1. NOVOMER C ATALYZING G REEN C HEMISTRY 1 © 2010 Novomer Inc. CONFIDENTIAL PROPERTIES OF FILMS MADE WITH SUSTAINABLE CO 2 -BASED POLYMERS AND BLENDS THEREOF Sanjeev D. Naik and Peter H. Shepard Novomer, Inc Waltham, MA International Polyolefins Conference 2011 Evolving Polyolefins Technology for the Global Economy. Houston, TX: February 27 - March 2, 2011

2. NOVOMER C ATALYZING G REEN C HEMISTRY 2 © 2010 Novomer Inc. CONFIDENTIAL Novomer Overview  Emerging sustainable chemistry company commercializing new catalyst systems to produce high performance, environmentally responsible polymers and chemical intermediates.  Headquarters: Boston, MA. R&D Facilities: Ithaca, NY.  Financing History:  Venture Capital: $20.6 million.  Department of Energy: $20.5 million.  National Science Foundation & NYSERDA: $1.8 million.  Intellectual Property:  13patents issued, 40+ pending.  Protects catalysts, manufacturing processes, materials and selected applications.

3. NOVOMER C ATALYZING G REEN C HEMISTRY 3 © 2010 Novomer Inc. CONFIDENTIAL Novomer’s CO 2 -based Polymers PPC pellets, film, etc.  Aliphatic polycarbonates: Reaction of CO 2 with epoxides like PO and EO.  Alternating CO 2 /epoxide linkages with direct incorporation of CO 2 into polymer chain.  Molecular Weight (Mw) control possible:  > 40,000 Da: Thermoplastics  1,000 – 10,000 Da: Polyols  Exploring film extrusion, thermoforming, injection and blow molding of high Mw PPC and/or its blends with other polymers.  Exploring use of polyols for can/coil coating, composites, and foam applications.

4. NOVOMER C ATALYZING G REEN C HEMISTRY 4 © 2010 Novomer Inc. CONFIDENTIAL Novomer’s CO 2 -based Polymers Thermoset Applications >250,000 1,000 Molecular Weight (Mw) Thermoplastic Applications Focus of this talk: PPC for Thermoplastic Applications

5. NOVOMER C ATALYZING G REEN C HEMISTRY 5 © 2010 Novomer Inc. CONFIDENTIAL Rheology of Novomer’s PPC Elastic Modulus of PPC of different Mw Can tailor Mw of PPC to meet polymer processing needs Steady shear viscosity of PPC (average Mw: 180,000) at different temperatures

6. NOVOMER C ATALYZING G REEN C HEMISTRY 6 © 2010 Novomer Inc. CONFIDENTIAL Properties of Novomer’s PPC PropertyPPC (Ave. Mw: 180K) LLDPEHDPEPPPSPLA Tensile Strength at Yield ((MPa) 35-454-15 20-3530-4545-60 Elongation at Yield (%) 3-560+5-10 1-43-5 Tensile Modulus (MPa) 1400-1600150-200500-600900-10002000+3000+ Flexural Modulus (MPa) 2,400-2,750 275 - 725 1,100-1,4001,700-2,0002,700-3,4002,700-3,700 Izod Impact (ft- lb/inch) 0.7-0.9No break2-2.51.4-1.60.3-0.4 PPC: High Tensile and Flexural Properties Properties similar to polystyrene or PLA

7. NOVOMER C ATALYZING G REEN C HEMISTRY 7 © 2010 Novomer Inc. CONFIDENTIAL PPC Blends with Polyolefins (Preliminary Data) Higher Tensile & Flexural Properties with Polyolefin Blends. 70/30 and 50/50 Blends of Polyolefins with PPC

8. NOVOMER C ATALYZING G REEN C HEMISTRY 8 © 2010 Novomer Inc. CONFIDENTIAL Oxygen & Water Vapor Permeability PEC PPC PLA 50/50 PPC/ LLDPE PPC: O 2 and Water Vapor permeability similar to BOPET. PEC: High O 2 barrier (< 1 cc-mil/(100 in 2 day atm)).

9. NOVOMER C ATALYZING G REEN C HEMISTRY 9 © 2010 Novomer Inc. CONFIDENTIAL Oxygen Permeability vs. Relative Humidity O 2 permeability maintained with increasing %RH.

10. NOVOMER C ATALYZING G REEN C HEMISTRY 10 © 2010 Novomer Inc. CONFIDENTIAL O 2 and WV Permeability PPC – Polyolefin Blends An unexpected result with LLDPE Barrier Enhancement Factor for 50/50 Blends Actual Additivity Model LLDPE/PPC 12.51.7 HDPE / PPC 1.7 PP/PPC 4.71.7 Additive model: P blend =  1 P 1 +  2 P 2 O 2 permeability reduction exceeds that expected based on an additive model for 50/50 blends.

11. NOVOMER C ATALYZING G REEN C HEMISTRY 11 © 2010 Novomer Inc. CONFIDENTIAL Permeability – PPC Blends Good dispersion of dispersed phase in blends. Co-continuous morphology seen with LLDPE explains higher barrier enhancement. 50/50 PPC/LLDPE Blend Sectioned perpendicular to extrusion direction in both cases. 50/50 PPC/HDPE Blend

12. NOVOMER C ATALYZING G REEN C HEMISTRY 12 © 2010 Novomer Inc. CONFIDENTIAL Carbon Balance CO 2 is permanently converted and sequestered into the plastic The CO 2 is being used in place of fossil fuels The PPC reaction occurs using lower energy than most polymerization reactions. PS PVC PE PP Propylene CO 2 Processing Novomer Oxide PPC Source: Industry Data from European Plastics Association Novomer’s carbon footprint is 40-70% lower than competing materials.

13. NOVOMER C ATALYZING G REEN C HEMISTRY 13 © 2010 Novomer Inc. CONFIDENTIAL High Mw Thermoplastic Opportunities Plastic Packaging A.Near term Films (Monolayer and Multi-layer laminates) Extrusion Coatings on Paperboard Blends with thermoplastic starch & polyolefins B.Mid term - Rigid Packaging Applications (Blends) Where Next? Novomer’s synthetic chemistry allows functionalization and Mw control to achieve desired performance properties.