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. Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Avient pro forma reflects 2022 estimated EBITDA of $660M and revenue of $3,740M.

Combined with $54 million in realized synergies from the Clariant Color integration, the segment expanded income to over $300 million for the first time ever; and • Our Distribution business achieved significant revenue growth of 47% and operating income expansion of 33%, despite material and pricing pressures throughout the global supply chain Nicolasʼ experience as Chief Supply Chain Officer at a large industrial company provides valuable insights into issues impacting our integrated supply chain. Nicolas has a deep understanding of supply chain planning, strategic sourcing, manufacturing operations, logistics, customer care, and enterprise quality, and we believe that this can assist Avientʼs supply chain leadership.

A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains chose Avient to enhance the performance of their toothbrushes. In a relatively short time, the Avient team was able to formulate additives that performed well at lower let-down ratios. Cesa WithStand additives provided a low let-down ratio that resulted in a 30% cost savings per year.

A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains chose Avient to enhance the performance of their toothbrushes. In a relatively short time, the Avient team was able to formulate additives that performed well at lower let-down ratios. Cesa WithStand additives provided a low let-down ratio that resulted in a 30% cost savings per year.

Attachment 1 Special items (1) Avient Announces Quarterly Dividend...

CLEVELAND – June 15, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced expansion of its portfolio of Complēt™ REC long fiber reinforced composites using recycled resin. When used in metal replacement applications, they can help customers achieve significant weight reductions along with the time and cost-saving benefits of single-step injection molding fabrication. Avient Announces Quarterly Dividend...

Kahler (16) Page 16 • Shifted sales compensation practices to drive value and margin expansion • Significantly upgraded and added sales, marketing, and From Volume to Value $2,622 $3,060 Sales ($ millions) 2006 2011PFadded sales, marketing, and technical resources • Expanded global cross-selling • Invested in training and tools 3.3% 6.8% Adjusted OI% ($ millions) 2006 2011PF 2006 2011PF Page 17 • Value pricing practices enabled by use of EVE tools • Shifting the basis of competition to specialization 1.5% 8.9% Specialty OI% Specialization Drives Margin Expansion 2006 2011PF 7.2% PPS OI% competition to specialization differentiates PolyOne as a value-added solutions provider • Redirecting our technology and marketing focus to the most attractive segments 2.6% 5.6% 2006 2011 POD OI% 5.5% 7.2% 2006 2011 2006 2011 2006 2011 Page 18 • Global key account management team focused on key markets and strategic OEMs • Drive growth in target markets through application development750 1,120 Total Commercial Employees 2007 – 2011 49% Increase Commercial Excellence – Recent Investments *Includes ColorMatrix through application development • Leverage breadth of solutions across all PolyOne platforms to identify innovative solutions for strategic OEMs and Tier 1 partners * 750 2007 2011 Sales Marketing R&D/Tech Page 19 5% 1% 0% 27% 2% 12% 4% Performance Dashboards Drive Execution 45% 26% 18% 5% 55% Page 20 53% Drivers of Customer Loyalty Customer Experience is Key to Customer Loyalty 53% Building Customer Loyalty n = 4,960 B2B customers of 24 companies Source: Corporate Executive Board Company and Brand Impact Product and Service Delivery Value-to- Price Ratio Customer Experience Page 21 • Continue to redirect our focus to more attractive segments and increase customer loyalty and retention • Leverage new commercial tools and investments to enable disciplined execution and accountability Critical Imperatives to enable disciplined execution and accountability • Position PolyOne as the differentiated value-added specialty solutions provider Drive improved mix in all segments and achieve margin and profitability growth Page 22 Page 23

A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains chose Avient to enhance the performance of their toothbrushes. In a relatively short time, the Avient team was able to formulate additives that performed well at lower let-down ratios. Cesa WithStand additives provided a low let-down ratio that resulted in a 30% cost savings per year.

A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains chose Avient to enhance the performance of their toothbrushes. In a relatively short time, the Avient team was able to formulate additives that performed well at lower let-down ratios. Cesa WithStand additives provided a low let-down ratio that resulted in a 30% cost savings per year.

A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains chose Avient to enhance the performance of their toothbrushes. In a relatively short time, the Avient team was able to formulate additives that performed well at lower let-down ratios. Cesa WithStand additives provided a low let-down ratio that resulted in a 30% cost savings per year.