PolyOne shares reached an all-time intra-day high stock price of $21.00, and for the year, our share price appreciation of 77% was nearly six times that of the S&P 500. For example, we held our first ever Global Sales Meeting in February, bringing together more than 500 PolyOne sales professionals from 34 countries to train, strategize and collaborate with a goal of serving our customers more holistically, across borders and across business units. PolyOne Stock Performance The following is a graph that compares the cumulative total shareholder returns for PolyOne’s common shares, the S&P 500 index and the S&P Mid Cap Chemicals index, with dividends assumed to be reinvested when received.

The following chart compares cumulative TSR on our common shares against the cumulative total return of the S&P 500 Index and the S&P Mid Cap Chemicals Index for the five-year period December 31, 2010 to December 31, 2015, assuming in each case a fixed investment of $100 and reinvestment of all dividends. Our performance has exceeded the S&P 500 Index as well as the S&P Mid Cap Chemicals Index. $0 $50 $100 $150 $200 $250 $300 $350 12/31/10 12/31/11 12/31/12 12/31/13 12/31/14 12/31/15 Comparison of Cumulative Total Return to Shareholders PolyOne Corporation S&P 500 Index S&P Mid Cap Chemicals POL 0% 25% 50% 75% 100% 0% 25% 50% 75% 100% C om pe ns at io n % ile 2014 - 2015 TSR Performance %ile Peer Group Pay vs.

STOCK PERFORMANCE PolyOne’s stock performance has significantly outpaced the S&P 500 index and the S&P Mid Cap Chemicals index. 12.31.09 12.31.10 12.31.11 12.31.12 12.31.13 12.31.14 12.31.15 12.31.16 OPERATING INCOME % OF SALES Color, Additives & Inks Specialty Engineered Materials PP&S Distribution Designed Structures & Solutions 2006 “Where we were” 1.7% 1.1% 5.5% 2.6% N/A 2016 “Where we are” 16.0% 14.3% 11.1% 6.4% -0.9% 2020 Platinum Vision 20% + 20% + 12–14% 6.5–7.5% 8–10% 500 400 300 200 100 0 P E R C E N TA G E POL S&P MID CAP CHEMICALS S&P 500 A N N U A L D IV ID E N D $ /S H A R E RETURNING CASH TO SHAREHOLDERS .50 .40 .30 .20 .10 5+30+36+45+59+80+88+95 2.20 2.00 1.80 1.60 1.40 1.20 1.00 .80 .60 .40 .20 0 ADJUSTED EARNINGS PER SHARE*^ U .S . PolyOne Stock Performance The following is a graph that compares the cumulative total shareholder returns for PolyOne’s common shares, the S&P 500 index and the S&P Mid Cap Chemicals index, with dividends assumed to be reinvested when received.

STOCK PERFORMANCE PolyOne’s stock performance has significantly outpaced the S&P 500 index and the S&P Mid Cap Chemicals index. Adjusted Earnings Per Share°† °EPS excluding special items and income from equity affiliates †2006–2009 has not been restated for subsequent changes in accounting principles or discontinued operations 2.00 1.60 1.20 .80 .40 0 '06 '07 '08 '09 '10 '11 '12 '13 '14 $ U S D o llars Working Capital % of SalesΔ 20 16 12 8 4 0 '07 '08 '09 '10 '11 '12 '13 '14 P ercentag e TARGETS FOR GROWTH Last year, we continued to pursue the aggressive 2015 performance targets established in 2012. 500 450 400 350 300 250 200 150 100 50 0 -50 12.31.09 6.30.10 12.31.10 6.30.11 12.31.11 6.30.12 12.31.12 6.30.13 12.31.13 6.30.14 12.31.14 DATE P ercentag e Stock Performance vs. PolyOne Stock Performance The following is a graph that compares the cumulative total shareholder returns for PolyOne’s common shares, the S&P 500 index and the S&P Mid Cap Chemicals index, with dividends assumed to be reinvested when received.

