Our newest Employee Resource Group is SERVE (which stands for Sustaining Engagement for Returning Veteran Employees). By 2030, Avient will obtain directly or contract for 60% of its electricity demand from renewable sources and achieve 100% renewable energy by 2050. In reviewing competitive market data for 2022, we drew from two independent sources.

Domestic: 1-844-835-7433 Domestic: 1-855-859-2056 SOURCE

Domestic: 1-844-835-7433 Domestic: 1-855-859-2056 SOURCE

The Board may modify the Guidelines from time to time and may make exceptions to them. 1. The effectiveness and contributions of individual directors are also evaluated and are considered each time a director stands for re-nomination. March 6, 2024 Avient Corporation Corporate Governance Guidelines 1.

PC PUMP RATE (cc/rev) 0.09 0.28 0.87 2.6 5.2 RECOMMENDED OUTPUT RANGE (g/min) 0.9–9 2.8–28 8.7–87 26–260 53–520 MAX PUMP OUTPUT (g/min) 18 56 174 520 1040 OPTION VS.

PC PUMP RATE (cc/rev) 0.09 0.28 0.87 2.6 5.2 RECOMMENDED OUTPUT RANGE (g/min) 0.9–9 2.8–28 8.7–87 26–260 53–520 MAX PUMP OUTPUT (g/min) 18 56 174 520 1040 Avient can provide support and assistance on every aspect of liquid color and additive processing.

McAlindon (24) Page 24 Award-Winning Marketing Campaign Page 25 2012 Range Rover Evoque Interior • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Page 26 KOR Delta Hydration Vessel • Specialty TPE formulation overcame performance issues • Eliminated secondary assembly process for increased operational efficiency Interior seal Flip-top seal Bottom ring Page 27 Friedrich Kühl® Decorative Air Conditioner Housing • Replaced painted ABS housing with Geon™ solution • Reduced operating noise • Simplified manufacturing footprint to drive significant cost savings Page 28 • Focused on markets with high growth and profit potential • Leveraging our in-depth knowledge of formulation Focused Efforts in Attractive Industry Segments $113 $260 Healthcare and processing to develop market driven solutions • Aligning resources across the organization to drive growth in target markets $152 $228 2006 2011 Sustainable Solutions (Revenue in $ millions) 2006 2011 2006 2011 2006 2011 Page 29 • Design service collaboration • Doubled productivity and improved yield rates • Substantial reduction in overall manufacturing costs Pulmonary Device Page 30 Innovating for the future… Rejuvenate a mature industry with new products and processes Products designed for “next life” instead of “end life” Plastics: Key to Future Sustainable Development …Making a difference today!

VALUE SOLUTION Colorful polymer packaging is widely used in the beverage and personal care sectors to make products stand out on shelves. They want their products to win share in high-volume consumer markets by standing out at point-of-sale.

COMPOSITE TRIPOD STANDS OUT FROM THE CROWD INNOVATIVE, ROLLABLE TRIPOD DESIGN GAINS STRENGTH AND DURABILITY FROM COMPOSITES © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about the Polystrand thermoplastic composites that made the Revolve tripod possible, visit www.avient.com/composites. After successful prototyping and testing, the Revolve tripod could stand on its own in the marketplace.

