7) (16.6) (15.9) (15.2) (61.4) (15.5) (15.7) (15.4) (15.5) (62.1) (16.1) (16.2) (16.2) (15.5) (64.0) Other income (expense), net 0.1 (1.3) (1.5) - (2.7) (0.7) (0.9) (1.7) (1.5) (4.8) (0.6) (1.2) (1.8) 0.3 (3.3) Income before income taxes 42.0 44.0 39.5 24.8 150.3 46.9 56.4 52.0 37.6 192.9 57.0 67.6 62.1 42.7 229.4 Income tax expense (14.2) (16.1) (13.5) (9.8) (53.6) (14.9) (18.3) (16.6) (12.0) (61.8) (18.8) (21.3) (19.4) (12.1) (71.6) Adjusted net income from continuing operations 27.8 27.9 26.0 15.0 96.7 32.0 38.1 35.4 25.6 131.1 38.2 46.3 42.7 30.6 157.8 Less: Non-controlling interest 0.2 0.3 0.2 0.4 1.1 0.2 0.2 - 0.4 0.8 - (0.2) - 0.1 (0.1) Adjusted net income attributable to PolyOne common shareholders - continuing operations 28.0$ 28.2$ 26.2$ 15.4$ 97.8$ 32.2$ 38.3$ 35.4$ 26.0$ 131.9$ 38.2$ 46.1$ 42.7$ 30.7$ 157.7$ Adjusted earnings per share attributable to PolyOne common shareholders - Diluted 0.30$ 0.28$ 0.27$ 0.15$ 1.01$ 0.34$ 0.41$ 0.38$ 0.28$ 1.41$ 0.43$ 0.51$ 0.48$ 0.36$ 1.78$ Q1 2016 Q2 2016 Q3 2016 Q4 2016 2016 YTD Q1 2017 Sales 738.5$ 758.2$ 746.6$ 694.8$ 2,938.1$ 796.7$ Cost of sales 557.8 576.5 576.1 540.7 2,251.1 612.0 Gross margin 180.7 181.7 170.5 154.1 687.0 184.7 Selling and administrative 100.0 93.9 88.3 94.9 377.1 99.0 Operating income 80.7 87.8 82.2 59.2 309.9 85.7 Interest expense, net (14.6) (14.6) (15.1) (15.4) (59.7) (14.6) Other (expense) income, net (0.2) 0.2 (0.1) 0.3 0.2 (1.2) Income before income taxes 65.9 73.4 67.0 44.1 250.4 69.9 Income tax expense (21.0) (23.1) (20.7) (11.5) (76.3) (20.7) Adjusted net income from continuing operations 44.9 50.3 46.3 32.6 174.1 49.2 Less: Non-controlling interest 0.1 - - 0.1 0.2 - Adjusted net income attributable to PolyOne common shareholders - continuing operations 45.0$ 50.3$ 46.3$ 32.7$ 174.3$ 49.2$ Adjusted earnings per share attributable to PolyOne common shareholders - Diluted 0.53$ 0.59$ 0.55$ 0.39$ 2.06$ 0.59$ POLYONE CORPORATION 5 Business Segment and Data Recast for DSS Divestiture Q1 2013 Q2 2013 Q3 2013 Q4 2013 2013 YTD Q1 2014 Q2 2014 Q3 2014 Q4 2014 2014 YTD Q1 2015 Q2 2015 Q3 2015 Q4 2015 2015 YTD Sales: Color, Additives and Inks 205.3 229.4 219.0 198.6 852.3 219.6 228.7 212.0 190.5 850.8 208.5 217.4 199.9 184.9 810.7 Specialty Engineered Materials 152.9 158.8 157.6 146.2 615.5 157.4 157.8 145.8 137.3 598.3 141.9 139.7 136.0 125.2 542.8 Performance Products and Solutions 166.6 210.3 207.4 188.9 773.2 207.6 211.2 213.0 184.8 816.6 175.9 190.3 175.2 152.7 694.1 PolyOne Distribution 268.0 275.1 275.0 257.1 1,075.2 284.1 287.0 280.5 262.8 1,114.4 265.7 266.8 259.5 242.1 1,034.1 Corporate and Eliminations (33.2) (34.9) (37.9) (36.4) (142.4) (40.0) (43.2) (45.2) (33.7) (162.1) (38.0) (38.7) (41.4) (39.5) (157.6) Sales 759.6 838.7 821.1 754.4 3,173.8 828.7 841.5 806.1 741.7 3,218.0 754.0 775.5 729.2 665.4 2,924.1 Gross Margin: Color, Additives and Inks 67.7 75.2 71.8 