Security Policy, which focuses on protecting the security of our people and all information related to our operations. In accordance with the principles of Responsible Care®, we continuously seek to improve our processes and systems related to security performance and implement management practices consistent with the Security Code. PolyOne’s Global Trade and EHS&S departments share responsibility for supply chain security.

Comply with all applicable environmental, health, safety, and security regulations. Establish an information security and data privacy system to protect Avient’s information, including information of its customers and associates, from being disclosed, changed, destroyed, or used for any purpose other than the purpose for which it was provided.

Comply with all applicable environmental, health, safety, and security regulations. Establish an information security and data privacy system to protect Avient’s information, including information of its customers and employees, from being disclosed, changed, destroyed, or used for any purpose other than the purpose for which it was provided.

The data importer shall carry out regular checks to ensure that these measures continue to provide an appropriate level of security. Updated 08/04/2022 22 8.6 Security of processing a. The data importer shall carry out regular checks to ensure that these measures continue to provide an appropriate level of security.

Investor Day C L A R I A N T M A S T E R B A T C H A C Q U I S I T I O N D R I V E S N E X T L E V E L S P E C I A L T Y T R A N S F O R M A T I O N December 2019 A C C E L E R A T I N G G R O W T H W I T H S U S T A I N A B L E S O L U T I O N S F O R W A R D - L O O K I N G S T A T E M E N T S PolyOne Corporation 2 In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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. Sources Cash from Balance Sheet $465 New Senior Unsecured Notes 650 New Equity 450 Total Sources $1,565 Uses Clariant Masterbatch $1,500 Clariant India Masterbatch 60 Less: Lease Adjustment (113) Net Purchase Price $1,447 Net Cash Acquired 57 Fees, Expenses & OID 61 Total Uses $1,565 ($ Millions) Cash and Cash Equivalents $370 $450M Senior Secured ABL Revolver - Senior Secured Term Loan B due 2026 624 Other Debt 25 Total Senior Secured Debt $649 5.25% Senior Unsecured Notes due 2023 $600 New Senior Unsecured Notes 650 Total Senior Debt $1,899 Net Debt $1,529 New Equity $450 Pro Forma Capitalization (1) PF 12/31/2019 $450 $600 $624 $743 2019 2020 2021 2022 2023 2024 2025 2026 A T T R A C T I V E F I N A N C I N G S T R U C T U R E Attractive Debt Maturity Profile Existing Revolver Existing Senior Notes Existing Term Loan B New Debt Financing Financing Summary Terms on New Debt  $465 million of cash from the balance sheet expected to fund a portion of the purchase price  Bridge financing for remainder fully committed from Citi, Morgan Stanley and Wells Fargo  Permanent financing expected to include a combination of long-term debt and new equity  The timing of the permanent financing is subject to a number of factors, including, but not limited to, market conditions  PolyOne is committed to preserving a strong balance sheet – Target net leverage at close below 3.5x, excluding synergies  Pro forma capital structure positions PolyOne with flexibility to pursue continued growth strategy  New financing expected to have same or better covenant package than existing capital structure  Capital structure would be “covenant lite” Capital Policy  Transaction in line with PolyOne’s disciplined capital allocation policy  Existing PolyOne dividend policy to be maintained  Focus on deleveraging in the near term 2028+ PolyOne Corporation 26 PolyOne Corporation 27 T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y  Landmark portfolio transformation: > 85% of Adjusted EBITDA from specialty solutions  World-class innovation, technology and service are differentiators  Sustainability initiatives and alignment with megatrends drive above market growth in key end markets and applications:  Capital management is a strength - proven track record of expanding ROIC while increasing invested capital Transaction expected to add $0.85 to pro forma adjusted EPS PolyOne Corporation 28 PolyOne Corporation 29

The security management system module in the EH&S MS is based upon the Responsible Care® Security Code that continuously seeks to improve our processes and systems related to security performance and implement management practices consistent with the Security Code. The Avient Security and Privacy Council (ASPC) oversees the security-related governance, risk mitigation and regulatory compliance requirements of our company globally. In higher-risk locations, we maintain detailed security preparedness plans.

# # http://www.avient.com/investors https://edge.media-server.com/mmc/p/edkwvu9r https://edge.media-server.com/mmc/p/edkwvu9r http://www.avient.com/investors https://www.avient.com/ 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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. 5 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures.

General Purposes The general purposes of the Committee are to: • Develop the Company’s overall executive compensation philosophy and objectives; • Discharge the Board’s responsibilities relating to compensation of the Company’s executive officers and, further, to assist the Board in the discharge of its fiduciary responsibilities with regard to establishment of policies governing, and the implementation of, all aspects of remuneration throughout the Company, including benefits and perquisites of executive officers of the Company and any other employees designated by the Committee as key employees of the Company and its subsidiaries; • Discharge similar responsibilities with respect to the remuneration of non-employee directors; • Review and discuss with management the Company’s disclosures in the Compensation Discussion and Analysis (the “CD&A”) required by rules and regulations of the Securities and Exchange Commission (the “SEC”) and recommend to the Board whether the CD&A should be included in the Company’s proxy statement or other applicable SEC filings; • Prepare a Compensation Committee Report for inclusion in the Company’s applicable filings with the SEC that complies with the rules and regulations of the SEC; and • Provide policy guidance and oversight on significant human resource policies and practices. In evaluating and making recommendations regarding, or determining and approving, executive compensation, the Committee shall consider the results of the most recent shareholder advisory vote on executive compensation (“Say on Pay Vote”) required by Section 14A of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)

Securities  and  Exchange  Commission  (“SEC”)  adopted  the  final  rule  implementing   reporting  and  disclosure  requirements  related  to  “Conflict  Minerals,”  as  directed  by  Section  1502  of  the  Dodd-­‐ Frank  Wall  Street  Reform  and  Consumer  Protection  Act  of  2010  (“Act”).    

The Company will disclose its frequency decision as required by the Securities and Exchange Commission (the “SEC”). Prohibition on Hedging Our Securities. Avient’s Insider Trading Policy prohibits Directors, officers and certain other employees of Avient from engaging in hedging or other speculative transactions with respect to our securities, including buying or selling puts or calls, short sales, or margin purchases of our securities.