A-2 D-2 1, 2 and 4

Great Place Attachment 2 2)

Our pre-colored formations streamline production and improve global consistency

Our pre-colored formations streamline production and improve global consistency

Cold Slug Wells • Place these wells at the base of the sprue to capture the cold material first emerging from the nozzle Place wells at every 90° bend in the runner system. • Well depths approximately 2.5 times the diameter of the runner provide the best results. Venting • Place vents at the end of fill and anywhere potential knit/weld lines will occur. • All vents need to be vented to atmosphere. • For circular parts, full perimeter venting is recommended. • Cut vent depths to 0.0007″–0.0015″.

Place vents at each 90° intersection and vent to atmosphere Place wells at every 90° bend in the runner system Draft Angle • Maintain a minimum draft angle of 1/2° per side.

Standard grades in the portfolio conform to UL 94 V-2, V-0 and 5VA performance ratings, and many offer elevated Relative Thermal Index (RTI) ratings. Drying non-halogenated materials is suggested. 2 hours @ 100 (38) Moisture Range (%) Not required Follow up by purging machine with general purpose PP • Residence time should not exceed 5 minutes for Maxxam FR products • General ventilation is suggested Shut Down • Purge the equipment with a general purpose PP • All tooling and equipment must be free of any residual Maxxam FR upon shut down • Continue generating parts made from the natural PP until clear • Wipe down tool steel with mold cleaner • When using a hot runner system, care must be taken to remove residual product from the manifold MOLD DESIGN RECOMMENDATIONS Cold Slug Wells • Place cold slug wells at the base of the sprue to capture the cold material first emerging from the nozzle • Place cold slug wells at every 90° bend in the runner system • Well depths approximately 2–3 times the diameter of the runner provide best results Draft Angle • Draft angle should be 1/2°–1° per side.

Investor Day G L O B A L H I G H Y I E L D & L E V E R A G E D F I N A N C E C O N F E R E N C E F E B R U A R Y 2 0 2 0 F O R W A R D L O O K I N G S T A T E M E N T S PolyOne Corporation 2 In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Binder • PET, Polyester, Kevlar yarns coated with Swellcoat (absorbs and blocks water) 2 3 4 5 7 6 8 9. Service:�The Timeless differentiator Talent development IQ DESIGN LSS CUSTOMER FIRST Innovating with PolyOne COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials DISTRIBUTION Overview of RAW MATERIAL PURCHASES Target end markets & �application examples Slide Number 52 Slide Number 53 Slide Number 54 Slide Number 55 Slide Number 56 Slide Number 57 Slide Number 58 Slide Number 59 Slide Number 60 Slide Number 61 Slide Number 62 Slide Number 63 Slide Number 64 Slide Number 65

PolyOne Investor Presentation PolyOne Investor Presentation March 2018 POLYONE CORPORATION 2  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. PolyOne �Investor Presentation Slide Number 2 Slide Number 3 Slide Number 4 Slide Number 5 Slide Number 6 Slide Number 7 Slide Number 8 Slide Number 9 Slide Number 10 Slide Number 11 Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Slide Number 20 Slide Number 21 Slide Number 22 Slide Number 23 Slide Number 24 Slide Number 25 Slide Number 26 Slide Number 27 Slide Number 28 Slide Number 29 Slide Number 30 Slide Number 31 Slide Number 32 Investor Presentation - March 2018 r4.pdf Investor Presentation - March 2018

Place vents at the end of fill and anywhere potential knit/weld lines will occur. 2. Enlarge or widen vents and increase number of vents 2. Clean, widen and increase number of vents 2.