November 13, 2007

The Evolving Roles and Responsibilities of Gas Utilities In Today’s Markets:

Giving Customers More Choices

Commerce Energy Group, Inc. (Amex: EGR) is a leading independent U.S. electricity and natural gas marketing company.

We serve residential, small business, commercial and industrial customers located in energy deregulated states.

Commerce Energy, Inc. is licensed by the Federal Energy Regulatory Commission and by state regulatory agencies.

Headquartered in Orange County, California, we also have offices in Houston and Dallas, Texas and Boston, Massachusetts.

2

Company overview

Established: 1997

Amex (EGR): July 2004

Fiscal Year: July 31st

Annual Revenue: $372 million (as of 7/31/07)

Employees: 263

Customers: 196,000 (as of 7/31/07)

States Served: 10

3

Company facts

4

Gas & Electricity

Electricity

Gas

License/Certificate

Strong customer growthCurrent Footprint

5

Strong Market Positions Large footprint – serving electricity and gas partners in 10 states Diversified customer mix – residential, small business and C&I Strategic wholesale partners

Unique Presence in California Potential re-opening of CA market offers significant growth

opportunities Established market presence with over 50,000 customers

Consistent customer growth FY 2007 customer growth of approximately 43% Currently 196,000 customers

Company highlights

6

Sales & marketing - customersValue to Our Customers

We’re in the business of helping customers control their energy cost

Reseller of natural gas and electric power We own no production or generation

Customer segmentation focus Multi-location commercial & industrial

businesses Hospitality chains School districts Retail outlets

Mass markets Small businesses Residential customers

Choices for Our Customers

Energy is an essential service

Customers are already buying and using energy

High energy cost is on the minds of customers Customers are looking for choices in

controlling their energy costs

We provide rate options not available from the utility Fixed-rate plans are very popular

during periods of high price volatility 85% + of our sales are fixed-rate plans

7

8

Sustainable foundationProgram Overview

9

Sustainable foundationProgram Overview

10

Sustainable foundationProgram Overview

11

Sustainable foundationSure Choice Traditional Energy

Allows customer to choose service plans designed to fit their needs

Smooth out energy price spikes and lock in a competitive rate with a 12- or 24-month Sure Choice fixed- rate service plan

Innovation

Education Learn how to lower energy

cost with online tips and products at the Energy Store

Commitment We promise to educate

consumers on how to control energy costs