The Electric Drive Transportation Association (EDTA) is pleased to welcome American Electric Power and Altair Nanotechnologies as its newest members.

American Electric Power, Altair Nanotechnologies Join EDTA

May 22, 2007—Washington, DC—The Electric Drive Transportation Association (EDTA) is pleased to welcome American Electric Power and Altair Nanotechnologies as its newest members. EDTA, the trade association representing battery, hybrid and fuel cell electric drive technologies and infrastructure, provides public policy advocacy, education, industry networking, and international conferences and exhibitions. EDTA's membership includes automotive and other equipment manufacturers, electric utilities, technology developers, component suppliers, and government agencies.

"The diversity of the electric drive industry mirrors the versatility of the technology itself and the numerous visions for its use in transportation." says EDTA President Brian Wynne. "Our members come from different business sectors, but they share a common vision of the enormous value and environmental benefits that electric drive transportation can provide."

"AEP expects electric drive to have a significant impact on our business, and we are determined to be ready for that impact," says Larry Dickerman, Director of Distribution Engineering Services for AEP. "We look forward to working with the other utilities in EDTA, and association members from other business sectors, as we explore options relating to electrifying transportation. This is an area that will help us fulfill our sustainability goals as both a fleet owner and an energy provider."

"Membership in EDTA gives us access to the major players in this growing industry," says Robert Goebel, Vice President, Sales and Marketing for Altairnano. "We look forward making a strong contribution to the advancement of electric drive as it enters mainstream markets."

About American Electric Power (AEP):
American Electric Power is one of the largest electric utilities in the United States, delivering electricity to more than 5 million customers in 11 states. AEP ranks among the nation's largest generators of electricity, owning nearly 38,000 megawatts of generating capacity in the U.S. AEP also owns the nation's largest electricity transmission system, a nearly 39,000-mile network that includes more 765 kilovolt extra-high voltage transmission lines than all other U.S. transmission systems combined. AEP's transmission system directly or indirectly serves about 10 percent of the electricity demand in the Eastern Interconnection, the interconnected transmission system that covers 38 eastern and central U.S. states and eastern Canada, and approximately 11 percent of the electricity demand in ERCOT, the transmission system that covers much of Texas. AEP's utility units operate as AEP Ohio, AEP Texas, Appalachian Power (in Virginia and West Virginia), AEP Appalachian Power (in Tennessee), Indiana Michigan Power, Kentucky Power, Public Service Company of Oklahoma, and Southwestern Electric Power Company (in Arkansas, Louisiana and east Texas). AEP's headquarters are in Columbus, Ohio. For more information, visit www.aep.com.

About Altair Nanotechnologies:
Altairnano is an innovator and supplier of advanced novel, ceramic nanomaterials which are used in products that exhibit ground breaking performance. A seasoned management team complements Altairnano's leading edge scientists, with substantial experience in commercializing innovative, disruptive technologies. The company has developed nanomaterials for the alternative energy, life sciences and performance materials markets based on its proprietary manufacturing process. This process also provides the foundation for its innovative AHP pigment process. For more information visit www.altairnano.com.

About EDTA:
The Electric Drive Transportation Association (EDTA) is the trade association representing battery, hybrid and fuel cell electric drive technologies and infrastructure. EDTA conducts public policy advocacy, education, industry networking, and international conferences. EDTA's membership includes automotive and other equipment manufacturers, technology developers, component suppliers, and government agencies. For more information about EDTA and its members, visit www.electricdrive.org.

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