63.1 277.8 74.9 81.7 71.8 65.1 293.5 73.4 80.0 73.4 67.0 293.8 Specialty Engineered Materials 39.2 39.0 39.2 35.8 153.2 42.6 43.5 39.7 37.4 163.2 43.0 41.1 39.6 37.3 161.0 Performance Products and Solutions 24.0 26.9 27.6 23.5 102.0 28.0 29.0 29.2 22.8 109.0 22.5 27.4 27.2 24.8 101.9 PolyOne Distribution 28.2 28.1 27.6 24.7 108.6 29.8 28.8 29.3 26.1 114.0 27.8 30.2 29.4 27.2 114.6 Corporate and Eliminations 1.9 12.4 (6.5) (49.7) (41.9) (6.8) (15.7) (8.0) (12.4) (42.9) (2.6) (2.8) (4.6) (9.8) (19.8) Gross Margin 161.0 181.6 159.7 97.4 599.7 168.5 167.3 162.0 139.0 636.8 164.1 175.9 165.0 146.5 651.5 Selling and Administrative Expense: Color, Additives and Inks 43.5 44.3 42.9 43.1 173.8 44.5 44.0 41.7 38.4 168.6 39.6 40.4 38.9 39.5 158.4 Specialty Engineered Materials 23.4 24.0 24.6 24.0 96.0 24.3 24.6 21.3 20.6 90.8 19.9 21.0 19.6 20.9 81.4 Performance Products and Solutions 10.4 11.6 12.5 11.5 46.0 12.0 11.4 11.4 11.1 45.9 11.0 11.1 11.1 11.3 44.5 PolyOne Distribution 12.0 11.2 11.0 11.1 45.3 12.6 11.5 10.6 11.1 45.8 12.1 11.1 11.8 11.6 46.6 Corporate and Eliminations 15.5 17.4 13.2 (23.6) 22.5 19.1 26.5 19.1 70.4 135.1 11.2 13.6 9.3 28.9 63.0 Selling and Administrative Expense 104.8 108.5 104.2 66.1 383.6 112.5 118.0 104.1 151.6 486.2 93.8 97.2 90.7 112.2 393.9 Operating Income: Color, Additives and Inks 24.2 30.9 28.9 20.0 104.0 30.4 37.7 30.1 26.7 124.9 33.8 39.6 34.5 27.5 135.4 Specialty Engineered Materials 15.8 15.0 14.6 11.8 57.2 18.3 18.9 18.4 16.8 72.4 23.1 20.1 20.0 16.4 79.6 Performance Products and Solutions 13.6 15.3 15.1 12.0 56.0 16.0 17.6 17.8 11.7 63.1 11.5 16.3 16.1 13.5 57.4 PolyOne Distribution 16.2 16.9 16.6 13.6 63.3 17.2 17.3 18.7 15.0 68.2 15.7 19.1 17.6 15.6 68.0 Corporate and Eliminations (13.5) (5.0) (19.7) 0.7 (37.5) (25.9) (42.2) (27.1) (82.8) (178.0) (13.8) (16.4) (13.9) (38.7) (82.8) Operating Income (loss) 56.3 73.1 55.5 58.1 243.0 56.0 49.3 57.9 (12.6) 150.6 70.3 78.7 74.3 34.3 257.6 Q1 2016 Q2 2016 Q3 2016 Q4 2016 2016 YTD Q1 2017 Sales: Color, Additives and Inks 204.9 212.2 195.9 184.7 797.7 211.8 Specialty Engineered Materials 141.0 143.3 146.2 135.3 565.8 159.1 Performance Products and Solutions 166.2 172.8 171.3 158.2 668.5 183.7 PolyOne Distribution 268.8 272.6 274.8 254.8 1,071.0 286.1 Corporate and Eliminations (42.4) (42.7) (41.6) (38.2) (164.9) (44.0) Sales 738.5 758.2 746.6 694.8 2,938.1 796.7 Gross Margin: Color, Additives and Inks 75.3 78.0 70.0 62.8 286.1 75.2 Specialty Engineered Materials 44.2 43.0 41.7 38.6 167.5 46.1 Performance Products and Solutions 32.4 33.0 29.2 26.6 121.2 33.9 PolyOne Distribution 30.7 29.5 29.6 27.3 117.1 31.4 Corporate and Eliminations (6.0) (1.6) (4.4) (2.8) (14.8) (4.3) Gross Margin 176.6 181.9 166.1 152.5 677.1 182.3 Selling and Administrative Expense: Color, Additives and Inks 40.4 39.8 38.6 39.8 158.6 40.1 Specialty Engineered Materials 20.8 21.6 21.2 22.8 86.4 