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Property GlasArmor Panel ThermoBallistic Panel Test Method Glass Content 55 wt% 73 wt% Density 0.066 lb/in3 1.83 g/cm3 0.062 lb/in3 1.72 g/cm3 ASTM D-792 Flex Mod 2.1–2.7 msi 14.5 - 18.6 GPa 2.5 msi 17.2 GPa ASTM D-790 Flex Strength 65 ksi 448 MPa 14 ksi 96.5 MPa ASTM D-790 Barcol Hardness 50–60 n/a ASTM D-2583 Fire Rating 1 hour1 n/a ASTM E-119-09c Flame Spread Rating 452 n/a ASTM E-84-08a Smoke Developed Rating 1652 n/a ASTM E-84-08a MATERIAL DATA (TYPICAL VALUES) 1 UL Level 3 panel was fire tested as part of a wall system with steel studs and drywall face sheet 2 NFPA & IBC Class B rating achieved www.avient.com Copyright © 2023, Avient Corporation.

PolyOne Corporation Page 3 PolyOne Commodity to Specialty Transformation 2000-20052000-2005 2006 - 20092006 - 2009 2010 – 20152010 – 2015 2016 and beyond 2016 and beyond • Steve Newlin appointed, Chairman, • Steve Newlin appointed, Chairman, • Substantial EPS growth from $0.13 to all-time high of $1.96 • Substantial EPS growth from $0.13 to all-time high of $1.96 • Deliver consistent double digit annual EPS growth • Deliver consistent double digit annual EPS growth • Volume driven, commodity producer • Volume driven, commodity producer pp , , President and CEO • New leadership team appointed pp , , President and CEO • New leadership team appointed • Shift to faster growing, high margin, less • Key acquisitions propel • Shift to faster growing, high margin, less • Key acquisitions propel • Maintain >35% vitality index • Pursue strategic i iti th t • Maintain >35% vitality index • Pursue strategic i iti th t • Heavily tied to • Heavily tied to cyclical end markets • Implementation of four pillar strategy • Implementation of four pillar strategy y q p p current and future growth, as well as margin expansion • Specialty mix expands y q p p current and future growth, as well as margin expansion • Specialty mix expands acquisitions that expand specialty offerings and geographic breadth acquisitions that expand specialty offerings and geographic breadth • Performance largely dependent on non- controlling joint ventures • Performance largely dependent on non- controlling joint ventures • Focus on value based selling, investment in commercial resources and innovation to drive transformation • Focus on value based selling, investment in commercial resources and innovation to drive transformation to 65% of Operating Income – strongest mix of earnings in history to 65% of Operating Income – strongest mix of earnings in history • Invest and grow current and next generation talent • Invest and grow current and next generation talent PolyOne Corporation Page 4 Confirmation of Our Strategy SpecializationSpecialization GlobalizationGlobalization Associates Operational Operational Commercial Commercial Th W ld’ P i P id f S i li d PolyOne Corporation Page 5 The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions 27 Consecutive Quarters of EPS Growth PolyOne Corporation Page 6 PolyOne At A Glance 2015 Revenues: $3.4 Billion2015 Revenues: $3.4 Billion 2015 Revenues: $3.4 Billion2015 Revenues: $3.4 Billion 7% PP&S Distribution 29% CAI 23% SEM %DSS End MarketsEnd Markets Adjusted EPSAdjusted EPS 66% 15%DSS End MarketsEnd Markets $1.31 $1.80 Adjusted EPSAdjusted EPS Textiles $1.96 $0 27 $0 21 $0.68 $0.82 $1.00 $1.31 Building & C PolyOne Corporation Page 7 $0.12 $0.27 $0.21 $0.13 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 10%Electrical & Mix Shift Highlights Specialty Transformation Old PolyOne Transformation 2020 80% nc om e* pe ra tin g In 80%+ 43% 65% % o f O 2%0% 2005 2010 2015 2020 Specialty OI $5M $87M $229M Platinum PolyOne Corporation Page 8 *Operating Income excludes corporate charges and special items JV's Performance Products & Solutions Distribution Specialty Color and Engineered Materials at the Heart of Specialty Transformation OPERATING MARGIN 16.7% 17.5% 20%+ COLOR, ADDITIVES AND INKS 15 8% 20%+ SPECIALTY ENGINEERED MATERIALS 12.2% 9.6% 9.3% 12.1% 15.8% 1 7% 4.6% 5.1% 5.5% 7.2% 8.1% 3.4% 5.1% 8.0% 8.6% 1.1% 1.3% YTD YTD PolyOne Corporation Page 9 Proof of Performance & 2020 Goals 2006 2Q 2016 