Outdoor High Performance) 8 18% 3 Growth in Asia / LATAM 6 3% 2 Other 100 19% 5 Sub-total $1,327 14% $146 Outdoor High Performance Impact (5) (3) Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (28) (5) Q1 2022 $1,294 11% $136 Q1 2022 SALES AND OPERATING INCOME (TOTAL COMPANY) 11 Sales Growth Rate Adjusted Operating Income$ millions Adjusted EBITDA Q1 EBITDA BRIDGE 12 Price increases more than offset raw material and supply chain impacts Q1 2021 $ 161 Demand (23) $ millions CAI: Price / Mix 77 Inflation (54) SEM: Price / Mix 41 Inflation (26) Distribution: Price / Mix 84 Inflation (82) Net Price Benefit 40 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (5) Q1 2022 $ 171    China Lockdowns / Russia Impact $ (7) Transportation (7) Outdoor High Performance (3) Q1 EPS BRIDGE 13 Q1 2021 - Adjusted EPS 0.89$ CAI 0.08 Specialty Engineered Materials 0.06 Distribution 0.00 Corporate Costs 0.02 F/X (0.04) Segment OI 0.12 Tax Rate (0.02) Q1 2022 - Adjusted EPS 0.99$ 2022 O U T LO O K REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate 2022E Growth Rate Sustainable Solutions 8–12% 12% Healthcare 8–10% 10% Composites 10% 5% Asia / LATAM 5% 5% Other (GDP growth) 2–3% 2–3% Avient 6.5% 6% 15 Excluding Outdoor High Performance 20% (8% excl. We also monitor earnings (defined as net income from continuing operations) before interest, taxes, depreciation and amortization (EBITDA) and adjusted EBITDA (EBITDA before the impact of special items) as a supplement to our GAAP measures. Three Months Ended March 31, 2022 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating Income $ 128.6 $ 7.8 $ 136.4 Income before income taxes $ 111.1 $ 7.7 $ 118.8 Income tax expense - GAAP (26.6) — (26.6) Income tax impact of special items — (2.0) (2.0) Tax adjustments — 1.5 1.5 Net income attributable to noncontrolling interests (0.3) — (0.3) Net income attributable to Avient shareholders $ 84.2 $ 7.2 $ 91.4 EPS $ 0.91 0.08 $ 0.99 Weighted-average diluted shares 92.3 92.3 92.3 1 Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating Income $ 120.4 $ 2.4 $ 122.8 Income before income taxes $ 102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (22.9) — (22.9) Income tax impact of special items — (0.9) (0.9) Tax adjustments — 1.1 1.1 Net income attributable to noncontrolling interests (0.4) — (0.4) Net income attributable to Avient shareholders $ 79.3 $ 2.6 $ 81.9 EPS $ 0.86 0.03 $ 0.89 Weighted-average diluted shares 92.2 92.2 92.2 Year Ended December 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 381.2 $ 47.8 $ 429.0 Income from continuing operations before income taxes $ 304.6 $ 57.1 $ 361.7 Income tax expense - GAAP (74.0) — (74.0) Income tax impact of special items — (13.0) (13.0) Tax adjustments — 5.9 5.9 Net income attributable to noncontrolling interests 0.2 — 0.2 Net income from continuing operations attributable to Avient shareholders $ 230.8 $ 50.0 $ 280.8 EPS $ 2.51 0.54 $ 3.05 Weighted-average diluted shares 92.1 92.1 92.1 2 Reconciliation of EBITDA by Segment Three Months Ended March 31, Year Ended December 31, 2022 2021 2021 Operating income: Color, Additives and Inks $ 94.5 $ 88.8 $ 303.1 Specialty Engineered Materials 39.7 34.2 132.0 Distribution 24.2 24.0 93.2 Corporate and eliminations (29.8) (26.6) (147.1) Operating income $ 128.6 $ 120.4 $ 381.2 Items below OI in Corporate: Other income, net $ (0.6) $ 1.5 $ (1.3) Depreciation & amortization: Color, Additives and Inks $ 26.0 $ 27.4 $ 105.7 Specialty Engineered Materials 7.8 7.8 31.7 Distribution 0.2 0.2 0.8 Corporate and eliminations 3.8 1.7 7.7 Depreciation & Amortization $ 37.8 $ 37.1 $ 145.9 EBITDA: Color, Additives and Inks $ 120.5 $ 116.2 $ 408.8 Specialty Engineered Materials 47.5 42.0 163.7 Distribution 24.4 24.2 94.0 Corporate and eliminations (26.0) (24.9) (140.7) EBITDA $ 165.8 $ 159.0 $ 525.8 Reconciliation of Sales, Operating Income and EBITDA - Distribution Year Ended December 31, 2006 2011 2016 Sales $ 732.8 $ 996.5 $ 1,071.0 Operating income 19.2 56.0 68.2 Depreciation & amortization 1.5 0.7 0.7 EBITDA $ 20.7 $ 56.7 $ 68.9 3 Three Months Ended March 31, Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2022 2021 2021 Net income from continuing operations – GAAP $ 84.5 $ 79.7 $ 230.6 Income tax expense 26.6 22.9 74.0 Interest expense 16.9 19.3 75.3 Depreciation and amortization from continuing operations 37.8 37.1 145.9 EBITDA $ 165.8 $ 159.0 $ 525.8 Special items, before tax 7.7 2.4 57.1 Depreciation and amortization included in special items (2.1) (0.5) (1.7) Adjusted EBITDA $ 171.4 $ 160.9 $ 581.2 4 AVNT May IR Presentation.pdf Avient Corporation �investor meetings 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 Slide Number 10 Q1 2022 SALES AND OPERATING INCOME�(Total Company) Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 FIT with Four Pillar Strategy Dyneema® overview Slide Number 22 Slide Number 23 Dyneema® in the Value Chain Demand trends Products Avient’s Existing Composites Portfolio Avient’s Composites Portfolio�Sales and Ebitda Distribution Divestiture Considerations Distribution highlights Dyneema® Transaction Overview Capital structure / Leverage Two-Year Leverage Goal Pro forma modeling Our Specialty Journey Acquisition History Clariant Color Acquisition Specialty Transformation Culture and People Our Specialty Journey continues Slide Number 41 PEER COMPARISONS Avient is asset light High free cash flow conversion 2022 ebitda margins vs. peers Our valuation versus peers Slide Number 47 Slide Number 48 Slide Number 49 �2021 segment, end market and Geography Slide Number 51 Slide Number 52 Slide Number 53 Slide Number 54 Masseto IR Presentation - 4.19 645pm w Non GAAP Recs.pdf Masseto IR Presentation - 4.19 (515pm) - with attachments.pdf

