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Solmetric to Develop Photovoltaic Layout and Estimation Software Tool for SolarMagic Power Optimizers

May 14, 2009

May 14, 2009 - National Semiconductor Corp. (NYSE:NSM) today announced a partnership with Solmetric Corp., an innovative developer of test and measurement tools for solar installations. Solmetric has developed a software tool to estimate the energy production of solar arrays, including installations outfitted with National’s SolarMagicTM power optimizers.

National’s SolarMagic power optimizers enable solar panels to produce maximum energy regardless of whether other panels in the array are under-performing due to shade, debris, panel mismatch and aging. To help determine how much benefit an installation will gain by using SolarMagic power optimizers, PV installers and designers can capture site-specific shade information with Solmetric’s SunEye™, a handheld measurement instrument, then create a PV system design on the site with the new photovoltaic (PV) layout and estimation software.

The system uses data collected from real-world installation sites and enables a solar system designer to experiment with different array configurations, with and without SolarMagic power optimizers. Designers can compare different hardware and different roof layouts, and visualize shade over the array area. The system estimates the resultant energy production, resulting in more confidence in a PV design in less time.

Solmetric is offering a technology preview of the PV Simulator, which can be downloaded for a 30-day trial starting in late May 2009 by visiting www.solmetric.com. The final release of the PV Simulator will be available to SolarMagic and Solmetric customers in August 2009.

About SolarMagic Power Optimizers
To maximize the energy output of each solar PV panel in the array, National Semiconductor has developed SolarMagic power optimizers, which enables each solar panel to produce the maximum energy regardless of whether other panels in the array are under-performing due to mismatch. SolarMagic technology maximizes the energy harvest of each individual PV panel through advanced algorithms combined with leading-edge mixed-signal technology, thereby recouping up to 57% of the lost energy due to mismatches. See www.solarmagic.com for more information.

About National Semiconductor
National Semiconductor is a leader in power management with a 50-year history of quality and reliability. Its PowerWise products enable electronics customers to design more energy-efficient systems. National’s SolarMagic products improve the energy output and reliability of solar arrays. Headquartered in Santa Clara, Calif., National reported sales of $1.89 billion for fiscal 2008.

About Solmetric
Solmetric Corporation provides tools for solar energy and architecture professionals. The Solmetric SunEye™ is a handheld instrument that measures shading and solar access at a particular site and is designed for ease of use, accuracy, and convenient reporting.