ColorMatrix™ Optica™ Specialty Toners for PC is the cutting-edge liquid toner for polycarbonate resins that provides visual clarity for PC and improves aesthetics on the product surface. KEY CHARACTERISTICS • More accurate dosage on a small-scale leading to better color consistency • Better color dispersion in transparent PC resin compared to pigments, helping to retain transparent properties • Prevents contamination by keeping cleanliness in production lines often found with powders • Lower inventory, easier supply chain management • Better cost effectiveness with lower dosage • Prevents undesirable yellowness/greenness in PC chips • Supports sustainability through improved color and material changeover time • Liquid solution reduces dosage compared to alternatives PRODUCT BULLETIN www.avient.com Copyright © 2021, Avient Corporation.

KEY CHARACTERISTICS • Manufactured at four ISO 13485 certified sites, providing global consistency and increased security of supply • Documented change control beyond CAS number level, reducing risk of change • Non-phthalate and formulated without animal-derived substances • Different tones of amber available on request —more or less red or yellow and/or lighter or darker • Also available in liquid form REGULATORY SUPPORT • Pre-tested raw materials: - ISO 10993-1 and USP parts (Class VI) - European Pharmacopeia, monograph 3.1.15, USP and elemental analysis as per ICH Q3D - USP criteria appearance of solution, color • Registered Drug Master File (Type III) by the FDA • Food contact compliance established with FDA/EU* • YBB00102002-2015 (oral liquid pharmaceutical PET bottles) compliance support APPLICATION BULLETIN * FDA/EU compliance information available upon request Healthcare use limitations apply—see below.

The performance of both Cesa solid and Hiformer liquid additives is effective at low concentrations in eliminating melt fracture (shark skin) and die buildup (die drool). KEY CHARACTERISTICS • Reduces melt fracture leading to fast time to clear • Reduces die buildup • Improves process efficiency • Retains ability to seal and print • Available in both solid and liquid • Offers low concentration efficiency • Reduces power requirements • Does not interact with other additives APPLICATIONS • Blown film • Profile extrusion • Tubing and pipe extrusion • Wire and cable applications • Extruded sheet • Applications in both virgin resin and PCR Copyright © 2024, Avient Corporation.

DISSOLUTION ET LIQUIDATION. LIQUIDATION En cas de dissolution de la société, la liquidation s'opère par les soins du conseil d'administration en fonction à cette époque agissant en qualité de Comité de Liquidation. ASSEMBLEES DE LIQUIDATION.

ColorMatrix™ Excelite™ Foaming Agents High performance liquid foaming additives for extrusion applications PRODUCT DESCRIPTION Excelite™ high performance liquid foaming additives are specifically designed for vinyl, polyethylene and polystyrene foaming applications. HOW IT WORKS Excelite additives typically contain 70%wt of active chemical foaming agent (CFA), dispersed in a liquid carrier, thus promoting greater product efficiency.

COLORMATRIX™ SMARTHEAT™ RHC Process Aid for rPET and PET bottles SmartHeat RHC User • Convertors • rPET producers Application • Colorless Product Options • Liquid dispersion • Clear/Colorless Recycling • Recycle friendly • APR accredited • EPBP approved PRODUCT RANGE ColorMatrix™ SmartHeat™ RHC is an APR accredited and EPBP approved, patent protected, bottle blowing liquid dispersion process aid. They are metered into the PET stream just above the feed throat of the injection molding machine or extruder, using a Avient supplied ColorMatrix liquid metering system.

• Factors that could cause actual results to differ materially from those implied by these forward looking statements include but are not limited to:• Factors that could cause actual results to differ materially from those implied by these forward‐looking statements include, but are not limited to:  Our ability to achieve the strategic and other objectives relating to the Spartech acquisition, including any expected synergies; our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The amount and timing of repurchases, if any, of PolyOne common shares and our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;g p y p g ;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;, , p y p y g , y p p ;  An inability to maintain appropriate relations with unions and employees; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. • The above list of factors is not exhaustive. • We undertake no obligation to publicly update forward‐looking statements, whether as a result of new information, future events or otherwise. EPS: $1.20 Proforma Debt Maturities & Liquidity Summary – 12/31/12 (Reflecting Financing & Spartech Acquisition) • Total Debt at 12/31/12 h $1,010 $297 $360 $300 $400 Debt Maturities As of December 31, 2012 ($ millions) Less: Cash Net Debt 213 $797 $50 $297 $100 $200 • Available Liquidity Cash $213 $800 Debt Maturities As of December 31, 2012 P f f 2/13 Fi i $50 $0 2015 2017 2020 Interest Rates: 7.500% 5.000% 7.375% Cash ABL Availability Total Liquidity $213 271 $484 $600 $400 $600 Proforma for 2/13 Financing ($ millions) Total Liquidity • Net Debt / EBITDA = 2.0x* $484 $50 $360 $0 $200 • Net Debt / EBITDA = 2.35x** $50$0 2015 2020 2023 Page 14 Interest Rates: 7.500% 7.375% 5.250% *Assumes $65 million of synergies related to Spartech acquistion **Assumes no synergies related to Spartech acquistion Use of Cash Share DividendsOrganic G Acquisitions • Repurchased 1 2 Repurchase • Introduced a Dividends • Expanding our Growth T t th t d Acquisitions • Repurchased 1.2 million shares in 2012 • 20.0 million shares are il bl f • Introduced a quarterly dividend in Q1 2011 and increased in Q1 2012 (25%) and Q1 2013 (20%) • Expanding our sales, marketing, and technical capabilities is top priority • Investing in • Targets that expand our: • Specialty offering • End market presence • Geographic footprint available for repurchase under the current authorization Q1 2013 (20%) • Objective of maintaining and growing Investing in operational and LSS initiatives (including synergy capture) • CAPEX • Synergy opportunities • Adjacent material solutions Proforma Cash Balance = $213M N t D bt / EBITDA* 2 0X CAPEX Net Debt / EBITDA* = 2.0X *Adjusted EBITDA assumes synergies related to the Spartech acquisition are realized at close; preliminary synergies estimated at $65M and are expected to be achieved over a 3-year period Page 15 Why Invest In PolyOne?

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