Outdoor High Performance) 8 18% 3 Growth in Asia / LATAM 6 3% 2 Other 100 19% 5 Sub-total $1,327 14% $146 Outdoor High Performance Impact (5) (3) Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (28) (5) Q1 2022 $1,294 11% $136 Q1 2022 SALES AND OPERATING INCOME (TOTAL COMPANY) 6 Sales Growth Rate Adjusted Operating Income$ millions Adjusted EBITDA Q1 EBITDA BRIDGE 7 Price increases more than offset raw material and supply chain impacts Q1 2021 $ 161 Demand (23) $ millions CAI: Price / Mix 77 Inflation (54) SEM: Price / Mix 41 Inflation (26) Distribution: Price / Mix 84 Inflation (82) Net Price Benefit 40 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 5 Incentives, Other Employee Costs 8 FX (5) Q1 2022 $ 171    China Lockdowns / Russia Impact $ (7) Transportation (7) Outdoor High Performance (3) Q1 EPS BRIDGE 8 Q1 2021 - Adjusted EPS 0.89$ CAI 0.08 Specialty Engineered Materials 0.06 Distribution 0.00 Corporate Costs 0.02 F/X (0.04) Segment OI 0.12 Tax Rate (0.02) Q1 2022 - Adjusted EPS 0.99$ 10 15x stronger than steel Reduces weight by 30% vs. other solutions Well-maintained global asset base poised to serve growing demand • Purchase price of $1.48B represents 11.4x multiple of 2022 EBITDA • Acquisition will expand Avient’s composites and fiber portfolio with Dyneema®, the World’s Strongest Fiber™ • $415M sales and 30%+ EBITDA margins; Immediately accretive to pro forma 2022 EPS, adding $0.35 • 1,300 patents globally, ~50% of sales patent protected • 1,000+ employees across global production network and dedicated technology centers • Composites platform will increase from $261M to $680M in revenue and from $49M to $180M in EBITDA Indicates Dyneema® location $175M (42%) $65M (16%) $175M (42%) 2022E Sales By Region ($M) (1) $0.35 EPS excludes intangible amortization (2) Based on 2022 expected results (1) (2) (2) FIT WITH FOUR PILLAR STRATEGY 11 Specialization • Innovation-led organization with tremendous intellectual property value in trademarks, patents and “know-how” • Deep history of application development and premium, leading brand with the World’s Strongest FiberTM Globalization • Global customer base with an established presence across all major geographic regions • Global technology centers complement existing Composites applications and expertise Operational Excellence • Best-in-class safety performance • Well-run and maintained asset base fit to serve future growth • Highly effective and reliable supply chain with emphasis on optimizing service to customers Commercial Excellence • Deep customer relationships extend across the value chain and drive ability to grow • Offer a full suite of services with an active role in design, development and commercialization People Experienced and talented associates with a passion for safety, specialization and winning DYNEEMA® OVERVIEW K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders Body Armor • Helmets • Vehicle Protection $215M MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes $130M CONSUMER Consumer • Outdoor High Performance • Safety Equipment $70M 12 Figures reflect 2022 expected sales MIFOverview Competition Valuechain & Go-to-market Strategy Innovation Financials TECHNOLOGY 13 1,200 1,300 2,500 Avient Dyneema Combined Patents • True specialty business – the World’s Strongest Fiber™ • Deep history of application development with customers, strongest in the industry • The only UHMwPE (ultra-high molecular weight polyethylene) fiber producer that is backward integrated o Provides innovation advantage through control of all steps of the process • Complementary with our existing reinforced film expertise (PolyStrand) and engineered fiber presences (Fiber-Line) WINNING PROPERTIES Ultra high strength vs. weight Highly flexible Floats on water Chemically inert; no smell/taste and non-toxic High resistance to UV radiation Self-lubricating, with low friction One-of-a-kind technology ® FORMULATION PROCESS 14 • Like Avient, Dyneema® offers similar core competencies around formulation and material science • Technology that combines polymers and fibers to provide specialized, high performing solutions for customers • Design capabilities ensure that applications are highly customized for the specified end use DYNEEMA® IN THE VALUE CHAIN 15 UHMwPE Fiber / Tapes Military Personnel, Law Enforcement Heavy Marine, Offshore Wind Energy and Mooring, Aquaculture Outdoor, Footwear, Apparel, Inflatables • Material Science • Formulation • Service INTERMEDIATE MANUFACTURING (CUSTOMERS) OEM / APPLICATION DEMAND TRENDS 16 • Military spending and near-term demand for higher performing personal protection products (like Dyneema®) expected to increase o European NATO members annual defense spend expected to increase by up to 20%(1) o Accelerated launch of next generation technology in North America • Policy-driven demand for sustainable energy; growth in floating offshore wind farms which require advanced, durable technology o Offshore wind expected to grow at a CAGR of 32% with the level of annual installations quadrupling over the next five years(2) • Continued investment in aquaculture as a sustainable food source(3) • Strong demand in outdoor high performance space across niche consumer applications aligns with 10% growth assumption for Avient’s Composites portfolio Sources: (1) “Funding NATO”, NATO.int (April 1, 2022) (2) “Global Wind Report 2021”, Global Wind Energy Council (3) “Aquaculture Supports a Sustainable Earth”, NOAA Fisheries 17 A L I G N M E N T W I T H S U S T A I N A B I L I T Y G O A L S PRODUCTS AVIENT’S EXISTING COMPOSITES PORTFOLIO D I V E R S E C A P A B I L I T I E S A N D S O L U T I O N S S E R V I N G M A N U F A C T U R E R S A N D O E M S LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 18 AVIENT’S COMPOSITES PORTFOLIO SALES AND EBITDA 19 $74 $84 $216 $212 $261 $5 $10 $32 $41 $49 $180 0 50 100 150 200 $- $50 $100 $150 $200 $250 $300 $350 $400 $450 $500 $550 $600 $650 $700 $750 2017 2018 2019 2020 2021 2022E $680 ($ in millions) • Dyneema® acquisition will further improve Composites EBITDA margins to 26% • Dyneema® will complement our existing portfolio with deep formulation expertise, innovative culture and global commercial presence • Composites will continue to be a key growth driver to deliver future revenue growth in excess of GDP (1) Pro forma for the acquisition of Dyneema® (1) DISTRIBUTION DIVESTITURE CONSIDERATIONS DISTRIBUTION HIGHLIGHTS 21 $21 $57 $69 $94 $105 0 50 100 150 2006 2011 2016 2021 2022E • Leading North American Distribution business with longstanding blue-chip supplier and customer relationships • Commercial excellence and regulatory knowledge have grown healthcare portfolio to over 25% of sales and positioned business for long-term growth • Highly specialized portfolio of engineered polymers