Altair Nanotechnologies Announces Second Quarter Financial Results Conference Call

Altair Nanotechnologies, Inc. (NASDAQ: ALTI) announced today that it will hold a conference call to discuss financial results for its second quarter ended June 30, 2005. The call will be held Friday, August 12, 2005, at 11:00 a.m. Eastern Daylight Time. Shareholders and members of the investment community are invited to participate in the conference call.

The conference call dial-in number for both U.S. and international callers is 973. 935. 2981. Please dial into the conference 5 minutes before the call is scheduled to begin. A replay of the conference call will be available from August 12 through August 19, 2005, and can be accessed by dialing 877 519 4471 and entering conference number 6338976.

Additionally, the conference call is being webcast by ViaVid Communications and can be accessed by visiting http://viavid.net/dce.aspx?sid=000027D6 or Altair's web site, www.altairnano.com.

ALTAIR NANOTECHNOLOGIES, INC.

Altairnano is a leading supplier and innovator of advanced ceramic nanomaterial technology. Based in Reno, Nevada, Altairnano has assembled a unique team of materials scientists who, coupled in collaborative ventures with industry partners and leading academic centers, have pioneered an array of intellectual property and products.

Altairnano's robust proprietary technology platforms produce a variety of crystalline and non-crystalline nanomaterials of unique structure, performance, quality and cost. The company has scalable manufacturing capability to meet emerging nanomaterials demands, with the production capacity of hundreds of tons of nanomaterials.

Altairnano's two divisions, Life Sciences and Performance Materials, are focused on applications where its nanotechnology may enable new high growth markets. The Life Sciences Division is pursuing market applications in pharmaceuticals, drug delivery, dental materials and other medical markets. The Performance Materials Division is focused on market applications in advanced materials for paints and coatings; air and water treatment and alternative energy including new Li Ion battery electrode materials. For additional information on Altairnano and its nanomaterials, visit www.altairnano.com.

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

Distributed by Market Wire