BUILT TO LAST YOUR ONE-STOP SOLAR SOLUTION

T H E WORLD’S STANDARD FOR SOLAR™

RIGOROUSLY TESTED CONTINUALLY IMPROVED PEACE OF MIND FOR YEARS TO COME SOLAR BOOSTS • Thorough testing goes above and beyond • Millions of hours of performance analysis • Multi-billion dollar public company with over a quarter century of experience are reengineered back into our solar cells, HOME SALE PRICES industry standards and the competition • Complete solar solution for your home including panels, mounting system, inverters and monitoring panels and systems • We test for all conditions and perform • Industry-leading warranty, backed by a financially sound & stable company • We control the entire manufacturing tests with extended qualifications • Number one choice of U.S. homeowners and businesses U.S. Department of Energy’s process, so we know what real-life is – Our panels have been salt mist certified Lawrence Berkeley National like for our systems and can ensure that under the harshest conditions, so if you THE WORLD’S STANDARD BEST-IN-CLASS DEALER NETWORK Laboratory study found that solar the highest quality panels reach your live near the ocean they will be protected TM rooftop and produce the most energy FOR SOLAR homes with an average system size under warranty • You can count on your local SunPower® solar for years to come installer to provide the highest standard of of 3.1kW sold for approximately • The most reliable solar system you can buy quality and customer service $17,000 or $5,500/kW more • Use less roof space to produce the energy you SUNPOWER’S EXTENDED TESTING PERFORMANCE GUARANTEED – The best of the best—Only a small than non-solar homes. need today and gain the flexibility to expand later as your energy needs change percentage of applicants qualify • Our panels are built to withstand • Generate more electricity over the lifetime – Trained to the highest standards Increased sale price was SUNPOWER CUSTOM TESTS hurricane-grade winds, hail stones, humid of your system, in a range of conditions in the industry comparable to the average cost climates and extremely high temperatures • SunPower® Signature™ black design blends – Random inspections to ensure that the of system installation, and solar EXTENDED • We stand behind the lifetime performance seamlessly with your roof highest quality standards are upheld homeowners also enjoyed the QUALIFICATIONS of our panels – Year 12: Guaranteed power production benefit of lower electric bills. BASIC INDUSTRY MOST FLEXIBLE FINANCING IN THE INDUSTRY QUALIFICATIONS of at least 90% – Year 25: Guaranteed power production We offer a wide range of financing options designed to make your SunPower solar system fit your of at least 80% energy needs and your finances.

PURCHASE LOAN LEASE* x $5,500 = $ System kW • Own your system • Spread the cost of your • $0 money down • Avoid interest charges system over time • Low monthly payments • Keep the 30% federal • Low monthly payments • Option to purchase your tax credit, and applicable • Keep the 30% federal system after six years state and utility credits now tax credit and applicable • You know what is on state and utility credits now your roof 1-800-SUNPOWER | SUNPOWERCORP.COM

*Not available in all states.

SunPower Corporation — Corporate Headquarters, 77 Rio Robles, San Jose, California 95134

Source: An Analysis of the Effects of Residential Photovoltaic Energy Systems on ©2011 SunPower Corporation. All Rights Reserved. SUNPOWER, the SUNPOWER Logo, MAXEON, SIGNATURE, Home Sales Prices in California, Lawrence Berkeley National Laboratory, April 2011. THE PLANET’S MOST POWERFUL SOLAR, AND THE WORLD’S STANDARD FOR SOLAR are trademarks or registered Study analyzed 72,000 California homes, 2,000 of which had solar. trademarks of SunPower Corporation in the U.S. and other countries as well. PEACE OF MIND SUPERIOR REAL-WORLD PERFORMANCE

Perform better at high SUNPOWER® PANELS: Outperform temperatures and maintain competitors early in the morning, late Do a better job at absorbing performance when first in the day and on cloudy days. different kinds of light. exposed to light.