along with sustainable solution offerings • Leading digital capabilities through Avient Now, allowing enhanced visibility and 24/7 interface with customers • 98% free cash flow conversion drives greater than 30% after-tax return on invested capital (ROIC) • Potential divestiture allows us to remain modestly leveraged with net debt to adjusted EBITDA expected to be 2.9x and positions us for further specialty growth in the future EBITDA (in $M) DYNEEMA® TRANSACTION OVERVIEW 22 - $1.48B net purchase price - Represents 11.4x expected 2022 EBITDA - Committed financing in place - Permanent financing to be combination of available cash on-hand, new Senior Unsecured Notes, new Senior Secured Term Loan - Potential proceeds from Distribution divestment could be used to pay down near-term maturing debt - Closing expected in second half of 2022, subject to regulatory approvals and certain customary closing conditions Transaction Value Financing Closing Conditions / Timing CAPITAL STRUCTURE / LEVERAGE 23 • Financing commitments secured from Morgan Stanley and J.P. We also monitor earnings (defined as net income from continuing operations) before interest, taxes, depreciation and amortization (EBITDA) and adjusted EBITDA (EBITDA before the impact of special items) as a supplement to our GAAP measures. Three Months Ended March 31, 2022 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating Income $ 128.6 $ 7.8 $ 136.4 Income before income taxes $ 111.1 $ 7.7 $ 118.8 Income tax expense - GAAP (26.6) — (26.6) Income tax impact of special items — (2.0) (2.0) Tax adjustments — 1.5 1.5 Net income attributable to noncontrolling interests (0.3) — (0.3) Net income attributable to Avient shareholders $ 84.2 $ 7.2 $ 91.4 EPS $ 0.91 0.08 $ 0.99 Weighted-average diluted shares 92.3 92.3 92.3 1 Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating Income $ 120.4 $ 2.4 $ 122.8 Income before income taxes $ 102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (22.9) — (22.9) Income tax impact of special items — (0.9) (0.9) Tax adjustments — 1.1 1.1 Net income attributable to noncontrolling interests (0.4) — (0.4) Net income attributable to Avient shareholders $ 79.3 $ 2.6 $ 81.9 EPS $ 0.86 0.03 $ 0.89 Weighted-average diluted shares 92.2 92.2 92.2 Year Ended December 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 381.2 $ 47.8 $ 429.0 Income from continuing operations before income taxes $ 304.6 $ 57.1 $ 361.7 Income tax expense - GAAP (74.0) — (74.0) Income tax impact of special items — (13.0) (13.0) Tax adjustments — 5.9 5.9 Net income attributable to noncontrolling interests 0.2 — 0.2 Net income from continuing operations attributable to Avient shareholders $ 230.8 $ 50.0 $ 280.8 EPS $ 2.51 0.54 $ 3.05 Weighted-average diluted shares 92.1 92.1 92.1 2 Reconciliation of EBITDA by Segment Three Months Ended March 31, Year Ended December 31, 2022 2021 2021 Operating income: Color, Additives and Inks $ 94.5 $ 88.8 $ 303.1 Specialty Engineered Materials 39.7 34.2 132.0 Distribution 24.2 24.0 93.2 Corporate and eliminations (29.8) (26.6) (147.1) Operating income $ 128.6 $ 120.4 $ 381.2 Items below OI in Corporate: Other income, net $ (0.6) $ 1.5 $ (1.3) Depreciation & amortization: Color, Additives and Inks $ 26.0 $ 27.4 $ 105.7 Specialty Engineered Materials 7.8 7.8 31.7 Distribution 0.2 0.2 0.8 Corporate and eliminations 3.8 1.7 7.7 Depreciation & Amortization $ 37.8 $ 37.1 $ 145.9 EBITDA: Color, Additives and Inks $ 120.5 $ 116.2 $ 408.8 Specialty Engineered Materials 47.5 42.0 163.7 Distribution 24.4 24.2 94.0 Corporate and eliminations (26.0) (24.9) (140.7) EBITDA $ 165.8 $ 159.0 $ 525.8 Reconciliation of Sales, Operating Income and EBITDA - Distribution Year Ended December 31, 2006 2011 2016 Sales $ 732.8 $ 996.5 $ 1,071.0 Operating income 19.2 56.0 68.2 Depreciation & amortization 1.5 0.7 0.7 EBITDA $ 20.7 $ 56.7 $ 68.9 3 Three Months Ended March 31, Year Ended December 31, Reconciliation to EBITDA and Adjusted EBITDA: 2022 2021 2021 Net income from continuing operations – GAAP $ 84.5 $ 79.7 $ 230.6 Income tax expense 26.6 22.9 74.0 Interest expense 16.9 19.3 75.3 Depreciation and amortization from continuing operations 37.8 37.1 145.9 EBITDA $ 165.8 $ 159.0 $ 525.8 Special items, before tax 7.7 2.4 57.1 Depreciation and amortization included in special items (2.1) (0.5) (1.7) Adjusted EBITDA $ 171.4 $ 160.9 $ 581.2 4 Masseto IR Presentation - Final.pdf Avient Corporation �specialty Portfolio Transformation Continues with Dyneema Acquisition DISCLAIMER Slide Number 3 Slide Number 4 Slide Number 5 Q1 2022 SALES AND OPERATING INCOME�(Total Company) Slide Number 7 Slide Number 8 Slide Number 9 Slide Number 10 FIT with Four Pillar Strategy Dyneema® overview Slide Number 13 Slide Number 14 Dyneema® in the Value Chain Demand trends Products Avient’s Existing Composites Portfolio Avient’s Composites Portfolio�Sales and Ebitda Distribution Divestiture Considerations Distribution highlights Dyneema® Transaction Overview Capital structure / Leverage Two-Year Leverage Goal Pro forma modeling Our Specialty Journey Acquisition History Clariant Color Acquisition Specialty Transformation 2022 ebitda margins vs. peers Culture and People Our Specialty Journey continues Slide Number 33 Avient Acquisition of Dyneema and Q1 2022 Results.pdf Masseto IR Presentation - 4.19 (515pm) - with attachments.pdf

