The point where conductivity begins is called the “percolation threshold.”

Cash and cash equivalents at beginning of year

Cash and cash equivalents at beginning of year

Cash and cash equivalents at beginning of period

Product Family and Temperatures Product Family Mold Melt Nozzle Zone 3 Zone 2 Zone 1 Feed SBS Formulations 75-90ºF (25-32ºC) 370-390ºF (190- 200ºC) 370-390ºF (190- 200ºC) 360-380ºF (185- 195ºC) 340-360ºF (170- 182ºC) 300-330ºF (150- 165ºC) 100-150ºF (40-65ºC) SEBS Formulations 110-130ºF (43-55ºC) 370-430ºF (190- 220ºC) 390-430ºF (200- 220ºC) 390-430ºF (200- 220ºC) 370-390ºF (190- 200ºC) 350-370ºF (175- 190ºC) 100-170ºF (40-75ºC) Supersoft Formulations 110-130ºF (43-55ºC) 340-390ºF (170- 200ºC) 360-390ºF (180- 200ºC) 360-390ºF (180- 200ºC) 335-375ºF (170- 190ºC) 300-330ºF (150- 165ºC) 100-120ºF (40-50ºC) Setting Shot Size When starting up a new mold, begin with short-shots, then gradually increase the shot size until all part cavities are 80-90% filled.

Detailed information about each Director’s background, qualifications, attributes, skills and experience can be found beginning on page 9. Management and the Compensation Committee are aware of Code Section 162(m), which generally disallows a federal income tax deduction to publicly traded companies like PolyOne for compensation in excess of $1 million per year paid to certain executive officers (and, beginning in 2018, certain former executive officers). Effective for tax years beginning after December 31, 2017, the exemption for qualified performance-based compensation from the deduction limitation of Code Section 162(m) has been repealed, unless certain transition relief for certain compensation arrangements in place as of November 2, 2017 is available.

Personal Values Integrity, Honesty and Respect Integrity, Honesty and Respect begin with each of us—the judgments and decisions we make as individuals affect the way Avient is viewed in the marketplace and in the communities where we work.

For information on the terms and conditions of these incentive plans, see the “What We Pay and Why: Elements of Compensation” section of this proxy statement (beginning on Page 32). 5 PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated April 1, 2016 Our Board respectfully requests your proxy for use at the Annual Meeting to be held at PolyOne’s corporate headquarters located at PolyOne Center, 33587 Walker Road, Avon Lake, Ohio 44012 at 9:00 a.m. on Thursday, May 12, 2016, and at any adjournments of that meeting. The modified RSUs include shares deemed purchased with reinvested dividend equivalents that are subject to the same forfeiture conditions as the shares to which the dividends relate and vest in full (beginning with the first row) on February 15, 2016, July 10, 2016, February 11, 2017 and February 4, 2018, respectively.

Global Compact 11 Engaging with Our Stakeholders 12 2030 Sustainability Goals & Progress 13 Sustainability Performance & Recognition 14 Enabling a Sustainable World Amplifying Innovation for a Sustainable World 16 Our Sustainability Portfolio 16 Enabling Sustainability for Our Customers 17 Product Stewardship 21 Product Excellence 22 Global Chemical Management 23 Supplier Collaboration 24 Supplier Evaluation 24 Strategic Partnerships and Alliances 25 Preserving the Planet Protecting the Environment 27 Climate Change 27 Reducing Emissions Across Our Value Chain 29 Climate Risks & Opportunities 29 Waste: Preventing, Minimizing, Eliminating 30 Water Stewardship & Biodiversity 31 Conventional Air Emissions 31 Culture of Safety & Sustainability Environmental, Health & Safety 33 Performance: Metrics & Monitoring 34 Occupational Safety & Health 35 Security 35 Training & Development 36 Employee Resource Groups 37 Inclusion & Impact 37 Benefits Programs 38 Human Rights 39 Becoming an Even Better Place to Work 40 Community Service and Charitable Contributions 41 Governance Governance 43 The Highest Ethical Standards 44 Compliance and Training Programs 44 Ethics Hotline and Reporting 44 Policies & Guidelines 45 Appendix People Data and Metrics 47 Planet Data and Metrics 48 Workforce Demographics 51 Earth Day Photo Contest 52 GRI/SASB/TCFD Content Index 53 Reconciliation of Non-GAAP Financial Measures (Unaudited) 67 LEARN MORE Avient Sustainability Sustainability Report | 2024 2Contents | About Avient | Message from the CEO | Sustainability at Avient | Enabling a Sustainable World | Preserving the Planet | Culture of Safety & Sustainability | Governance | Appendix https://www.avient.com/company/sustainability https://www.avient.com/company/sustainability https://www.avient.com/company/sustainability https://www.avient.com/company/sustainability About Avient Message from the CEO Our Purpose and Strategic Framework Who We Are What We Do Revenue: Business Segments, Geography, and End Markets Sustainability Report | 2024 3Contents | About Avient | Message from the CEO | Sustainability at Avient | Enabling a Sustainable World | Preserving the Planet | Culture of Safety & Sustainability | Governance | Appendix In 2024, we took a significant step in our company’s evolution by developing and beginning to execute a new strategic framework for the Avient of the future.

However, shareholders should note that because each Say on Pay vote occurs well afteff r the beginning of the compensation year, and because the different elements of our executive compensation programs are designed to operate in an integrated manner and to complement one another, in many cases it may not be appropriate or feasible to change our executive compensation programs in consideration of any one year’s Say on Pay vote by the time of the following year’s annual meeting of shareholders.