X-SERIES SOLAR PANELS [Type text] UNMATCHED PERFORMANCE, RELIABILITY & AESTHETICS 21.5% efficiency Ideal for roofs where space is at a premium or where future expansion might be needed. • Maximum performance Designed to deliver the most energy in demanding real world conditions, in partial shade and hot rooftop temperatures.1, 2, 3 SIGNATURETM BLACK X21 335 PANEL Premium aesthetics SunPower® Signature™ Black X-Series panels blend harmoniously into your roof. The most elegant choice for your home. • HIGHEST EFFICIENCY Generate more energy per square foot X-Series residential panels convert more sunlight to electricity producing 44% more power per panel,1 and 75% more energy per square foot over 25 years.3,4 HIGHEST ENERGY PRODUCTION Produce more energy per rated watt Same excellent durability as E-Series panels. #1 Ranked in Fraunhofer durability test.10 100% power maintained in Atlas 25+ comprehensive PVDI Durability test.11 More Energy Per Rated Watt SunPower X-Series 36% more, year 25 Maintains High Power at High Temps No Light-Induced Degradation High Average Watts Designed for durability The SunPower Maxeon Solar Cell is the only cell built on a solid copper foundation. Virtually impervious to the corrosion and cracking that degrade Conventional Panels.4,5 Engineered for peace of mind Designed to deliver consistent, trouble-free energy over a very long lifetime.4,5 Year 1 Energy Advantage / Watt Maxeon® Solar Cells: Fundamentally better. Engineered for performance, designed for durability. 25-Year Energy Production / Watt High year one performance delivers 8-10% more energy per rated watt.3 This advantage increases over time, producing 21% more energy over the first 25 years to meet your needs.4 Awarded to SunPower E-Series. X-Series delivers even more energy.7 Better Low-Light and Spectral Response High-Performance Anti-Reflective Glass

X-SERIES SOLAR PANELS [Type text] SUNPOWER OFFERS THE BEST COMBINED POWER AND PRODUCT WARRANTY POWER WARRANTY PRODUCT WARRANTY Traditional Warranty Traditional Warranty Combined Power and Product Defect 25 year coverage that includes panel replacement costs. 9 ELECTRICAL DATA OPERATING CONDITION AND MECHANICAL DATA Power Tolerance Rated Voltage (Vmpp) Rated Current (Impp) Maximum Series Fuse More guaranteed power: 95% for first 5 years, -0.4%/yr. to year 25. 8 Maximum System Voltage Temperature Max load Impact resistance Appearance – 40°F to +185°F (– 40°C to +85°C) Wind: 50 psf, 2400 Pa, 245...