Conference Call Friday, June 19, 2009, to Discuss U.S. Geothermal's 2008 Year End Results

Market Wire, June, 2009

U.S. Geothermal Inc. (TSX: GTH)(NYSE Amex: HTM) will host a telephone conference call for investors and analysts on Friday, June 19, 2009 at 4:30 p.m. EDT (2:30 p.m. MDT) to discuss Year End 2008 Financials, which were filed on June 15, 2009.

The conference call may be accessed by dialing (877) 407-0778 in Canada and the United States, or (201) 689-8565 internationally. A simultaneous webcast of the conference call will be provided through http://www.investorcalendar.com/IC/CEPage.asp?ID=146538 .

U.S. Geothermal Inc., a renewable energy company focused on the production of electricity from geothermal energy, owns and operates geothermal power plants at Raft River, Idaho and San Emidio, Nevada, and is developing the Neal Hot Springs project in Oregon.

Contacts: U.S. Geothermal Inc. Saf Dhillon Investor Relations 866-687-7059 604-688-9895 (FAX) saf@usgeothermal.com www.usgeothermal.com