EPS: $2.50 Assumptions • Operating margins in mid-range of 2015 targets • No global recession • No investment in incremental PP&S capacity • Completion of 2-3 midsize accretive acquisitions • Housing starts at 85% of 50 year norm by 2015 • Mid single digit revenue CAGR • Remain comfortably below 3X Net Debt / EBITDA Page 11 2012 Rev: $2.9B Adj.

To any member of our group, which means our affiliates, including our parent company Avient Corporation and its subsidiaries.

Soft target of 60 - 90 days depending on complexity and risk. No greater than 30 days.

Upcoming Investor Day “Planning is underway for our investor day in New York City on December 9.

Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2030 SUSTAINABILITY TARGETS 20 2021 AVIENT INVESTOR DAY 21 • Investor Day to be held December 9, 2021 in New York, NY • Company will provide updates on its key growth drivers with a deep focus on sustainable solutions Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Healthcare 8–10% Composites / 5G 10% Growth in Asia / LATAM 5% Other (GDP growth) 2–3% Avient 6.5% • Senior leadership team to also present on Clariant MB integration, M&A opportunities and capital allocation priorities PEER COMPARISONS 22 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

Supporting Diversity and Inclusion — All associates are valued and encouraged to bring their true selves to work every day, and ensuring equal access and opportunity will contribute to our organization’s success. Design times can be less than three days for colorants.

Supporting Diversity and Inclusion — All associates are valued and encouraged to bring their true selves to work every day, and ensuring equal access and opportunity will contribute to our organization’s success. Design times can be less than three days for colorants.

Supporting Diversity and Inclusion — All associates are valued and encouraged to bring their true selves to work every day, and ensuring equal access and opportunity will contribute to our organization’s success. Design times can be less than three days for colorants.

Microsoft Word - AVNT-2024.06.30-News Release (for PR) 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2024 Results • Second quarter sales grew to $850 million, a 3% increase over the prior year quarter and a 5% organic increase when excluding the impact of foreign exchange • Second quarter GAAP EPS from continuing operations of $0.36 compared to $0.24 in the prior year quarter • Second quarter adjusted EPS of $0.76 exceeded guidance of $0.71 and increased 21% over prior year quarter, driven by organic revenue growth in all regions, favorable input costs and lower interest expense • Increasing 2024 full-year adjusted EPS guidance range to $2.55 to $2.70, from prior guidance of $2.50 to $2.65 given strong second quarter results; Revised guidance reflects 8% to 14% growth in adjusted EPS over the prior year • 2023 Sustainability Report published online, detailing progress toward 2030 Sustainability Goals and ESG performance ratings • Investor Day to be held December 4th in New York City to highlight the company strategy CLEVELAND – August 6, 2024 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable materials solutions, today announced its second quarter 2024 results. I look forward to sharing more details in our third quarter earnings call and at our upcoming investor day in New York City on December 4th." 3 Sustainability Report Release The company also announced the release of its latest Sustainability Report, now available at www.avient.com/sustainability.

• Your supervisor or any Avient manager • The Corporate Ethics Officer via email at ethics.officer@avient.com • Avient’s General Counsel via email at legal.officer@avient.com • Any member of the Legal department • The Avient Ethics Hotline Avient Ethics Hotline The Ethics Hotline is available globally in over 20 languages, 24 hours a day, 7 days a week, by phone and through a website.