AVIENT OVERVIEW OUR VISION: Creating specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world 2023 Financial GuidanceCompany Overview 2022 Pro Forma Revenue By: 9,700 Employees 104 Manufacturing Sites 20,000+ Customers Key Highlights  Premier formulator of specialized and sustainable material solutions  Asset-light business model, with flexibility to adapt to customer needs  Best-in-class technology and service (140+ PhDs / 2,500+ patents)  History of transformation through successful M&A while consistently returning cash to shareholders  Poised for continued future growth in excess of GDP $3.4B Revenue $2.40 $530M Adjusted EBITDA 15.6% Adjusted EBITDA Margins $200M Free Cash Flow 2.9x Net Leverage Over $1B in share buybacks since 2011 Raised dividend for 12 consecutive years, a 16% CAGR since 2011 Geography Segment Industry U.S. & Canada 64% 36% Specialty Engineered Materials Color Additives and Inks 37% 9% 4% 4% Building & Energy Telecom 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6.5% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. We create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

Polyolefins – Aligning with Sustainability Goals Overview of ways to achieve sustainability using polyolefins Sustainable Formulations

NYSE: POL), a leading global provider of specialized polymer materials, services and solutions, announced that its Board of Directors has elected is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM,

These high gloss metallic effect colorants offer our customers an easy-to-implement solution that creates out-of-this-world effects,” added Gary Fielding, global marketing director, Color & Additives at PolyOne. About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

These formulations offer our customers an easy-to-implement solution that creates out-of-this-world effects,” added Gary Fielding, global marketing director, Color and Additives at PolyOne. About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

OnColor BIO solutions address a previously unmet market need by enabling packaging producers to proactively meet toughening legislation, such as France’s new Energy Transition Law. About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

The four dynamic palettes represent mindsets that draw from health and well-being, sustainable living, inspired playfulness, and a theatrical spirit. PolyOne Corporation (NYSE: POL), with 2018 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. The company adds value to global customers and improves sustainability through formulating materials, such as:

PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is an ACC Responsible Care® certified company committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles. PHOTO CAPTION: PolyOne’s portfolio of advanced thermoplastic and thermoset continuous fiber reinforced composites offers customized solutions to serve a full range of markets and industries.

CLEVELAND – PolyOne Corporation (NYSE: POL), a leading global provider of specialized polymer materials, services and solutions, today held its 2015 annual meeting of shareholders, during which time all presented proposals before shareholders were approved. PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

PolyOne’s exhibit will highlight the following services, support, material and additive solutions: PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.