Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N S E P T E M B E R 2 0 1 9 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 25 Commercial Resources Operating Income ($ in millions) Operating Margins 243 340 $36 $96 20% Established Acquisitions (> 7 years) + 40% + 165% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 26 Commercial Resources Operating Income ($ in millions) Operating Margins 138 181 251 $23 $25 $70 7% 8% 18-20% Recent Acquisitions PolyOne Corporation 27 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T $0 $150 $300 $450 $600 $750 $900 2011 2012 2013 2014 2015 2016 2017 2018 $890M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 . 2 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $0.78 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Cumulative Share Repurchases (In millions) Increasing Annual Dividend 28 6.3% 14.1% 16-17% 2009 2018 Updated Expectations R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 29 PolyOne Corporation 30 W H Y I N V E S T I N P O L Y O N E ? Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016 2017 2018 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 $ 161.1 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 59.5 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) (25.3) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 $ 195.3 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 80.4 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 $ 2.43 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation

EXTRUDER Screw 1½" to 6" Polyethylene type—Maddock; 3:1 compression ratio Tooling Pressure type Die On size with 1/8" or less land L/D 24:1 or higher Screen Pack 20/60/60/20 Mesh Cooling Trough Hot 120–150° F (50–65° C) Feeder Gravimetric type—3 compartment (for color) Drying Conditions, Catalyst Only Desiccant type, 4 hours at 140° F (60° C) PROCESSING Temperature Wire Preheat 180–250° F (110–120° C) Feed Zones 330° F (165° C) Transition 340° F (170° C) Metering 350° F (177° C) Head/ Die 360° F (182° C) Target Melt 350–380° F (177–190°C) Flame at Die Tip Yes Line Speed Higher line speed improves mixing and surface smoothness Purge Compound HDPE To learn more about Syncure XLPE wire and cable solutions, contact us at +1.844.4AVIENT (1-844.428.4368) www.avient.com Copyright © 2020, Avient Corporation.

Shots Composite Panel Nominal Thickness Nominal Weight Level 1 9mm full metal copper jacket with lead core 1175 ft/sec 358 m/sec 3 GlasArmor™ Level 1 0.256 in 6.5 mm 2.7 lb/ft2 13.2 kg/m2 Level 2 .357 magnum jacketed head soft point 1250 ft/sec 381 m/sec 3 GlasArmor™ Level 2 0.384 in 9.8 mm 4.0 lb/ft2 19.5 kg/m2 .44 magnum lead semi-wadcutter gas checked 1350 ft/sec 411 m/sec 3 GlasArmor™ Level 3 0.500 in 12.7 mm 5.2 lb/ft2 26.4 kg/m2 ThermoBallistic™ Level 3 0.440 in 11.2 mm 3.9 lb/ft2 19.0 kg/m2 PR OT EC TI O N L EV EL S Level 4–8: Customized solutions available, contact Avient to learn more. Characteristic GlasArmor Thermoset Panels ThermoBallistic Thermoplastic Panels Steel Concrete Performance-to-Weight            Bullet Resistance – Pistols           Bullet Resistance – Rifles    NA1     Temperature Performance        2         UV Resistance       3         Electrical Conductivity              Flame Retardance    5   4         Ease of Installation             1 Ballistic resistance to rifle fire can be achieved by layering ThermoBallistic and GlasArmor panels – contact Avient 2 ThermoBallistic panels made with polypropylene resin systems 3 UV resistance is achieved using surface polymeric films 4 Flame retardant additives can be incorporated upon request under some circumstances 5 Fire rated for 1-hour per ASTM E-119-09c when tested in an interior wall system Compare the different materials used for ballistic protection https://go.avient.com/BallisticProtection? gl=1*qdsy99*_ga*NjU3OTY5NDk3LjE3MzEzMzIyODg.

Article 1. Il est représenté par un million quatre cent cinquante-quatre mille deux cent quarante-deux (1.454.242) actions, numérotées de 1 à 1.454.242, sans mention de valeur nominale, représentant chacune une part égale du capital. Cet extrait est délivré avant enregistrement conformément à l'article 173, 1° bis du Code des Droits d'Enregistrement.  

PolyOne Corporation Page 1 PolyOne Investor Presentation March 2016 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 1) Special items are a non-GAAP financial measure and are used to determine adjusted earnings. Appendix Recent Acquisitions 2015 Full Year Financial Highlights At a Glance�Color, Additives and Inks At a Glance�Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Application Examples Outdoor Applications Slide Number 32 Authentication Technology Metal Replacement Solutions Range Rover Evoque Interior Slide Number 36 High-Barrier Packaging Containers Aerospace Applications Investor Presentation - March 1, 2016 r36 Investor Presentation - March 1, 2016

Median: 5%Median: 3% Avient Specialty Other Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. Such is the case with the Clariant Masterbatch acquisition, where strong free cash flow will allow us to de-lever quickly. 19 AVIENT IS MODESTLY LEVERED 1. SEGMENT HIGHLIGHTS 37% 22% 14% Building & Electrical & C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION $9 $320 2005 2020PF 2.0% 15.9% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business 32% 39% Latin America END MARKET REGION EBITDA DOLLAR & MARGIN $5 $120 2005 2020E 59% 18% Wire & Cable(1) 25% Electrical & 14% Building & 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 2020E REVENUE | $700 MILLION 0.9% 17.1% END MARKET REGION EBITDA DOLLAR & MARGIN 25 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling 30% 24%Packaging Electrical & Building & 1% 79% Latin America END MARKET REGION EBITDA DOLLAR & MARGIN DISTRIBUTION 2020E REVENUE | $ 1 .1 BILLION $20 $70 2005 2020E 2.9% 6.3% KEY SUPPL IER S 26 AMERICAS EUROPE ASIA 26% 13% 16% Building & 5% Electrical & 35% 14%Healthcare 17% Building & Electrical & 32% 26% 12% Building & Electrical & 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (25% of sales) (17% of sales) 27

Garratt(1) 20,000 18,000 22,399 C.M. Nikrant 20,000 N/A 71,972 (1) Mr. 1) Compensation for Messrs.

Committees: 1, 2 GREGORY J. Committees: 1, 3 KERRY J. Committees: 1, 2 COMMITTEES 1.

Number of Deferred Shares(1)   R.E. Sanders — 2,354 (1) 188,287 (1) 376,574 (1) — — — — — — — — — — — — — — — — — — — — — — — 4/29/2024 — — — — — 20,000 (5) — 866,000 — 4,068(1) 325,408 (1) 650,816 (1) — — — — — — 26,875 (2) 215,000 (2) 430,000 (2) — — — — — 2/22/2024 — — — 6,867 (3) 20,600 (3) — 39.27 254,580 2/22/2024 — — — — — 6,400 (6) — 251,328 M.A. Patterson was our First PEO from January 1 - December 1.

Gravi-Tech™ Density Modified Formulations DESIGN GUIDE 2 Gravi-Tech Chapter 1. The round located at the base of a rib should be 25% of nominal wall thickness, and all ribs should have a draft angle from 1/4°– 1°. For t 1 = 1, K = 1.