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% ASTM D570 0.8 – 0.050–1.0 0.3 0.4 0.4 0.050 – 0.050 – – – Mechanical Properties Tensile Modulus(1) MPa ASTM D638 2650 9650 9790 8050 7380 1250 965 1770 2420 8620 4140 – Tensile Strength(1) (Yield) MPa ASTM D638 61.4 119 122 119 94 47 35 40 45 108 72.4 90 Tensile Elongation(1) (Break) % ASTM D638 3.0–5.0 1.0–3.0 1.5 3 2 35 40 30 26 3 – – Flexural Modulus MPa ASTM D790 2760 6890 6890 7380 6410 1300 1080 1740 1790 6690 4840 5500 Flexural Strength MPa ASTM D790 108 172 214 182 167 55 41.4 62.7 68.3 165 110 130 Coefficient of Friction ASTM D1894 vs. Steel – Static 0.25 0.46 0.18 0.15 0.12 0.19 0.11 0.14 0.13 0.24 0.17 0.17 Impact Notched Izod Impact (23°C, 3.18 mm, Injection Molded) J/m ASTM D256A 41 64(6) 110 107 107 70 80 37 37 75 – 69 Thermal Properties Heat Deflection Temperature ASTM D648 0.45 MPa °C 215(6) – 250 215 216 184 152 151(6) 153(6) 218(6) – – 1.8 MPa °C 65(6) 239(7) 244(6) 210 210 75 94 81.1(6) 88 197(6) – 135(5) Electrical Properties Surface Resistivity ohms/sq ASTM D254 – – – 1.30x1012 1.9x1012 5.2x1012 – – – – – 1.0x109 Dielectric Strength (Short Time) kV/mm – – 8.5 – – – – – – – – – Flammability Flame Rating Class UL 94 HB – – HB HB HB – HB – – – – LubriOne™ Internally Lubricated Formulations NOTES (1) Type I, 5.1mm/min (2) Type I, 21.3 mm/min (3) Type I, 50 mm/min (4) Type I, 5.1mm/min, Break (5) 3.2 mm thick, Unannealed (6) 6.35 mm thick, Unannealed (7) 3.2 mm thick, Annealed PRODUCT DESCRIPTION UNITS TEST METHOD 5024 RS HI 5021 RS S1 5021 RS X2 5019 X1 LB6700- 5001 RS AF Black NN- 000/01M Black SO REC LB6600- 5030 RS Grey LB3300- 5010 RS LB3300- 5005 RS REC LB3220- 5001 RS C Natural X1 5010 GP Grey 5006 RS PE 5004 RS PE LB4200- 5022 Black LB4200- 5023 Base Polymer PA 6 PA6/PA66 PA66 PBT PC PKE POM Lubricant UHMWPE1 UHMWPE UHMWPE UHMWPE UHMWPE MoS22 Graphite UHMWPE UHMWPE UHMWPE Graphite UHMWPE UHMWPE MoS2 UHMWPE Filler type GF10 GF30 GF30 GF50 GF50 Unfilled GF33 GF20 MI20 GF10 Unfilled GF20 GF30 Unfilled Unfilled General Properties Specific Gravity g/cm3 ISO 1183 1.18 1.35 1.39 1.55 1.58 1.14 1.44 1.42 1.46 1.23 1.26 1.34 1.43 1.4 1.35 Mechanical Properties Tensile Modulus (23°C) MPa ISO 527-1 4250 9500 9000 15500 16600 3500 10600 6300 3330 4000 1630 5300 9250 2470 2150 Tensile Strength (Yield, 23°C) MPa ISO-527-2 97 150 160 205 200 85 164 102 55 60 60 108 99.1 55 50 Tensile Elongation (Break, 23°C) % ISO-527-2 12 2.5 3 2.7 2.4 3.4 2.0 4.2 8 2.5 46 3.7 1.5 11 11 Flexural Strength (23°C) MPa ISO 178 103 – – 285 265 108 215 127 78 85 38 155 117 73 68 Flexural Modulus (23°C) MPa ISO 178 3250 – – 12400 11100 2690 9000 4700 3000 3100 1380 4600 5450 2210 2070 Impact Charpy Notched Impact Strength (23°C, Injection Molded) kJ/m^2 ISO 179 14 12 10 15 10 3 6 7.7 4.3 12 15 10 7.6 8 5 Charpy Unnotched Impact Strength (23°C, Injection Molded) kJ/m^2 ISO 179 82 55 61 75 60 65 50 47 69 - NB 63 36 NB NB Thermal Properties Deflection Temperature Under Load 1.8 Mpa, Unannealed °C ISO 75-2/A 107 – – 204 – 73 235 – – – 90 210 204 86 80 Cofficient of Friction (CoF) & Wear Rate CoF vs.

