From eco-conscious inks to a refreshed look for one of our most iconic, classic brands, the Avient Specialty Inks team is pleased to continue to offer innovative and inspired solutions.” Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com

Satisfying all of these needs for deep black colorants in the textile industry has proven to be challenging over the past few years as certain color technologies could meet only one or two but not all requirements,” said Mauro Dallavalle, senior marketing manager, Color & Additives Fibers at Avient. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Nicole DeChant Avient Corporation nicole.dechant@avient.com

One of the key advantages of ECCOH XL 8054 is its excellent processability due to its ability to meet the Commission Electrotechnique Internationale (CEI) EN 50363-0:2015 standards, namely G17 and G18, and adhere to the Construction Products Regulation (CPR) for enhanced fire safety. Our purpose at Avient Corporation (NYSE: AVNT) is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world. Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com

Fueled by EV growth, the demand for public charging equipment is rising in the U.S., with over one million stations estimated to be built in the next eight years. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Nicole DeChant Avient Corporation nicole.dechant@avient.com

It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. As one, we are better positioned than ever before to lead and to make a positive difference. Scope included legacy PolyOne operations.

Borealis is one of the world’s leading providers of advanced and sustainable polyolefin solutions and a European front-runner in polyolefins recycling. Media contacts: Virginia Wieser  Senior Manager, Corporate Communications, Brand & Reputation  tel.: +43 1 22 400 772 (Vienna, Austria)  media@borealisgroup.com  Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com  

NOTICE OF 2019 ANNUAL MEETING OF SHAREHOLDERS AND PROXY STATEMENT PolyOne Corporation MESSAGE FROM OUR CEO Your vote is very important. Factor Median Peer Group Comparator 2017 Financials* 2018 PolyOne Results PolyOne Peer Group for 2018 Compensation Decisions Review of 2018 Named Executive Officer Compensation What We Pay and Why: Elements of Compensation 2018 Base Salary 2018 Annual Incentive. Company Contributions to PolyOne Supplemental Retirement Benefit Plan.

One of the most commonly cited advantages of TPEs is the ability to produce products via high-volume injection molding, which is an extremely cost- effective process. For one, you can’t put a product or device made with TPEs in the oven at 400 degrees Fahrenheit (F), which you can do with silicone. Diving Deeper into TPEs https://www.avient.com/discover-tpes-healthcare https://www.avient.com/polyone-develops-new-silicone-alternative-tpe-medical-tubing Taking the Next Steps More technical and detailed information on thermoplastic elastomers can be found on our TPE Knowledge Center and TPE FAQ page.

ABS Quality Evaluations This is to certify that the Quality Management System of: PolyOne Corporation PolyOne 1260 Carden Farm Drive Clinton, TN 37716 IATF 16949:2016 The Quality Management System is applicable to: Certificate No: 38223 Effective Date: 03 July 2018 Expiration Date: 02 July 2021 Issue Date: 03 July 2018 IATF No: 0313794 Alex Weisselberg, President DESIGN AND COMPOUNDING OF THERMOPLASTIC PRODUCTS (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 2 ABS Quality Evaluations PolyOne Corporation IATF 16949:2016 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

One of the standout features of ColorMatrix AAnchor is a very low tendency for migration, thereby reducing the risk of exceeding regulatory limits, even in closed-loop recycling systems where accumulation and migration risk are highest. We are thrilled to introduce ColorMatrix AAnchor to our customers," said Andrea Smith, Global Product Manager at Avient Corporation. Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com