Altairnano Lithium Titanate Energy Storage System Commissioned at Vestas Wind Farm

Altairnano Lithium Titanate Energy Storage System Commissioned at Vestas Wind 
1.2 Megawatt ALTI-ESS Battery System Will Power Demonstration Project
for Danish Wind Turbine Manufacturer 
RENO, NV -- (Marketwire) -- 03/21/13 --   Altair Nanotechnologies,
Inc. (Altairnano) (NASDAQ: ALTI) has commissioned a 1.2 megawatt (MW)
ALTI-ESS lithium-titanate battery system at a Danish wind farm
supplied by Vestas Wind Systems A/S (Vestas), a global leader in wind
power. The demonstration project is one of several initiatives
currently using Altairnano's energy storage technology to advance
renewable power integration.  
Headquartered in Aarhus, Denmark, Vestas is the world's leading
producer of wind turbines, having installed 47,000 turbines in 67
countries across five continents. Altairnano's system was installed
at a wind farm in western Denmark -- a windy region with abundant
renewable power potential. The project -- Vestas' second energy
storage demonstration effort -- will seek to show the synergy of wind
power and battery energy storage in today's global renewables
For Altairnano, entering Vestas' demonstration program is an
opportunity to spotlight its energy storage solutions and demonstrate
the ALTI-ESS's superior power, cycle life,
 and system performance.
Altairnano recognizes the global importance of renewable energy and
the value that advanced energy storage can supply to companies like
"Lithium titanate-based energy storage can contribute significantly
to the integration of wind power, especially in the area of power
system stabilization," said Alexander Lee, chief executive officer of
Altairnano. "We are confident that our work with Vestas will further
validate the benefits of energy storage for wind power operators and
"For phase two of our demonstration project, Altairnano was selected
because of its overall system design in the megawatt scale, and the
good fit between storage media performance and our application," said
Dr. Philip C. Kjaer, chief specialist at Vestas.  
The ALTI-ESS system was first launched in the U.S. in 2008, has more
than 4 years of commercial operation providing frequency regulation.
Measurements taken at the time of installation, end of year one and
end of year two validated that the battery performance is consistent
with the expected life of more than 20 years operating 24 hours a
day, seven days a week. 
For more information on ALTI-ESS and Altairnano's other advanced
energy storage solutions, please visit 
About Altairnano, Inc. 
 Altairnano is a leading provider of
high-power, energy storage systems for the electric grid, industrial
equipment and transportation markets. The company's lithium titanate
technology is built on a proprietary nano-scale processing technology
that creates high-power, rapid-charging battery systems with
industry-leading performance and cycle life. Altairnano is
headquartered in Reno, Nevada and maintains operations in Anderson,
Indiana; Zhuhai, China; and Wu'an, China. For additional information,
please visit:  
Forward-Looking Statement
 This release may contain forward-looking
statements as well as historical information. Forward-looking
statements, which are included in accordance with the "safe harbor"
provisions of the Private Securities Litigation Reform Act of 1995,
may involve risks, uncertainties and other factors that may cause
Altairnano's actual results and performance in future periods to be
materially different from any future results or performance suggested
by the forward-looking statements in this release. These risks and
uncertainties include, without limitation, the risks that the order
for the advanced battery system may not be completed because of
technical, political, financial or other reasons; that even if the
battery system is installed, it may not perform as expected for
reasons related to the battery system, the power station into which
it is installed, operational or maintenance failures or other
reasons. In addition, other risks are identified in Altairnano's most
recent Annual Report on Form 10-K and Annual Report on Form 10-Q
filed with the SEC. Such forward-looking statements speak only as of
the date of this release. Altairnano expressly disclaims any
obligation to update or revise any forward-looking statements found
herein to reflect any changes in Altairnano expectations or results
or any change in events. 
Erin Witt
Altairnano, Inc.
(317) 509-5968 
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