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You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Q2 2023 (TOTAL COMPANY) $824 $850 $131 $143 (in millions) $0.63 (in millions) Adjusted EBITDA Adjusted EPS 8 + 3% (+5% excluding FX) + 9% (+12% excluding FX) + 21% (+25% excluding FX) Sales 9 Q2 2024 RESULTS – ORGANIC SALES BY REGION VS PY 9 +5% +4% +1% +19% Avient ex. 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 $94 $108 19.9% (in millions) (in millions) 10 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 $60 $64 20.6% (in millions) (in millions) 11 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 13 Q3 2024: Adjusted EPS of $0.62 14 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 14 Sustainability for a Better Tomorrow 2023 SUSTAINABILITY REPORT 15 • 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 18 Performance Additives 15% Pigments TiO2 Dyestuffs Polyethylene 10%Nylon Polypropylene Styrenic Block Copolymer 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% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% 23%Industrial Building and END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) 20 (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 34% 37% 21% END MARKET REGION 21 34% 21% 15% Building & 1% Energy COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION 52% 35% 22 6%Industrial 12% 10% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 26% Building & 6% 2% Defense 1% (18% of sales) 2023 AVIENT REGIONAL SALES 25% Building & (36% of sales)Transportation 22% Building & 12% 6% US & Canada (41% of sales) 59% 22% Building & LATAM (5% of sales) 23 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.

Czech Republic Branch Údaje platné ke dni: 3. prosince 2021 03:45 1/1 Výpis z obchodního rejstříku, vedeného Městským soudem v Praze oddíl , vložka A 78870 Datum vzniku a zápisu: 30. srpna 2018 Spisová značka: A 78870 vedená u Městského soudu v Praze Označení odštěpného závodu: Avient S.à r.l., Czech Republic Branch Sídlo: Pobřežní 620/3, Karlín, 186 00 Praha 8 Identifikační číslo: 074 10 026 Právní forma: Odštěpný závod zahraniční právnické osoby Předmět podnikání: Výroba, obchod a služby neuvedené v přílohách 1 až 3 živnostenského zákona Vedoucí odštěpného závodu:   LÁSZLÓ MEDNYÁNSZKY, dat. nar. 23. listopadu 1967 9400 Sopron, Ösvény 7, Maďarská republika Zřizovatel - zahraniční osoba: Avient S.à r.l. 9638 Pommerloch, Route de Bastogne 19, Lucemburské velkovévodství Registrační číslo: B226205 Právní forma: společnost s ručením omezeným Statutární orgán zřizovatele - zahraniční osoby:   HOLGER HANS KRONIMUS, dat. nar. 26. ledna 1968 76571 Gaggenau, Adolf Dambach-Strasse 2, Spolková republika Německo Den vzniku funkce: 4. července 2018 Den vzniku členství: 4. července 2018   CHRISTOPH PALM, dat. nar. 16. května 1963 9638 Pommerloch, Route de Bastogne 19, Lucemburské velkovévodství Den vzniku funkce: 4. července 2018 Den vzniku členství: 4. července 2018   ZANETA GABRIELA POTOCZNY, dat. nar. 17. října 1974 9638 Pommerloch, route de Bastogne 19, Lucemburské velkovévodství Den vzniku funkce: 27. února 2019 Den vzniku členství: 27. února 2019   NORBERT MERKLEIN, dat. nar. 3. května 1964 4132 Muttenz, Rothausstrasse 61, Švýcarská konfederace Den vzniku funkce: 18. ledna 2021 Den vzniku členství: 18. ledna 2021 Počet členů: 4 Společnost je platně vázána nebo zastupována vůči třetím osobám takto: má-li Společnost více než jednoho jednatele, pak podpisem kteréhokoli jednatele.