SOURCE: Altair Nanotechnologies

April 28, 2005 10:10 ET

Altair Nanotechnologies, Inc. Announces First Quarter Financial Results Conference Call

RENO, NV -- (MARKET WIRE) -- April 28, 2005 -- Altair Nanotechnologies, Inc. (NASDAQ: ALTI) announced today that it will hold a conference call to discuss financial results for its first quarter ended March 31, 2005. The call will be held Thursday, May 12 at 11:00 a.m. Eastern. Shareholders and members of the investment community are invited to participate in the call.

The conference call dial-in number for U.S. callers is 888.245.7013 and the dial-in number for international callers is 973.582.2732. Please dial into the conference 10 minutes before the call is scheduled to begin. As lines are limited, please RSVP your participation by calling Suzanne Schnitzer at McCloud Communications, 949.553.9748. A replay of the conference call will be available from May 12 through May 19, 2005 and can be accessed by dialing 877.519.4471 and entering conference number 5998787.

Additionally, conference call is being webcast by ViaVid Communications and can be accessed by visiting www.viavid.net/detailpage.aspx?sid=000024F0 or Altair's web site, www.altairnano.com.

ALTAIR NANOTECHNOLOGIES INC.

Altair Nanotechnologies, through product innovation, is a leading supplier of advanced ceramic nanomaterial technology worldwide. Altair Nanotechnologies has assembled a unique team of material scientists who, coupled with collaborative ventures with industry partners and leading academic centers, has pioneered an impressive array of intellectual property and product achievements.

Altair Nanotechnologies has developed robust proprietary technology platforms for manufacturing a variety of crystalline and non-crystalline nanomaterials of unique structure, performance, quality and cost. The company has a scalable manufacturing capability to meet emerging nanomaterials demands, with capacity today to produce hundreds of tons of nanomaterials.

The company is organized into two divisions: Life Sciences and Performance Materials. The Life Sciences Division is pursuing market applications in pharmaceuticals, drug delivery, dental materials, cosmetics and other medical markets. The Performance Materials Division is pursuing market applications in Advanced Materials for paints and coatings; titanium metal manufacturing, catalysts and water treatment; and alternative energy. For additional information on Altair and its nano-materials, visit www.altairnano.com

Altairnano™, Altair Nanotechnologies, Inc.®, Altair Nanomaterials™, Altairnano™ TiNano®, RenaZorb™, NanoCheck™, TiNano Spheres™ and the Hydrochloride Pigment Process™ are trademarks or registered trademarks of Altair Nanotechnologies, Inc.

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