22.5 Performance Products and Solutions 12.7 11.7 11.2 11.2 46.8 11.8 PolyOne Distribution 13.2 11.7 11.4 12.6 48.9 12.8 Corporate and Eliminations 19.1 15.3 11.7 4.0 50.1 11.1 Selling and Administrative Expense 106.2 100.1 94.1 90.4 390.8 98.3 Operating Income: Color, Additives and Inks 34.9 38.2 31.4 23.0 127.5 35.1 Specialty Engineered Materials 23.4 21.4 20.5 15.8 81.1 23.6 Performance Products and Solutions 19.7 21.3 18.0 15.4 74.4 22.1 PolyOne Distribution 17.5 17.8 18.2 14.7 68.2 18.6 Corporate and Eliminations (25.1) (16.9) (16.1) (6.8) (64.9) (15.4) Operating Income 70.4 81.8 72.0 62.1 286.3 84.0 POLYONE CORPORATION 6 Non-GAAP Reconciliations Q1 2013 Q2 2013 Q3 2013 Q4 2013 2013 YTD Q1 2014 Q2 2014 Q3 2014 Q4 2014 2014 YTD Q1 2015 Q2 2015 Q3 2015 Q4 2015 2015 YTD Sales 759.6 838.7 821.1 754.4 3,173.8 828.7 841.5 806.1 741.7 3,218.0 754.0 775.5 729.2 665.4 2,924.1 Gross margin - GAAP 161.0 181.6 159.7 97.4 599.7 168.5 167.3 162.0 139.0 636.8 164.1 175.9 165.0 146.5 651.5 Special items in gross margin (see slide 7) (3.0) (13.5) 4.8 50.1 38.4 4.2 14.1 7.1 10.1 35.5 1.2 2.2 3.2 7.9 14.5 Adjusted gross margin 158.0 168.1 164.5 147.5 638.1 172.7 181.4 169.1 149.1 672.3 165.3 178.1 168.2 154.4 666.0 Adjusted gross margin as a percent of sales 20.8% 20.0% 20.0% 19.6% 20.1% 20.8% 21.6% 21.0% 20.1% 20.9% 21.9% 23.0% 23.1% 23.2% 22.8% Operating income - GAAP 56.3 73.1 55.5 58.1 243.0 56.0 49.3 57.9 (12.6) 150.6 70.3 78.7 74.3 34.3 257.6 Special items in operating income (see slide 7) (0.7) (11.2) 1.4 (18.1) (28.6) 7.1 23.7 11.2 67.2 109.2 3.4 6.3 5.8 23.6 39.1 Adjusted operating income 55.6 61.9 56.9 40.0 214.4 63.1 73.0 69.1 54.6 259.8 73.7 85.0 80.1 57.9 296.7 Adjusted operating income as a percent of sales 7.3% 7.4% 6.9% 5.3% 6.8% 7.6% 8.7% 8.6% 7.4% 8.1% 9.8% 11.0% 11.0% 8.7% 10.1% Q1 2016 Q2 2016 Q3 2016 Q4 2016 2016 YTD Q1 2017 Sales 738.5 758.2 746.6 694.8 2,938.1 796.7 Gross margin - GAAP 176.6 181.9 166.1 152.5 677.1 182.3 Special items in gross margin (see slide 7) 4.1 (0.2) 4.4 1.6 9.9 2.4 Adjusted gross margin 180.7 181.7 170.5 154.1 687.0 184.7 Adjusted gross margin as a percent of sales 24.5% 24.0% 22.8% 22.2% 23.4% 23.2% Operating income - GAAP 70.4 81.8 72.0 62.1 286.3 84.0 Special items in operating income (see slide 7) 10.3 6.0 10.2 (2.9) 23.6 1.7 Adjusted operating income 80.7 87.8 82.2 59.2 309.9 85.7 Adjusted operating income as a percent of sales 10.9% 11.6% 11.0% 8.5% 10.5% 10.8% POLYONE CORPORATION 7 Summary of Special Items Q1 2013 Q2 2013 Q3 2013 Q4 2013 2013 YTD Q1 2014 Q2 2014 Q3 2014 Q4 2014 2014 YTD Q1 2015 Q2 2015 Q3 2015 Q4 2015 2015 YTD Cost of sales: Restructuring Costs - - - (2.5) (2.5) (3.3) (13.2) (2.8) (7.4) (26.7) (0.2) (0.2) (1.0) (6.3) (7.7) Environmental remediation costs (2.0) (1.3) (4.8) (52.6) (60.7) (0.9) (0.9) (5.9) (2.6) (10.3) (1.5) (2.0) (4.3) (1.5) (9.3) Pension & other post-retirement benefits - mark-to-market adjustment - - - 1.6 1.6 - - - (2.0) (2.0) - - - (1.0) (1.0) Reimbursement of previously incurred environmental costs 5.2 14.9 - 3.4 23.5 - - 1.6 2.1 3.7 0.5 - 2.1 0.9 3.5 Acquisition related adjustments (0.2) (0.1) - - (0.3) - - - (0.2) (0.2) - - - - - Impact on cost of sales 3.0 13.5 (4.8) (50.1) (38.4) (4.2) (14.1) (7.1) (10.1) (35.5) (1.2) (2.2) (3.2) (7.9) (14.5) Selling and administrative expense: Restructuring, legal and other (2.3) (1.9) 4.1 (1.0) (1.1) (2.7) (9.3) (3.9) 1.0 (14.9) (1.9) (3.4) (1.8) (3.9) (11.0) Unrealized gain on foreign currency option contracts 0.4 0.2 0.3 0.2 1.1 - - - - - - - - - - Pension & other post-retirement benefits - mark-to-market adjustment - - 42.4 42.4 - - - (54.5) (54.5) - - - (10.6) (10.6) Acquisition/divestiture related costs (0.5) (0.6) (1.0) (0.2) (2.3) (0.2) (0.3) (0.2) (3.6) (4.3) (0.3) (0.7) (0.8) (1.2) (3.0) Impact on selling and administrative expense (2.4) (2.3) 3.4 41.4 40.1 (2.9) (9.6) (4.1) (57.1) (73.7) (2.2) (4.1) (2.6) (15.7) (24.6) Gain on sale of investment in equity affiliates 0.1 - - 26.8 26.9 - - - - - - - - - - Impact on operating income 0.7 11.2 (1.4) 18.1 28.6 (7.1) (23.7) (11.2) (67.2) (109.2) (3.4) (6.3) (5.8) (23.6) (39.1) - - - Debt extinguishment costs (10.6) - (5.2) - (15.8) - - - - - - - - (16.4) (16.4) Bridge loan commitment fees - interest expense (1.9) - - - (1.9) - - - - - - - - - - Other income (expense), net 1.4 - - - 1.4 - 0.5 0.1 0.1 0.7 - - 0.1 - 0.1 Impact on income before income taxes (10.4) 11.2 (6.6) 18.1 12.3 (7.1) (23.2) (11.1) (67.1) (108.5) (3.4) (6.3) (5.7) (40.0) (55.4) Income tax benefit on above special items 3.9 (5.3) 1.9 (7.1) (6.6) 2.6 10.5 4.5 24.0 41.6 1.4 1.7 1.0 14.6 18.7 Tax adjustments (0.5) (0.2) (1.8) 0.3 (2.2) 1.6 5.2 0.1 3.6 10.5 (5.9) 23.9 9.6 (0.2) 27.4 Impact of special items on net income (7.0) 5.7 (6.5) 11.3 3.5 (2.9) (7.5) (6.5) (39.5) (56.4) (7.9) 19.3 4.9 (25.6) (9.3) Diluted earnings per common share impact (0.08)$ 0.06$ (0.07)$ 0.12$ 0.04$ (0.03)$ (0.08)$ (0.07)$ (0.43)$ (0.60)$ (0.09)$ 0.22$ 0.06$ (0.30)$ (0.11)$ Q1 2016 Q2 2016 Q3 2016 Q4 2016 2016 YTD Q1 2017 Cost of sales: Restructuring Costs 0.1 (1.0) - (0.2) (1.1) - Environmental remediation costs (1.7) (2.1) (2.4) (2.2) (8.4) (2.2) Pension & other post-retirement benefits - mark-to-market adjustment - - - 0.3 0.3 - Reimbursement of previously incurred environmental costs - 5.3 - 0.8 6.1 - Acquisition related adjustments (2.5) (2.0) (2.0) (0.3) (6.8) (0.2) Impact on cost of sales (4.1) 0.2 (4.4) (1.6) (9.9) (2.4) Selling and administrative expense: Restructuring, legal and other (5.9) (5.6) (5.3) (3.0) (19.8) 1.4 Unrealized gain on foreign currency option contracts - - - - - - Pension & other post-retirement benefits - mark-to-market adjustment - - - 8.1 8.1 - Acquisition/divestiture related costs (0.3) (0.6) (0.5) (0.6) (2.0) (0.7) Impact on selling and