Page 93 2011 Highlights • Versus 2010, revenue growth of 9% drives 23% increase in adjusted operating income • Adjusted EPS expands 29% to all-time high of $1.02 Net Sales Adjusted Operating $1.02 Adjusted EPS $2,622 $2,643 $2,739 $2,061 $2,622 $2,864 Net Sales $88 $87 $72 $59 $147 $181 Adjusted Operating Income $0.12 $0.27 $0.21 $0.13 $0.79 $1.02 ($ millions) ($ millions) Page 94 2011 Highlights • Each platform contributed to our year over year operating income growth • Record OI achieved in Specialty and POD • Ten quarters of double-digit adjusted EPS expansion POD PP&SSpecialty Platform ROS%* 0.6% 1.5% 3.2% 4.3% 5.3% 8.4% 8.0% 2.9% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% 6.7% 5.5% 6.1% 3.1% 5.0% 7.0% 7.2% $20 $19 $22 $28 $25 $42 $56 O p e ra ti n g I n co m e POD $76 $64 $66 $31 $33 $54 $62 O p e ra ti n g In co m e PP&S $5 $13 $31 $46 $46 $87 $89 O p e ra ti n g I n co m e Specialty Platform *ROS% is defined as adjusted operating income % of revenue ($ millions) Page 95 2011 Highlights • Continued portfolio repositioning � Sale of SunBelt equity investment � Acquisition of specialty companies ColorMatrix and Uniplen • World-class working capital of 9.6% maintained while improving on-time delivery to 94%improving on-time delivery to 94% 81% 87% 88% 95% 93% 92% 94% 2005 2006 2007 2008 2009 2010 2011 14.3% 16.2% 14.4% 18.9% 11.7% 9.6% 9.6% 2005 2006 2007 2008 2009 2010 2011 On-Time Delivery Working Capital % of Sales Page 96 First Quarter 2012 Highlights • Revenues increased 9% over Q1 2011 to a new quarterly record • Adjusted EPS increased 12% $0.26 $0.29 Q1 2011 Q1 2012 Adjusted EPS • Adjusted EPS increased 12% over prior year • All platforms delivered double-digit operating income growth Q1 2011 Q1 2012 $25.2 $14.7 $29.1 $17.8 $16.7 Specialty PP&S POD Q1 2011 Q1 2012 Adjusted Operating Income $14.3 ($ millions) Page 97 • Total Debt at 3/31/12 Less: Cash Net Debt • Available Liquidity $706 186 $520 $300 $360 $250 $300 $350 $400 $450 Debt Maturities As of March 31, 2012 ($ millions) Debt Maturities & Liquidity Summary – 3/31/12 • Available Liquidity Cash ABL Availability Total Liquidity • Net Debt / EBITDA* = 1.9x $186 156 $342 *Adjusted EBITDA TTM Pro forma for ColorMatrix $50 $300 $0 $50 $100 $150 $200 $250 2015 2017 2020 Page 98 • Repurchased 6 million shares in 2011 Share Share RepurchaseRepurchase • Introduced a quarterly dividend in Q1 2011 and increased in Q1 DividendsDividends • Expanding our sales, marketing, and technical capabilities is top Organic Organic GrowthGrowth • Targets that expand our: • Specialty offering • End market presence AcquisitionsAcquisitions Use of Cash Current Cash Balance = $186M Net Debt / EBITDA* = 1.9X • 7.9 million shares remain available for repurchase under the current authorization increased in Q1 2012 • Objective of maintaining and growing capabilities is top priority • Investing in operational and LSS initiatives • CAPEX • End market presence • Geographic footprint • Synergy opportunities • Adjacent material solutions *Adjusted EBITDA TTM Pro forma for ColorMatrix Page 99 Page 100

Homepage // News Center // New ColorMatrix™ Optica™ Toners from Avient Correct Color, Enhance Performance in rPET To help combat these issues, Avient today announced the launch of ColorMatrix™ Optica™ PET blue toners and colorants, which enable enhanced recyclability of PET packaging. This can include yellowing and other color variations.

Wilflex™ Epic Color System PC Colorants Wilflex™ Color System Kits Color Cosmetics

Available in 10 different shades, ITOFIX EVO reactive dyes offer an innovative and eco-conscious alternative for the coloration of cellulosic fibers. The GRS-certified color and additive solutions contain a required percentage of pre-consumer or post-consumer recycled polyester primarily from recycled PET flakes. The site in Taiwan is in the process of including its color and additive solutions in the bluesign® FINDER.

Screen Printing Color Mixing Systems: Wilflex™ Achieve Pantone® colors simply and cost-effectively with our trusted color mixing systems

expanding the company's portfolio of specialty color, additives and inks solutions. is a trusted resource for dynamic and innovative industries where color serves as the ultimate expression of consumer preference," said This recent investment is a natural extension of all that we do in color – from

SUZHOU, China – June 1, 2023 – Today, Avient Corporation will exhibit its broad range of specialty and sustainable colorants and additives, thermoplastic elastomers, and high-temperature colorants for healthcare during Medtec China 2023, an annual global exhibition dedicated to the design and manufacturing of medical devices.  Mevopur™ Medical-Grade Colorants and Functional Polymer Solutions meet or exceed requirements for regulations such as USP Class VI, ISO10993, EP3.1, and USP661.1.  Colorant Chromatics™ Transcend™ Premier Healthcare Colorants are bright, high-temperature solutions offered in pre-colored formulations or color concentrates in vivid, opaque, and transparent colors.

We offer a wide variety of colorants and additives, engineered materials, thermoplastic elastomers, color forecasting guides, and expert services, that enable us to better support your success and drive the industry towards a more sustainable and circular economy." Additional highlights at the show include various high-temperature colorants and color services, such as: Colorant Chromatics™ Transcend™ Premier Healthcare Colorants: based on polysulfone and PEEK resins with the capability of withstanding up to 1,000 autoclave cycles and high-heat sterilization at 150°C, these colorants are formulated with ingredient materials that have been successfully tested for ISO 10993 biocompatibility and are available in a line of bright and vivid transparent or opaque shades

Avient’s new Colorant Chromatics™ PVDF Processing Aids are an excellent choice for wire & cable extrusion Our new Colorant Chromatics additives provide recognizable benefits during the PVDF extrusion process,” said Felipe Reichert, Global Marketing Director for Color, Additives, and Inks at Avient. Colorant Chromatics PVDF Processing Aids can be used for wire and cable, tube, pipe, and filament extrusion applications, among others.

Homepage // News Center // PolyOne Appoints Uniflon Performance Additives as a Colorant Chromatics Distributor in Brazil SÃO PAULO, Brazil – PolyOne Corporation today announced the appointment of Uniflon Performance Additives as distributor of its Colorant Chromatics high-temperature polymer formulation and colorant solutions in Brazil. Specialty colorants and formulations for a wide range of fluoropolymer and high-temperature applications