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income %1) Operating Income % Specialty: Color, Additives & Inks 1.7% 18.0% 20%+ S i lt E i d M t i l 1 1% 14 9% 20%+Specialty Engineered Materials 1.1% 14.9% 20%+ Designed Structures & Solutions N/A 1.7% (TTM) 8 – 10% Performance Products & Solutions 5.5% 12.3% 12 – 14% Distribution 2.6% 6.5% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 61% 80%+ 3) ROIC* 5.0% 12.0% 15% 4) Adjusted EPS Growth N/A 11% Double Digit PolyOne Corporation Page 10 ) j % Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period TPE’s & Film Therma-Tech™ & Sheet GEON™ Vinyl TPE + OnForce™ Gravi-Tech™ Polymer ColorantsTherma-Tech™ Film PolyOne Corporation Page 11Page 11 Target End Markets… Healthcare OnForce TPE + OnForce TPE Vibration Dampening (SEM/GLS) Source: Outdoor Industry Association TPE & Film (SEM + DSS) Thermoplastic Elastomers TPE O F Polymer Colorants (CAI) Thermatech TPE + OnForce OnForce Thermoplastic Elastomers Sheet (DSS) Polymer Colorants (CAI) PolyOne Corporation Page 12 Target End Markets… Outdoor High Performance Sound & Vibration Management Roof Systems Management Interior & Exterior Trim Interior Structural Components Fuel Handling Underhood Components g SystemsAir management Electronics & Cameras Structural Braces & Brackets Lighting Fluid Handling PolyOne Corporation Page 13 Target End Markets… Automotive ColorMatrix™ Amosorb™ ColorMatrix™ Ultimate™ UV Oxygen Scavenger Ultimate UV Light Barrier PreservaPak™ OnColor™ Smart Batch™ OnCap™ Laser Marking Additives VersaFlex™ TPE Cap Liner PolyOne Corporation Page 14 Target End Markets… Packaging Innovation Drives Earnings Growth $53 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 34% CAI & SEM Gross Margin Target ≥ 35% $20 $53 43% *Specialty Platform revenue from products introduced in last five years 2006 2015 2006 20152006 2015 Innovation Pipeline PotentialInnovation Pipeline Potential PolyOne Corporation Page 15 Ours is Not a Cost Cutting Story VolumeCommercial, R&D Adjusted 2,883 Volume (lbs in millions) $192 Commercial, R&D and Marketing Spending ($M) $721 Adjusted Gross Profit ($M) -16% +86% +138% 2,414$103 $303 2006 20152006 2015 2006 2015 PolyOne Corporation Page 16 Design and Service as a Differentiator Right Material & Color Desired Product Design Appropriate Manufacturing Process Connecting Delivering Concept to Commercialization Connecting the Dots with iQ Design Labs and InVisiO Color Design PolyOne Corporation Page 17 CommercializationInVisiO Color Design Customer First Through World-Class Service Strengthening relationships through:  Providing LSS services to small/medium sized customers  Providing training in Customer Centric Selling Skills with customers On-Time Delivery Commitment to Operational Excellence World’s Best Business Process Excellence Program in 2012* World’s Best Start-up program for Lean Six Sigma Deployment in 2009* 81% 93% 2006 2015 Working Capital % of Sales 16.2%  52% of associates trained in LSS PolyOne Corporation Page 18 2006 2015  Five consecutive years – CFO Magazine Best Working Capital Management in the chemical industry Debt Maturities & Pension Funding 102% Pension Funding** As of June 30, 2016 $700 $800 Debt Maturities As of June 30, 2016 ($ millions) 80% 90% $547 $600 $600 $700 70% $500 50% $300 $400 30% 2008 2Q 2016 $200 2022 2023 Coupon Rate: LIBOR + 2 75% 5 250% PolyOne Corporation Page 19 Net Debt / Adjusted EBITDA*= 2.3x ** includes US-qualified pension plans only*TTM 6/30/2016 Coupon Rate: LIBOR + 2.75% 5.250% (3.50%) Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational  Repurchased 17.3 million shares since early 2013  10 0 million shares are Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Gro th Share Rep rchases  10.0 million shares are available for repurchase under the current authorization Growth Repurchases Acquisitions Dividends Annual Dividend  Targets that expand our: • Specialty offerings • End market $0.32 $0.40 $0.48 $0.30 $0.40 $0.50 • End market presence • Geographic breadth  Synergy opportunities  Adjacent material $0.24 PolyOne Corporation Page 20 $0.16 $ $0.10 2011 2012 2013 2014 2015 2016 solutions Why Invest In PolyOne?

