January 2008

Mr. Keith Boye
Precision Iceblast Corporation

Re: PIC model 56

Dear Keith:

Mountain Pass Services recent purchase of Precision Iceblast Corporation’s PIC MODEL 56
portable ice blasting machine was indeed one of the best equipment purchases we have ever
made.

This unit was purchased on extremely short notice for a difficult cleaning job at a remote
customer facility in the Yucatan peninsula. Precision Iceblast Corporation’s responsiveness in getting the unit shipped to us was commendable and greatly appreciated helping MPS to
exceed it’s customer’s delivery expectations.

The greatest surprise came once the unit was unpacked, set up and commissioned at the job site. The engineering, design, and quality of craftsmanship of the PIC MODEL 56 became immediately apparent.

The design of the unit is extremely compact, efficient, and simple while being highly effective. The high quality of components designed and chosen to hold up in the most hostile and rigorous of conditions will ensure many years of trouble free operation. I also commend Precision Iceblast Corporation for the high quality craftsmanship in construction and assembly of this unit.

The manual was very well written and put together in an effective presentation format.
Operational and maintenance information was presented in a very concise and easy to
understand manner, in short exceptional. After reading the manual I was immediately able to
proficiently operate the model 56.

Also worthy of recognition are Precision Iceblast Corporation’s personnel for their
professionalism and experience with difficult cleaning projects. Their can do/will do attitude was refreshing.

I would not hesitate to give my highest recommendation of Precision Iceblast Corporation’s
equipment or services in the future, and please feel free to use me as a reference anytime.

Thanks again.

Very best regards,

Eduardo Guerrero
President
Mountain Pass Services