WASHINGTON-(Business Wire)-May 18, 2007 - The Distributed Energy Financial Group LLC (DEFG, www.defgllc.com), a specialized consulting and financial services firm focused on the energy technology sector, unveiled a number of improvements to the Distributed Energy Stock Index (DESI). The biggest improvement is to switch the DESI from a market cap weighting to a fundamental based index keyed off of revenue.

"From an investor perspective, the benefits of moving to a fundamental based index are an emphasis on the importance of sustained revenue growth and a reduction in index volatility by shaving speculative peaks and troughs," stated Thomas Brunetto, DEFG Managing Partner. "This change translates to a 10-point improvement of stable performance over the past year as compared to the market cap weighted DESI."

Other announced changes to the DESI include:

— The six DESI segments have been redefined to reflect the growing importance of end use technologies, e.g., lighting or smart appliances, and control technologies.

— Listed companies with recent IPOs can now be included in the DESI after one month.

— The number of DESI companies has been increased to 42.

DEFG is seeking partners to list the DESI as an exchange-traded fund or to create other financial products using the DESI.

"Since we launched the DESI in July 2005, the DESI has recorded a 46 percent gain as a revenue weighted index, outperforming other benchmark indices by a wide margin," concluded Tom Brunetto. "We expect continued strong performance through 2007."

DEFG (C) 2007. Through the issuance of this press release, DEFG is not giving investment advice or any other advice.