First Solar AC Power Block CONFIGURABLE PV POWER GENERATION UNIT WITH GUARANTEED PERFORMANCE AC POWER BLOCK FEATURES First Solar Series 3 Black Plus™ advanced thin film modules As a global leader in photovoltaic (PV) solar energy, First Solar has developed, financed, engineered, constructed, and currently operates many of the world’s largest PV power plants. Leveraging over 8 gigawatts (GW) of experience, the AC Power Block™ is a configurable power generation unit that enables construction of a fully integrated First Solar utility-scale power plant. The AC Power Block delivers bankable PV energy at the lowest LCOE in the world’s most diverse regions. We combine superior performance with support, training and services to provide customers with an Energy Performance Guarantee that is unmatched in the industry. Configurable power generation unit to meet diverse project needs First Solar’s proven technology, training and support Optimized system design for streamlined regional execution Stable and reliable grid integration over life of the power plant AC POWER BLOCK BENEFITS PROVEN RELIABILITY • tilizes the core of U First Solar’s power plant design • Demonstrated grid stability through proprietary plant control technology • nables a proven E energy prediction model First Solar, Inc. | firstsolar.com | [email protected] GUARANTEED PERFORMANCE LOWEST LCOE • Guaranteed 1st year energy performance provides assurance of lifetime energy generation • Reduces LCOE with high yield CdTe technology and cost effective manufacturing • Backed by a 25-year Power Block capacity warranty • Maximized energy output driven by power plant design optimization process • Provides a bankable revenue stream and verified asset value

FIRST SOLAR AC POWER BLOCK SOLUTION FIRST SOLAR PLANT CONTROL SYSTEM, SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) SYSTEM, & WEATHER STATION FIRST SOLAR SERIES 3 BLACK PLUS PV MODULES FIRST SOLAR QUALIFIED INVERTERS FIRST SOLAR MOUNTING SOLUTIONS (FIXED-TILT OR TRACKING) POWER BLOCK CONFIGURATION The modular system design of the AC Power Block enables configurable project solutions and ease of installation for any project site. AC POWER BLOCK SERVICES TECHNICAL CHARACTERISTICS AC Power Block capacity (DC) DC/AC ratio* AC POWER BLOCK WARRANTY STANDARD SUPPORT SERVICES WARRANTY SUMMARY Design...