AVNT-2022.03.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2022 Results in Connection with Announcement to Acquire DSM Protective Materials (Dyneema®) • First quarter sales grew to $1.3 billion, an 11% increase over the prior year • GAAP EPS increased to $0.91 from $0.86 in the prior year first quarter • Adjusted EPS increased 11% to $0.99 compared to $0.89 in the prior year first quarter, exceeding first quarter guidance of $0.95 • Second quarter adjusted EPS guidance of $0.92 introduced with full year adjusted EPS expectation maintained at $3.50 (excluding the impact of the acquisition) • Full year free cash flow now expected to approximate $285 million, an increase of $35 million from prior estimates CLEVELAND – April 20, 2022 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today announced its first quarter 2022 results. Sales increased 11% to $1.3 billion in the first quarter and adjusted EPS grew 11% to $0.99 over the prior year first quarter. Three Months Ended March 31, 2022 2021 Sales: Color, Additives and Inks $ 649.5 $ 609.3 Specialty Engineered Materials 244.7 216.5 Distribution 432.9 362.7 Corporate and eliminations (33.3) (26.2) Sales $ 1,293.8 $ 1,162.3 Gross margin: Color, Additives and Inks $ 192.1 $ 197.5 Specialty Engineered Materials 69.8 64.7 Distribution 39.3 39.3 Corporate and eliminations (7.5) 0.9 Gross margin $ 293.7 $ 302.4 Selling and administrative expense: Color, Additives and Inks $ 97.6 $ 108.7 Specialty Engineered Materials 30.1 30.5 Distribution 15.1 15.3 Corporate and eliminations 22.3 27.5 Selling and administrative expense $ 165.1 $ 182.0 Operating income: Color, Additives and Inks $ 94.5 $ 88.8 Specialty Engineered Materials 39.7 34.2 Distribution 24.2 24.0 Corporate and eliminations (29.8) (26.6) Operating income $ 128.6 $ 120.4 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 120.5 $ 116.2 Specialty Engineered Materials 47.5 42.0 Distribution 24.4 24.2 Corporate and eliminations (26.0) (24.9) Other income, net (0.6) 1.5 EBITDA $ 165.8 $ 159.0 11 Attachment 7 Avient Corporation Reconciliation of Non-GAAP Financial Measures (Unaudited) (In millions, except per share data) Senior management uses gross margin before special items and operating income before special items to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and how it may serve as a basis for future performance.

CABLE MANUFACTURER J A C K E T F O R P O W E R C A B L E • High tear resistance > 11 N/mm • High environmental stress cracking resistance (ESCR) • Cost efficient solution • Hot pressure resistance above 80°C • Provided a jacket solution that complies with LTS1 requirements as per the BS 7655-6.1 standard • Enabled use in over-armored cables operating at a maximum conductor temperature of 90°C • Supported our customer in optimizing the processing of the new material ECCOH LSFOH 5983 Formulation KEY REQUIREMENTS WHY AVIENT?

S-RED 1074 S-GRAY 9011 PP FR 8-6 LMS-1000

GREY PP RED PP PP FR 8-6 LMS-1000

S-RED 1002 S-RED 1006 PP FR 8-6 LMS-1000

The PK blends included unfilled, high impact (HI), and FR grades. MATERIAL BRIEF DESCRIPTION FR PC/ABS Flame retardant, chemical resistance, high ESCR FR PC/PET Flame retardant, impact modified, chemical resistant FR PC/PBT Skin-contact biocompatible, flame retardant, high chemical resistance FR Copolyester Flame retardant, chemical resistant, may incorporate agency-rated materials to meet USP Class VI or ISO 10993 requirements Trilliant™ HC8910 Unfilled PK blend, BPA-free, high chemical resistance, may incorporate agency-rated materials to meet USP Class VI or ISO 10993 requirements Trilliant™ HC8920 FR Non-halogenated flame retardant PK blend, BPA-free, high chemical resistance, may incorporate agency rated materials to meet USP Class VI or ISO 10993 requirements Edgetek™ ET8900 CR Unfilled PK blend, high chemical resistance Edgetek™ ET8900 HI CR High impact PK blend, high chemical resistance Edgetek™ ET8920 FR CR Non-halogenated flame retardant PK blend, high chemical resistance Table 2. Images of A) Trilliant HC8900 series, B) FR PC alloys, and C) FR copolyester tensile bars in the strain apparatus following a 72-hour treatment with Virex® TB.

S-RED 1098 S-BLUE 4076 PP FR 8-6 LMS-1000

E L E C T R I C H A I R C L I P P E R S HAIRSTYLING APPLIANCE MANUFACTURER • Regulatory – UL rated flame retardancy • High stiffness and impact resistance • Excellent surface appearance • Colorability/color matching – specific black color • Provided color matching expertise to match glass fiber reinforced formulation to specific customer requirement • Enabled customer to diversify into a new market with a new design of hair clipper for consumers • Developed material quickly - three months from brief to production Bergamid™ A700 glass reinforced flame retardant formulation KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/bergamid-fr-non-halogen-flame-retardant-formulations Hairstyling appliance manufacturer

avient ATM/ CASH MACHINE T R A Y S T R U C T U R E • Excellent stiffness & rigidity • Anti-static, frictional note speed • Excellent dimensional stability • Flame resistance • Service life durability • Provided a solution with permanent antistatic properties • Excellent wear and friction resistance, enhancing durability • Additional performance characteristics of flame resistance and low COF Stat-Tech™ PC custom formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION ESD WITH EXCELLENT STIFFNESS & FR LEARN MORE Copyright © 2023, Avient Corporation.

SILCOPAS DOE 2-3 BLK SILCOPAS DOE 2-5 BLK PP FR 8-6 LMS-1000