MATERIAL SOLUTION DESCRIPTION KEY CHARACTERISTICS POTENTIAL APPLICATIONS Hammerhead™ FR Flame Retardant Composite Panels Industry-first flame retardant thermoplastic composite panels that meet ASTM E84 Class A standards for flame spread and smoke developed and configurations available to meet NFPA 286 corner room burn testing • Excellent flame performance • Moisture, UV, corrosion, impact, and rot resistant • Lightweight structural integrity • Reduce labor cost and time • Interior Wall, Floor & Ceiling Panel Systems • Garage Doors • Interior & Entry Doors • Exterior Sheathing • Siding & Cladding • Kitchen Cabinetry Hammerhead™ and Polystrand™ Composite Panels Thermoplastic composite panels constructed with Polystrand™ continuous fiber laminates thermally bonded to thermoplastic foam or honeycomb cores • Moisture, UV, corrosion, impact, and rot resistant • Lightweight structural integrity • Reduce labor cost and time • Garage Doors • Interior Entry Doors • Interior Wall, Floor & Ceiling Panel Systems • Exterior Sheathing • Siding & Cladding • Kitchen Cabinetry Polystrand™ Continuous Fiber Tapes & Laminates High strength unidirectional (UD) glass fibers combined with thermoplastic resins available in unidirectional tapes or multi-ply laminates • High strength and stiffness • Enables impact resistance • Formulations available to meet ASTM E84 Class A and Class B flame/smoke rating • Composite Deckng • Interior & Entry Doors • Roofing Systems GlasArmor™ Ballistic Resistant Panels Ballistic protection constructed from layers of 0°/90° woven E-glass fiber reinforcements with a proprietary thermoset resin system • UL 752 Level 1–3 compliant • Less than 25% the weight of comparable steel panel • 1-hr fire rating per ASTM E119* • Safe/Panic Rooms • Garage Doors • Interior & Entry Doors ThermoBallistic™ Thermoplastic Panels Industry-first thermoplastic ballistic resistant panels thermally formed with layers of 0°/90° UD E-glass fiber reinforcements and polyolefin-based resin systems • UL 752 Level 3 compliant • Extremely lightweight • Moisture, UV, and corrosion resistant • Safe/Panic Rooms • Garage Doors • Interior & Entry Doors * UL Level 3 panel was fire tested as part of a wall system with steel studs and drywall facesheet

Our range of world-class services includes: Color Technology: Custom color design, saturated colors, and special effects to fill market niches and eliminate secondary operations Color & Design Services: Trend and color insights, and product development assistance to optimize design and gain speed to market, include collaborative workshops at our ColorWorks™ Design & Technology centers Regulatory Coordination: Aid with new product approvals to reduce regulatory overhead and minimize risk Field Technical Service: Support for tool design, startup and production optimization to gain manufacturing efficiencies Sustainability: Innovative materials and solutions to help you meet your sustainability goals

