Commercializing Cellulosic Biorefining

12 October, 2012 Bob Walsh Chief Commercial Officer

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Tomorrow’s Fuels & Chemicals Today

We Create High Margin and Sustainable Alternatives

to Petroleum-Based Fuels and Chemicals in Use, Today.

Poplar Harvesting

Boardman, OR

250K GPY Demo Facility

Boardman, OR Fuels and Chemicals

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Feedstock Flexible = Globally Replicable

Co-Locate Biorefineries With Cellulosic Feedstock Supplies

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ZeaChem’s C2 Product Platform

Carbon efficient

40% higher yield than other processes

>90% green house gas reduction

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ZeaChem’s C3 Product Platform

Pivot to C3 platform with a switch of organism

High carbon yield, natural organism similar to C2

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Multiple, Established Markets $1 Trillion Fuels & Chemicals Market

Sugars

Propionic

Acid

Acetic

Acid Ethanol

Propanol Propylene

Alkylate /

Polygas

Drop-in

Gasoline /

Alkylate

Poly-

propylene

Automotive /

Packaging

Acrylics Super-

Absorbents

Ethylene

Linear

a-olefins

Ethylene

glycol

Poly-

ethylene Packaging

PET

Jet / Diesel

VAM EVA Paint /

Adhesives

Acetic

Anhydride

Cellulosic

Acetate

Rayon /

Filters

Gasoline

Blending

Competitive Today On Base Product = Competitive On Downstream Products

Ethyl

Acetate

Sales

$485B Refiners

$110B Consumer Products

Chemical Companies

$180B

Consumer Products Paint Companies

Chemical Companies

$245B Airlines / DoD

Refiners

Market Size Customer

$60B Refiners

Ethyl

Propionate

Commercial Phase (C2 Platform)

Development Phase (C3 Platform)

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Linking The Chain

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Company History Demonstrated Track Record Of Execution

Lab

Lakewood, CO

Company headquarters

Boardman, OR

250K GPY

Demonstration of integrated process at scale

Demo

Golden, CO

50K GPY

10,000x scale-up of technology

Pilot

Boardman, OR

25MM+ GPY

Key development milestones completed

Co-location further mitigates risk

1st

Commercial

2006 2008 2012

Successfully Developed Technology From Lab To Demo Scale & Raised 3 Rounds Of Financing

Founded

2002

Menlo Park, CA

5 GPY

Proved out technology at bench scale

C3 Platform Rollout

C3 will follow closely behind C2

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Demo Plant (250,000 GPY) – Boardman, OR

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Demo Plant (250,000 GPY) – Boardman, OR

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Commercializing

• 1st Commercial

USDA LG

LT Feedstock Agreements

Offtake

Financing structure in place

• Global Rollout

Products

Markets

Geographies

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Thank You

Bob Walsh

Chief Commercial Officer

(650) 543-8129 bwalsh@zeachem.com