ADA-ES to Present at Noble Financial Capital Markets Fifth Annual Equity Conference...

ADA-ES to Present at Noble Financial Capital Markets Fifth Annual Equity
Conference On Monday, June 8th

LITTLETON, Colo., June 1, 2009 (GLOBE NEWSWIRE) -- ADA-ES, Inc. (Nasdaq:ADES)
today announced that Michael D. Durham, Ph.D., President and CEO, will present
at the Noble Financial Capital Markets Fifth Annual Equity Conference on Monday,
June 8, 2009 at 11:00 am ET in Hollywood, Florida.

The webcast of the presentation will be live via the Investor Information
section of the Company's website at www.adaes.com. If you are unable to listen
live, the webcast will be archived on the website. Additionally, the
presentation slides will be available on ADA's website and filed as a Current
Report on Form 8-K with the U.S. Securities and Exchange Commission on June 8,
2009.

About ADA-ES

ADA-ES is a leader in clean coal technology and the associated specialty
chemicals. The Company develops and implements proprietary environmental
technology and specialty chemicals that enable coal-fueled power plants to
enhance existing air pollution control equipment, maximize capacity and improve
operating efficiencies. Through its largest and fastest-growing segment, Mercury
Emission Control, ADA-ES supplies activated carbon injection systems, activated
carbon (AC), mercury measurement instrumentation, and related services. To meet
the needs of the power industry for mercury control, the Company is developing
state-of-the-art facilities to produce AC with the first plant projected to come
on-line in 2010. Additionally, the Company is developing technologies for power
plants to address issues related to the emissions of carbon dioxide.

This press release contains and the referenced presentations will contain
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 will include statements
relating to coal; future bids, contracts, projects, project funding and
revenues; the AC production facility the Company is building and its ability to
supply AC; the likelihood, timing and impact of new laws and court rulings on
the Company's target markets; and anticipated sizes of and growth in its target
markets. 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 the costs and timing
of construction of the planned AC facility; failure to raise additional equity
financing needed for the facility; failure to satisfy funding or other
conditions in the joint venture agreement for the facility; inability to sign or
close acceptable debt financing, construction or off-take agreements with
respect to the facility in a timely manner; availability of raw materials and
treatment and storage facilities; changes in laws or regulations, prices,
economic conditions and market demand; impact of competition and litigation;
availability, cost of and demand for alternative energy sources; operational
difficulties; availability of skilled personnel 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 our forward-looking statements
and to consult filings we make with the SEC 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.

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CONTACT: ADA-ES, Inc.
Michael D. Durham, Ph.D., MBA, President
Mark H. McKinnies, Senior VP & CFO
(303) 734-1727
www.adaes.com

The Equity Group Inc.
Investor Relations Counsel
Melissa Dixon
(212) 836 9613
MDixon@equityny.com
Linda Latman
(212) 836-9609
LLatman@equityny.com
www.theequitygroup.com