Platform operating income mix percentage 2005Y 2008Y 2011Y Global Specialty Engineered Materials $ 0.4 $ 17.6 $ 45.9 Global Color, Additives and Inks 4.3 28.1 43.4 Specialty Platform $ 4.7 $ 45.7 $ 89.3 Performance Products and Solutions 75.7 31.3 62.4 Distribution 19.5 28.1 56.0 SunBelt Joint Venture 91.9 28.6 5.0 Corporate (51.5) (425.1) 20.3 Operating income (loss) GAAP $ 140.3 $ (291.4) $ 233.0 Less: Corporate operating expense (income) 51.5 425.1 (20.3) Operating income excluding Corporate $ 191.8 $ 133.7 $ 212.7 Specialty platform operating mix percentage 2% 34% 42% Pro forma platform operating income mix percentage 2007 Pro forma 2011Y Specialty Platform $ 30.6 $ 89.3 Pro forma ColorMatrix - 27.7 Specialty Platform pro forma ColorMatrix $ 30.6 $ 117.0 Performance Products and Solutions 65.8 62.4 Distribution 22.1 56.0 SunBelt Joint Venture 34.8 5.0 Corporate (73.3) 20.3 Operating income pro forma ColorMatrix $ 80.0 $ 260.7 Less: Corporate and SunBelt operating income 73.3 (25.3) Operating income excluding Corporate operating income $ 153.3 $ 235.4 Specialty platform operating mix percentage 20% 50% Adjusted EPS 2006Y 2007Y 2008Y 2009Y 2010Y 2011Y Net Income $ 130.9 $ 40.9 $ (417.0) $ 106.7 $ 162.6 $ 172.6 SunBelt and OxyVinyls equity earnings, after tax (68.5) (26.1) (20.8) (19.0) (14.7) (3.7) Special items, after tax (21.2) 41.4 310.0 (31.0) 15.8 (30.5) Tax adjustments (30.0) (30.7) 147.2 (44.9) (88.3) (42.3) Adjusted net income $ 11.2 $ 25.5 $ 19.4 $ 11.8 $ 75.4 $ 96.1 Diluted shares 92.8 93.1 92.7 93.4 96.0 94.3 Adjusted EPS $ 0.12 $ 0.27 $ 0.21 $ 0.13 $ 0.79 $ 1.02 Adjusted EPS Q1 2011 Q1 2012 Net Income $ 110.2 $ 20.2 SunBelt equity earnings, after tax (3.7) - Special items, after tax (79.8) 6.1 Tax adjustments (1.5) 0.1 Adjusted net income $ 25.2 $ 26.4 Diluted shares 96.4 90.7 Adjusted EPS $ 0.26 $ 0.29 Platform sales and operating income (OI) 2005 2006 2007 2008 2009 2010 2011 Global Specialty Engineered Materials Sales $ 282.5 $ 345.3 $ 384.4 $ 514.0 $ 402.9 $ 517.4 $ 575.1 Global Color, Additives and Inks Sales 503.7 531.8 560.5 554.3 459.8 527.4 544.6 Specialty Platform Sales $ 786.2 $ 877.1 $ 944.9 $ 1,068.3 $ 862.7 $ 1,044.8 $ 1,119.7 Performance Products and Solutions Sales 1,136.3 1,166.2 1,086.8 1,001.4 667.7 776.3 865.4 PolyOne Distribution Sales 679.2 732.8 744.3 796.7 625.1 911.9 996.5 Corporate and Eliminations (151.1) (153.7) (133.3) (127.7) (94.8) (111.1) (118.1) Total Sales $ 2,450.6 $ 2,622.4 $ 2,642.7 $ 2,738.7 $ 2,060.7 $ 2,621.9 $ 2,863.5 Pro forma ColorMatrix Sales 196.0 Total sales pro forma ColorMatrix $ 3,059.5 Global Specialty Engineered Materials OI $ 0.4 $ 3.9 $ 4.9 $ 17.6 $ 20.6 $ 49.7 $ 45.9 Global Color, Additives and Inks OI 4.3 8.9 25.7 28.1 25.2 37.7 43.4 Specialty Platform OI $ 4.7 $ 12.8 $ 30.6 $ 45.7 $ 45.8 $ 87.4 $ 89.3 Performance Products and Solutions OI 75.7 64.2 65.8 31.3 33.1 54.0 62.4 PolyOne Distribution OI 19.5 19.2 22.1 28.1 24.8 42.0 56.0 Sunbelt Joint Venture OI 91.9 102.9 34.8 28.6 25.5 18.9 5.0 Corporate and eliminations (21.8) (4.6) (25.5) (28.9) (40.8) (32.5) (26.4) Special items (29.7) 39.1 (47.8) (396.2) 48.7 4.8 46.7 Operating income (loss) GAAP $ 140.3 $ 233.6 $ 80.0 $ (291.4) $ 137.1 $ 174.6 $ 233.0 Sunbelt equity income (72.5) (107.0) (40.8) (32.5) (29.7) (23.1) (5.7) Special items 29.7 (39.1) 47.8 396.2 (48.7) (4.8) (46.7) Operating income adjusted $ 97.5 $ 87.5 $ 87.0 $ 72.3 $ 58.7 $ 146.7 $ 180.6 Operating income pro forma ColorMatrix 27.7 Operating income adjusted pro forma ColorMatrix $ 208.3 Global Specialty Engineered Materials - OI as a percentage of sales 0.1% 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% Global Color, Additives and Inks - OI as a percentage of sales 0.9% 1.7% 4.6% 5.1% 5.5% 7.1% 8.0% Specialty platform OI as a percentage of sales 0.6% 1.5% 3.2% 4.3% 5.3% 8.4% 8.0% Specialty platform OI as a percentage of sales - pro forma ColorMatrix 8.9% Global Color, Additives and Inks OI as a percentage of sales – pro forma ColorMatrix 9.6% PP&S operating OI as a percentage of sales 6.7% 5.5% 6.1% 3.1% 5.0% 7.0% 7.2% Distribution OI as a percentage of sales 2.9% 2.6% 3.0% 3.5% 4.0% 4.6% 5.6% PolyOne OI adjusted, as a percentage of sales 4.0% 3.3% 3.3% 2.6% 2.8% 5.6% 6.3% PolyOne OI adjusted, pro forma for ColorMatrix, as a percent of sales 6.8% Operating income (OI) Q1 2011 Q1 2012 Global Specialty Engineered Materials OI $ 14.0 $ 11.8 Global Color, Additives and Inks OI 11.2 17.3 Specialty Platform OI $ 25.2 $ 29.1 Performance Products and Solutions OI 14.3 17.8 PolyOne Distribution OI 14.7 16.7 Corporate and eliminations (1.6) (10.2) Special items 127.2 (8.5) Operating income (loss) GAAP $ 179.8 $ 44.9 Research and Development (R&D) – Pro forma ColorMatrix 2011 PolyOne R&D $ 36.9 ColorMatrix R&D 3.6 Pro forma R&D $ 40.5 Gross Margin as a percentage of Sales 2006 2011 2011 Pro forma ColorMatrix Specialty platform sales $ 877.1 $ 1,119.7 $ 1,315.7 Specialty platform gross margin 125.2 263.4 345.9 Specialty platform gross margin percentage 14.3 % 23.5 % 26.3 % Average Debt Q4 2010 Q1 2011 Q2 2011 Q3 2011 Q4 2011 Average PolyOne Debt $ 452.9 $ 432.9 $ 432.9 $ 432.9 $ 707.0 n/a Pro forma ColorMatrix 274.1 274.1 274.1 274.1 - n/a Total Debt $ 727.0 $ 707.0 $ 707.0 $ 707.0 $ 707.0 $ 711.0 Average Equity Q4 2010 Q1 2011 Q2 2011 Q3 2011 Q4 2011 Average PolyOne $ 516.0 $ 615.2 $ 629.6 $ 608.5 $ 588.3 $ 591.5

