BioAmber Sarnia Global Scale- Up of Renewable Chemicals Presentation to the Sustainable Chemistry Alliance Mike Hartmann, Executive VP June

Immediate access to commercial scale building blocks

3 -3- Plasticize rs Deicers Coatings Resins Food Cosmetic s Polyurethan es Solvent s Flavors ✚ = 1,4 BDO PBS Polybutyle ne Succinate Succinic Acid !,4 BDO, THF, GBL Bio-Based Succinic Acid: Large Addressable Markets Succinic Acid: A High Growth Platform

5 Industrial Scale Plant in North America Sarnia is a Lanxess’s bio-chemical park Three world-class corn wet mills in area. Cool water and Hydro-electricity on site. Excess of CO 2 and steam produced on site Capacity to generate economies of scale Available and skilled manpower Low Cost Production Site

6 6 Investment and Job Creation Community Celebration – Start of Construction – May 16, 2012 BioAmber Sarnia - $80 M capital investment and 40 new jobs May 16, 2012 – community celebration – attended by our JV partner Mitsui& Co Hosted at the site of the Lanxess Bioindustrial Park Engineering team onsite Plant manager hired Municipal permitting underway

A Portfolio of Products that offers choice

8 A Portfolio of Renewable Chemicals Bio-Succinic AcidBio-based 1,4-BDO/THFBio-Adipic and Bio-HMD Technology: license to DuPont’s BDO/THF technology Cost: process leverages low cost of bio succinic acid Successful scale-up: have produced multi-tons quantity of 1,4-BDO and THF Current scale: 3,000MT Future capacity: 35,000MT bio succinic and 23,000 Tons Bio 1,4 BDO in Sarnia Market: Broad range of applications from industrial to consumer, bioplastics & BDO C4 Building Blocks: Succinic Acid, BDO C6 Building Blocks: Adipic Acid, Caprolactam, HMDA Technology Platform: metabolic pathway to make adipic, caprolactam, HMD and 1,6-Hexanediol from sugars Leverages C4 experience to accelerate development

Partnerships enable Scale-Up, Market Access, FTO

10 Strategic Focus on Green Chemistry Global Market/Customer Access Equity for Building Plants

11 Offers customers access to bio-based PBS Strong IP position offers FTO Alliance with PTT

12 New Family of Bio-based Compounded Polymers FTO for PLA/Polyester Blends Market Access

13 Established Player in Phthalate-free Plasticizers Strong Performance, Positive Market Feedback IP Filed and Samples Available

14 Partnerships secure technology, scale-up, access to markets and FTO

15 Thank you to our partners and supporters! Our funding partners: Sustainable Chemistry Alliance Sustainable Development Technology Canada Ontario Ministry of Economic Development and Innovation The Community of Sarnia: Lambton College City of Sarnia Our supporters: The Ontario Federation of Agriculture The Ontario BioAuto Council