STOCK PERFORMANCE PolyOne’s stock performance has significantly outpaced the S&P 500 index and the S&P Mid Cap Chemicals index. 12.31.09 12.31.10 12.31.11 12.31.12 12.31.13 12.31.14 12.31.15 Operating Income % Specialty Color, Additives & Inks Specialty Engineered Materials Designed Structures & Solutions PP&S Distribution Specialty Platform Operating Income % of Total ROIC** (after-tax) Adjusted EPS Growth 2006 “Where we were” 1.7% 1.1% — 5.5% 2.6% 6.0% 5.0% N/A 2015 “Where we are” 16.7% 14.7% 3.0% 8.3% 6.6% 65% 11.8% 25 Consecutive Quarters of YOY EPS Growth 2020 Platinum Vision 20% + 20% + 12–14% 10–12% 6.5–7.5% 80% + 15% Double Digit Expansion **ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period 500 400 300 200 100 0 P ER CE NT AG E POL S&P MID CAP CHEMICALS S&P 500 ANNUAL REPORT 2015 SPECIALT Y DISTRIBUTION PP&S JV’S % O F OP ER AT IN G IN CO M E 2005 2007 2009 2011 2013 2015 OPERATING INCOME MIX SHIFT*^ 100 80 60 40 20 0 100+100+100+100+10050+77+80+97+100+10010+32+53+82+82+841+18+34+51+61+64 *Operating Income excludes Corporate charges and special items ^2005–2009 has not been restated for subsequent changes in accounting principles or discontinued operations +5+33+41+50+65+90+98 2.00 1.80 1.60 1.40 1.20 1.00 .80 .60 .40 .20 0 2009 2010 2011 2012 2013 2014 2015 ADJUSTED EARNINGS PER SHARE ◊† U. PolyOne Stock Performance The following is a graph that compares the cumulative total shareholder returns for PolyOne’s common shares, the S&P 500 index and the S&P Mid Cap Chemicals index, with dividends assumed to be reinvested when received.

China and Southeast Asia T R A C K R E C O R D O F G R O W T H & E X P A N S I O N Regional headquarters and innovation center established in 2015 Built largest manufacturing site within Avient in 18 months and commissioned in 2021 Expand and increase Healthcare accredited (ISO 13485) sites 2X 18 plants > 2.5X 500 commercial resources > 3X $680M revenue Chuzhou, China Singapore – ISO13485 SiteRegional Innovation Center, Shanghai 91Avient Corporation Metrics represent growth since 2010 India Landscape Avient Corporation 92 Most populous country in the world by 2030 One of the youngest population in the world feeding the talent pool Growing middle class driving the need for better quality goods and services “Made In India” and “Digital India” initiative driving foreign and domestic investments India M O M E N T U M T O E X P A N D 4X 4 plants > 10X 100 commercial resources > 20X $70M revenueVashere Pune Kalol Rania 93Avient Corporation Establishing an Innovation Center to support local technology needs and global R&D efforts Investment in resources, capacity, and capability to support growth and geographic expansion to North and South Vashere Pune Metrics represent growth since 2010 Latin America 94Avient Corporation Latin America Landscape Avient Corporation 95 Region’s economy expected to double by 2030 Top 6 countries contribute 75% of the region’s GDP Mexico remains a manufacturing hub for North America Growing middle class population Latin America L E V E R A G E A N D E X P A N D 2X 9 plants > 5X 200 commercial resources > 20X $400M revenue Investment in capacity, and capability to support domestic growth Grow commercial resources to support geographic expansion Santa Clara, Mexico Toluca, Mexico Cota, Colombia Guatemala, Guatemala Maipu, Chile Lomas, Argentina Itupeva, Brazil Lima, Peru Suzano, Brazil 96Avient Corporation Metrics represent growth since 2010 $191 $680 2010 2021E $3 $70 2010 2021E $16 $400 2010 2021E (Sales in $ millions) Asia (ex.

Performance: Metrics & Monitoring Safety First—Areas of Focus Risk Reduction 1,050 Risk assessments conducted 551 Preventative actions implemented Associate Engagement 99.5% Associate participation in safety engagement activity 99% Site SAFE assessments completed Continuous Improvement Global driver safety training & travel duty of care tool 500+ Ergonomic risks identified Implemented global “Gloves On” policy Sustainability Expanded RC14001 global certification to 48 sites(1) 112 EH&S Management System Certificates carried globally 65% Reduction in Severity of Injuries (3) Over Last 5 Years 5-6x Better Than Industry Average (2) 0.58 Incident Rate (1) RC14001 is a combination of ACC Responsible Care and ISO14001 principles (2) For Incident Rate comparison—See Safety First (page 19) (3) Severity rate includes days away from work and days on restricted duty HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Plan Sustainability Report | 2023 21 Security Keeping Avient’s operations, infrastructure, and intellectual property protected is a vital task, as a breach in physical security at sites or cybersecurity could lead to risks to stakeholders and the sustainability of our enterprise. GRADUATES 331 GRADUATES 148 Leadership Development Training per Participant Over 50 Hours 0 100 200 300 400 500 NextGen & Elevate Program Participants 311 2013 2015 2017 2019 2021 2023 216 125 47 369 479 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 33Sustainability Report | 2023 33 Competency Training In 2023, we launched a global training program focused on understanding the key behaviors in our Competency Model, and how to best leverage them for success in an associate’s current or future role.

