20 June 2002

To Whom It May Concern

Dear Sirs:

Subject: Fern Engineering

I have had a professional relationship with Fern Engineering for several years. I am the Managing Director for the Combustion Turbine and Combined Cycle Users Organization (CTC2). CTC2 is a group of international gas turbine operators who join together to fund engineering solutions for operational and maintenance issues that they face in power production. Fern Engineering has been a valuable contractor for our group and has completed several engineering reports and studies of excellent quality. These projects have included evaluating heat recovery steam generators in cycling service, determination of the economic repair of compressor blading, and a survey and evaluation of performance monitoring software just to name a few. I will continue to use this firm for our project work.

An additional relationship that we have with Fern Engineering is as an Affiliate Member of CTC2. The Affiliate Member program was started in 2000 and Fern was invited to be a charter member. This invitation is only extended by the members to those vendors and service providers to the gas turbine industry who have proven their expertise and reliability by their past performance. Fern ranks as one of the top engineering firms providing service to our members. I highly recommend them for any of your power engineering needs where they have demonstrated capability.

Sincere regards,

LOCKWOOD GREENE

Doug Vandergriff
Vice President

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