Avient Resources Avient Resources Maxxam™ FR Polypropylene Solutions provide cost savings and improve data processing capabilities

Global Policy on Antitrust Updated February 2021 Table of Contents Guide For Compliance 1 Policy Overview 1 An Overview of U.S. It should be remembered that customers and suppliers of Avient also may be competitors of Avient Production Restrictions—Agreements with competitors to limit or restrict production to keep supplies limited and prices high

Attachment 1 Special items (1) 1)

Office Supplies Auto-injectors and Drug Delivery Pens Avient Design

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). Whether it’s an ambitious start-up bringing a new product to market, or a large, multi- national OEM looking for consistency and reliability of global supply, Avient is built for long-term partnerships. Assess top 90% of supplier spend for alignment with Avient Sustainability objectives.

Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”). Assess top 90% of supplier spend for alignment with Avient Sustainability objectives. We are Avient.

Increasing regulations across the defense and security industry are putting further demands on material suppliers to find end-of-life solutions for their products,” said Marcelo van de Kamp, global business director for personal protection at Avient. About Avient   Avient Announces Quarterly Dividend...

Bob Patterson Chairman, President, and CEO August 1, 2020 ENVIRONMENTAL POLICY Avient Corporation conducts its operations in an environmentally responsible manner that is protective of the communities in which we operate. It is the responsibility of each person at Avient, including contractors, suppliers, and visitors, to follow all security procedures, to remain aware of and report all possible security threats, to remain committed to working in a secure and safe manner, and to be prepared to respond to emergencies safely and effectively. Bob Patterson Chairman, President, and CEO August 1, 2020 Product Stewardship Policy Product Stewardship plays a significant role in Avient’s sustainable and ethical business practices.

PRODUCT BULLETIN Cesa™ Fiber Tracer Concentrates The textile supply chain is usually long and complex, with several material and service suppliers playing a role. KEY BENEFITS • Unique and personalized tracer for customer/ product lines • Suitable for polyester and polyamide (nylon), including recycled grades; possibility to develop solutions for bio-polymers • No impact on spinnability, color or yarn properties • Can be combined with color into a single product for convenience • Complies with key regulatory requirements by EN, DIN, UNI and others • Supplied with a testing service package Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

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. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. FX +8.5% FX -0.4% Total Avient +8.1% Note: Regional Sales Percentages exclude impact of foreign exchange COLOR, ADDITIVES & INKS SEGMENT $487 $522 $89 $97 (in millions) (in millions) 7 + 7% (+8% excluding FX) + 9% (+11% excluding FX) 18.3% +40 bps *18.7% * * Adjusted EBITDA Margin % • Sales growth driven by winning new product specifications in consumer & packaging, strong underlying demand in healthcare and improving demand in building & construction • Favorable mix and raw material deflation contributed to EBITDA margin expansion SPECIALTY ENGINEERED MATERIALS SEGMENT $268 $295 $51 $57 (in millions) (in millions) 8 • Sales growth driven by restocking in healthcare & consumer end markets and strong underlying demand for composite applications used in building & construction, energy and defense end markets • Favorable mix contributed to EBITDA margin expansion + 10% (+10% excluding FX) + 12% (+13% excluding FX) 19.0% +40 bps *19.4% * * Adjusted EBITDA Margin % 2024 G U IDA N CE FY 2024 GUIDANCE Previous (Aug 6) Current Adjusted EPS $2.55 to $2.70 $2.63 to $2.67 Adjusted EBITDA $515 to $540 million $525 to $530 million Interest Expense $105 million $104 million Adjusted Effective Tax Rate 23% to 25% 23% to 25% Capital Expenditures & Investment in S/4 Hana ~$140 million ~$140 million 10 11 • Investor Day to be held December 4, 2024 at the NYSE, beginning at 10AM • The focus will be to do a deep dive on the Company’s strategy • Registration and microsite will be available in early November 2024 AVIENT INVESTOR DAY AP P EN D IX 18 Performance Additives 15% Pigments TiO2 Dyestuffs Polyethylene 10%Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 38% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 41% 36% 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 19% 23%Industrial Building and 7% END MARKET REVENUE $2,007M $358M $1,138M $224M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $502M$3,143M (1) 7% 20 (1) Total company sales and adjusted EBITDA of $3,143M and $502M, respectively, include intercompany sales eliminations and corporate costs 2023 REVENUE | $2 .0 B ILL ION 34% 37% 21% END MARKET REGION 21 34% 21% 15% Building & 1% Energy COLOR, ADDITIVES & INKS 2023 REVENUE | $1 .1 B ILL ION 52% 35% 22 6%Industrial 12% 10% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 26% Building & 6% 2% Defense 1% (18% of sales) 2023 AVIENT REGIONAL SALES 25% Building & (36% of sales)Transportation 22% Building & 12% 6% US & Canada (41% of sales) 59% 22% Building & LATAM (5% of sales) 23 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.