Exhibit 12.1
 Certification
Pursuant to Section 302
The Sarbanes-Oxley Act of 2002
  1.
    
    I have reviewed this Annual Report on Form 20-F for the fiscal year ended June 30, 2010
(Annual Report) of Novogen Limited (the Company);2.
    
    Based on my knowledge, this Annual 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 Annual Report;3.
    
    Based on my knowledge, the financial statements, and other financial information included in
this Annual Report, fairly present in all material respects the financial condition, results
of operations and cash flows of the Company as of, and for, the periods presented in this
Annual Report.4.
    
    The Company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 the 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 Company, 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 Company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; andd.
    
    Disclosed in this report any change in the Companys internal
control over financial reporting that occurred during the period covered by the
annual report that has materially affected, or is reasonably likely to
materially affect the Companys internal control over financial reporting; and




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5.
    
    The Companys other certifying officer(s) and I have disclosed, based on our most recent
evaluation of internal control over financial reporting, to the Companys auditors and the
audit committee of the Company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 Companys ability to record, process,
summarize and report financial information; andb.
    
    Any fraud, whether or not material, that involves management or
other employees who have a significant role in the Companys internal control
over financial reporting.