VERSAFLEX™ HC MEDICAL TUBING GRADES • Improve extrusion rates, achieve high service temperature performance or increase clarity in medical tubing • Traditional and bio- based formulations specifically for biopharmaceutical tubing to meet the needs for weldability and minimize extractables during processing VERSALLOY™ HC SERIES • Obtain better flow in long, thin paths and lower shrink rates versus typical TPVs with our alloys • Color easily and obtain a smooth tactile feel VERSAFLEX™ HC GASKETS & STOPPERS SERIES • Achieve no coring, good puncture and resealability in static stoppers • Meet low COF and low stiction requirements in dynamic seals VERSAFLEX™ CL E SERIES • Increase clarity and flexibility in bags, bottles and films • Mitigate risk with plasticizer-free formulations for film extrusion • Deliver excellent odor & O2 barrier performance for film extrusion INDUSTRY BULLETIN TPE HEALTHCARE PRODUCT SELECTOR GUIDE Versaflex™ HC Medical Tubing Grades Versaflex™ HC MT222 Clear 66A 0.88 14 - 334 2.30 629 4.34 898 6.19 430 220 36 ✔ ✔ High clarity, without plasticizersVersaflex™ HC MT224 Clear 75A 0.89 19 - 468 3.23 773 5.33 1360 9.40 530 321 56 ✔ ✔ Versaflex™ HC MT226 Clear 84A 0.88 20 - 606 4.17 885 6.10 1600 11.00 600 433 76 ✔ ✔ Versaflex™ HC MT317 Clear 68A 0.89 17 69 450 3.10 660 4.55 870 6.00 470 221 39 ✔ ✔ Very high service temperature Versaflex™ HC BT218 Natural 67A 0.89 19 69 381 2.60 683 4.70 1186 8.20 608 - - ✔ ✔ Weldable, kink resistant Versalfex™ HC BIO BT218 Natural 70A 0.88 18 58 416 2.87 668 4.60 1190 8.20 630 - - ✔ ✔ Weldable, kink resistant, contains 40% bio-derived content (Gen 1 biomass) Versaflex™ HC Gaskets & Stoppers Series Versaflex™ HC 2110-35N Natural 34A 0.90 19 47 145 1.00 261 1.80 400 2.76 620 97 17 ✔ ✔ Good resealing Versaflex™ HC 2110-43N Natural 43A 0.98 12 46 134 0.92 368 2.54 723 4.98 710 - - ✔ ✔ Good compression set Versaflex™ HC 2110-57B Black 59A 1.01 20 37 369 2.54 558 3.85 537 3.70 350 147 26 ✔ ✔ Low stiction Versaflex™ CL E Series Versaflex™ CL E85 Clear 84A 0.90 20 72 752 5.18 1160 8.00 1550 10.70 450 433 76 ✔ ✔ High clarity, without plasticizers; E95 also offers excellent odor & O2 barrier Versaflex™ CL E90 Clear 90A 0.90 27 73 1000 6.89 1230 8.50 1830 12.60 57 - - ✔ ✔ Versaflex™ CL E95 Clear 95A 0.90 38 71 1680 11.60 1730 11.90 2500 17.20 580 720 126 ✔ ✔ Versaflex™ HC 3810 Series Versaflex™ HC 3810-20N Natural 20A 0.88 16 54 123 0.80 185 1.30 342 2.40 650 - - ✔ - Formulated without animal derivatives, excellent colorability, translucent Versaflex™ HC 3810-30N Natural 30A 0.89 18 58 170 1.20 245 1.70 459 3.20 680 - - ✔ - Versaflex™ HC 3810-40N Natural 40A 0.88 19 59 191 1.30 275 1.90 506 3.50 670 - - ✔ - Versaflex™ HC 3810-50N Natural 50A 0.89 21 61 264 1.80 366 2.50 699 4.80 690 - - ✔ - Versaflex™ HC 3810-60N Natural 60A 0.88 24 65 459 3.20 594 4.10 790 5.40 510 - - ✔ - Versaflex™ HC 3810-70N Natural 70A 0.88 28 67 535 3.70 684 4.70 1000 6.90 570 - - ✔ - Versaflex™ HC 3810-80N Natural 80A 0.88 30 67 689 4.80 869 6.00 1390 9.60 620 - - ✔ - Versaflex™ HC 3810-90N Natural 90A 0.88 27 89 1087 7.50 1350 9.30 1890 13.00 570 - - ✔ - Versalloy™ HC 9210 Series Versalloy™ HC 9210-45N Natural 45A 0.89 19 39 160 1.10 320 2.20 484 3.33 480 100 18 - ✔ Smooth surface aestheticsVersalloy™ HC 9210-55N Natural 53A 0.89 20 44 208 1.44 335 2.31 580 4.00 610 120 21 - ✔ Versalloy™ HC 9210-70N Natural 70A 0.89 23 53 356 2.45 510 3.52 780 5.38 590 180 32 - ✔ Versalloy™ HC 9220 Series Versalloy™ HC 9220-70 Natural 70A 0.95 17 51 453 3.12 - - 643 4.43 265 208 36 ✔ ✔ ExtrudableVersalloy™ HC 9220-80 Natural 80A 0.94 18 59 553 3.67 777 5.36 945 6.52 415 208 36 ✔ ✔ Versalloy™ HC 9220-90 Natural 90A 0.94 25 55 1030 8.13 1350 9.33 1945 13.45 620 400 70 ✔ ✔ Standard Healthcare Grades Versaflex™ G2705N Natural 60A 0.88 - - - - 528 3.64 670 4.62 470 - - ✔ ✔ Natural, high strength Versaflex™ CL 2242 Clear 43A 0.89 23 - 152 1.05 294 2.02 731 5.00 780 124 22 ✔ ✔ High clarity, boilable Versaflex™ CL 2250 Clear 50A 0.89 20 - 220 1.52 337 2.32 827 5.70 770 140 25 ✔ ✔ Versaflex™ OM Series Versaflex™ OM 1040X Natural 42A 0.92 22 - 180 1.24 301 2.08 504 3.47 580 100 18 ✔ ✔ ABS/PC overmoldVersaflex™ OM 3060 Clear 59A 0.90 33 - 420 2.90 360 2.48 500 3.45 480 180 32 ✔ ✔ Versaflex™ OM 8940X-1 Clear 42A 0.91 - - 233 - 311 - 1573 - 1059 - - - - PK, COPE overmold Versaflex™ OM 4052 Natural 56A 1.01 27 - 271 - 557 - 1680 - 670 - - ✔ - Excellent chemical resistance; PK, PC, ABS, PC/ABS overmoldVersaflex™ OM 4063 Natural 54A 1.12 30 - 365 - 580 - 1640 - 670 - - ✔ - Color Hardness Specific Gravity Compression Set @ 23°C Compression Set @ 100°C 100% Modulus 300% Modulus Tensile Strength Elongation Tear Strength ISO 10993 USP VI Special Characteristics ASTM Shore A ASTM/ISO ASTM % ASTM % ASTM psi MPa ASTM psi MPa ASTM psi ISO MPa ASTM % ASTM pll ISO kN/m GENERAL PROPERTIES TENSILE PROPERTIES OTHER For further information on specific grades, review technical data sheets.