& Canada 50% EMEA 26% Asia 16% Latin America 8% 2021 YTD SEGMENT, END MARKET AND GEOGRAPHY 30 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 20% Industrial 16% Building and Construction 9% Telecommunications 4% Energy 2% END MARKET REVENUE (1) Total company sales and EBITDA of $2,398M and $320M, respectively, include intercompany sales eliminations and corporate costs All charts reflect YTD financials through June 30 $1,234M $228M $457M $87M $767M $48M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $320M$2,398M (1) Transportation 12% Healthcare 14% Packaging 34% Consumer 21% Healthcare 7% Industrial 16% Building & Construction 10% Transportation 9% Energy 2% Telecommunications 1% C O L O R , A D D I T I V E S & I N K S 2021 YTD REVENUE | $1 .2 BILL ION US & Canada 31% EMEA 42% Asia 21% Latin America 6% END MARKET REGION 31 All charts reflect 2021 YTD financials through June 30 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 Consumer 28% Healthcare 10% Packaging 6% Telecommunications 16% Industrial 12% Transportation 11% Building & Construction 10% Energy 7% 2021 YTD REVENUE | $457 MILLION END MARKET US & Canada 54% EMEA 26% Asia 20% REGION 32 All charts reflect 2021 YTD financials through June 30 DI S TR IBU T I ON Healthcare 27% Consumer 22% Packaging 5% Industrial 20% Transportation 16% Building and Construction 8% Energy 1% Telecommunications 1% US & Canada 81% Asia 4% Latin America 15% END MARKET REGION K E Y S U P P L I ER S 2021 YTD REVENUE | $767 MILLION 33 All charts reflect 2021 YTD financials through June 30 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET Packaging 30% Consumer 27%Healthcare 11% Industrial 15% Building & Construction 5% Telecommunications 2% Energy 2% Asia (16% of sales) Transportation 8% Packaging 32% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 11% Telecommunications 5% Energy 4% EMEA (26% of sales) Transportation 12% 34 Consumer 25% Healthcare 19% Packaging 11% Industrial 16% Building & Construction 10% Telecommunications 4% Energy 2% US & Canada (50% of sales) Transportation 13% Packaging 40% Consumer 33% Healthcare 4% Industrial 10% Building & Construction 5% Telecommunications 1% LATAM (8% of sales) Transportation 7% All charts reflect 2021 YTD financials through June 30 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Three Months Ended June 30, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 108.1 $ 14.2 $ 122.3 Income from continuing operations 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 from continuing operations attributable to Avient shareholders $ 68.8 $ 11.7 $ 80.5 Net income / EPS $ 0.74 $ 0.13 $ 0.87 Weighted-average diluted shares 92.4 92.4 92.4 Three Months Ended September 30, 2020 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 33.5 $ 40.4 $ 73.9 Income from continuing operations before income taxes $ 5.3 $ 50.0 $ 55.3 Income tax expense - GAAP (2.7) — (2.7) Income tax impact of special items — (12.7) (12.7) Tax adjustments — 3.0 3.0 Net income attributable to noncontrolling interests (0.9) — (0.9) Net income from continuing operations attributable to Avient shareholders $ 1.7 $ 40.3 $ 42.0 Net income / EPS $ 0.02 $ 0.44 $ 0.46 Weighted-average diluted shares 91.9 91.9 91.9 Three Months Ended Year Ended December 31, Reconciliation to Pro Forma Adjusted EBITDA June 30, 2021 March 31, 2021 June 30, 2020 2020 2019 Net income from continuing operations – GAAP $ 69.4 $ 79.7 $ 23.4 $ 133.8 $ 75.7 Income tax expense 20.4 22.9 7.9 5.2 33.7 Interest expense 19.5 19.3 16.2 74.6 59.5 Depreciation and amortization from continuing operations 33.8 37.1 20.9 115.0 78.1 EBITDA $ 143.1 $ 159.0 $ 68.4 $ 328.6 $ 247.0 Special items, before tax 14.2 2.4 2.4 66.2 61.7 Interest expense included in special items — — (0.5) (10.1) — Depreciation and amortization included in special items 1.4 (0.5) (1.2) (3.2) — Adjusted EBITDA $ 158.7 $ 160.9 $ 69.1 $ 381.6 $ 308.7 Clariant MB pro forma adjustments(1) — — 37.0 75.1 133.2 Pro forma adjusted EBITDA $ 158.7 $ 160.9 $ 106.1 $ 456.7 $ 441.9 (1) Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects to the financing for the acquisition 1 Reconciliation of EBITDA by Segment Three Months Ended June 30, Six Months Ended June 30, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 483.3 $ 1,502.9 $ 1,003.8 Specialty Engineered Materials 240.6 158.8 457.1 344.1 708.8 745.7 Distribution 404.4 238.8 767.1 528.3 1,110.3 1,192.2 Corporate and eliminations (34.2) (15.3) (60.4) (35.1) (79.9) (79.0) Sales $ 1,235.2 $ 609.1 $ 2,397.5 $ 1,320.6 $ 3,242.1 $ 2,862.7 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 37.3 17.0 71.5 94.4 83.7 72.3 Distribution 23.7 14.6 47.7 69.5 75.4 71.5 Corporate and eliminations (39.2) (25.9) (65.8) (155.4) (149.7) (123.7) Operating income $ 108.1 $ 38.0 $ 228.5 $ 189.3 $ 156.8 $ 178.6 Items below OI in Corporate: Other income, net $ 1.2 $ 9.5 $ 2.7 $ 24.3 $ 12.1 $ (12.9) Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 8.1 7.6 15.9 30.0 29.5 23.2 Distribution 0.2 0.1 0.4 0.7 0.5 0.7 Corporate and eliminations 0.2 2.6 2.0 9.2 5.4 4.4 Depreciation & Amortization $ 33.8 $ 20.9 $ 70.9 $ 115.0 $ 78.1 $ 72.6 EBITDA: Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 45.4 24.6 87.4 124.4 113.2 95.5 Distribution 23.9 14.7 48.1 70.2 75.9 72.2 Corporate and eliminations (39.0) (23.3) (63.8) (146.2) (144.3) (119.3) EBITDA $ 143.1 $ 68.4 $ 302.1 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 17.9 % 18.9 % 18.5 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 18.9 % 15.5 % 19.1 % 17.6 % 15.2 % 14.8 % Distribution 5.9 % 6.2 % 6.3 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended June 30, Six Months Ended June 30, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 624.4 $ 226.8 $ 1,233.7 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) — 261.1 — 540.4 1,118.6 1,209.8 Pro forma sales $ 624.4 $ 487.9 $ 1,233.7 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 86.3 $ 32.3 $ 175.1 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) — 22.0 — 45.0 72.9 80.3 Pro forma operating income $ 86.3 $ 54.3 $ 175.1 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 25.3 $ 10.6 $ 52.6 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) — 15.0 — 30.1 60.3 61.2 Pro forma depreciation & amortization $ 25.3 $ 25.6 $ 52.6 $ 105.2 $ 103.0 $ 105.5 EBITDA Color, Additives and Inks $ 111.6 $ 42.9 $ 227.7 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) — 37.0 — 75.1 133.2 141.5 Pro forma EBITDA $ 111.6 $ 79.9 $ 227.7 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 17.9 % 16.4 % 18.5 % 16.2 % 15.2 % 15.3 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Three Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (6.6) 2.9 — 2.9 Income taxes (7.9) 0.2 (7.7) (3.8) (11.5) Net income attributable to noncontrolling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 2.6 $ 25.6 $ 12.9 $ 38.5 Weighted average diluted shares 91.8 Pro forma adjusted EPS $ 0.42 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 3 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 4 AVNT Q2 2021 Earnings Presentation - 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& Canada 50% EMEA 26% Asia 16% Latin America 