Performance: Metrics & Monitoring Safety First—Areas of Focus Risk Reduction 1,050 Risk assessments conducted 551 Preventative actions implemented Associate Engagement 99.5% Associate participation in safety engagement activity 99% Site SAFE assessments completed Continuous Improvement Global driver safety training & travel duty of care tool 500+ Ergonomic risks identified Implemented global “Gloves On” policy Sustainability Expanded RC14001 global certification to 48 sites(1) 112 EH&S Management System Certificates carried globally 65% Reduction in Severity of Injuries (3) Over Last 5 Years 5-6x Better Than Industry Average (2) 0.58 Incident Rate (1) RC14001 is a combination of ACC Responsible Care and ISO14001 principles (2) For Incident Rate comparison—See Safety First (page 19) (3) Severity rate includes days away from work and days on restricted duty HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Plan Sustainability Report | 2023 21 Security Keeping Avient’s operations, infrastructure, and intellectual property protected is a vital task, as a breach in physical security at sites or cybersecurity could lead to risks to stakeholders and the sustainability of our enterprise. GRADUATES 331 GRADUATES 148 Leadership Development Training per Participant Over 50 Hours 0 100 200 300 400 500 NextGen & Elevate Program Participants 311 2013 2015 2017 2019 2021 2023 216 125 47 369 479 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 33Sustainability Report | 2023 33 Competency Training In 2023, we launched a global training program focused on understanding the key behaviors in our Competency Model, and how to best leverage them for success in an associate’s current or future role.

PolyOne’s stock performance has significantly outpaced the S&P 500 index and the S&P Mid Cap 400 Chemicals index. 12.31.09 6.30.10 12.31.10 6.30.11 12.31.11 6.30.12 12.31.12 6.30.13 12.31.13 2007 2008 2009 2010 2011 2012 2013 SPECIALTY PLATFORM OPERATING INCOME % OF TOTAL*^ 1.50 1.20 .90 .60 .30 0 2007 2008 2009 2010 2011 2012 2013 ADJUSTED EARNINGS PER SHARE*† * 2010–2013 Specialty Operating Income is restated for the divestiture of the Resin Business ^Operating Income excludes Corporate Charges * 2010–2013 adjusted EPS is restated for the divestiture of the Resin Business † EPS excluding special items and equity income from SunBelt 2007 2008 2009 2010 2011 2012 2013 * 2010–2013 adjusted return on sales is restated for the divestiture of the Resin Business ° Operating Income as a percentage of sales, excluding special items and equity income from SunBelt ADJUSTED RETURN ON SALES*º 8 6 4 2 0 % P E R C E N TA G E 80 60 40 20 0 % P E R C E N TA G E Operating Income % Specialty PP&S Distribution Specialty Platform Operating Income % of Total ROIC** (after-tax) 2006 1.5% 5.5% 2.6% 6.0% 5.0% 2013 9.4% 7.2% 5.9% 62.0% 9.1% 2015 TARGET 12%–16% 9%–12% 6%–7.5% 65%–75% 15% **ROIC is defined as adjusted OI divided by the sum of average debt and equity over a 5 quarter period 200 160 120 80 40 0 2007 2008 2009 2010 2011 2012 2013 SPECIALTY PLATFORM OPERATING INCOME* * 2010–2013 Operating Income is restated for the divestiture of the Resin Business 400 300 200 100 0 % P E R C E N TA G E POLYONE STOCK (POL) PERFORMANCE VERSUS S&P P O L S&P MID CAP 400 CHEMICALS S&P 500 United States Securities and Exchange Commission Washington, DC 20549 FORM 10-K Í ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2013 ‘ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . PolyOne Stock Performance The following is a graph that compares the cumulative total shareholder returns for PolyOne’s common shares, the S&P 500 index and the S&P Mid Cap 400 Chemicals index, with dividends assumed to be reinvested when received.

The folff lowing chart compares cumulative total shareholder return (“TSR”) on our common shares against the cumulative total return of the S&P 500 Index and the S&P Mid Cap Chemicals Index for the fivff e-year period December 31, 2011 to December 31, 2016, assuming in each case a fixff ed investment of $100 and reinvestment of all dividends. Our performance during this period has exceeded the S&P 500 Index as well as the S&P Mid Cap Chemicals Index. 45 COMPENSATION DISCUSSION AND ANALYSIS We believe that the returns to shareholders shown in the graph above indicate that our pay-for-performance philosophy, compensation plan design and selected perforff mance measures are working, and have resulted in perforff mance that has provided increased value to our shareholders over the long-term as shown above. Comparison of Cumulative Total Return to Shareholders PolyOne Corporation S&P 500 Index S&P Mid Cap Chemicals POL 0% 25% 50% 75% 100% 0% 25% 50% 75% 100% C om pe ns at io n % ile 2014 - 2016 TSR Performance %ile Peer Group Pay vs.