CERTIFICATION
  (1)
    
    I have reviewed this quarterly report on Form 10-Q of CytoCore, Inc.;(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 periods presented in this
report;(4)
    
    I am 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 registrant and
have:a.
    
    designed such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under my supervision, to ensure that material information relating
to the registrant, including its consolidated subsidiaries, is made known to me by others
within those entities, particularly during the period in which this report is being prepared;b.
    
    designed such internal controls over financial reporting, or caused such internal controls
over financial reporting to be designed under my 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 my 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 registrants internal control over financial
reporting that occurred during the registrants most recent fiscal quarter (the registrants
fourth fiscal quarter in the case of an annual report) that has materially affected, or is
reasonably likely to materially affect, the registrants internal control over financial
reporting; and(5)
    
    I have disclosed, based on my 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; andb.
    
    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/ Robert F. McCullough Jr.Robert F. McCullough Jr.Chief Executive Officer and
Chief Financial OfficerDated:  May 24, 2010