ADA-ES, Inc. ("ADA") supplies Activated Carbon Injection ("ACI") systems for mercury control, Dry Sorbent Injection ("DSI") systems for acid gases, and technology services and other offerings in support of our customers' emissions compliance strategies. ADA's M-Prove™ technology, which reduces emissions of mercury and other metals from PRB coal, is applied directly to coal at power plants, or offered through a licensing agreement with Arch Coal for application at their mines. In addition, we are developing technologies to advance cleaner energy, including CO2 emissions control technologies through projects funded by the U.S. Department of Energy ("DOE") and industry participants.

Clean Coal Solutions, LLC ("CCS") is a 42.5% owned joint venture by ADA that provides ADA's patented Refined Coal ("RC") CyClean™ technology to enhance combustion of and reduce emissions of NOx and mercury from coals in cyclone boilers and ADA's patent pending M-45™ and M-45-PC™ technologies for Circulating Fluidized boilers and Pulverized Coal boilers respectively.

Advanced Clean Energy Solutions, LLC ("ACES") is a wholly-owned subsidiary of ADES that is focused on supporting and improving the Company's existing products and identifying, developing and commercializing new solutions to advance cleaner energy and to help our customers meet existing and future regulatory and business challenges. Building off the success of M-45™ and M-45-PC™ technologies for Refined Coal, ACES is currently working to develop and commercialize new technologies to reduce a range of emissions associated with power generation. ACES has assembled a strong team and follows a rigorous process focused on development and maximizing the return on investment.