KEY BENEFITS • Highly dispersed additives with high efficacy at low to moderate dosages • Excellent compatibility with the application resin • Non-phenolic and non-phthalate additives • Formulated without animal-derived substances • Food contact compliance according to US FDA and EU norms • OEM approvals for hygiene products • Can be combined with colors into a single combination concentrate for convenience • Product guidance and technical assistance from our experts

The non-GAAP financial measures include: Adjusted Earnings Per Share, Net Debt / Adjusted EBITDA, and Adjusted EBITDA. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. When showing constant dollar figures on GAAP and non-GAAP financial measures, the foreign exchange impact is calculated by using current foreign exchange rates and applying them to the prior period results.

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USE OF NON-GAAP MEASURES PolyOne Corporation 3 This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, pro forma adjusted EPS, adjusted operating income, adjusted EBITDA, return on invested capital (ROIC) and free cash flow. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation, which is posted on our website at www.polyone.com.

The non-GAAP financial measures include: adjusted Earnings Per Share and adjusted EBITDA. A reconciliation of each historical non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.avient.com. This is due to the inherent difficulty of forecasting the timing and amount of certain items, such as, but not limited to, restructuring costs, environmental remediation costs, acquisition-related costs, and other non-routine costs.

Page 2 Use of Non GAAP Measures • This presentation includes the use of both GAAP (generally accepted accounting principles) and non‐GAAP financial measures. In certain cases throughout this presentation, we have presented GAAP and non‐GAAP financial measures adjusted to reflect full‐ year 2012 Pro forma results, including Spartech and Glasforms. • PolyOne’s chief operating decision makers use these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Strong past performance demonstrates that our strategy and execution are workinggy g • Megatrends align with our strengths • Innovation and services provide differentiation and competitive advantage • Strong and proven management team driving growth and performancegrowth and performance The New PolyOne: A Specialty Growth Company $2015 Target: $2.50 Adjusted EPS Page 16 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, adjusted operating income, free cash flow and adjusted EBITDA. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

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POLYONE CORPORATION 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, Specialty platform operating income percentage, adjusted operating income, and return on invested capital.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Investor Presentation - November 2016 IR Presentation - Q3 2016 - RW Baird.pdf PolyOne Investor �Presentation�3Q 2016 Forward-Looking Statements Use of Non-GAAP Measures About PolyOne What We Do At a Glance Slide Number 7 28 Consecutive Quarters of EPS Growth Proof of Performance & 2020 Goals Ours is Not a Cost Cutting Story Innovation Drives Earnings Growth Strategic Growth Opportunities Primary Industries Served Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Free Cash Flow and Strong Balance Sheet �Fund Investment / Shareholder Return Returning Cash to Shareholders Why Invest In PolyOne?