administrative expense (6.2) (6.2) (5.8) 4.5 (13.7) 0.7 Gain on sale of investment in equity affiliates - - - - - - Impact on operating income (10.3) (6.0) (10.2) 2.9 (23.6) (1.7) Debt extinguishment costs - (0.4) - - (0.4) (0.3) Bridge loan commitment fees - interest expense - - - - - - Other income (expense), net 0.2 (0.1) - 0.1 0.2 0.1 Impact on income before income taxes (10.1) (6.5) (10.2) 3.0 (23.8) (1.9) Income tax benefit on above special items 3.8 2.6 3.7 (1.8) 8.3 0.9 Tax adjustments (0.4) 3.7 3.0 1.3 7.6 0.1 Impact of special items on net income (6.7) (0.2) (3.5) 2.5 (7.9) (0.9) Diluted earnings per common share impact (0.08)$ -$ (0.04)$ 0.03$ (0.10)$ (0.01)$ Recast Financial Information for Discontinued Operations Table of Contents GAAP Financial Information Recast for DSS Divestiture Adjusted Financial Information Recast for DSS Divestiture Business Segment and Data Recast for DSS Divestiture Non-GAAP Reconciliations Summary of Special Items

These include: • Industrial – Conveyor belts (food production and pharmaceutical industries) and controls (joy sticks, machinery handles and knobs, corrugated bellows, tool grips) • Electrical and electronic devices – Seals and gaskets, radars and sensors • ADAS components – Camera systems, navigation systems, vehicle control systems, infotainment systems PRODUCT OVERVIEW STAT-TECH SOLUTIONS KEY TECHNICAL PROPERTIES Material Description Base Resin Color Hardness Range Surface Resistivity (Ω) Key Characteristics ST0100-5003 ESD FD White VN8904 GP0F025721 TPU White 85 ShA 108 to 109 High elongation, static conductive, FDA compliance ST0100-5006 ESD X2 Natural TPU Natural 85 ShA 107 to 109 High elongation, static conductive ST0200-5001 ESD Natural X1 TPE Natural 40 ShD 107 to 109 High elongation, permanent anti-static, static conductive SST0200-5004 ESD Black TPE Black 40 ShA 103 to 105 Electrically conductive, static dissipative, lower hardness ST0200-5002 EC ES Black TPE Black 60 ShA 100 to 102 Electrically conductive, high elongation ST0200-5009 EC Black TPE Black 60 ShA 100 to 102 Electrically conductive, high elongation Property Unit Standard Test Methods ST0100-5003 ESD FD White VN8904 GP0F02571 ST0100- 5006 ESD X2 Natural ST0200- 5001 ESD Natural X1 ST0200- 5004 ESD Black ST0200- 5002 EC ES Black ST0200- 5009 EC Black Base Resin TPU TPU TPE TPE TPE TPE Physical Properties Hardness Shore ISO 48-4 85A 85A 50D 40A 60 A 60A Density ISO 1183 1.19 1.15 1 1.01 0.965 1.21 Mechanical Properties Tensile Strength (Break) Mpa DIN 53404 10 15 15 4 5.7 2.5 Elongation, Break % DIN 53504 600 650 500 300 400 250 Electrical Properties Surface Resistivity Ω IEC 60093 108 to 109 107 to 109 107 to 109 103 to 105 100 to 102 100 to 102 Volume Resistivity Ω.cm IEC 60093 108 to 109 107 to 109 107 to 109 103 to 105 100 to 102 100 to 102 Color White Natural Natural Black Black Black Copyright © 2023, Avient Corporation.