8% 2020 SEGMENT, END MARKET AND GEOGRAPHY 25 GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 23% Packaging 21%Industrial 15% Wire & Cable 6% Building & Construction 6% Electrical & Electronics 4% END MARKET REVENUE Transportation 10% Healthcare 15% All data reflects 2020 Pro forma for acquisition of the Clariant Masterbatch business. (1) The total company sales and EBITDA of $3,783M and $457M, respectively, include intercompany sales eliminations and corporate costs $2,043M $331M $709M $124M $1,110M $70M Sales EBITDA Distribution Specialty Engineered Materials Color Additives and Inks $457M$3,783M (1) Packaging 35% Consumer 23% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 7% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION US & Canada 31% EMEA 40% Asia 22% Latin America 7% END MARKET REGION 26 2020 figures Pro forma for acquisition of the Clariant Masterbatch business 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 Consumer 24% Healthcare 10% Packaging 6% Wire & Cable(1) 24% Electrical & Electronics 13% Transportation 11% Industrial 10% Building & Construction 2% 2020 REVENUE | $709 MILLION END MARKET US & Canada 58% EMEA 23% Asia 19% REGION 27 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling DI S TR IBU T I ON 2020 REVENUE | $1 .1 B ILL ION Healthcare 29% Consumer 25% Packaging 2% Industrial 20% Transportation 14% Electrical & Electronics 5% Building & Construction 4% Wire & Cable 1% US & Canada 82% Asia 3% Latin America 15% END MARKET REGION K E Y S U P P L I ER S 28 TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET Packaging 32% Consumer 27% Healthcare 12% Industrial 6% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Asia (16% of sales) Transportation 4% Packaging 34% Consumer 16%Healthcare 5% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% EMEA (26% of sales) Transportation 7% 2020 figures Pro forma for acquisition of the Clariant Masterbatch business 29 Transportation 10% Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% US & Canada (50% of sales) Packaging 45% Consumer 29% Healthcare 6% Industrial 8% Building & Construction 3% Electrical & Electronics 2% Wire & Cable 1% LATAM (8% of sales) Transportation 6% Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Income from continuing operations before income taxes $ 102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (22.9) — (22.9) Income tax impact of special items — (0.9) (0.9) Tax adjustments — 1.1 1.1 Net income attributable to noncontrolling interests (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 79.3 $ 2.6 $ 81.9 Net income / EPS $ 0.86 0.03 $ 0.89 Weighted-average diluted shares 92.2 92.2 92.2 Reconciliation to Consolidated Statements of Income Three Months Ended March 31, 2021 Operating income - GAAP $ 120.4 Special items in operating income 2.4 Adjusted Operating income $ 122.8 1 Business Segment Operations Three Months Ended March 31, Year Ended December 31, 2021 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 609.3 $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Specialty Engineered Materials 216.5 185.3 708.8 745.7 645.8 Distribution 362.7 289.5 1,110.3 1,192.2 1,265.4 Corporate and eliminations (26.2) (19.8) (79.9) (79.0) (76.7) Sales $ 1,162.3 $ 711.5 $ 3,242.1 $ 2,862.7 $ 2,881.0 Gross margin: Color, Additives and Inks $ 197.5 $ 89.4 $ 484.4 $ 338.4 $ 353.4 Specialty Engineered Materials 64.7 52.6 207.6 200.2 171.7 Distribution 39.3 33.6 124.0 132.1 125.8 Corporate and eliminations 0.9 (4.1) (31.7) (13.5) (26.1) Gross margin $ 302.4 $ 171.5 $ 784.3 $ 657.2 $ 624.8 Selling and administrative expense: Color, Additives and Inks $ 108.7 $ 48.9 $ 303.6 $ 191.0 $ 194.9 Specialty Engineered Materials 30.5 30.3 113.2 116.5 99.4 Distribution 15.3 14.2 54.5 56.7 54.3 Corporate and eliminations 27.5 25.3 123.7 136.2 97.6 Selling and administrative expense $ 182.0 $ 118.7 $ 595.0 $ 500.4 $ 446.2 Operating income: Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 34.2 22.3 94.4 83.7 72.3 Distribution 24.0 19.4 69.5 75.4 71.5 Corporate and eliminations (26.6) (29.4) (155.4) (149.7) (123.7) Operating income $ 120.4 $ 52.8 $ 189.3 $ 156.8 $ 178.6 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 42.0 29.8 124.4 113.2 95.5 Distribution 24.2 19.5 70.2 75.9 72.2 Corporate and eliminations (24.9) (28.0) (146.2) (144.3) (119.3) Other income, net 1.5 1.6 24.3 12.1 (12.9) EBITDA $ 159.0 $ 74.3 $ 328.6 $ 247.0 $ 238.3 EBITDA as a % of Sales: Color, Additives and Inks 19.1 % 20.0 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 19.4 % 16.1 % 17.6 % 15.2 % 14.8 % Distribution 6.7 % 6.7 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma EBITDA - Color, Additives and Inks Three Months Ended March 31, Year Ended December 31, 2021 2020 2020 2019 2018 Sales: Color, Additives and Inks $ 609.3 $ 256.5 $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant MB pro forma adjustments(1) — 279.4 540.4 1,118.6 1,209.8 Pro forma sales $ 609.3 $ 535.9 $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 88.8 $ 40.5 $ 180.8 $ 147.4 $ 158.5 Clariant MB pro forma adjustments(1) — 23.0 45.0 72.9 80.3 Pro forma operating income $ 88.8 $ 63.5 $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 27.4 $ 10.9 $ 75.1 $ 42.7 $ 44.3 Clariant MB pro forma adjustments(1) — 15.1 30.1 60.3 61.2 Pro forma depreciation & amortization $ 27.4 $ 26.0 $ 105.2 $ 103.0 $ 105.5 Earnings Before Interest, Taxes, Depreciation and Amortization (EBITDA): Color, Additives and Inks $ 116.2 $ 51.4 $ 255.9 $ 190.1 $ 202.8 Clariant MB pro forma adjustments(1) — 38.1 75.1 133.2 141.5 Pro forma EBITDA $ 116.2 $ 89.5 $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 19.1 % 16.7 % 16.2 % 15.2 % 15.3 % Three Months Ended March 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 711.5 $ — $ 711.5 $ 279.4 $ 990.9 Operating income 52.8 9.7 62.5 23.0 85.5 Interest expense, net (9.4) — (9.4) (12.8) (22.2) Other income, net 1.6 (0.1) 1.5 — 1.5 Income taxes (11.9) (1.0) (12.9) (2.4) (15.3) Net income from continuing operations attributable to Avient shareholders $ 33.1 $ 8.6 $ 41.7 $ 7.8 $ 49.5 Weighted average diluted shares 86.7 Impact to diluted shares from January 2020 equity offering 6.1 Weighted average diluted shares 92.8 EPS $ 0.53 (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 