KEY PROPERTIES AND PERFORMANCE FR GRADES H GRADES PEEK GRADES LCP GRADES FLEX GRADES PROPERTIES CONDITION ISO UNIT PPE400FR PPE700FR PPE950FR PPE1200FR H1500HF H2300HF PEEK700 PEEK900 PEEK1000 PEEK1200 LCP650 LCP800 LCP950 FLX400 FLX700 FLX1100 Dielectric Constant (Dk) 2.4 GHz 4.0 7.0 9.5 12.0 15.0 23.0 7.0 9.0 10.0 12.0 6.5 8.0 9.5 4.0 7.0 11.0 Loss Tangent (Df) 2.4 GHz 0.0030 0.0039 0.0042 0.0045 0.0010 0.0037 0.0024 0.0025 0.0024 0.0027 0.0043 0.0045 0.0047 0.0010 0.0009 0.0012 Density 1183 g/cm3 1.44 1.97 2.20 2.50 2.60 3.40 1.94 2.20 2.30 2.40 2.00 2.15 2.30 1.52 1.93 2.50 Melt Flow Index (MFI) 5 kg, 300 °C (unless noted) 1113 g/10 min 17 12 13 5 5 8 15 @ 380 °C 13 @ 380 °C 10 @ 380 °C 6 - - - 11 @ 230 °C 2 @ 230 °C 0.3 @ 230 °C Tensile Strength at Break 23 °C/73 °F 527 MPa 47 52 44 45 23 40 64 62 65 67 75 80 75 11 17 25 Flexural Modulus 23 °C/73 °F 178 MPa 3100 4500 - 9300 2100 5000 6200 7600 9200 11000 8000 8500 8500 1400 1600 2900 Unnotched Izod 23 °C/73 °F 180 kJ/m2 NB 42 20 9 17 10 28 25 18 15 31 20 12 NB NB NB -20 °C/-4 °F 180 kJ/m2 - - - - 17 10 - - - - - - - - - Notched Izod 23 °C/73 °F 180 kJ/m2 14 6 4 3 5 4 6 4 4 4 10 6 4 59 23 13 -20 °C/-4 °F 180 kJ/m2 - - - - 5 4 - - - - - - - - - - STANDARD GRADES RADOME GRADES PROPERTIES CONDITION ISO UNIT PPE260 PPE300 PPE320 PPE350 PPE400 PPE440 PPE500 PPE650 PPE800 PPE950 PPE1200 RS260 RB260 RS265FR Dielectric Constant (Dk) 2.4 GHz 2.6 3.0 3.2 3.5 4.0 4.4 5.0 6.5 8.0 9.5 12.0 2.6 2.6 2.7 Loss Tangent (Df) 2.4 GHz 0.0009 0.0009 0.0010 0.0009 0.0009 0.0009 0.0009 0.0009 0.0009 0.0009 0.0010 0.0009 0.0012 0.0032 Density 1183 g/cm3 1.07 1.18 1.21 1.27 1.43 1.50 1.62 1.86 2.10 2.20 2.40 1.06 1.08 1.09 Melt Flow Index (MFI) 5 kg, 300 °C 1113 g/10 min 15 15 16 14 14 14 15 11 10 4 2 21 16 25 Tensile Strength at Break 23 °C/73 °F 527 MPa 40 45 47 50 50 48 45 43 37 37 36 50 42 52 Flexural Modulus 23 °C/73 °F 178 MPa 2700 2400 2000 2600 2800 2700 2600 2600 2300 2600 2600 2200 2200 2600 Unnotched Izod 23 °C/73 °F 180 kJ/m2 NB NB NB NB NB NB NB NB 50 28 24 NB NB NB -20 °C/-4 °F 180 kJ/m2 NB NB NB NB NB NB NB 50 47 27 25 NB NB NB Notched Izod 23 °C/73 °F 180 kJ/m2 8 55 69 35 22 20 15 9 