LT YELLOW MID PP PP FR 8-6 LMS-1000

BLUE 302C PP IN PP FR 8-6 LMS-1000

Examples include: • Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports; • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy; PROXY SUMMARY 6 PROXY STATEMENT 2024 | Annual Meeting of Shareholders • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint; • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resources conservation and fiber optic / 5G network accessibility. We help our customers increase post- consumer recycled content, formulate with bio-based materials, use less material during production, reduce energy required for production, and build alternative energy applications. Sustainability Goals By 2030, Avient will enable 100% of our products manufactured for consumer packaging to be recyclable, reusable, or compostable.

PolyOne hosts cultural awareness events and activities for employees, like celebrating Chinese New Year. 1 23 3 We are proud to have established the “PolyOne Sustainable Solutions” mark to denote our products or services that meet defined standards for sustainability in areas such as recyclability, reusability, eco-conscious composition, or resource efficiency. Plastics are renowned for their durability, aesthetics, ease of handling and recyclability. The nature of our business exposes us to compliance costs and risks of liability under these laws and regulations due to the production, storage, transportation, recycling or disposal and/or sale of materials that can cause contamination and other harm to the environment or personal injury if they are improperly handled and released.

Plastics are renowned for their durability, aesthetics, ease of handling and recyclability. Examples of how our material science is enabling sustainability for our customers include developing unique technologies that improve the recyclability of products and allow recycled content to be incorporated, thus advancing a more circular economy; light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint; and sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility. Of growing importance is our portfolio of additives that enable our customers to achieve their sustainability goals, including improved recyclability, reduced energy use, light weighting, and renewable energy applications.

Cesa™ Nucleant Additives are mainly used to clarify PP resin.

COMPTEK formulations are based on PSU, PES, PEI, PPS, PPSU, PEEK, LCP resins.

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. Plastics are renowned for their durability, aesthetics, ease of handling and recyclability. The nature of our business exposes us to compliance costs and risks of liability under these laws and regulations due to the production, storage, transportation, recycling or disposal and/or sale of materials that can cause contamination and other harm to the environment or personal injury if they are improperly handled and released.

In late 2016, PolyOne acquired COMPTEK (Diez, Germany), a specialist in formulations based on extreme-heat polymeric materials such as PEEK, PES, PEI, PPS, PSU and PPSU.

OnCap UV colorant and additive solutions are compatible with PA, PET, PP and a range of other materials.