Key performance characteristics include: haptics, such as a silky smooth feel; strong chemical and UV light resistance for long-term durability; and vibration-damping qualities to enhance device performance and end user comfort. About PolyOne To access PolyOne’s news library online, please go to www.avient.com/news.

Working closely with the Citroën design team, PolyOne developed a specialty OnColor™ Smartbatch™ color and additive system that allows the distinctive panels to meet stringent UV stability, appearance and durability requirements. About PolyOne To access PolyOne’s news library online, please go to www.avient.com/news

BFI G 75A-328 NATURAL

030BK2031 BLACK X GT-13327-1A Black X GV #SR-13770-3 Patina 2 of 2

POLYONE I N V E S T O R P R E S E N T A T I O N J U N E 2 0 1 8 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 23 Commercial Resources Operating Income ($ in millions) Operating Margins 243 335 $36 $90 20% Established Acquisitions (> 7 years) + 40% + 150% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 113 144 206 $16 $18 $60 7% 8% 18-20% Recent Acquisitions (< 2 years) PolyOne Corporation 25 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 2011 2012 2013 2014 2015 2016 2017 2018 $809M 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 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 $0.58 $0.70 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Cumulative Share Repurchases (In millions) Increasing Annual Dividend 26 6.3% 15.0% 16-17% 2009 2017 Platinum Vision 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 27 PolyOne Corporation 28 W H Y I N V E S T I N P O L Y O N E ? Tax adjustments include the net tax expense/benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

PolyOne’s comprehensive portfolio includes: OnCap™ Dry Silane Additives: Anti-oxidant agents, copper deactivators, and UV resistance agents that are flexible enough to be used with cross-linkable and standard thermoplastics on the same production line About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

Working closely with the Citroën design team, PolyOne developed a specialty OnColor™ Smartbatch™ color and additive technology that allows the distinctive panels to meet stringent UV stability, appearance and durability requirements. About PolyOne To access PolyOne’s news library online, please go to www.avient.com/news

Climate change is one of the most pressing issues facing the world today and is creating risks and opportunities for businesses across all industries. Most of Avient’s Scope 1 and 2 GHG emissions are attributable to the consumption of energy. Scope 3 emissions are many times greater than our combined Scope 1 and 2 emissions.

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N M A R C H 2 0 1 8 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. Material & Color Expertise Manufacturing Expertise 3 to 14 industrial designers $0 to $7M new business revenue $4M to $40M opportunities identified LSS CUSTOMER FIRST PolyOne Corporation 15 Customer Projects Cumulative LSS Projects Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2 85 PolyOne Corporation 16 W H Y I N V E S T I N P O L Y O N E ? Tax adjustments include the net tax expense/benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments.

New reSound NF color options include beige, copper, terra cotta, green, blue and black hues. PolyOne is exhibiting at Fakuma in Hall B5, Stand 5316. About PolyOne