|
CERTIFICATIONS
PRINCIPAL EXECUTIVE OFFICER
I, S.P. Johnson, IV, certify that:
|
1.
|
I have reviewed this annual report on Form 10-K of Carrizo
Oil & Gas, Inc.;
|
|
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 registrant as
of, and for, the periods presented in this annual report;
|
|
4.
|
The registrant's other certifying officers and I are responsible
for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-14 and 15d-14) for the
registrant and we have:
a) designed such disclosure controls and procedures 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 annual report is being prepared;
b) evaluated the effectiveness of the registrant's disclosure
controls and procedures as of a date within 90 days prior
to the filing date of this annual report (the "Evaluation
Date"); and
c) presented in this annual report our conclusions about
the effectiveness of the disclosure controls and procedures
based on our evaluation as of the Evaluation Date;
|
|
5.
|
The registrant's other certifying officers and I have disclosed,
based on our most recent evaluation, to the registrant's auditors
and the audit committee of registrant's board of directors
(or persons fulfilling the equivalent function):
a) all significant deficiencies in the design or operation
of internal controls which could adversely affect the registrant's
ability to record, process, summarize and report financial
data and have identified for the registrant's auditors any
material weaknesses in internal controls; and
b) any fraud, whether or not material, that involves management
or other employees who have a significant role in the registrant's
internal controls; and
|
|
6.
|
The registrant's other certifying
officers and I have indicated in this annual report whether
or not there were significant changes in internal controls or
in other factors that could significantly affect internal controls
subsequent to the date of our most recent evaluation, including
any corrective actions with regard to significant deficiencies
and material weaknesses. |
| Date: March 31, 2003 |
/s/ S.P.
JOHNSON, IV
S.P. Johnson, IV,
President and Chief Executive Officer
|
F-28
|
