Brian CurtisCorporate Development

Calera Corporation

November 10th, 2008

Sequestering Carbon Dioxide in the Built Environment

JUCCCE China Energy Forum

2

Capture

green building materials

and convert it into

Calera’s Solution

CO2

3

Power Calera

Clean Air (reduced or zero CO2)

Flue gas

Cooling seawater(or alternative direct source)

Cooling seawater Green

Cement

Demineralized Water (stripped of Ca & Mg)

Calera Process

4

Calera Process as Biomimicry

+ =

Coral

Coral processSeawater absorbs CO2

CO2 minerals

Calera’s process is similar to coral reef formation

5

Carbon Capturing Materials

“Being less bad is not good enough”

Normal Concrete

Carbon Capturing Concrete

Carbon Footprint

+

-

With 50% Fly Ash

6

Calera’s Pilot Facility

>3.4 million tons CO2 per year

Source: EPA (2007)

CO2 Source: Largest Power Provider in California

Moss Landing, CA>1000 MW base load

>1500 MW peakingNatural Gas

7

Green Cement for a Blue Planet

Carl Pope,President of the Sierra Club

“Calera, a game changer”

8

ResearchLab Testing

Pilot Testing

Demo Testing

Commercial Maturity Level

Pre-Combustion

Oxy-Combustion

Sources: URS Washington Division, CCS Presentation, IEA GHG R&D Programme, EERC Research Center

47-50$/tCO2

Amine Scrubbing

16-30$

IGCC

AmmoniaAlstom (Chilled) – 20$/tCO2

Powerspan (ECO2) – 11$/tCO2

GreenFuel (Algae)Sorbents/Solvents

Membranes

32$/tCO2

Solid Sorbents

Membranes

Mitsubishi MHI (KM CDR)Fluor (Econamine)Cansolv

CarbozymeCO2Solution

SelexolRectisol

GE EnergyMitsubishi MHI E-GasShell

Retrofit New36-67$

AlstomBabcock & Wilcox Hitachi

Siemens

Post-Combustion

Carbon Capture (80% cost of CCS)

Siemens

9

Geologic Storage

Saline aquifers(1,000Gt)

Depleted oil & gas field EOR (900-1,200Gt)

Declining oil fields(15Gt)

Un-mineable coal beds

Mineral storage

Ocean storage(5,000Gt)

Injection MonitoringTransport

4.5-30$/tCO2

50-100$/tCO2

Potential Benefits

0.5-8$/tCO2 0.5-8$/tCO2

5-70$/tCO2 0.1-0.3$/tCO210-15$/tCO2

Carbon Sequestration (20% cost of CCS)

ResearchDemo Testing

Commercial Maturity LevelProven

Also required