ABOUT ESG

Energy Systems Group (ESG) is:

• An award-winning and premier energy services and performance contracting company
• A nationally accredited leader in facility improvement and energy efficiency programs
• A team dedicated to rejuvenating and enhancing customer facilities and using the resulting energy and operational savings to pay for these improvements

ESG delivers these facility and operational improvements through our commitment to:

• Delivering innovative solutions that increase comfort and productivity of our client partners while reducing their energy and operation costs
• Applying leading edge and proven technologies that preserve and improve the environments in which we live and work
• Structuring flexible and customized project financing options that maximize results and allow our customers to focus on their core mission.

Energy Systems Group is a wholly-owned subsidiary of Vectren Corporation (NYSE: VVC). To learn more about Vectren Corporation, visit www.vectren.com.