3 Three Months Ended June 30, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(2) Pro Forma Adjusted Avient Sales $ 609.1 $ — $ 609.1 $ 261.1 $ 870.2 Operating income $ 38.0 $ 9.0 $ 47.0 $ 22.0 $ 69.0 Interest expense, net (16.2) — (16.2) (5.3) (21.5) Other income, net 9.5 (0.3) 9.2 — 9.2 Income taxes (7.9) 0.7 (7.2) (3.8) (11.0) Net income attributable to non controlling interests (0.4) — (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 23.0 $ 9.4 $ 32.4 $ 12.9 $ 45.3 Weighted average diluted shares 91.8 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 107.1 Pro forma adjusted EPS $ 0.42 (2) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition Year Ended December 31, Reconciliation to Adjusted EBITDA 2020 2019 2018 Net income from continuing operations – GAAP $ 133.8 $ 75.7 $ 87.4 Income tax expense 5.2 33.7 14.4 Interest expense 74.6 59.5 62.8 Debt extinguishment cost — — 1.1 Depreciation and amortization from continuing operations 115.0 78.1 72.6 EBITDA $ 328.6 $ 247.0 $ 238.3 Special items, before tax 66.2 61.7 59.5 Interest expense included in special items (10.1) — — Accelerated depreciation included in special items (3.2) — (3.0) Adjusted EBITDA $ 381.6 $ 308.7 $ 294.8 4 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(3) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations Operating income and other income, net $ 213.6 $ — $ 56.1 $ 269.7 $ 45.0 $ — $ 314.7 Depreciation and amortization 115.0 (3.2) 111.8 30.1 141.9 EBITDA from continuing operations $ 328.6 $ 52.9 $ 381.5 $ 75.1 $ 456.6 Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share Avient Special Items Adjusted Avient Clariant MB Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations Operating income and other income, net $ 168.9 $ — $ 61.7 $ 230.6 $ 72.9 $ — $ 303.5 Depreciation and amortization 78.1 — 78.1 60.3 138.4 EBITDA from continuing operations $ 247.0 $ 61.7 $ 308.7 $ 133.2 $ 441.9 (3) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 5 AVNT First Quarter 2021 Earnings Presentation no recs.pdf AVNT First Quarter 2021 Earnings Presentation.pdf AVNT First Quarter 2021 Earnings Presentation.pdf AVNT First Quarter 2021 Earnings Presentation.pdf 4.29 127pm Q1 21 IR Deck Version non-GAAP Recs (002).pdf

We also monitor earnings (defined as net income from continuing operations) before interest, taxes, depreciation and amortization (EBITDA) and adjusted EBITDA (EBITDA before the impact of special items) as a supplement to our GAAP measures. A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below. 1 Reconciliation of EBITDA by Segment Three Months Ended December 31, Year Ended December 31, 2021 2020 2021 2020 2019 2018 Sales: Color, Additives and Inks $ 581.3 $ 525.8 $ 2,401.6 $ 1,502.9 $ 1,003.8 $ 1,046.5 Specialty Engineered Materials 228.2 190.6 918.9 708.8 745.7 645.8 Distribution 425.0 305.1 1,630.9 1,110.3 1,192.2 1,265.4 Corporate and eliminations (33.0) (24.5) (132.6) (79.9) (79.0) (76.7) Sales $ 1,201.5 $ 997.0 $ 4,818.8 $ 3,242.1 $ 2,862.7 $ 2,881.0 Operating income: Color, Additives and Inks $ 61.2 $ 57.5 $ 303.1 $ 180.8 $ 147.4 $ 158.5 Specialty Engineered Materials 28.8 30.4 132.0 94.4 83.7 72.3 Distribution 21.7 18.0 93.2 69.5 75.4 71.5 Corporate and eliminations (37.7) (40.9) (147.1) (155.4) (149.7) (123.7) Operating Income $ 74.0 $ 65.0 $ 381.2 $ 189.3 $ 156.8 $ 178.6 Items Below Operating Income in Corporate: Other income, net $ (5.4) $ 11.7 $ (1.3) $ 24.3 $ 12.1 $ (12.9) Depreciation & amortization: Color, Additives and Inks $ 26.4 $ 27.3 $ 105.7 $ 75.1 $ 42.7 $ 44.3 Specialty Engineered Materials 8.0 7.4 31.7 30.0 29.5 23.2 Distribution 0.2 0.3 0.8 0.7 0.5 0.7 Corporate and eliminations 3.6 2.8 7.7 9.3 5.4 4.4 Depreciation & Amortization $ 38.2 $ 37.8 $ 145.9 $ 115.1 $ 78.1 $ 72.6 EBITDA: Color, Additives and Inks $ 87.6 $ 84.8 $ 408.8 $ 255.9 $ 190.1 $ 202.8 Specialty Engineered Materials 36.8 37.8 163.7 124.4 113.2 95.5 Distribution 21.9 18.3 94.0 70.2 75.9 72.2 Corporate and eliminations (39.5) (26.4) (140.7) (121.8) (132.2) (132.2) EBITDA $ 106.8 $ 114.5 $ 525.8 $ 328.7 $ 247.0 $ 238.3 EBITDA as a % of sales: Color, Additives and Inks 15.1 % 16.1 % 17.0 % 17.0 % 18.9 % 19.4 % Specialty Engineered Materials 16.1 % 19.8 % 17.8 % 17.6 % 15.2 % 14.8 % Distribution 5.2 % 6.0 % 5.8 % 6.3 % 6.4 % 5.7 % 2 Reconciliation of Pro Forma Sales, Operating Income and EBITDA - Color, Additives and Inks Year Ended December 31, 2020 2019 2018 Sales: Color, Additives and Inks $ 1,502.9 $ 1,003.8 $ 1,046.5 Clariant Color pro forma adjustments(1) 540.4 1,118.6 1,209.8 Pro forma sales $ 2,043.3 $ 2,122.4 $ 2,256.3 Operating income: Color, Additives and Inks $ 180.8 $ 147.4 $ 158.5 Clariant Color pro forma adjustments(1) 45.0 72.9 80.3 Pro forma operating income $ 225.8 $ 220.3 $ 238.8 Depreciation & amortization: Color, Additives and Inks $ 75.1 $ 42.7 $ 44.3 Clariant Color pro forma adjustments(1) 30.1 60.3 61.2 Pro forma depreciation & amortization $ 105.2 $ 103.0 $ 105.5 EBITDA Color, Additives and Inks $ 255.9 $ 190.1 $ 202.8 Clariant Color pro forma adjustments(1) 75.1 133.2 141.5 Pro forma EBITDA $ 331.0 $ 323.3 $ 344.3 Pro forma EBITDA as a % of Sales 16.2 % 15.2 % 15.3 % Three Months Ended December 31, Year Ended December 31, Reconciliation to Adjusted EBITDA: 2021 2020 2021 2020 2019 Net income from continuing operations – GAAP $ 28.9 $ 74.7 $ 230.6 $ 133.8 $ 75.7 Income tax expense (benefit) 22.2 (17.3) 74.0 5.2 33.7 Interest expense 17.5 19.3 75.3 74.6 59.5 Depreciation and amortization from continuing operations 38.2 37.8 145.9 115.0 78.1 EBITDA $ 106.8 $ 114.5 $ 525.8 $ 328.6 $ 247.0 Special items, before tax 20.6 4.2 57.1 66.2 61.7 Interest expense included in special items — — — (10.1) — Depreciation and amortization included in special items (1.6) (0.70) (1.7) (3.2) — Adjusted EBITDA $ 125.8 $ 118.0 $ 581.2 $ 381.6 $ 308.7 Clariant Color pro forma adjustments(1) — 33.4 — 75.1 133.2 Pro forma adjusted EBITDA $ 125.8 $ 113.1 $ 581.2 $ 456.7 $ 441.9 Free Cash Flow Calculation December 31, 2021 Cash provided by operating activities 233.8 Capital expenditures (100.6) Free cash flow $ 133.2 3 Net Debt Calculation December 31, 2021 Total long-term debt, net $ 1,850.3 Unamortized discount and debt issuance cost 14.4 Short-term