RENO, Nev.--(BUSINESS WIRE)--Altair Nanotechnologies Inc. (Nasdaq: ALTI) announces that it will hold a conference call to discuss financial results for the first quarter ended March 31, 2008. The call is scheduled for Wednesday, May 7, 2008 at 11:00 a.m. Eastern Daylight Time (EDT). Shareholders and members of the investment community are invited to participate in the conference call.