CLEVELAND – PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, services and solutions, today announced the launch of ECCOH™ XLS low smoke and fume, non-halogen formulation for flame retardant wire and cable applications. PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

CLEVELAND – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, will host an Investor Day for investment professionals on Monday, May 18, 2015, from 12:00 p.m. to 5:00 p.m., at the InterContinental New York Times Square hotel. PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

SHANGHAI – PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, is establishing a new Innovation Center in Shanghai, China. PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

The ColorWorks teams provide technical expertise and solutions to aesthetic challenges using multi-disciplinary expertise in Color, Material, and Finish (CMF). Brand owners, marketers, and product designers can depend on the team’s collaborative design approach, a cornerstone of the services offered, to efficiently create impactful CMF concepts ready for commercialization. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

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.  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic balance between reinvestment for growth and returning cash to shareholders  Strong and proven management team driving growth and performance 18 POLYONE CORPORATION Segment Highlights POLYONE CORPORATION 19 2016 Revenue: $0.8 Billion At a Glance: Color, Additives & Inks Key Applications 2016 Revenue by Industry Expanding Profits 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision United States 45% Europe 33% Asia 15% Latin America 5% Canada 2% Packaging 30% Industrial 15% W & C 10% B & C 10% Textiles 9% Transportation 9% Consumer 7% Healthcare 6% Appliance 2% E & E 2% POLYONE CORPORATION 20 2016 Revenue: $0.6 Billion At a Glance: Specialty Engineered Materials 2016 Revenue by Industry Expanding Profits 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 14.3% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Consumer 19% Transportation 19% E & E 15% W & C 15% Healthcare 11% Industrial 8% Packaging 7% Appliance 3% B & C 3% United States 51% Europe 27% Asia 20% Canada 2% Key Applications POLYONE CORPORATION 21 2016 Revenue: $0.4 Billion At a Glance: Designed Structures & Solutions 2016 Revenue by Industry Expanding Profits 1.4% 5.6% 7.3% 3.0% 8-10% -0.9% 2012 2013 2014 2015 2016 2020 Operating Income % of Sales Platinum Vision Transportation 27% Industrial 21% Packaging 21% B & C 11% Healthcare 8% Consumer 8% Appliance 3% E & E 1% Key Applications United States 95% Canada 5% http://www.google.com/url? Segment Highlights At a Glance: Color, Additives & Inks At a Glance: Specialty Engineered Materials At a Glance: Designed Structures & Solutions At a Glance: Performance Products & Solutions At a Glance: Distribution Application Examples Luxury Packaging�with Gravitech Density Modified Polymers Optimize Color Usage�with OnColor Super Concentrates Combat Bacteria Formation�with WithStand Antimicrobial Technology Medical Device Housings�with Chemically Resistant Engineered Polymers Color & Design Services Outdoor Applications Fiber Colorants�Solutions for clothing, apparel, footwear, automotive & sporting goods High-Barrier Packaging Containers Investor Presentation - January 2017 r14 Investor Presentation - January 2017

CLEVELAND – October 18, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, is proud to announce a recent innovative collaboration project with Virginia Tech, one of the nation's premier research universities. Additionally, the final presentations provided an opportunity for the students to get authentic feedback from industry professionals. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

SHANGHAI, China – October 31, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, and Coloro, a  universal color system that decodes color as the human eye sees it, today announced a new collaboration to offer dope-dyeing matches of Coloro colors to the global fashion textile market. We are grateful and excited that they immediately supported this project to help provide Coloro colors for dope-dyeing.”   A unique and material-independent system of 1.6 million color codes, including beautifully designed color tools for creatives, backed with technical solutions, services and data for the supply chain, providing the product design sector the freedom to create and execute color with total confidence.

The smell of the additive acts as a deterrent against rats and termites, thereby providing protection against gnawing damage which could potentially affect the operating capacity of the cables. Longer lasting protection can help avoid unplanned service breakdowns and associated high costs for repairing or installing brand new replacement cables. TECHNOLOGY BENEFITS • Helps provide long term cable protection against rats and termites • Enables manufacturers and cable users to be compliant with EU Regulations • Easy to use, direct incorporation in the jacket, no need for additional layer to protect the cable • Helps avoid unplanned service breakdowns with associated high repair costs 1 CA-Sept15-Doc.6.2- Final 2 A masterbatch should be regarded as a biocidal product if it is has a biocidal function.

Excellence. 1 ABOUT US PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. OUR VISION To be the world’s premier provider of specialized polymer materials, services and solutions. The plans generally provide benefit payments using a formula that is based upon employee compensation and length of service.

To enable our customers’ innovation and sustainability goals through world-class products and services. To our communities by being good stewards and representing Avient at local service-related events. Community Service Avient offers a global benefit of Community Service hours.