and current portion of long term debt 8.6 Total debt $ 1,873.3 Cash (601.2) Net debt $ 1,272.1 Three Months Ended December 31, 2021 Reconciliation of Adjusted Earnings per Share: Avient Special Items Adjusted Avient Sales $ 1,201.5 $ — $ 1,201.5 Operating income $ 74.0 $ 11.2 $ 85.2 Interest expense, net (17.5) — (17.5) Other income, net (5.4) 9.4 4.0 Income taxes (22.2) 3.4 (18.8) Net income from continuing operations attributable to Avient shareholders $ 29.8 $ 24.0 $ 53.8 Weighted average diluted shares 92.1 Adjusted EPS - excluding special items $ 0.58 Reconciliation of Adjusted EBITDA from continuing operations: Operating income and other income, net $ 68.6 $ 20.6 $ 89.2 Depreciation and amortization 38.2 (1.6) 36.6 EBITDA from continuing operations $ 106.8 $ 19.0 $ 125.8 EBITDA as a % of sales 10.5 % Three Months Ended December 31, 2020 Reconciliation of Adjusted Earnings per Share: Avient Special Items Adjusted Avient Sales $ 997.0 $ — $ 997.0 Operating income $ 65.0 $ 14.6 $ 79.6 Interest expense, net (19.3) — (19.3) Other income, net 11.7 (10.4) 1.3 Income taxes 17.3 (30.9) (13.6) Net income from continuing operations attributable to Avient shareholders $ 74.2 $ (26.7) $ 47.5 Weighted average diluted shares 92.1 Adjusted EPS - excluding special items $ 0.52 Reconciliation of Adjusted EBITDA from continuing operations: Operating income and other income, net $ 76.7 $ 4.2 $ 80.9 Depreciation and amortization 37.8 (0.7) 37.1 EBITDA from continuing operations $ 114.5 $ 3.5 $ 118.0 EBITDA as a % of sales 11.8 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 4 Year Ended December 31, 2020 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant Color Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 3,242.1 $ — $ 3,242.1 $ 540.4 $ 3,782.5 Operating income $ 189.3 $ 73.7 $ 263.0 $ 45.0 $ 308.0 Interest expense, net (74.6) 10.1 (64.5) (18.1) (82.6) Other income, net 24.3 (17.6) 6.7 — 6.7 Income taxes (5.2) (41.4) (46.6) (6.2) (52.8) Net income attributable to noncontrolling interests (1.8) — (1.8) — (1.8) Net income from continuing operations attributable to Avient shareholders $ 132.0 $ 24.8 $ 156.8 $ 20.7 $ 177.5 Weighted average diluted shares 90.6 Impact to diluted shares from January 2020 equity offering 1.5 Pro forma weighted average diluted shares 92.1 Pro forma adjusted EPS $ 1.93 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations: Operating income and other income, net $ 213.6 $ — $ 56.1 $ 269.7 $ 45.0 $ — $ 314.7 Depreciation and amortization 115.1 (3.2) 111.9 30.1 142.0 EBITDA from continuing operations $ 328.7 $ 52.9 $ 381.6 $ 75.1 $ 456.7 EBITDA as a % of sales 12.1 % Year Ended December 31, 2019 Reconciliation of Pro Forma Adjusted Earnings per Share: Avient Special Items Adjusted Avient Clariant Color Pro Forma Adjustments(1) Pro Forma Adjusted Avient Sales $ 2,862.7 $ — $ 2,862.7 $ 1,118.6 $ 3,981.3 Operating income $ 156.8 $ 71.7 $ 228.5 $ 72.9 $ 301.4 Interest expense, net (59.5) — (59.5) (33.4) (92.9) Other income, net 12.1 (10.0) 2.1 — 2.1 Income taxes (33.7) (5.9) (39.6) (9.1) (48.7) Net income attributable to noncontrolling interests (0.2) — (0.2) — (0.2) Net income from continuing operations attributable to Avient shareholders $ 75.5 $ 55.8 $ 131.3 $ 30.4 $ 161.7 Weighted average diluted shares 77.7 Impact to diluted shares from January 2020 equity offering 15.3 Pro forma weighted average diluted shares 93.0 Pro forma adjusted EPS $ 1.74 Reconciliation of Pro Forma Adjusted EBITDA from continuing operations: Operating income and other income, net $ 168.9 $ — $ 61.7 $ 230.6 $ 72.9 $ — $ 303.5 Depreciation and amortization 78.1 — 78.1 60.3 138.4 EBITDA from continuing operations $ 247.0 $ 61.7 $ 308.7 $ 133.2 $ 441.9 EBITDA as a % of sales 11.1 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 5 Three Months Ended March 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 120.4 $ 2.4 $ 122.8 Income from continuing operations before income taxes $ 102.6 $ 2.4 $ 105.0 Income tax expense - GAAP (22.9) — (22.9) Income tax impact of special items — (0.9) (0.9) Tax adjustments — 1.1 1.1 Net income attributable to noncontrolling interests (0.4) — (0.4) Net income from continuing operations attributable to Avient shareholders $ 79.3 $ 2.6 $ 81.9 Net income / EPS $ 0.86 0.03 $ 0.89 Weighted-average diluted shares 92.2 92.2 92.2 Year Ended December 31, 2021 Reconciliation to Condensed Consolidated Statements of Income GAAP Results Special Items Adjusted Results Operating income $ 381.2 $ 47.8 $ 429.0 Income from continuing operations before income taxes $ 304.6 $ 57.1 $ 361.7 Income tax expense - GAAP (74.0) — (74.0) Income tax impact of special items — (13.0) (13.0) Tax adjustments — 5.9 5.9 Net income attributable to noncontrolling interests 0.2 — 0.2 Net income from continuing operations attributable to Avient shareholders $ 230.8 $ 50.0 $ 280.8 Net income / EPS $ 2.51 0.54 $ 3.05 Weighted-average diluted shares 92.1 92.1 92.1 Three Months Ended December 31, 2019 Year Ended December 31, 2019 Reconciliation of pro forma sales, operating income, and EBITDA: CAI Clariant Color Pro Forma Adjustments(1) Pro Forma CAI CAI Clariant Color Pro Forma Adjustments(1) Pro Forma CAI Sales $ 226.7 $ 263.5 $ 490.2 $ 1,003.8 $ 1,118.6 $ 2,122.4 Operating income $ 27.2 $ 13.2 $ 40.4 $ 147.4 $ 72.9 $ 220.3 EBITDA $ 37.9 $ 28.3 $ 66.2 $ 190.1 $ 133.2 $ 323.3 EBITDA as a % of sales 13.5 % 15.2 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 6 Year Ended December 31, 2020 Reconciliation of pro forma sales, operating income, and EBITDA: CAI Clariant Color Pro Forma Adjustments(1) Pro Forma CAI Sales $ 1,502.9 $ 540.4 $ 2,043.3 Operating income $ 180.8 $ 45.0 $ 225.8 EBITDA $ 255.9 $ 75.1 $ 331.0 EBITDA as a % of sales 16.2 % (1) - Pro forma adjustments for the periods prior to the acquisition date (July 1, 2020) and to give effects of the financing for the acquisition 7 AVNT Q4 2021 Earnings Presentation.pdf AVNT Q4 2021 Earnings Presentation.pdf 2.7.22 632pm IR Deck - AVNT-2021.12.31.pdf

