**Exhibit 31.1**

 

## **Certification of Chief Executive Officer**

**Pursuant to Section 302 of theSarbanes-Oxley Act of 2002**

 

I, Donald C. Ewigleben,certify that:

 

1.                                       I have reviewed this report on Form 10-Q****of Uranium Resources, Inc.;

 

2.                                       Based on my knowledge, this report doesnot contain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.                                       Based on my knowledge, the financialstatements, and other financial information included in this report, fairlypresent in all material respects the financial condition, results of operationsand cash flows of the issuer as of, and for, the periods presented in thisreport;

 

4.                                       The issuer’s other certifying officersand I are responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e))  and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the issuer and have:

 

(a)  Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theissuer, including its consolidated subsidiaries, is made known to us by otherswithin those entities, particularly during the period in which this report isbeing prepared;

 

(b)  Designed such internal control overfinancial reporting, or caused such internal control over financial reportingto be designed under our supervision, to provide reasonable assurance regardingthe reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally acceptedaccounting principles;

 

(c)  Evaluated the effectiveness of theissuer’s disclosure controls and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls and procedures,as of the end of the period covered by this report based on such evaluation;and

 

(d)  Disclosed in this report any change inthe issuer’s internal control over financial reporting that occurred during theissuer’s most recent fiscal quarter (the issuer’s fourth fiscal quarter in thecase of an annual report) that has materially affected or is reasonably likelyto materially affect, the issuer’s internal control over financial reporting;and

 

5.                                       The issuer’s other certifying officersand I have disclosed, based on our most recent evaluation of internal controlover financial reporting, to the issuer’s auditors and the audit committee ofissuer’s board of directors (or persons performing the equivalent functions):

 

(a)  All significant deficiencies andmaterial weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect theissuer’s ability to record, process, summarize and report financialinformation; and

 

(b)  Any fraud, whether or not material,that involves management or other employees who have a significant role in theissuer’s internal control over financial reporting.

 

 

Date: May 10, 2010

 

 
|   | /s/ Donald C. Ewigleben                             |
|--------|-----------------------------------------------------|
|   | Title:  President  and Chief Executive Officer |

 

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