Add on nearly $50 million in synergies from the Clariant color business integration, and we are having a record year.” http://www.avient.com/investors https://edge.media-server.com/mmc/p/yrq7mgm9 https://edge.media-server.com/mmc/p/yrq7mgm9 http://www.avient.com/investors 3 Full Year Comparisons Pro Forma for Acquisition of Clariant’s Color Business The company acquired Clariant’s color (“Clariant Color”) business on July 1, 2020 (the “Acquisition Date”). Management believes this provides better comparability of the performance of the combined businesses.

This represents a 45% increase over the prior year quarter, pro forma for the Clariant Masterbatch business.” The Company highlighted that integration of the Clariant Masterbatch business is continuing to exceed expectations. Management believes this provides comparability of the performance of the combined businesses.

https://entreprises.revenuquebec.ca/EntNa/SX/SX00/SX00.SXCLT20A You can use this service to validate a business’s QST registration number. Registration number 1019288451 TQ 0004 Status Valid Effective date of status 2017-08-01 Date viewed 2021-02-04 Business's name AVIENT CANADA ULC Business name SPARTECH PLASTIQUES Registration number to validate 1019288451TQ0004 Page 1 of 1Validate a QST Registration Number - Revenu Québec 2/4/2021https://entreprises.revenuquebec.ca/EntNa/SX/SX00/SX00.SXCLT20A.ValiderInscription/...

Merklein joined Avient in July of 2020 through the acquisition of the Clariant Masterbatch business. Merklein previously served in management positions at Clariant International, Ltd., including Head of Group Procurement; Vice President, Business Line Plastics and Special Applications, and Head of Region Europe for the Pigments and Additives Division. Merklein studied and graduated in Business Administration from IHK Frankfurt institution in Germany.

They are based on management’s expectations that involve business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. FX • Driven by strong drug delivery sales, new business wins in building & construction and consumer • Higher sales and favorable mix more than offset by variable compensation reset resulting in lower adjusted EBITDA Copyright © .

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of CMB for periods prior to the Acquisition Date. Management believes this provides comparability of the performance of the combined businesses.

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of CMB for periods prior to the Acquisition Date. Management believes this provides comparability of the performance of the combined businesses.

Pro Forma Financial Information Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). We also reference “pro forma” financial metrics, which include the results of the proposed Dyneema Business acquisition and the potential sale of the Distribution business. Management believes this provides comparability of the performance of the combined businesses.

Khandpur previously served as Group President of the Transportation & Electronics business group for 3M Company. Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from 2019 to 2021; Executive Vice President, Electronics & Energy business group, from 2017 to 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from 2014 to 2017, among other roles.

Khandpur previously served as Group President of the Transportation & Electronics business group for 3M Company. Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from 2019 to 2021; Executive Vice President, Electronics & Energy business group, from 2017 to 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from 2014 to 2017, among other roles.