When showing constant dollar figures on GAAP and non-GAAP financial measures, the foreign exchange impact is calculated by using current foreign exchange rates and applying them to the prior period results. FX -11% FX -3% Total Avient -14% YoY Comparison against 2022 pro forma results • Aging infrastructure driving need for greater technological advancements and upgrades • Increased focus on strength and capacity of electrical grid plays into further adoption of composites into the market  UV, weather-resistance, customized capabilities  Best-in-class customer responsiveness  Local high-quality manufacturing, unparalleled breadth of portfolio  Expanding position in insulators, utility poles, crossarms, and wind energy Avient Confidential 11 ENERGY 11 • Fiber-optic investments from AT&T, Corning, Commscope continue to drive industry toward innovation • $42B BEAD program in Infrastructure Bill to increase cable deployments; well-positioned to capitalize on “Made in America” requirement and “last mile” buildout  Flame retardance, weather-resistance enables faster, safer, more reliable connections  Local manufacturing, unparalleled breadth of portfolio  Expanding position in insulation for wire jacketing, 5G buildout TELECOMMUNICATIONS Source: U.S. Avient reflects 2023 adjusted EBITDA guidance of $530M and estimated run-rate CAPEX of $110M.

These robust materials also incorporate heat stabilization to maintain tensile strength and tensile elongation properties for long- term thermal aging up to 120°C. KEY CHARACTERISTICS • High-temperature performance • Excellent impact resistance • Decreased moisture absorption compared to PA66 • Heat stabilized for long-term thermal aging • Enhanced chemical resistance • Customizable formulations in filled and unfilled grades MARKETS & APPLICATIONS The combined performance characteristics make Edgetek Toughened PPA ideal for a range of rigid engine applications.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation Richardson Executive Vice President, Chief Financial Officer PolyOne Corporation Page 15 Track Record of Accelerated Growth Total Revenue Adjusted EPS Adjusted EBITDA $2,061 $2,506 $2,709 $2,861 $3,771 2009 2010 2011 2012 2013 ($ in millions, except EPS ) $105 $179 $202 $255 $344 2009 2010 2011 2012 2013 $0.13 $0.68 $0.82 $1.00 $1.31 2009 2010 2011 2012 2013 PolyOne Corporation Page 16 $0.31 $0.44 $0.20 $0.30 $0.40 Q1 2013 Q1 2014 Adjusted EPS $42 $60 $20 $40 $60 Q1 2013 Q1 2014 Specialty Operating Income ($ millions) Q1 2014 Financial Highlights  Growth momentum accelerates driven by specialty platform  Specialty segments and Distribution achieve record results  All segments increase operating income compared to prior year  Revenue grew 25% versus Q1 2013 +43% +42% $57 $79 $30 $60 $90 Q1 2013 Q1 2014 Adjusted Operating Income ($ millions) +39% PolyOne Corporation Page 17 Commitment to Operational Excellence 81% 96% 2006 2013 16.2% 10.9% 2006 2013 On-Time Delivery Working Capital % of Sales 5.0% 31.0% 2006 2013 Percent of Associates Trained in LSS  Three consecutive years – CFO Magazine Best Working Capital Management Program in the chemical industry World’s Best Business Process Excellence Program in 2012*  95 certified Black Belts  211 certified Green Belts  422 Project Leaders World’s Best “Start-up Program” for Lean Six Sigma Deployment in 2009* *Both awards received from International Quality and Productivity Center PolyOne Corporation Page 18 Debt Maturities & Pension Funding – 3/31/14 Net Debt / EBITDA* = 1.9x $48 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2014 ($ millions) Coupon Rates: 7.500% 7.375% 5.250% *TTM 12/31/2013 ** includes US-qualified pension plans only 60% 100% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 2014 Pension Funding** As of March 31, 2014 PolyOne Corporation Page 19 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return $0.16 $0.20 $0.24 $0.32 $0.10 $0.20 $0.30 $0.40 2011 2012 2013 2014 Annual Dividend Expanding our sales, marketing, and technical capabilities Targets that expand our: • Specialty offerings • End market presence • Geographic footprint • Operating Margin Synergy opportunities Adjacent material solutions Repurchased 1.4 million shares in Q1 2014 Repurchased 6.4 million shares since April 2013  13.6 million shares are available for repurchase under the current authorization Organic Growth Acquisitions Share Repurchases Dividends  Investing in operational and LSS initiatives (including synergy capture) Manufacturing alignment PolyOne Corporation Page 20 3.07 3.05 1.81 1.45 1.82 1.54 0.85 3.15 1.17 1.69 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 0.91 PolyOne Valuation Aspirations PEG Ratio Comparison Represents $38 of share price upside Avg = 1.96 PolyOne Corporation Page 21 Innovating for the Future Dr. Christopher Murphy Vice President, Research and Development Chief Innovation Officer PolyOne Corporation Page 22 2 lbs Plastic = 3 lbs aluminum or 8 lbs steel or 27 lbs glass 33% less material by weight than aluminum 75% less material by weight than steel 93% less material by weight than glass Requires 91% less energy to recycle a pound of plastic versus a pound of paper Source: SPI: Sustainability and the Plastics Industry Plastics: Key to Future Sustainable Development PolyOne Corporation Page 23 Decreasing Dependence on Fossil Fuels Globalizing and Localizing • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Protecting the Environment Improving Health and Wellness Alignment with Megatrends PolyOne Corporation Page 24 Innovation Drives Earnings Growth $20 $53 2006 2013 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* *Percentage of Specialty Platform revenue from products introduced in last five years 14.3% 30.7% 2006 2013 Specialty Platform Gross Margin % 19.5% 43.0% 2006 2013 PolyOne Corporation Page 25 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 4 11 5 10 6 9 3 4 2 15 9 1 10 4 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 25 14 19 17 18 93 Addressable Market ($ millions) TBD TBD $800 $450 $450 $1,700 PolyOne Corporation Page 26 Recent Innovations Aligned with Megatrends in Key End Markets and 2015 Goals Robert M.

Addressable applications for the Plenstar series are Cat 3 to Cat 6 multi-conductor cables with a 75°C UL temperature rating, passing UL 444. 

Reduce cycle times, reduce scrap rates and improve part aesthetics with Cesa™ PlastOne™

This ensures that packaging with higher usage rates of rPET can maintain adequate UV barrier functionality and improved rPET processability.

Rebuild intrinsic viscosity (IV) to improve resin quality and increase use rates of reclaimed and recycled PET

This slip agent advances mold release resulting in reduced thread pulls and less blow line jams, enabling faster cycle times, improved production rates, and reduced waste.

It comes with a full-flow valve in place with a retained gasket system that can increase flow rates.  

It comes with a full-flow valve in place with a retained gasket system that can increase flow rates.