Cesa™ Nox A4R Additive for Enhanced Recycling: a range of specialized antioxidants to protect post-consumer polyolefins against oxidation, which can lead to defects like black spots, gels, and discoloration during processing and recycling

Cesa™ Nox A4R Additives: a range of specialized antioxidants to protect post-consumer polyolefins against oxidation, which can lead to defects like black spots, gels, and discoloration during processing and recycling.

STAN-TONE HCC-108781 BLACK

For example, in 2015 we temporarily deployed several of our skilled LSS black belts to multiple customers to help improve their manufacturing and development processes. 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 SPECIALTY DISTRIBUTION PP&S JV’S % O F O PE RA TI NG 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. Six Sigma Master Black Belt, General Electric Company Plastics Business, March 2001 to December 2002.

Annual paid time off to volunteer 16 Hours HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet Sustainability Report | 2023 27 https://www.avient.com/company/sustainability/sustainability-report/people/community-service-engagement Workforce Demographics Diversity Leadership Diversity—CEO Direct Reports Female 38% Minority 22% Female or Minority 60% Diversity by Level—Female or Minority* Directors, General Managers, VP/SVP 30% Management 39% Professionals 53% Production Associates 54% All Avient Associates 50% Race & Ethnicity* American Indian or Alaskan Native 0% Asian 4% Black or African American 17% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 12% White 66% Global Associates by Age Under 30 10% 30–50 59% Over 50 31% Turnover** Total Global Turnover = 9.5% Salaried Hourly Total U.S. & Canada 8.4% 15.0% 11.6% Europe/Middle East/Africa 9.5% 7.3% 8.4% Asia 8.3% 5.9% 7.2% Latin America 6.7% 9.0% 7.7% Global 8.6% 9.5% 9.5% Salaried Hourly Total Under 30 15.7% 17.1% 16.5% 30–50 8.0% 8.6% 8.2% Over 50 8.3% 9.0% 8.6% Salaried Hourly Total Female 8.6% 9.7% 9.2% Male 8.4% 6.6% 8.1% New Hires*** New Hires as a % of Total Employee Population = 10.6% Female or Minority* Under 30 30–50 Over 50 Direct (Hourly) 63.1% 39.1% 49.4% 11.5% Indirect (Salaried) 50.4% 26.0% 60.1% 13.9% Total 60.3% 34.6% 53.0% 12.3% Employee Representation Avient respects our associates' right to join or not join any lawful organization and comply with all applicable laws pertaining to freedom of association and collective bargaining. The most advanced LSS training is for Black Belt level project leaders.

Annual paid time off to volunteer 16 Hours HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet Sustainability Report | 2023 27 https://www.avient.com/company/sustainability/sustainability-report/people/community-service-engagement Workforce Demographics Diversity Leadership Diversity—CEO Direct Reports Female 38% Minority 22% Female or Minority 60% Diversity by Level—Female or Minority* Directors, General Managers, VP/SVP 30% Management 39% Professionals 53% Production Associates 54% All Avient Associates 50% Race & Ethnicity* American Indian or Alaskan Native 0% Asian 4% Black or African American 17% Native Hawaiian/Other Pacific Islander 0% Two or More Races 1% Hispanic or Latino 12% White 66% Global Associates by Age Under 30 10% 30–50 59% Over 50 31% Turnover** Total Global Turnover = 9.5% Salaried Hourly Total U.S. & Canada 8.4% 15.0% 11.6% Europe/Middle East/Africa 9.5% 7.3% 8.4% Asia 8.3% 5.9% 7.2% Latin America 6.7% 9.0% 7.7% Global 8.6% 9.5% 9.5% Salaried Hourly Total Under 30 15.7% 17.1% 16.5% 30–50 8.0% 8.6% 8.2% Over 50 8.3% 9.0% 8.6% Salaried Hourly Total Female 8.6% 9.7% 9.2% Male 8.4% 6.6% 8.1% New Hires*** New Hires as a % of Total Employee Population = 10.6% Female or Minority* Under 30 30–50 Over 50 Direct (Hourly) 63.1% 39.1% 49.4% 11.5% Indirect (Salaried) 50.4% 26.0% 60.1% 13.9% Total 60.3% 34.6% 53.0% 12.3% Employee Representation Avient respects our associates' right to join or not join any lawful organization and comply with all applicable laws pertaining to freedom of association and collective bargaining. The most advanced LSS training is for Black Belt level project leaders.

Skills/Experience Ab er na th y Fe ar on Go ff Gr ee n Je lli so n Li n M in k N ic ol as Pa tt er so n Pr ee te Ve rd ui n W ul fs oh n Financial          International             Industry Expertise          Regulatory        Technology     Human Capital           Operations            Corporate Governance          IT and Cybersecurity      Sustainability             Background Gender Male Male Male Male Male Female Female Male Male Male Female Male Race/Ethnicity White White White Black White White White Black White White White White Other Public Company Boards 1 3 1 — — 2 2 — 1 2 — 1 PROXY SUMMARY PROXY STATEMENT 2022 | Annual Meeting of Shareholders 13 GOVERNANCE HIGHLIGHTS As part of our commitment to overall excellence, our Companyʼs governance practices include the following: Director Independence • Strong commitment to Director independence: Eleven out of our twelve Director nominees are independent. • The independent Directors regularly hold executive sessions, led by the independent Lead Director.

Colorant Chromatics™ PES/PSU/PPSU Colorants

Colorant Chromatics™ PES/PSU/PPSU Colorants

Colorant Chromatics™ PES/PSU/PPSU Colorants