Avient Provides Sustainable, Vibrant Color Technology in Fabrics for Eco-Conscious Consumers CLEVELAND, July 12, 2021 /PRNewswire/ -- From the clothes we wear to the upholstery in the cars we drive, color plays a major role in creating cons

In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full- year 2012 Pro forma results, including Spartech and Glasforms and excluding discontinued operations. • PolyOne’s chief operating decision makers use these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Strong past performance demonstrates that our strategy and execution are working • Megatrends align with our strengths • Innovation and services provide differentiation and competitive advantage • Strong and proven management team driving growth and performance • Addressable market exceeds $40 billion The New PolyOne: A Specialty Growth Company 2015 Target: $2.50 Adjusted EPS Page 14 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. Spartech results reflect results since the date of acquisition. “””Three Months Ended ‘’’’’September 30, Platform operating income “””””””2013 2012 (a) Global Specialty Engineered Materials $ 15.7 $ 13.1 Global Color, Additives and Inks 28.7 18.6 Designed Structures and Solutions 10.9 – Specialty Platform 55.3 31.7 Performance Products and Solutions 14.3 12.3 PolyOne Distribution 16.6 16.4 Corporate and eliminations (24.6) (16.9) Operating income $ 61.6 $ 43.5 (a) Adjusted to reflect the resins business as a discontinued operation.

They work in both hot and cold fog conditions, and in mono and multilayer film, thanks to a combination of multi-additives in the masterbatch formulation that allows good fog clearance performance before and after lamination. 

In certain cases throughout this presentation.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Platform operating income mix percentage 2005Y* 2008Y* 2010Y* 2013Y Q3 2014 YTD Global Color, Additives and Inks $ 4.3 $ 28.1 $ 37.7 $ 104.0 $ 98.2 Global Specialty Engineered Materials 0.4 17.6 49.7 57.2 55.6 Designed Structures and Solutions - - - 33.4 37.2 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 194.6 $ 191.0 Performance Products and Solutions 75.7 31.3 54.0 56.0 51.4 Distribution 19.5 28.1 42.0 63.3 53.2 Joint ventures 91.9 28.6 18.9 - - Corporate and eliminations (51.5) (425.1) (27.7) (82.4) (126.2) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 231.5 $ 169.4 Less: Corporate operating expense 51.5 425.1 27.7 82.4 126.2 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 313.9 $ 295.6 Specialty platform operating mix percentage 2% 34% 43% 62% 65% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Non GAAP Rec - 11 5 14.pdf Sidoti & Company non-GAAP Rec

In certain cases throughout this presentation.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. Platform operating income mix percentage 2005Y* 2008Y* 2010Y* 2013Y Q3 2014 YTD Global Color, Additives and Inks $ 4.3 $ 28.1 $ 37.7 $ 104.0 $ 98.2 Global Specialty Engineered Materials 0.4 17.6 49.7 57.2 55.6 Designed Structures and Solutions - - - 33.4 37.2 Specialty Platform $ 4.7 $ 45.7 $ 87.4 $ 194.6 $ 191.0 Performance Products and Solutions 75.7 31.3 54.0 56.0 51.4 Distribution 19.5 28.1 42.0 63.3 53.2 Joint ventures 91.9 28.6 18.9 - - Corporate and eliminations (51.5) (425.1) (27.7) (82.4) (126.2) Operating income (loss) GAAP $ 140.3 $ (291.4) $ 174.6 $ 231.5 $ 169.4 Less: Corporate operating expense 51.5 425.1 27.7 82.4 126.2 Operating income excluding Corporate $ 191.8 $ 133.7 $ 202.3 $ 313.9 $ 295.6 Specialty platform operating mix percentage 2% 34% 43% 62% 65% * Historical results include the Resin and Specialty Coatings businesses within the Performance Products and Solutions segment. Non GAAP Rec - 11 5 14.pdf Sidoti & Company non-GAAP Rec

Limited PO Box 2137, Jeddah 22758 Saudi Arabia Has been assessed and found to meet the requirements of ISO 14001:2015 This certificate is valid for the following scope of operations: Production and Supply of Color and Additive Master Batches Authorised by: Stan Wright Director Date of Certificate Issue: 20 December 2022 Certificate Valid Until: 19 December 2025 Recertification audit before 20 November 2025. SN Registrars (Holdings) Limited Certificate Number: DAS 18788177/31/E Rev: 001 Registration House, 22b Church Street, Rushden, Northamptonshire, NN10 9YT, UK Tel: +44 (0) 1933 381859 Email: enquiries@snregistrars.com Web: www.snregistrars.com Company number: 07659067 mailto:enquiries@snregistrars.com http://www.snregistrars.com/

This document is issued by the Company subject to SGS General Conditions of certification services available on Terms and Conditions | SGS. Page 1 / 1 has been assessed and certified as meeting the requirements of ISO 9001:2015 For the following activities The Design and Manufacturing of Plastic Color Concentrated, Plastic Additive Concentrated and Pigment Powder for Thermoplastic & Rubber Industries.

Kronimus joined Avient in March 1999, and in addition to leading the company’s engineered materials business in Europe and India, also serves as Avient’s legal representative in the region, responsible for building and maintaining relationships with local governments and associations. Kronimus served as international controller and finance director as well as other positions of financial, commercial and plant management in Avient’s Color, Additives & Ink business unit.

Limited PO Box 2137, Jeddah 22758 Saudi Arabia Has been assessed and found to meet the requirements of ISO 9001:2015 This certificate is valid for the following scope of operations: Production and Supply of Color and Additive Master Batches Authorised by: Stan Wright Director Date of Certificate Issue: 17 October 2022 Certificate Valid Until: 29 September 2025 Recertification audit before 30 August 2025. SN Registrars (Holdings) Limited Certificate Number: DAS 65732900/31/Q Rev: 003 Registration House, 22b Church Street, Rushden, Northamptonshire, NN10 9YT, UK Tel: +44 (0) 1933 381859 Email: enquiries@snregistrars.com Web: www.snregistrars.com Company number: 07659067 mailto:enquiries@snregistrars.com http://www.snregistrars.com/

There are growing concerns over the health hazard of PFAS, and a strong push from regulatory bodies and companies to progressively ban them. Provided in the form of additive concentrates, they can be combined with colors and other additives for a solution tailored to customers’ needs. APPLICATIONS • Electrical and electronic enclosures and housings • Junction boxes • Switches, connectors and plugs • Power outlet components • Covers and windows in E&E parts BENEFITS • Formulated without PTFE which is typically used as anti-drip agent • Non-halogen in accordance with the IEC 61249-2-21 standard • Achieves GWFI 960°C temperature (with max. 30 sec post combustion time) according to IEC 60695-2-12 • Can be combined with colors and other additives for added convenience and increased performance PRODUCT OVERVIEW Copyright © 2023, Avient Corporation.