RUGGED 1 RUGGED 4 HD6706-17 GOLD METALLIC 3

165-ND-66-1 165-ND-66-3 BLUE PEC 2520A 4

TECH GRAY Q716-1-3 TPE BLUE #3 MB1527A PINK#4

PANTONE T245-1-3 TPU TRANS WHITE 3 TPU TRANS 8404C GREY 4

SLEEK TEAK 3 V2 DARK CHOCOLATE 4 PLUM CHIFFON 3

Runners 1. All vents need to be vented to atmosphere. 3. For circular parts, full perimeter venting is recommended. 4.

PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures in certain cases throughout this presentation. 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? 1) Special items are a non-GAAP financial measure.

Asset No. 76593C M Y K PDICaseStudy.indd REMAY 76593 trim: 8.5in x 11in and 8.25in x 11.6875in bleed: 8.75in x 11.9375in Digital/IAM 8 . 5 i n 11 .6 8 7 5 in 8 . 7 5 i n 11 .9 3 7 5 in 8 . 2 5 i n 11 in w w w. p o l y m e r d i a g n o s t i c s . c o m Copyright © 2008, Polymer Diagnostics Inc. C O N TA C T I N F O R M AT I O N Polymer Diagnostics Inc. 33587 Walker Road Avon Lake, Ohio 44012 United States +1 800 438 2335 +1 440 930 1644 fax Polymer Diagnostics Inc. is a contract laboratory with accreditation to ISO/IEC 17025 by the American Association for Laboratory Accreditation (A2LA) for both chemical and mechanical capacities. Americas U.S. – Avon Lake, Ohio + 1 800 438 2335 Asset No. 76593C M Y K PDICaseStudy.indd REMAY 76593 trim: 8.5in x 11in and 8.25in x 11.6875in bleed: 8.75in x 11.9375in Digital/IAM

All eight grades in the new series are also ISO 10993-4 and -5, REACH SVHC, and RoHS compliant. Avient Corporation (NYSE: AVNT), with 2019 pro forma revenues of $4 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com

This material was repeatedly subjected to severe impact during tests in which two iPhone 6/7 cases were dropped from an industry-standard range of heights, from 4 to 14 feet. Results showed Versaflex™ XP shock absorbing TPEs absorbed up to 10 percent more impact than TPU at drop heights of 4 – 8 feet, and over 25 percent more impact at 10 – 14 feet. +1 440-930-1988