Mr. Andrew Bloom ESCO Energy Services Company 309 Pittsfield Road Lenox, MA 01240 Dear Mr. Bloom: On behalf of our facility management team, I would like to express our complete satisfaction with the outstanding job that you and your team did for our lighting retrofit project. We are all very impressed with the manner in which your team managed the complete installation with no disruption or delay to our workflow. The flexibility in your schedule and excellent execution of your project plan significantly contributed to the success of this project. Please pass along to your team our appreciation for the sacrifice that they made during the holidays to compress the project schedule. While we are enjoying a much brighter working environment in our warehouse we are looking forward to significant energy cost savings. energy savings project. Thank you for educating and guiding us through this energy savings project. Based on this excellent experience with your company, I would enthusiastically recommend ESCO to anyone who is considering a lighting cost reduction project. Sincerely yours, Corinna Mossberg Contract Manager Otis Elevator Company