Uranium Resources Announces Fourth Quarter and Year-End 2007 Earnings Teleconference and Webcast

Uranium Resources, Inc. (NasdaqGM:URRE – News) (“URI”), a uranium exploration and mining company with resources in Texas and New Mexico, announced today that it has scheduled a teleconference and webcast for Monday, March 17, 2008, at 1:30 PM Eastern Time. The Company will issue its earnings release for the fourth quarter and year-end 2007 on March 17, 2008, before the market opens.

During the teleconference, Dave Clark, President and Chief Executive Officer, will review the financial and operating results for the quarter and year-end and will provide an update on URI’s operations, its corporate strategy and outlook. A question-and-answer session will follow.

The URI teleconference can be accessed in the following ways:

— The live webcast can be found at http://www.uraniumresources.com. Participants should go to the website 10-15 minutes prior to the scheduled conference in order to register and download any necessary

audio software.

— The teleconference can be accessed by dialing 1-201-689-8562
approximately 10 minutes prior to the call.

To listen to the archived call:

— The archived webcast will be accessible at http://www.uraniumresources.com.
A transcript will also be posted, once available.

— The teleconference can be accessed by dialing 1-201-689-8562
approximately 10 minutes prior to the call.

A replay can also be heard by calling 1-201-612-7415 and entering the account number 3055 and reference ID number 277948. The telephonic replay will be available from 4:30 p.m. ET the day of the teleconference until 11:59 p.m. on March 24, 2008.

ABOUT URANIUM RESOURCES, INC.

Uranium Resources Inc. explores for, develops and mines uranium. Since it’s incorporation in 1977, URI has produced over 7 million pounds of uranium by in-situ recovery (ISR) methods in the state of Texas where the Company currently has ISR mining projects. URI also has 183,000 acres of uranium mineral holdings and almost 100 million pounds of uranium in New Mexico. The Company acquired these properties over the past 20 years along with an extensive information database. URI’s strategy is to capitalize on the strong global market for uranium by fully exploiting its resource base in Texas and New Mexico, acquiring new assets and through joint ventures or partnerships.

Safe Harbor Statement This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are subject to risks, uncertainties and assumptions and are identified by words such as “expects,” “estimates,” “projects,” “anticipates,” “believes,” “could,” and other similar words. All statements addressing operating performance, events, or developments that the Company expects or anticipates will occur in the future, including but not limited to statements relating to the Company’s reserves and mineralized uranium materials, timing of receipt of mining permits, production capacity of mining operations planned for properties in South Texas and New Mexico, planned dates for commencement of production at such properties, revenue, cash generation and profits are forward-looking statements. Because they are forward-looking, they should be evaluated in light of important risk factors and uncertainties. These risk factors and uncertainties include, but are not limited to, the spot price of uranium, weather conditions, operating conditions at the Company’s mining projects, government regulation of the mining industry and the nuclear power industry, worldwide uranium supply and demand, availability of capital, timely receipt of mining and other permits from regulatory agents and other factors which are more fully described in the Company’s documents filed with the Securities and Exchange Commission. Should one or more of these risks or uncertainties materialize, or should any of the Company’s underlying assumptions prove incorrect, actual results may vary materially from those currently anticipated. In addition, undue reliance should not be placed on the Company’s forward-looking statements. Except as required by law, the Company disclaims any obligation to update or publicly announce any revisions to any of the forward-looking statements contained in this press release.

Contact:

Uranium Resources, Inc. David N. Clark, President & Chief Executive Officer

361-883-3990

Kei Advisors LLC James M. Culligan, Vice President

716-843-3874

Source: Shareholder.com; Uranium Resources, Inc.