1© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Before You Begin

• Please note that the following slides require your customization (indicated by carrots < >, or a box with dotted lines )• All agenda slides• Slide 2• Slide 4• Slide 9• Slide 12• Slides 16, 17 (right-click on the chart to edit data)• Slide 19• Slide 21• Slide 27

2© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

<COMMUNITY EVENT NAME>September XX, 2008

DEALER LOGO

3© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

4© SunPower 2008

Who is <Dealer Name>?

Dealer NameAddressCity, State, ZipPhonewww.weburl.com

• Over xx years experience installing solar systems• Specialize in residential solar electric systems etc…• Full service solar contractor (Contractor License #xxxxxx)• xxxxxx of solar electric systems installed.• Better Business Bureau member (other associations?)• Other selling points

Installation photo 1 Installation photo 2

DEALER LOGO

5© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

6© SunPower 2008

Eliminate or significantly reduce your electricity bills

Hedge against rising and volatileelectricity prices

Flexible financing optionsReduced carbon footprint & zero emissions — Be part of the solution!

Over 30 years, a 5kW system will benefit the environment equivalent to planting 30 acres of trees or not driving 237,000 miles

Economic, Environmental and Social Benefits of Solar

1

2

3

4

5

7© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

8© SunPower 2008

SunPower Overview

• Over a quarter century of experience• Over 500 large-scale systems on 4

continents• Publicly traded (NASDAQ) with top-tier

financing partners• Over 85 patents and 25 years of R&D• 4,000 Employees: all we do is solar

• World record cell efficiency• Aesthetically pleasing all-black panels• Over 300 dealers and growing rapidly

worldwide• 25-year warranty on performance• 10-year warranty on product

Established and Proven Technology Leaders

9© SunPower 2008

Vertical Integration Benefits

Polysilicon

Ingot

Solar Cell

Wafer

Solar Panel

Best in Class Dealer NetworkDEALER LOGO

10© SunPower 2008

SunPower Provides Solar Wherever You Need It

Commercial Power Plants

Commercial Install Base in North America

Solar Power Plants in North America

Largest Largest

Residential

Residential Install Base in North America

Largest

11© SunPower 2008

World’s Most Efficient Solar Products

Up to 50% MoreHigher Efficiency = More Power (kW/ft2 )

12© SunPower 200812

Backed by a Name You Can Trust

SunPower Authorized Dealers:• Are commitment to quality and

customer service, so that you get the highest return on your investment.

• Share SunPower's dedication to providing the most efficient solar systems to homeowners nationwide.

• Can offer residential customers SunPower's exclusive financing program, which can make solar energy an even more affordable investment.

12

“Insert quote from happy customer”

13© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

14© SunPower 2008

How Solar Works

15© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

16© SunPower 2008

Local Utility Rates

• Electricity is priced by tier & billed by the Kilowatt hour (kWh)• Usage above $42/month is in tiers 3 and above

$0.11 $0.13

$0.23

$0.32

$0.36

$0.00

$0.10

$0.20

$0.30

$0.40

Tier 1 Tier 2 Tier 3 Tier 4 Tier 5

17© SunPower 2008

What is time-of-use net metering?

• Electricity is credited or billed depending on time of day• On-peak electric rates are

3+ times off-peak rate• Enables system to be sized

35% smaller for same benefit• E7 on-peak rates apply noon

thru 6 PM, Monday – Friday.• All other times are off-peak• Summer: May – Oct• Winter: Nov – Apr

17

$0.09 $0.09

$0.29

$0.11

$0.00

$0.05

$0.10

$0.15

$0.20

$0.25

$0.30

$0.35

Off Peak On Peak

SummerOff Peak On Peak

Winter

18© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

19© SunPower 2008

State and Federal Incentives Detail

• State Incentive: California Solar Initiative (CSI)• Choose between EPBB (one time rebate) versus PBI

(rebate paid on production over 5 years)• EPBB is currently at $1.90 per Watt• Performance Based Incentive rebate pays 15% premium

over EPBB • Rebate drops based on the amount of kilowatts installed

• Federal Tax Credit• 30%

Disclaimer: Homebuyers should consult with their tax consultant, referencing the Federal Energy Policy Act of 2005, Section 1335. Tax laws are subject to change.

20© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

21© SunPower 2008

<COMMUNITY NAME> Community Program• Goal: To bring down the cost of solar with community

pricing• Timeline: <COMMUNITY NAME> residents must sign

a solar agreement between <Date 1> and <Date 2> (2 month period recommended)

Community Program

Tier

Agreements signed by <Date 2>

SunPower rebate

(cents/watt)

Savings (after rebate)

on 5kW system

Tier 1: 5 – 9 agreements signed $0.20 $1000

Tier 2: 10 – 19 agreements signed $0.30 $1500

Tier 3: 20 + agreements signed $0.40 $2000

21

22© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

23© SunPower 2008

SunPower Smart Financing®

• 25-year home equity loans that feature:• Fixed interest rates that help you keep

electricity costs flat for 25 years• Lines of credit that are interest-only

for the first ten years, minimizing your initial monthly payment

• Tax-deductible interest

• Unsecured Loans:• 5-year loans with 15 year amortization

schedules that are not dependent on home equity

• Highly competitive interest rates

* Based on 3kW AC system in San Jose, CA

After tax payments, a SunPower system can cost as little as $100* a month.

24© SunPower 2008

Financing Process

• Getting started: Easy as 1-2-3• Call 1.800.SUNPOWER and ask one

of our financing experts to walk you through our financing options

• Complete a single loan application and submit it to your preferred financing partner

• The lender will notify you of your approval and help you select the best possible financing plan

Apply online today!Visit financing.sunpowercorp.com

To determine your personal financial benefits from a SunPower system visit: www.sunpowercorp.com/calculator

25© SunPower 2008SunPower Proprietary and Confidential. © 2008 SunPower Corporation. All Rights Reserved

Who is <DEALER NAME> ?

Benefits of Solar

SunPower Overview

How Solar Works

Understanding your Utility Bill

State and Federal Incentives

<COMMUNITY NAME> Community Program

Financing

Q&A / Next Steps

26© SunPower 2008

What to Expect

Step 1We will conduct a site visit to assess your roof and electricity bills

Step 2We will provide you with a tailored system proposal

Step 3After you sign a contract we will handle all state rebates and permits that are required

Step 4Materials will be delivered to your home in a safe, secure storage unit

Step 5System is installed

27© SunPower 2008

Q&A / Next Steps

• Speak to any <dealer name> representative here, call <xxx-xxx-xxxx> or visit <www.weburl.com>

• Set-up a free site evaluation

28© SunPower 2008

Thank you for coming!

29© SunPower 2008

Appendix

30© SunPower 2008

Greater Power from the Same Roof Area

Thin Film4.4%

219kW

205,100 kWh

Conventional12.8%319kW

468,277 kWh

1,553 Conventional 208 W Panels25” Fixed Tilt Racking System

Thin Film AmorphousIntegrated Roof Membrane

2,146 SunPower 300 PanelsT10 Commercial Roof Tile

880,395 kWh

SunPower18.4%644kW

31© SunPower 2008 31© SunPower 2008

SunPower Produces More Power

BP MonoC-SI

SanyoHit-SI

SunPowerMono-C-SI

SolarworldMulti-C-SI

1580 Average

AC E

nerg

y Yi

eld

(KW

HAC

/ K

WPR

ATED

)

Footnote: Department of Electrical and Computer Engineering, University of Cyprus & University of Stuttgart, 2006-2007 in Nicosia, Cyprus.

32© SunPower 2008 32© SunPower 2008

Conventional SunPower A-300 SunPower Gen 2

= Average production efficiency

Thin Film

SunPower Manufactures Highest Efficiency CellsSolar Cell Efficiency Comparison

22.4%In Production Today