Please Meet Solar Plexus

Solar Plexus, LLC “Your Natural Solution for Power” www.solarplexus1.com
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Solar Plexus, LLC
406-721-1130
1605 Stephens Suite B, Missoula MT 59801 April 1, 2008

Solar Plexus Overview

Solar Plexus was started in 1994 by Lee Tavenner, and Mary Hamilton. Solar Plexus
mission is to design, install and maintain renewable energy systems that work. Lee and
Mary located their store in a retail space in Missoula, Montana, and did on-site
installation of solar and hydroelectric projects. At that time most solar projects were
stand-alone systems, or water pumping.

Earlier, Lee Tavenner had developed his own hydroelectric project between Drummond
and Butte, Montana. Lee had been active in opposing and then influencing siting of a
high-power transmission line from the Colstrip coal plants to the coast, and as a result of
that involvement sought to develop local renewable resources in Montana. His 500KW
Little Gold project was the result. This run–of-the-river project has been on-line since
1988, delivering clean renewable energy into the grid.

In 2000 Rip Hamilton joined the firm. Both Rip and Lee are now PV certified by the
North American Board of Certified Energy Practitioners (NABCEP). In 2004 Solar
Plexus purchased a building in Missoula. In 2005 we installed our own grid-intertie solar
system on the store, an 11-panel system that offsets about half of the store’s energy use.
Since the company’s inception in 1994, Solar Plexus has installed numerous stand-alone
and grid-tie solar systems in Montana and surrounding states. In addition to standard
solar panels, Solar Plexus has also specialized in Atlantis Sunslates, and has completed
solar shingle installations on several houses in Montana, Wyoming and Colorado.
Solar Plexus also does solar hot water, and has completed several multiple-panel
commercial projects in western Montana, as well as some standard domestic hot water
systems.

Over the years, Solar Plexus has installed numerous hydro projects, ranging from 50KW
down to 200 watts. In 2006, we installed 90 solar panels and 8 hot water collectors on a low-income housing project in Missoula at Orchard Gardens, the largest solar installation in Montana to date. This was our second project with WORD, as WORD had also sponsored an 88 panel
grid-tie solar project at their Gold Dust apartments two years earlier.

We are pleased with the increased interest in solar that has developed in the last year or
so, and we look forward to solar becoming fully integrated into building design and
function.