Exhibit 31.3
 CERTIFICATIONS
  1)
    
    I have reviewed this quarterly report on Form 10-Q of Bank of Commerce Holdings (the registrant);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)
    
    The registrants other certifying officer 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 registrant and we have:
 a.
    
    Designed such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervisions, 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 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 registrants internal control over financial reporting
that occurred during the registrants most recent fiscal 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 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
function):
 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/ Patrick J. MotyPatrick J. MotyPresident and Chief Executive Officer
(Principal Executive Officer)Dated: February 9, 2010