March 04, 2015

TRADING SYMBOLS - United States (NYSE MKT): HTM, Canada (TSX): GTH

U.S. Geothermal Inc. to Discuss 2014 Year End Earnings Results on March 17th

BOISE, IDAHO � U.S. Geothermal Inc. (NYSE MKT: HTM, TSX: GTH) plans to release its 2014 Year End financial results on Monday March 16th after the market close. Management will present the results during a telephone conference call for investors and analysts on Tuesday March 17th at 11:00 a.m. ET (9:00 a.m. MT). At the same time, the company will provide guidance for 2015 financial performance.

The conference call may be accessed by dialing (877) 407-8133 in the United States and Canada, or (201) 689-8040 internationally. A simultaneous webcast of the conference call will be provided through: http://www.investorcalendar.com/IC/CEPage.asp?ID=173709

Please visit our Website at: http://www.usgeothermal.com

About U.S. Geothermal Inc.:
U.S. Geothermal Inc. is a leading & profitable renewable energy company focused on the development, production and sale of electricity from geothermal energy. The company is currently operating geothermal power projects Neal Hot Springs, Oregon, San Emidio, Nevada and Raft River, Idaho for a total power generation of approximately 45MW�s. The company is also developing a project at the Geysers, California, a second phase project at San Emidio, as well as El Ceibillo, an advanced stage, geothermal prospect located within a 24,710 acre (100sq km) energy rights concession area located 8.5 miles (14 km) from Guatemala City, the largest city in Central America. U.S. Geothermal�s growth strategy is to get to 100MW�s of production by 2020, through a combination of organic developments along with strategic acquisitions.

FOR ADDITIONAL INFORMATION PLEASE CONTACT:
Saf Dhillon - Investor Relations
U.S. Geothermal Inc.
Tel: 866-687-7059
Fax: 208-424-1030
saf@usgeothermal.com

The information provided in this news release may contain forward-looking statements within the definition of the Safe Harbor provisions of the US Private Securities Litigation Reform Act of 1995. These statements are based on U.S. Geothermal Inc.�s current expectations and beliefs and are subject to a number of risks and uncertainties that can cause actual results to differ materially from those described, including but not limited to, the results from the exploration, production and injection well drilling at San Emidio. Readers are cautioned to review the risk factors identified by the company in its filings with Canadian and US securities agencies. Forward-looking statements are based on management�s expectations, beliefs and opinions on the date the statements are made. U.S. Geothermal Inc. assumes no obligation to update forward-looking statements if management�s expectations, beliefs, or opinions, or other factors, should change.

The NYSE MKT and the TSX do not accept responsibility for the adequacy of this release.