CERTIFICATION
PURSUANT TO 17 CFR
240.13a-14
PROMULGATED UNDER
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, John J. Gallagher III, certify that:
1. I have reviewed this quarterly report on
Form 10-Q/A
of Celanese Corporation;
2. Based on my knowledge, this quarterly 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 quarterly
report;
3. Based on my knowledge, the financial statements, and
other financial information included in this quarterly 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 quarterly report;
4. The registrants 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))
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 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 quarterly
report is being prepared;
(b) [
Reserved
]
(c) evaluated the effectiveness of the registrants
disclosure controls and procedures and presented in this
quarterly 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
registrants internal control over financial reporting (as
defined in Exchange Act
Rules 13a-15(f)
and
15d-15(f))
that occurred during the registrants most recent fiscal
quarter (the registrants fourth fiscal quarter in the case
of an annual report) that has materially affected, or is
reasonably likely to materially affect, the registrants
internal control over financial reporting; and
5. The registrants other certifying officer and I
have disclosed, based on our most recent evaluation of internal
control over financial reporting, to the registrants
auditors and the audit committee of registrants 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
registrants 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
registrants internal control over financial reporting.
/s/ John
J. Gallagher III
John J. Gallagher III
Executive Vice President and Chief Financial Officer
(Principal Financial Officer)
Date: November 3, 2006
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