About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend...

Custom Pre-Colored Specialty Engineered Formulations ColorMatrix™ Optica™ Specialty Toners for PC Protective Materials

Replacing metal with engineered thermoplastics, vinyl and specialty polymer sheet can help you reach these goals.         These materials resist temperature and corrosion in ways that metal cannot always match. To learn more about your best metal replacement options, contact an expert at Avient today.

Georgia Tech Industrial Design students, including Anastacia Delvin (top left) present their innovative projects using Avient’s Polystrand™ materials to Avient Design experts and faculty members.  The initiative, sponsored by Avient Design, a highly specialized group of industrial designers and project engineers at Avient Corporation, began in September 2024, focusing on mentoring students in designing with Avient’s Polystrand™ thermoplastic composite materials, leading to the development of a range of innovative and practical product concepts. Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world’s strongest fiber™.

Chairman, President and Chief Executive Officer, represent the next steps in our specialty transformation that began over a decade ago. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

Avient has a broad portfolio of sustainable solutions that can help customers meet their innovation and sustainable goals through material science. Avient has a broad portfolio of sustainable solutions that can help customers meet their innovation and sustainable goals through material science. Material selection can be a balancing act between over-engineering or underperformance.

Ashish Khandpur, President and Chief Executive Officer of Avient Corporation. Consolidated sales expanded for the first time in seven quarters with contributions from both our Color, Additives and Inks, and Specialty Engineered Materials segments. Three Months Ended June 30, Six Months Ended June 30, 2024 2023 2024 2023 Sales: Color, Additives and Inks $ 542.0 $ 524.5 $ 1,057.3 $ 1,061.5 Specialty Engineered Materials 308.1 300.8 622.5 610.5 Corporate (0.4) (0.9) (1.1) (1.9) Sales $ 849.7 $ 824.4 $ 1,678.7 $ 1,670.1 Gross margin: Color, Additives and Inks $ 184.5 $ 164.1 $ 355.7 $ 326.1 Specialty Engineered Materials 94.7 91.5 201.7 185.4 Corporate (21.6) (14.9) (21.6) (23.2) Gross margin $ 257.6 $ 240.7 $ 535.8 $ 488.3 Selling and administrative expense: Color, Additives and Inks $ 98.4 $ 96.1 $ 194.8 $ 192.5 Specialty Engineered Materials 51.9 51.8 105.5 102.6 Corporate 34.8 30.5 69.0 73.8 Selling and administrative expense $ 185.1 $ 178.4 $ 369.3 $ 368.9 Operating income: Color, Additives and Inks $ 86.1 $ 68.0 $ 160.9 $ 133.6 Specialty Engineered Materials 42.8 39.7 96.2 82.8 Corporate (56.4) (45.4) (90.6) (97.0) Operating income $ 72.5 $ 62.3 $ 166.5 $ 119.4 Depreciation & amortization: Color, Additives and Inks $ 21.8 $ 25.7 $ 43.7 $ 51.5 Specialty Engineered Materials 20.8 19.9 40.4 41.1 Corporate 2.3 2.0 5.1 5.5 Depreciation & amortization $ 44.9 $ 47.6 $ 89.2 $ 98.1 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 107.9 $ 93.7 $ 204.6 $ 185.1 Specialty Engineered Materials 63.6 59.6 136.6 123.9 Corporate (54.1) (43.4) (85.5) (91.5) Other (expense) income, net (0.9) (0.2) (1.8) 0.5 EBITDA from continuing operations $ 116.5 $ 109.7 $ 253.9 $ 218.0 Special items, before tax 28.1 21.7 34.3 49.0 Interest expense included in special items (1.0) — (1.0) — Depreciation & amortization included in special items (0.3) (0.1) (0.8) (1.9) Adjusted EBITDA $ 143.3 $ 131.3 $ 286.4 $ 265.1 13 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.

Chairman, President, and Chief Executive Officer, Investor Relations Contact: Giuseppe (Joe) Di Salvo, Vice President, Treasurer and Investor Relations, Avient Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

This is to certify that the Quality Management System of: NEU Specialty Engineered Materials 15 Corporate Drive North Haven, CT 06473 U.S.A. ISO 13485:2016 The Quality Management System is applicable to: Certificate No: 54139 Certification Date: 04 September 2019 Effective Date: 29 August 2022 Expiration Date: 01 September 2025 Revision Date: 29 August 2022 Dominic Townsend, President This certificate may be found on the ABS QE Website (www.abs-qe.com).

This is to certify that the Quality Management System of: NEU Specialty Engineered Materials 15 Corporate Drive North Haven, CT 06473 U.S.A. ISO 9001:2015 The Quality Management System is applicable to: Certificate No: 47804 Certification Date: 07 January 2013 Effective Date: 17 December 2018 Expiration Date: 06 January 2022 Issue Date: 17 December 2018 Alex Weisselberg, President This certificate may be found on the ABS QE Website (www.abs-qe.com).