– April 11, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, will exhibit in person this week at Medical Design & Manufacturing (MD&M) West and highlight several technologies, including the recently launched Colorant Chromatics™ Transcend™ premier healthcare colorants and the online platform called Avient Now.   Avient Now is an online platform that provides customers 24/7 access to product and order information – all in one place. To access Avient’s news library online, please visit www.avient.com/news.

New “Avient Now” Online Platform Brings Increased Convenience, 24/7 Access for Distribution Customers A new online platform dedicated to bringing customers the

We know our customers are always looking to online sources to do their jobs better, find solutions faster, and stay on top of what’s next in their industry,” said Cathy K. To access PolyOne’s news library online, please go to www.polyone.com/news.

Avient also established in 2022 the cost of carbon at 54.58 per ton CO2 to encourage investments in low-carbon and carbon-free technologies. Furthermore, Avient also established the cost of carbon at 54.58 per ton CO2 to encourage investments in low-carbon and carbon-free technologies. Avient also established the cost of carbon at 56.76 per ton CO2 to encourage investments in low-carbon and carbon-free technologies.

Thanks to robust online and retail sales, WO Design has been able to fund 1,000 school lunches in the first three months of its program. To access PolyOne’s news library online, please go to www.polyone.com/news.

The online publication is available at www.avient.com/sustainability. news library online, please visit www.avient.com/news.

Fluide focuses on the preference to express oneself freely, exploring the ever-evolving nature of a digital culture that supports shifting personas, beliefs, and ways of being as they move about freely online. To access PolyOne’s news library online, please go to www.polyone.com/news

Strong balance sheet and free cash flow, as total cash and liquidity ended the year at $244 million and $574 million, respectively. To be considered independent, the Board, with input and a recommendation from the Nominating and Governance Committee, must affirmatively determine that a given Director is free from any business, family or other relationship that would reasonably be expected to interfere with the exercise of independent judgment as a Director.

Color, Additives & Inks and Specialty Engineered Materials delivered record operating margins of 16.7% and 14.7% respectively in 2015 ● Increased our dividend 20% to $0.12 per quarter, representing the fifth consecutive year of increases and a 200% increase from when we initiated quarterly dividends in 2011 ● Year-end Operating Income and Adjusted Operating Income increased to $251 million and $322 million, respectively, up from $155 million and $320 million, respectively, in 2014 ● Strong balance sheet and free cash flow, as total cash and liquidity ended the year at $280 million and $622 million, respectively. To be considered independent, the Board, with input and a recommendation from the Nominating and Governance Committee, must affirmatively determine that a given director is free from any business, family or other relationship that would reasonably be expected to interfere with the exercise of independent judgment as a Director.

End of Fill Part Length Dynamic Pressure Hydrostatic Pressure P ss Gate End Part FIGURE 61 - Deflection Equations H F WLMax Deflection: 0.002" (0.05mm) 1 = W • H3 12 _______ bending = F • L3 48 • E • I _______ k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = FIGURE 60 - Pressure vs Part Length FIGURE 61 - Deflection equations FIGURE 62 - For Plate Shaped Parts FIGURE 63 - For Cylindrical Shaped Parts Design Guide 49 • MMoldings = Combined mass of molded parts • Cp = Specific Heat of the material Step 3 – Heat Removal Rate • Nlines = The total number of independent cooling lines there are in the mold • tc = The cooling time required by the part (Determined in step 1) Step 4 – Coolant Volumetric Flow Rate • ΔTMax,Coolant = Change in coolant Temperature During Molding (1°C) • ρCoolant = Density of coolant • CP = Specific heat of coolant Step 5 – Determine Cooling Line Diameter • ρCoolant = Density of coolant • VCoolant = Volumetric flow rate of coolant • μCoolant = Viscosity of coolant • ΔPline = Max pressure drop per line (Usually equals half of the pump capacity) • LLine = Length of the cooling lines COOLING LINE SPACING k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = k Vcoolant nmax, coolant • Pcoolant • Cp, coolant Dmin = 2D < H < 5D H < W < 2H FIGURE 70 - Cooling Line Spacing FIGURE 64 - Heat Transfer Equation FIGURE 65 - Total Cooling for Mold FIGURE 66 - Cooling Required by Each Line FIGURE 68 - Max Diameter Equation FIGURE 69 - Min Diameter Equation FIGURE 67 - Volumetric Flow Rate Equation 50 Gravi-Tech ADHESIVE ADVANTAGES DISADVANTAGES Cyanoacrylate Rapid, one-part process Various viscosities Can be paired with primers for polyolefins Poor strength Low stress crack resistance Low chemical resistance Epoxy High strength Compatible with various substrates Tough Requires mixing Long cure time Limited pot life Exothermic Hot Melt Solvent-free High adhesion Different chemistries for different substrates High temp dispensing Poor high temp performance Poor metal adhesion Light Curing Acrylic Quick curing One component Good environmental resistance Oxygen sensitive Light source required Limited curing configurations Polyurethane High cohesive strength Impact and abrasion resistance Poor high heat performance Requires mixing Silicone Room temp curing Good adhesion Flexible Performs well in high temps Low cohesive strength Limited curing depth Solvent sensitive No-Mix Acrylic Good peel strength Fast cure Adhesion to variety of substrates Strong odor Exothermic Limited cure depth Design Guide 51 Bibliography 1.