Rathbun 39,419 18,710 (3) 58,129 * 21 Directors and executive officers as a group 1,581,833 133,926 (3) 1,715,759 1.88% * Represents less than 1% of our outstanding common shares. (1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. As of December 31, 2022, BlackRock, Inc. had sole voting power with respect to 10,967,226 of these shares, sole dispositive power with respect to all of these shares, and shared voting and dispositive power with respect to none of these shares. (2) Based on information contained in a Schedule 13G/A filed by The Vanguard Group with the SEC on February 9, 2023. As of December 31, 2022, The Vanguard Group had sole voting power with respect to none of these shares, sole dispositive power with respect to 9,914,938 of these shares, shared voting power with respect to 129,594 of these shares and shared dispositive power with respect to 215,952 of these shares. (3) Based on information contained in a Schedule 13G filed by Marquard & Bahls AG with the SEC on March 1, 2023.

American Electric Power Company, Inc.; and Interface Biologics Inc. Van Hulle(3) 19,757 6,938(5) 26,695 23 Directors and executive officers as a group 829,889 220,459(5) 1,050,348 (1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. The following table shows information relating to all persons who, as of February 28, 2018, were known by us to beneficially own more than five percent of our outstanding common shares based on information provided in Schedule 13Gs and 13Ds filed with the SEC: Name and Address Number of Shares % of Shares BlackRock, Inc. 55 East 52nd Street New York, New York 10055(1) 8,465,552 10.5% The Vanguard Group, Inc. 100 Vanguard Boulevard Malvern, Pennsylvania 19355(2) 7,078,858 8.76% (1) As of December 31, 2017, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by BlackRock, Inc., which reported that BlackRock, Inc., together with certain of its affiliates, had sole voting power with respect to 8,282,667 of these shares and sole dispositive power with respect to all of these shares. (2) As of December 31, 2017, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by The Vanguard Group, Inc., which reported that The Vanguard Group, Inc., together with certain of its affiliates, had sole voting power with respect to 156,839 of these shares, sole dispositive power with respect to 6,918,635 of these shares, shared voting power with respect to 10,249 of these shares and shared dispositive power with respect to 160,223 of these shares.

American Electric Power Company, Inc. and Interface Biologics Inc. McAlindon(2) 22,109 - 22,109 23 Directors and executive officers as a group 1,110,196 271,492(4) 1,381,688 (1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. OWNERSHIP OF POLYONE SHARES 25 The following table shows information relating to all persons who, as of March 1, 2016, were known by us to beneficially own more than five percent of our outstanding common shares based on information provided in Schedule 13Gs and 13Ds filed with the SEC: Name and Address Number of Shares % of Shares BlackRock, Inc. 55 East 52nd Street New York, New York 10022(1) 7,508,703 8.7 The Vanguard Group, Inc. 100 Vanguard Boulevard Malvern, Pennsylvania 19355(2) 6,031,995 7.0 (1) As of December 31, 2015, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by BlackRock, Inc., which reported that BlackRock, Inc., together with certain of its affiliates, had sole voting power with respect to 7,307,362 of these shares and sole dispositive power with respect to all of these shares. (2) As of December 31, 2015, based upon information contained in an amendment to the Report on Schedule 13G filed with the SEC by The Vanguard Group, Inc., which reported that The Vanguard Group, Inc., together with certain of its affiliates, had sole voting power with respect to 194,520 of these shares, shared voting power with respect to 5,000 of these shares, sole dispositive power with respect to 5,837,875 of these shares and shared dispositive power with respect to 194,120 of these shares.

Through this powerful, configurable and global regulatory and voluntary compliance software we will have full data transparency throughout the life cycle of Avient products. This project brings with it 37.5 MW of additional solar power to the European grid. This is in addition to multiple sites in the region that have already transitioned to a cleaner grid power mix or are importing renewable power to complement the self-generation needed to assure reliable operations.

We have the material experience in a broad range of energy applications including solar power, wind power, battery and fuel cells to help customers deliver value and innovation. Smartbatch™ Color And Additive Concentrates offer superior UV weathering protection for solar power installations. Wind power is another reliable alternative energy application.

Patterson 1,037,619 34,761 (3) 1,072,380 1.18% 22 Directors and executive officers as a group 1,793,615 89,628 (3) 1,883,243 2.06% * Represents less than 1% of our outstanding common shares. (1) Except as otherwise stated in the following notes, beneficial ownership of the shares held by each individual consists of sole voting power and sole investment power, or of voting power and investment power that is shared with the spouse or other immediate family member of the individual or with certain trusts. As of December 31, 2023, BlackRock, Inc. had sole voting power with respect to 10,982,952 of these shares, sole dispositive power with respect to all of these shares, and shared voting and dispositive power with respect to none of these shares. (2) Based on information contained in a Schedule 13G/A filed by The Vanguard Group with the SEC on February 13, 2024. As of December 31, 2023, The Vanguard Group had sole voting power with respect to none of these shares, sole dispositive power with respect to 10,210,283 of these shares, shared voting power with respect to 60,468 of these shares and shared dispositive power with respect to 158,617 of these shares. (3) Based on 91,253,130 common shares outstanding as of February 28, 2024.

 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?

Strong past performance demonstrates that our strategy and execution are working • Megatrends align with our strengths • Innovation and services provide differentiation, incremental pricing power, and competitive advantage • Strong and proven management team driving growth and performance • Addressable market exceeds $40 billion Page 14 1 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.

In order to ensure compliance with the policy, the Board of Directors of the Company has adopted the following additional procedures, which apply to (a) directors, officers and certain employees and representatives of the Company and of its affiliates, as specified in Annex A (“Covered Employees”), and (b) members of their immediate families, partnerships in which Covered Employees are a general partner; corporations in which Covered Employees, either singly or together with other Related Persons (as defined below), own a controlling interest; trusts of which Covered Employees are a trustee, settlor or beneficiary; estates of which Covered Employees are an executor or beneficiary; or any other group or entity where Covered Employees have or share with others the power to decide whether to buy Company securities (collectively, “Related Persons”).

In applications such as power tools and other appliances hard and soft thermoplastic material combinations are used to provide functional properties such as vibration dampening, wet grip etc.