ADA-ES Schedules 2013 First Quarter Financial Results News Release and Conference Call

ADA-ES Schedules 2013 First Quarter Financial Results News Release and
Conference Call

ADA-ES to Participate in Two Upcoming Investor Conferences

HIGHLANDS RANCH, Colo., April 30, 2013 (GLOBE NEWSWIRE) -- ADA-ES, Inc.
(Nasdaq:ADES) ("ADA" or the "Company") today announced that it will issue its
financial results for the first quarter ended March 31, 2013 on Wednesday, May
8th, 2013 after the stock markets close. Michael Durham, President & CEO, and
Mark McKinnies, Senior VP & CFO, will conduct a conference call focusing on
the financial results and business activities that afternoon at 5:00 pm ET:

  *(877) 709-8150 (Domestic)
  *(201) 689-8354 (International)

The conference call will also be webcast live via the "Investor Information"
section at www.adaes.com.

The Company will participate in the following investor conferences:

  *Deutsche Bank Securities 2013 dbAccess Clean Tech, Utilities & Power
    One-on-One Conference on May 13^th
  *Brean Capital 2013 Global Resources & Infrastructure Conference on May
    20^th

A copy of the slides to be used at these events will be available via the
Investor Information section of www.adaes.com on or before May 13 2013, and
will also be filed on Form 8-K with the Securities and Exchange Commission.

About ADA

ADA is a leader in clean coal technology and the associated specialty
chemicals, serving the coal-fueled power plant industry. Our proprietary
environmental technologies and specialty chemicals enable power plants to
enhance existing air pollution control equipment, minimize mercury, CO[2 ]and
other emissions, maximize capacity, and improve operating efficiencies to meet
the challenges of existing and pending emission control regulations.

With respect to mercury emissions:

  *Through our consolidated subsidiary, Clean Coal Solutions, LLC ("CCS"), we
    provide our patented Refined Coal ("RC") CyClean™ technology to enhance
    combustion of and reduce emissions of NOx and mercury from coals in
    cyclone boilers and our patent pending M-45™ and M-45-PC™ technologies for
    Circulating Fluidized Boilers and Pulverized Coal boilers, respectively.
  *We supply Activated Carbon Injection ("ACI") and Dry Sorbent Injection
    ("DSI") systems, mercury measurement instrumentation, and related
    services.
  *Under an exclusive development and licensing agreement with Arch Coal, we
    are developing and commercializing an enhanced PRB coal with reduced
    emissions of mercury and other metals.

In addition, we are developing CO[2] emissions technologies under projects
funded by the U.S. Department of Energy ("DOE") and industry participants.

The conference call referenced in this press release will include
forward-looking statements within the meaning of Section 21E of the Securities
Exchange Act of 1934, which provides a "safe harbor" for such statements in
certain circumstances. The forward-looking statements may include statements
or expectations regarding future contracts, projects, demonstrations and
technologies; amount and timing of production of RC, revenues, earnings, cash
flows and other financial measures; future operations; our ability to
capitalize on and expand our business to meet opportunities in our target
markets and profit from our proprietary technologies; scope, timing and impact
of current and anticipated regulations, legislation and IRS guidance; future
supply and demand; the ability of our technologies to assist our customers in
complying with government regulations and related matters.These statements
are based on current expectations, estimates, projections, beliefs and
assumptions of our management. Such statements involve significant risks and
uncertainties. Actual events or results could differ materially from those
discussed in the forward-looking statements as a result of various factors,
including but not limited to, changes in laws, regulations and IRS
interpretations or guidance, government funding, accounting rules, prices,
economic conditions and market demand; timing of laws, regulations and any
legal challenges to or repeal of them; failure of the RC facilities to produce
coal that qualifies for tax credits; termination of or amendments to the
contracts for RC facilities; decreases in the production of RC; failure to
lease or sell the remaining RC facilities on a timely basis; inability to
commercialize the new M-45-PC ^TM technology on favorable terms; availability,
cost of and demand for alternative tax credit vehicles and other technologies;
technical, start-up and operational difficulties; availability of raw
materials and equipment; loss of key personnel; impact of competition;our
inability to ramp up operations to effectively address expected growth in our
target markets; intellectual property infringement claims from third parties;
seasonality and other factors discussed in greater detail in our filings with
the Securities and Exchange Commission (SEC). You are cautioned not to place
undue reliance on such statements and to consult our SEC filings for
additional risks and uncertainties that may apply to our business and the
ownership of our securities. Our forward-looking statements are presented as
of the date made, and we disclaim any duty to update such statements unless
required by law to do so.

CONTACT: Graham Mattison
         Vice President, Investor Relations
         (646) 319-1417
         graham.mattison@adaes.com
         www.adaes.com

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