CERTIFICATION
OF CHIEF EXECUTIVE OFFICER PURSUANT TO RULE 13(a)-14(a)/15d-14(a)
OF
 THE
SECURITIES EXCHANGE ACT OF 1934, AS ADOPTED PURSUANT TO SECTION 302 OF THE
SARBANES-OXLEY ACT OF 2002
 
 I, James
K. B. Hesketh, certify that:
 
 1.           I
have reviewed this annual report on Form 20-F of Atna Resources
Ltd.;
 
 2.           Based
on my knowledge, this report does not contain any untrue statement of a material
fact or omit to state a material fact necessary to make the statements made, in
light of the circumstances under which such statements were made, not misleading
with respect to the period covered by this report;
 
 3.           Based
on my knowledge, the financial statements, and other financial information
included in this  report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as
of, and for, the period presented in this report;
 
 4.           The
registrant’s other certifying officer(s) and I are responsible for establishing
and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for
the company and have:
  a) Designed
such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervision, to ensure that material
information relating to the registrant, including its consolidated subsidiaries,
is made known to us by others within those entities, particularly during the
period in which this report is being prepared;
  b)           Designed
such internal control over financial reporting , or caused such internal control
over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;
  c)           Evaluated
the effectiveness of the registrant’s disclosure controls and procedures and
presented in this report our conclusions 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 in the registrant’s internal control over financial
reporting that occurred during the registrant’s fourth quarter that has
materially affected, or is reasonably likely to materially affect, the
registrant’s internal control over financial reporting;
 
 5.           The
registrant’s other certifying officer(s) and I have disclosed, based on our most
recent evaluation of internal control over financial reporting, to the
registrant’s auditors and the audit committee of the registrant’s board of
directors (or persons performing the equivalent functions):
 
 a)           All
significant deficiencies and material weaknesses in the design or operation of
internal control over financial reporting which are reasonably likely to
adversely affect the registrant’s ability to record, process, summarize and
report financial information; and
 
 b)           Any
fraud, whether or not material, that involves management or other employees who
have a significant role in the registrant’s internal control over financial
reporting.
   
 /s/
      James K. B. Hesketh
              
              Date: April
      28, 2010James
      K. B. Hesketh, Chief Executive Officer
 
  
  CERTIFICATION
OF CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13(a)-14(a)/15d-14(a)
OF
 THE
SECURITIES EXCHANGE ACT OF 1934, AS ADOPTED PURSUANT TO SECTION 302 OF THE
SARBANES-OXLEY ACT OF 2002
 
 I, David
P. Suleski, certify that:
 
 1.           I
have reviewed this annual report on Form 20-F of Atna Resources
Ltd.;
 
 2.           Based
on my knowledge, this report does not contain any untrue statement of a material
fact or omit to state a material fact necessary to make the statements made, in
light of the circumstances under which such statements were made, not misleading
with respect to the period covered by this report;
 
 3.           Based
on my knowledge, the financial statements, and other financial information
included in this  report, fairly present in all material respects the
financial condition, results of operations and cash flows of the registrant as
of, and for, the period presented in this report;
 
 4.           The
registrant’s other certifying officer(s) and I are responsible for establishing
and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for
the company and have:
  a) Designed
such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervision, to ensure that material
information relating to the registrant, including its consolidated subsidiaries,
is made known to us by others within those entities, particularly during the
period in which this report is being prepared;
  b)           Designed
such internal control over financial reporting , or caused such internal control
over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;
  c)           Evaluated
the effectiveness of the registrant’s disclosure controls and procedures and
presented in this report our conclusions 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 in the registrant’s internal control over financial
reporting that occurred during the registrant’s fourth quarter that has
materially affected, or is reasonably likely to materially affect, the
registrant’s internal control over financial reporting;
 
 5.           The
registrant’s other certifying officer(s) and I have disclosed, based on our most
recent evaluation of internal control over financial reporting, to the
registrant’s auditors and the audit committee of the registrant’s board of
directors (or persons performing the equivalent functions):
 
 a)           All
significant deficiencies and material weaknesses in the design or operation of
internal control over financial reporting which are reasonably likely to
adversely affect the registrant’s ability to record, process, summarize and
report financial information; and
 
 b)           Any
fraud, whether or not material, that involves management or other employees who
have a significant role in the registrant’s internal control over financial
reporting.
   /s/
      David P. Suleski
              
              Date:
      April 28, 2010David
      P. Suleski, Chief Financial Officer