THE TRUSTED SOLAR SOLUTION INDUSTRY-LEADING WARRANTY WHY EFFICIENCY MATTERS ACHIEVING WORLD FOR YOUR HOME • Your system is protected for years to come More Power Means Fewer Panels Produce More Electricity Flexibility for the Future RECORD EFFICIENCY • Over a quarter-century of experience • 10-year guarantee on workmanship SunPower panels produce up to 50% more SunPower systems work harder for you Use less roof space to produce the energy power than the competition, so you can use day after day in a range of conditions. you need today and gain the flexibility to • Over 5,500 employees worldwide • 25-year guarantee on performance fewer panels to produce the same amount expand later as your energy needs change Revolutionary patented, all-back dedicated to solar This means that your electric meter will • Backed by a financially-sound and of power and maximize your roof space to spin backward faster and more often. (electric car, home addition, growing family). contact, SunPower® Maxeon™ solar • Based in the United States, headquarters stable company choose the best, unobstructed location for cell technology holds the world in Silicon Valley electricity production. record in efficiency. • More than 140 industry patents NUMBER ONE CHOICE OF Offset More of Your Bill 6.8kW – Fill Up the Roof 6.6kW – More Power 9.5kW – Option to Expand HOMEOWNERS & BUSINESSES Means Fewer Panels in the Future FINANCIALLY-SOUND, SunPower systems produce more electricity than other panels, which means less STABLE COMPANY • Largest residential and commercial install base in the United States electricity purchased from the utility and more savings for you. • Multi-billion dollar public company • Tens of thousands of residential and STANDARD EFFICIENCY SUNPOWER E19 SUNPOWER E19 • Majority-owned by Total, the world’s commercial systems installed around 11th largest company by revenue the globe

PERCENTAGE OF SOLAR MARKET BY MANUFACTURER MAJOR COMPANIES PANEL EFFICIENCY BY MANUFACTURER INDEPENDENT TESTS AROUND THE WORLD SHOW THAT TURN TO SUNPOWER: Not All Products are Created Equal SUNPOWER PRODUCES THE MOST ELECTRICITY (kWh) SunPower 51% 24% 22% Solar systems are often described SunPower NO WIRES TO Sanyo 20% 20.1% FedEx in watts and kilowatts, however, BLOCK SUNLIGHT Sharp 19% Converts more energy

Evergreen Johnson & Johnson the most important factor to consider 18% Loughborough University (CREST) Sanyo +9% SunTech Microsoft is the amount of actual electricity 17% NEW YORK NEW JERSEY CALIFORNIA 17.4% BACKSIDE MIRROR Kyocera 16% University of Stuttgart (IPE) Reflects more light Wal-Mart Stores it is expected to generate during Canadian SunTech BP Solar Solar +16% BP Solar 15% Sharp Kyocera 15.2% REC Toyota its lifetime (kilowatt-hours). When 15.1% 14.9% Arizona State University Canadian Solar 14% 14.75% 14.4% Whole Foods 14.2% Evergreen +7% THICK PLATED Westinghouse Solar compared to other brands, SunPower COPPER CONTACTS 13% 13.38% Westinghouse Conducts more current REC Solar Department of Energy University of Cyprus panels produce the most electricity 12% 12.3% +16% 0102030405060 0102030405060 0102030405060 in a range of conditions.

Source: Based on NYSERDA, New Jersey and CSI data for systems completed January 2009 – June 2011 Sources: Photon International database and manufacturer datasheets for panels available in the U.S. in September 2011. Arizona State University: 7% more than Poly-Si (Test dates: June – Aug 2008) SunPower was acknowledged as the world record holder in commercialized solar Loughborough University (CREST): 9% more than Poly-Si (Test dates: 2007 – 2008) cell efficiency at 24.2% and module efficiency at 20% by the Guinness World University of Stuttgart (IPE): 7% more than HIT (Sanyo), 16% more than thin film (Test dates: June 2006 – May 2009) Record organization at InterSolar in Germany on June 8, 2011. University of Cyprus: 7% more than a-Si (Mitsubishi), 16% more than Mono-Si (BP Solar) (Test dates: June 2006 – May 2009)