The WalShield™ system installed at this school district in Arizona is just one example of how it has successfully enhanced perimeter security for academic institutions, New Mexico Magistrate Courts, Sandoval County Buildings, and other entities across the country.

Any additional, different or other terms and/or conditions contained in any purchase order, document, website or other communication by or from Buyer are hereby objected to and rejected by Seller. Buyer shall not use Seller’s name or trademarks in any advertisements, product descriptions, packaging materials, websites, or any other promotional materials, except with the prior written consent of Seller. 17.

I continue to be extremely pleased with how well our two companies have come together. Where You Can Find Additional Information Our principal executive offices are located at 33587 Walker Road, Avon Lake, Ohio 44012, and our telephone number is +1 (440) 930-1000. The contents of our website are not part of this Annual Report on Form 10-K, and the reference to our website does not constitute incorporation by reference into this Form 10-K of the information contained at that site. 7 AVIENT CORPORATION ITEM 1A.

as applicable) 4.2.2 Customer Description 4.2.3 Manufacturer’s Product Code 4.2.4 Manufacturer's Lot Number 4.2.5 Quantity and Units (Example 25 lbs.) 4.2.6 Company Name 4.2.7 Date of Manufacture 4.2.8 Expiration Date (as applicable) 5.0 SUPPORTING DOCUMENTATION 5.1 Certification: Each shipment of product will be accompanied by a Certification that, at the time of shipment, the material conforms to the Product Specifications. 5.1.1 Certification document will include: 5.1.1.1 Customer Part Number 5.1.1.2 Customer Purchase Order Number 5.1.1.3 Customer Material Description 5.1.1.4 Manufacturer's Lot Number 5.1.1.5 Total quantity shipped (with units) 5.1.1.6 Test values (as applicable) 5.1.2 Certification will be sent with each product shipment, addressed to the Customer’s shipping location and/or electronically sent to appropriate Customer contact. 5.1.3 The Certification document may contain test values conducted by NEU on the product for those characteristics listed under certification. 5.2 Safety Data Sheets: A Safety Data Sheet will be made available upon request or may be available on NEU’s website.

These are also posted and available on our website at www.polyone.com, under “Corporate Governance” on our investor relations page. Newlin Former Executive Chairman How Pay is Tied to Company Performance. How our compensation programs contribute to our Company’s success is described below.

• A reconciliation of each 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.

CUTTING EDGE EQUIPMENT Explore how polymer formulations elevate the aesthetics, durability, and performance of lawn equipment to meet consumer demands and keep your brand ahead of the competition.

MEDICAL DEVICE DISINFECTION—HOW TO PREVENT CRACKING AND CRAZING Understanding polymer performance is key to minimizing disinfectant-related failures DISINFECTANT-RELATED DAMAGE ON POLYMER HOUSINGS Strong chemicals used to reduce hospital- acquired infections can damage equipment and result in material failures, such as: • Stress cracking • Crazing • Discoloration CHEMICAL RESISTANCE REQUIREMENTS VARY BY ENVIRONMENT • Patient/exam rooms • Operating and radiology rooms • Reception areas • Home (patient equipment & devices) Healthcare devices must perform flawlessly in a myriad of challenging environments and engineers must be certain their devices can withstand increasingly potent disinfectants, which have begun to outstrip the performance of traditional polymers.

APPLICATION BULLETIN 1 Typical properties: these are not to be construed as specifications HOW TRILLIANT™ HC FORMULATIONS HELP TO SOLVE THE MOST DIFFICULT PERFORMANCE AND PROCESS CHALLENGES Trilliant HC conductive thermoplastics can be customized to meet your unique challenges.

HOW AVIENT CUSTOM POLYMER FORMULATIONS MAKE THE DIFFERENCE FOR 5G BASE STATION ANTENNA PHASE SHIFTS Faster Design Qualification & Shorter Lead Times – Avient can custom formulate materials to specific Dk values, sample within one week, and deliver on production quantities within two to three weeks.