Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. GUIDANCE ( T O TA L C O M PA N Y ) 7 14.8% 15.8% Guidance Actual Adjusted EBITDA Margin % Better-than-expected margins driven by: • Resilient demand for composites and sustainable solutions which improved mix of higher margin applications • Deceleration of raw material inflation • Cost reduction activities Q1 EBITDA BRIDGE ( T O TA L C O M PA N Y ) 8 $ millions CAI: Price / Mix 19) Inflation (4) SEM: Price / Mix 6) Inflation (4) Net Price Benefit 17) Wage and Energy Inflation (13) Cost Reductions 8) FX (6) Q1 2023 Actual $134) Adjusted EBITDA Q1 2022 Pro Forma $ 176) Demand (48) • Weak demand conditions in-line with previous expectations • Pricing continues to cover inflation of raw materials, wages and energy U.S. & Canada 40% EMEA 38% Asia 17% Latin America 5% Q1 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 18% Packaging 23% Healthcare 7% Industrial 16% Building and Construction 10% Defense 6%Telecommunications 4% Energy 5% END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $846M and $134M, respectively, include intercompany sales eliminations and corporate costs $537M $91M $310M $64M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $134M$846M (1) 9 Transportation 11% Q1 2 023 SA LES BY R EGI ON Y o Y C H A N G E ( E X C L .

Certified bodies (Din Certo, TÜV Austria) have approved laboratories to carry out the relevant tests. Reach out to Avient experts to learn more about color possibilities and process performance while complying with increasingly rigorous legislations.

Lightweighting for the “Pack It In, Pack It Out” Enthusiast When every ounce counts and energy conservation is key, you want to make equipment that is as light as possible but strong and reliable. Help your riders get the most out of their investments AND the ride— consider polymers to replace metal for the win-win.

Evaluating safer alternatives to substances of very high concern (SVHC) and striving to reduce or phase out these substances within our products

Each of such adjustments has not yet occurred, are out of the Company's control and/or cannot be reasonably predicted. This innovation drives performance and is reflective of consistent, strategic investments in technology and people Clariant Color business acquired July 1, 2020 1 1 2 3 5 7 7 7 9 10 30 40 14 25 13 22 35 9 19 13 18 41 Current Additional share needed to reach 2025 target B R A N D O W N E R S C O M M I T T E D TO I N C R E A S I N G U S E O F R E C YC L E D M AT E R I A L S 8 Brand Owner 1 Brand Owner 3 Brand Owner 2 Brand Owner 7 Brand Owner 4 Brand Owner 10 Brand Owner 6 Brand Owner 11 Brand Owner 5 Brand Owner 8 Brand Owner 9 Brand Owner 12 Brand Owner 13 Percent recycled plastic used: (examples and not exhaustive) (1) (1) Latest year reported.

Opportunity to inspect 9.1 Supplier shall ensure that Avient or its nominee has the opportunity to inspect the Goods or the manufacturing process of the Goods and/or any place where the Services or part thereof may be carried out. 9.2 Supplier shall diligently and continuously control and test the quality of the Goods and Services as well as the operations during manufacturing, storage and delivery. Indemnification and Liability 13.1 Supplier will indemnify, defend, and hold harmless Avient, its officers, directors, employees, agents, successors, assigns, customers and other vendors, and their respective present and future directors, officers, employees and agents from and against all liabilities, damages, claims, losses, costs, fees, expenses, penalties and injuries of any kind or nature (including court costs and reasonable attorneys’ and experts’ fees), arising out of or resulting in any way from: 1) Any breach by Supplier or a Supplier contractor/agent of any representation, warranty or obligation under the Agreement; 2) Any product liability and/or Avient Terms and Conditions of Purchase for Goods and/or Services product safety issue(s) related to the Goods; 3) Personal injury or death related to the Goods and/or Services hereunder; 3) Any loss or damage to property attributable to the Goods or Services; 4) Any negligent act, omission or willful misconduct of Supplier or a or Supplier contractor/agent; and 5) The failure of Supplier’s Goods or Services to comply with all international, state, federal and local laws, rules and regulations. Upon the request of Avient, Supplier shall deliver promptly to Avient certificates of insurance made out by the applicable insurer(s) or their authorized agents for the insurance required under this Section (the “Required Insurance”) and for any material policy amendments thereto.

Buyer assumes all risk of patent infringement by reason of any use Buyer makes of the Product in combination with other substances or in the operation of any process, and all infringement arising out of Seller’s compliance with Buyer’s designs, specifications or instructions, and Buyer shall defend, indemnify and hold Seller harmless from and against the same. Buyer assumes all risks and liabilities arising out of unloading, discharge, storage, handling and use of the Product, or arising out of compliance or non-compliance with federal, state, municipal or local laws and regulations governing or controlling such activity, except to the extent, if any, attributable to Seller’s gross negligence or willful misconduct. Buyer will indemnify, defend and hold Seller harmless against any and all liability arising out of or in any way connected with Buyer’s failure to disseminate such information, including without limitation, liability for injury, sickness, death and property damage, and costs of investigation, litigation and reasonable attorney’s fees. 11.

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The materials should also ensure that the devices are more durable, providing a convenient and effective solution for patients who prefer to carry out diagnostic tests in their own homes.