Q 2 2021 P E RFO R MA N CE U P DAT E $69 $122 $0.42 $0.87 Q2 2021 – ORGANIC PERFORMANCE 10 Sales Adjusted Operating Income $870 $1,235 + 42% + 77% + 107% (1) (1) (1) Q2 2021 SEGMENT PERFORMANCE 11 CAI $488 $624 ($ in millions) SEM Distribution $54 $86 +28% +59% $239 $404 $15 $24 +69% +60% $159 $241 $17 $37 +52% +118% SPECIALTY EBITDA MARGIN EXPANSION 12 CAI (1) 2018-2020 financial information is pro forma to include a full year of Clariant Masterbatch business acquisition 15.3% 15.2% 16.2% 18.5% 2018 2019 2020 YTD 2021 14.8% 15.2% 17.6% 19.1% 2018 2019 2020 YTD 2021 SEM • Continued portfolio transformation to high-growth end markets and sustainable solutions • Clariant Masterbatch synergy realization • Investments in composites and outdoor high performance applications drive growth and mix improvements CAI EBITDA MARGIN EXPANSION 13 Legacy CAI 18.9% 18.9% 20.3% 2019 2020 YTD 2021 Legacy 11.9% 13.8% 16.8% 2019 2020 YTD 2021 • Synergy capture translating to the bottom line • Positive mix with growth in healthcare, consumer and packaging end-markets • World-class vitality index of 35% represents sales from products introduced in the last five years.

The parties agree that Seller need not further object to any specific terms and conditions set by Buyer; such failure to object to Buyer’s specific terms and conditions is not an acceptance of any such terms and conditions. Buyer shall have no right of set-off. Department of the Treasury’s Office of Foreign Assets Control, Regulation (EU) 2021/821 of the European Parliament and of the Council of 20 May 2021 setting up a Union regime for the control of exports, brokering, technical assistance, transit and transfer of dual-use items (recast), and all trade sanctions enacted by the EU (“Trade Control Laws”).

The parties agree that Seller need not further object to any specific terms and conditions set by Buyer; such failure to object to Buyer’s specific terms and conditions is not an acceptance of any such terms and conditions. Buyer shall have no right of set-off.

The parties agree that Seller need not further object to any specific terms and conditions set by Buyer; such failure to object to Buyer’s specific terms and conditions is not an acceptance of any such terms and conditions. Buyer shall have no right of set-off.

The parties agree that Seller need not further object to any specific or general terms and conditions set by Buyer; such failure to object to Buyer’s specific or general terms and conditions is not an acceptance of any such terms and conditions. Buyer shall have no right of set-off.

The parties agree that Seller need not further object to any specific terms and conditions set by Buyer; such failure to object to Buyer’s specific terms and conditions is not an acceptance of any such terms and conditions. Buyer shall have no right of set-off.

The parties agree that Seller need not further object to any specific terms and conditions set by Buyer; such failure to object to Buyer’s specific terms and conditions is not an acceptance of any such terms and conditions. Buyer shall have no right of set-off.

You may also find that local customs and business or social practices do not meet the standards set out in our Code. Additional Responsibilities of Avient Supervisors and Managers • Serve as a role model and set the tone for appropriate behavior at Avient Avient not only intends to comply with laws applicable to bribery and kickbacks, but to set a standard that exceeds legal requirements.

We complete initial runs, tooling review, and optimize suggested processing settings that can be communicated to your long term processer of choice.

WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: Page 2 of 7 Facility: Avient Corporation - Elk Grove, IL 2400 East Devon Avenue Elk Grove, IL 60007 Facility: Avient Corporation - Glendale, AZ 7601 North Glen Harbor Blvd.