8 5 4 19 14 11 -20 °C/-4 °F 180 kJ/m2 8 15 20 14 12 10 9 8 8 5 4 10 12 10 PREPERM™ SERIES PROPERTIES CONDITION ISO UNIT 8027 8025 8037 8019 8028 8026 8044 8029 8041 8045 8048 8036 8056 8031 Dielectric Constant (Dk) 1 GHz, 23 °C 3.0 3.1 3.4 3.6 3.8 4.4 4.8 5.3 5.4 5.9 6.0 7.0 7.3 9.0 Loss Tangent (Df) 1 GHz, 23 °C 0.0012 0.0012 0.0008 0.0010 0.0010 0.0010 0.0004 0.0008 0.0006 0.0002 0.0006 0.0007 0.0002 0.0007 Density 1183 g/cm3 1.25 1.26 1.35 1.39 1.45 1.59 1.72 1.75 1.79 1.89 1.88 2.06 2.086 2.25 Melt Flow Index (MFI) 5 kg, 300 °C 1113 g/10 min 16 19 10 11 15 13 10 10 15 15 19 10 18 4.7 Tensile Strength at Break 23 °C/73 °F 527 MPa 59 54 54 62 59 54 52 58 52 45 49 45 37 38 Flexural Modulus 23 °C/73 °F 178 MPa 2780 2560 2850 3060 3350 3700 3157 4300 4320 3137 4150 3370 2560 4200 Notched Izod 23 °C/73 °F 180 kJ/m2 15.3 14 14.8 14 12.6 10.4 9.9 8.6 7.4 7.9 6.6 7.1 6.2 6.8 EDGETEK™ 7600 SERIES Copyright © 2021, Avient Corporation.

% Specific Gravity Color Index Heat Stability Lightfastness WHITE HCC-12144 Titanium Dioxide, Anatase 61 1.89 PW-6 1 I/O C HCC-12145 Titanium Dioxide, Rutile 70 2.09 PW-6 1 I/O YELLOW HCC-12148 (a) Diarylide AAOT GS 35 1.09 PY-14 3 I HCC-12516 (a) Diarylide AAMX RS 30 1.07 PY-13 3 I HCC-12149 (a) Diarylide HR RS 22 1.04 PY-83 2 I/O (Mass) HCC-12194 Iron Oxide 70 2.08 PY-42 2 C I/O HCC-12503 Benzimidazolone GS 30 1.09 PY-151 2 I/O (Mass) HCC-5253 (b) Isoindolinone RS 30 1.12 PY-110 1 I/O ORANGE HCC-17394 Benzimidazolone RS 20 1.05 PO-36 2 I/O HCC-17747 Azo YS 30 1.11 PO-64 2 I/O HCC-33428 Dianisidine RS 29 1.06 PO-16 3 I/O (Mass) RED HCC-12156 (a) Red 2B, Ca Salt BS 30 1.12 PR-48:2 2 I/O (Mass) HCC-12160 (a) Red 2B, Ca Salt YS 33 1.12 PR-48:1 2 I/O (Mass) HCC-12158 (a) Pyrazolone YS 25 1.05 PR-38 2 C I/O (Mass) HCC-12159 Pigment Scarlet BS 38 1.21 PR-60:1 2 I/O (Mass) HCC-12196 Iron Oxide, Dark VBS 65 2.09 PR-101 1 I/O HCC-12197 Iron Oxide, Light BS 70 2.24 PR-101 1 I/O HCC-18653 Iron Oxide, Light VYS 70 2.23 PR-101 1 I/O HCC-11796 (a) Specialty Naphthol BS 32 1.06 PR-170 2 I/O (Mass) C HCC-12742 (a) Specialty Naphthol YS 30 1.07 PR-170 2 I/O (Mass) C HCC-2160 (b) Quinacridone BS 26 1.08 PV-19 2 I/O HCC-12309 