TECHNICAL BULLETIN VERSAFLEX™ PF Tack Layer for Surface Protective Films Properties Versaflex PF MD6727 Versaflex PF MD6741 Versaflex PF MD6649 Versaflex PF 9512 Versaflex PF MD6666 Versaflex PF MD6748 Versaflex PF MD6700 Features Low Tack Low Tack; Used for tailoring tack with MD6700 Low-Medium Tack Value Offering Medium Tack Low Gel/Residuals Low Tack Build High Tack Peel Strength Low Low-Medium Medium Medium-High Medium-High High High Applications Optical Films Home Appliances Plastics Construction/Bare Metals Finished Metals Steel/Painted Metals Bare Metals MFR @ 190°C/2.16 kg -- 4.5 17 5.4 21 4.8 6.5 MFR @ 230°C/2.16 kg 10 20 -- -- -- -- -- Specific Gravity, g/cc 0.92 0.91 0.92 0.92 0.94 0.94 0.94 Hardness, Shore A 50 49 37 38 37 31 30 G' @ 23°C, Pa 28.0 x 105 10.4 x 106 8.3 x 105 -- 9.9 x 105 11.8 x 105 10.0 x 105 DMA Tg, °C -29 -30 -9 10 11 15 21 LDPE/Versaflex PF Film1 180° Peel, N/25mm Stainless Steel after 20 min @ 25°C 0.5 2.2 3.2 6.1 6.7 8.5 8.6 after 7 days @ 25°C 0.6 2.7 4.3 5.5 8.2 8.3 10.3 PMMA2 after 20 min @ 25°C 1.1 1.7 3.8 4.9 6.9 8.3 8.8 after 20 min @ 75°C 2.8 4.1 5.1 6.9 9.0 10.7 11.8 after 7 days @ 75°C 4.0 4.4 5.9 9.8 8.4 9.8 10.3 Polycarbonate3 after 20 min @ 25°C 1.4 2.2 3.8 6.8 6.3 8.4 7.0 after 20 min @ 75°C 3.4 4.8 6.7 8.8 8.8 10.0 11.8 after 7 days @ 75°C 4.6 6.5 7.5 10.6 11.6 10.6 13.8 1 Film thickness: 51 micron LDPE/25 micron Versaflex PF 2 Arkema Plexiglas™ V052-100 (Plexiglas is a trademark of Arkema France Corp.) 3 Sabic Lexan™ L52-111 (Lexan is a trademark of Sabic Innovative Plastics) PHYSICAL PROPERTIES OF SELECTED VERSAFLEX PF TACK LAYER FORMULATIONS PRODUCT DESCRIPTION Versaflex™ PF formulations are specially developed for the manufacture of co-extruded surface protective films that apply easily, maintain tack with minimal build, peel smoothly and remove completely with little-to-no residue or ghosting.

Fast, accurate and reliable results aid medical professionals to understand the illness and develop the strategy for an effective treatment.

With a focus upon sustainability Avient has focused its additive technology development on mono-layer PET.

By meeting stringent USP Class VI biocompatibility standards, Stan-Tone HC Plus offers pre-tested solutions that speed up development time, decrease risk, and satisfy healthcare industry material requirements.

With high speed wet-on-wet printing and the capability to cure at low to standard temperatures, Wilflec Epic Rio RFU colors are developed to improve productivity and reduce cost.

Fan Gate This is basically a wide edge gate, and is used when it is difficult to develop a flow front when entering the part. Acknowledgments Avient would like to acknowledge the gracious input provided by the faculty of the Behrend Plastics Engineering Technology program at Penn State University. Their help has been invaluable in the development of this guide. 1.844.4AVIENT www.avient.com Copyright © 2020, Avient Corporation.

Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources 65536-21623Certificate No: Page 4 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - Guangzhou, China 2#, Nanyunsan Rd, Huangpu District, Science City Guangzhou Hi-Tech Industrial Development Zone Guangzhou, Guangdong Province 510663 People's Republic of China Design and Manufacture of Colorants and Additives for Plastics 65536-116865Certificate No: Page 14 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.