Weighted-average shares used to compute earnings per share: Weighted average shares used to compute adjusted earnings per share: SEC Filings

Ballistic system from Edwards Design and Fabrication, Inc. relies on GlasArmor™ Panels Learn how composite springs provide flexibility in prosthetic performance and design Antimicrobial technology, custom colors and performance additives in one masterbatch

F X ) -10% -11% -3% -12% 10 Avient ex. In addition, operating income before the effect of special items is a component of Avient’s annual incentive plans and is used in debt covenant computations. Management excludes intangible asset amortization from adjusted EPS as it believes excluding acquired intangible asset amortization is a useful measure of current period earnings per share.

Enhanced user experience drives increased market share, over $400,000 in new sales revenue Home // Computer Mouse Goes Premium with Soft Touch The manufacturer sought high-performance material solutions to create these features and significantly improve the computer user’s experience.

Enhanced user experience drives increased market share, over $400,000 in new sales revenue Home // Computer Mouse Goes Premium with Soft Touch The manufacturer sought high-performance material solutions to create these features and significantly improve the computer user’s experience.

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. S&P 500 PolyOne Corporation Page 9 2006 Q1 2015 2015 Target “Where we were” “Where we are” (Est. in 2012) 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 16.2% 12 – 16% Global Specialty Engineered Materials 1.1% 16.3% 12 – 16% Designed Structures & Solutions 1.4% (2012) 2.7% 8 – 10% Performance Products & Solutions 5.5% 6.5% 9 – 12% Distribution 2.6% 5.9% 6 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 69% 65 – 75% 3) ROIC 5.0% 11.4% 15% 4) Adjusted EPS Growth N/A 5% Double Digit Expansion Proof of Performance & 2015 Goals PolyOne Corporation Page 10 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 11 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 12 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) $800 $450 $450 $1,700 PolyOne Corporation Page 13 60% 98% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q1 2015 Pension Funding** As of March 31, 2015 Debt Maturities & Pension Funding – 3/31/15 Net Debt / EBITDA* = 2.1x $49 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2015 ($ millions) Coupon Rate: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2015 PolyOne Corporation Page 14 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased over 500k shares in Q1 2015  Repurchased 11.8 million shares since early 2013  8.2 million shares are available for repurchase under the current authorization PolyOne Corporation Page 15 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 16 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; employee separation costs resulting from personnel reduction programs, plant phase-in costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties, remediation costs and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; unrealized gains and losses from foreign currency option contracts; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results. (2) Tax adjustments include the net tax expense (benefit) from one-time income tax items and deferred income tax valuations allowance adjustments.

Reasons for the occurrence of fog in food packaging and how to prevent it (Chinese language version) Information on application and use of light shield additives to protect products from light damage (Chinese language version) Learn how Therma-Tech material makes the difference in automotive adas sensors, cameras and ECUs

Explore how bio-polymers derived from sugarcane compare with petroleum-based TPEs. Learn what they are, how they perform, and why to choose bio-based or recycled content. Learn what they are, how they perform, and why to choose bio-based or recycled content

Explore what's possible with Glasforms composite profiles, from sizing options to target applications. Discover materials from Avient that can enable faster and more reliable communication, minimize signal loss and maximize connectivity, protect electronics from static build up and radio frequency interference. Learn what they are, how they perform, and why to choose bio-based or recycled content

How to Lightweight Automotive Components Learn how virtual capabilities can improve performance. Computers & Peripherals