Quinacridone YS 25 1.07 PV-19 2 I/O HCC-7707 Perylene Scarlet YS 25 1.04 PR-149 2 I/O HCC-15738 Diketo-Pyrrolo- Pyrrol YS 30 1.1 PR-254 1 I/O BLUE HCC-12164 Phthalocyanine GS 27 1.08 PB-15:3 1 I/O HCC-12166 Phthalocyanine RS 18 1.05 PB-15 1 I/O HCC-12168 Phthalocyanine RS-NC 32 1.11 PB-15:1 1 I/O HCC-12929 (c) Ultramarine 53 1.4 PB-29 1 I/O Stan-Tone Code Pigment Type Approx. % Approx. % Solids Color Index pH Typical Lightfastness GREEN HCC-12172 Phthalocyanine BS 17 1.07 PG-7 1 I/O HCC-12173 Phthalo Brominated VYS 25 1.16 PG-36 1 I/O HCC-10562 Phthalocyanine YS 30 1.15 PG-7 1 I/O HCC-12176 Chromium Oxide 80 2.8 PG-17 1 I/O VIOLET/MAGENTA HCC-17680 (c) Ultramarine Violet 50 1.46 PV-15 1 I/O HCC-2170 (b) Quinacridone Violet 30 1.09 PV-19 2 I/O HCC-14562 Quinacridone Magenta 25 1.06 PR-122 2 I/O HCC-26775 Benzimidazolone 20 1.03 PV-32 2 I/O HCC-33159 (a) Carbazole Violet 12 1.03 PV-23 2 I/O BROWN/TAN HCC-1286 (b) Iron Oxide, Tan HR 60 1.85 PBr-11 1 I/O HCC-12201 Iron Oxide, Light 71 2.21 PBr-6 2 C I/O HCC-12202 Iron Oxide, Dark 67.5 2.06 PBr-6 2 C I/O BLACK HCC-12203 Furnace-High Jet 18 1.06 PBk-7 1 I/O HCC-12204 Furnace-High Jet 6 1 PBk-7 1 I/O HCC-12205 Furnace-Low Jet 34 1.15 PBk-7 1 I/O HCC-12206 Furnace-Medium Jet 20 1.07 PBk-7 1 I/O HCC-18654 Furnace-Ultra High Jet 15 1.04 PBk-7 1 I/O HCC-14674 Iron Oxide 59 1.82 PBk-11 2 C I/O ALUMINUM HCC-12177 Aluminum 50 1.43 PM-1 2 I/O HCC RS = Red Shade YS = Yellow Shade VYS = Very Yellow Shade BS = Blue Shade VBS = Very Blue Shade GS = Green Shade NC = Non-Crystallizing HR = Heat-Resistant (a) = Potential Bleed / Migration (b) = ESO plasticizer (Epoxidized Soybean Oil) (c) = Pigment may fade in acidic environment LIGHTFASTNESS I = Indoor Only I/O = Indoor or Outdoor Mass = Outdoor Masstone Application Only C = Some Caution Advised HEAT STABILITY 1 = Above 400°F 2 = 350°F–400°F 3 = Below 350°F C = Some Caution Advised www.avient.com Copyright © 2020, Avient Corporation.

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https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/stat-tech-static-dissipative-electrically-conductive-formulations Slide 1: Semiconductor packaging OEM