FX +4.6% FX -1.5% Total Avient +3.1% Note: Regional Sales Percentages exclude impact of foreign exchange Q2 2024 SEGMENT PERFORMANCE (COLOR, ADDITIVES & INKS) $525 $542 Q2 23 Q2 24 $94 $108 Q2 23 Q2 24 19.9% Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 7 17.9% +200 bps * * * Adjusted EBITDA Margin % • Organic sales growth in all regions led by Americas • Raw material deflation combined with cost reduction actions drove EBITDA margin expansion + 3% (+5% excluding FX) + 15% (+17% excluding FX) Q2 2024 SEGMENT PERFORMANCE (SPECIALTY ENGINEERED MATERIALS) $301 $308 Q2 23 Q2 24 $60 $64 Q2 23 Q2 24 20.6% Sales Adjusted EBITDA (in millions) (in millions) Sales Adjusted EBITDA 8 19.8% +80 bps * * * Adjusted EBITDA Margin % • Sales growth in consumer, healthcare and building & construction end markets offset by weaker demand in telecommunications • EBITDA margin expansion driven by positive end market mix as well as raw material deflation + 2% (+4% excluding FX) + 7% (+8% excluding FX) 2024 G U IDA N CE FY 2024 GUIDANCE Previous (May 7) Current Adjusted EBITDA $510 to $535 million $515 to $540 million Adjusted EPS $2.50 to $2.65 $2.55 to $2.70 Interest Expense $105 million $105 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures ~$140 million ~$140 million 10 Q3 2024: Adjusted EPS of $0.62 11 Highlights • Provides performance updates on 2030 Sustainability Goals • Reduced company’s Scope 1 & 2 GHG emissions by 48% since 2019 • Highlights ESG performance ratings, certifications, and awards, including recent upgrades by Ecovadis to Gold and CDP to A- • Reflects Great Place to Work® culture focused on health, safety and employee engagement 2023 SUSTAINABILITY REPORT 11 Sustainability for a Better Tomorrow 2023 SUSTAINABILITY REPORT 12 • Investor Day to be held December 4, 2024 in New York, NY • The focus will be to do a deep dive on the Company’s strategy • Further details to be communicated 2024 AVIENT INVESTOR DAY AP P EN D IX 15 Performance Additives 15% Pigments 13% TiO2 9% Dyestuffs 2% Polyethylene 10%Nylon 5% Polypropylene 4% Styrenic Block Copolymer 4% Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 41% EMEA 36% Asia 18% Latin America 5% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 19% Packaging 23%Industrial 16% Building and Construction 9% Telecommunications 4% Energy 5% Defense 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) Transportation 10% Healthcare 7% 17 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION US & Canada 34% EMEA 37% Asia 21% Latin America 8% END MARKET REGION 18 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 9% Building & Construction 10% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION US & Canada 52% EMEA 35% Asia 13% 19 Packaging 5% Consumer 16% Healthcare 6%Industrial 16% Transportation 12% Telecommunications 9% Energy 10% Defense 18% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 26% Healthcare 9% Industrial 13% Building & Construction 6% Telecommunications 2% Energy 2% Defense 1% Asia (18% of sales) Transportation 9% 2023 AVIENT REGIONAL SALES Packaging 25% Consumer 13% Healthcare 5% Industrial 18% Building & Construction 9% Energy 5% Defense 8% EMEA (36% of sales)Transportation 13% Packaging 13% Consumer 22% Healthcare 10% Industrial 16% Building & Construction 12% Energy 6% Defense 8% US & Canada (41% of sales) Transportation 9% Packaging 59% Consumer 22% Healthcare 2% Industrial 8% Building & Construction 4% LATAM (5% of sales) Transportation 5% Telecommunications 4% Telecommunications 4% 20 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) 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. We also monitor earnings (defined as net income from continuing operations) before interest, taxes, depreciation and amortization (EBITDA) and adjusted EBITDA (EBITDA before the impact of special items) as a supplement to our GAAP measures. Three Months Ended June 30, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 33.6 $ 0.36 $ 22.1 $ 0.24 Special items, after-tax 21.8 0.24 19.6 0.21 Amortization expense, after-tax 14.8 0.16 16.2 0.18 Adjusted net income / EPS $ 70.2 $ 0.76 $ 57.9 $ 0.63 Three Months Ended June 30, Reconciliation to EBITDA and Adjusted EBITDA: 2024 2023 Net income from continuing operations – GAAP $ 33.8 $ 22.3 Income tax expense 11.2 10.4 Interest expense, net 26.6 29.4 Depreciation & amortization 44.9 47.6 EBITDA from continuing operations $ 116.5 $ 109.7 Special items, before tax 28.1 21.7 Interest expense included in special items (1.0) — Depreciation & amortization included in special items (0.3) (0.1) Adjusted EBITDA $ 143.3 $ 131.3 Adjusted EBITDA as a percent of sales 16.9 % 15.9 % 1 Three Months Ended June 30, 2024 2023 Sales: Color, Additives and Inks $ 542.0 $ 524.5 Specialty Engineered Materials 308.1 300.8 Corporate (0.4) (0.9) Sales $ 849.7 $ 824.4 Operating income: Color, Additives and Inks $ 86.1 $ 68.0 Specialty Engineered Materials 42.8 39.7 Corporate (56.4) (45.4) Operating income $ 72.5 $ 62.3 Depreciation & amortization: Color, Additives and Inks $ 21.8 $ 25.7 Specialty Engineered Materials 20.8 19.9 Corporate 2.3 2.0 Depreciation & amortization $ 44.9 $ 47.6 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 107.9 $ 93.7 Specialty Engineered Materials 63.6 59.6 Corporate (54.1) (43.4) Other expense, net (0.9) (0.2) EBITDA from continuing operations 116.5 109.7 Special items, before tax 28.1 21.7 Interest expense included in special items (1.0) — Depreciation & amortization included in special items (0.3) (0.1) Adjusted EBITDA $ 143.3 $ 131.3 Adjusted EBITDA as a percent of sales: Color, Additives and Inks 19.9 % 17.9 % Specialty Engineered Materials 20.6 % 19.8 % 2 Year Ended December 31, 2023 Operating income: Color, Additives and Inks $ 259.9 Specialty Engineered Materials 142.5 Corporate (205.6) Operating income $ 196.8 Depreciation & amortization: Color, Additives and Inks $ 98.3 Specialty Engineered Materials 81.5 Corporate 9.0 Depreciation & amortization $ 188.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 358.2 Specialty Engineered Materials 224.0 Corporate (196.6) Other income, net 5.8 EBITDA from continuing operations 391.4 Special items, before tax 114.6 Interest expense included in special items (2.3) Depreciation & amortization included in special items (1.9) Adjusted EBITDA $ 501.8 3 Avient Q2 2024 Webcast Slides_for website_with non-GAAP_8_5.pdf IR Deck - AVNT-2024.06.30 - 8.02.24 1130AM.pdf Attachment Avient Q2 2024 Webcast Slides_for website_with non-GAAP.pdf AVNT cover slide.pdf