Special items for the fourth quarter of 2017, which primarily included tax adjustments associated with the Tax Cuts and Jobs Act, resulted in a net after-tax gain of

Under the circumstances, we are doing an exemplary job serving our customers and improving profitability at the same time. 

We actively seek collaborative and innovative change-makers who are passionate about our strategy and values through numerous channels, including employee referrals, job fairs, talent networks, industry associations, and directly from universities. The Secretary will review all such correspondence and regularly forward to the Board a log and summary of all such correspondence and copies of all correspondence that, in the opinion of the Secretary, deals with the functions of the Board or committees of the Board or that the Secretary otherwise determines requires the Board’s attention, excluding those items that are not related to Board duties and responsibilities, such as junk mail and mass mailings, product complaints and product inquiries, new product or technology suggestions, job inquiries and resumes, advertisements or solicitations, and surveys. Any such written notice directed to Avient should be addressed to Equiniti Trust Company, LLC, 1110 Centre Pointe Curve, Suite 101, Mendota Heights, MN 55120 or oral notice may be given by calling +1-855-598-2615: • to receive a separate copy of the Annual Report on Form 10-K for the fiscal year ended December 31, 2024, proxy statement or Notice of Internet Availability of Proxy Materials for the Annual Meeting; • to receive separate copies of those materials for future meetings; or • if the shareholder shares an address and wishes to request delivery of a single copy of proxy materials, rather than receiving multiple copies.

We actively seek collaborative and innovative change-makers who are passionate about our values through numerous channels, including employee referrals, job fairs, talent networks, industry associations, and directly from universities. These roles include highly-coveted rotational development programs where individuals are able to gain experience in various departments and jobs within or across functions, contributing their skills while also building diverse, well-rounded knowledge of our Company and its many stakeholders. Winona, Minnesota 7.

Winona, Minnesota 6. The Tax Cuts and Jobs Act (TCJA) was enacted on December 22, 2017. The Tax Cuts and Jobs Act (TCJA) was enacted on December 22, 2017.

We actively seek collaborative and innovative change-makers who are passionate about our values through numerous channels, including employee referrals, job fairs, talent networks, industry associations, and directly from universities. These roles include rotational development programs where individuals are able to gain experience in various departments and jobs within or across functions, expanding their skills while also building diverse, well-rounded knowledge of our Company and its many stakeholders. Our key development opportunities include nomination-based leadership programs (such as NextGen, Emerging Leaders and Elevate), foundational leadership training for all current or aspiring people managers, called Core Leadership, and LSS training at a variety of levels, where individuals can be certified for job-specific LSS programs, up through Master Black Belt certification.

Employee Recruitment We actively recruit and seek the best and the brightest talent through numerous channels, including job fairs, online talent networks, industry associations, referrals and campus recruiting. We have launched seven highly coveted rotational development roles—from marketing to operational excellence to finance to IT—where newly hired associates rotate through various departments and jobs for up to two years, contributing their skills while also building diverse, well-rounded knowledge of our Company and its many stakeholders. Winona, Minnesota 7.

Listed below are some examples of our global recognition programs: You Made a Difference Awards Recognizes associates who go above and beyond their job responsibilities on a project or task. Job title Corresponding job category Row 1 VP Sustainability Chief Sustainability Officer (CSO) SC.

We have also launched 7 highly coveted leadership development programs—from marketing to operational excellence to finance to IT—where newly hired associates rotate through various departments and jobs for up to two years, contributing their skills while also building diverse, well-rounded knowledge of our company and many stakeholders. SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Wells Fargo Shareowner Services 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2815 or 1-651-450-4064 www.shareowneronline.com Additional information about PolyOne, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.polyone.com or free of charge from: Investor Affairs Administrator PolyOne Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 440-930-1000 ANNUAL MEETING The annual meeting of shareholders of PolyOne will be held May 11, 2017 at 9:00 a.m. at PolyOne’s Corporate headquarters, 33587 Walker Road, Avon Lake, Ohio.

We actively seek collaborative and innovative change-makers who are passionate about our values through numerous channels, including employee referrals, job fairs, talent networks, industry associations, and directly from universities. These roles include highly-coveted rotational development programs where individuals are able to gain experience in various departments and jobs within or across functions, contributing their skills while also building diverse, well-rounded knowledge of our Company and its many stakeholders. Our key development opportunities include nomination-based leadership programs (such as NextGen, Engage and Elevate), foundational leadership training for all current or aspiring people managers (called Core Leadership), and Lean Six Sigma training at a variety of levels, where individuals can be certified for job-specific Lean Six Sigma programs, up through Master Black Belt certification.